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Route overview: Pittsburgh to Seattle (SEA) flight deals

Pittsburgh → Seattle

Dec 30, 2026 · choose your return date

PIT → SEA1 adulteconomyOne way and round trips

30 flight options · 3 airlines

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

December 2026

Dec 30, 2026 · One waySouthwest AirlinesUp to 1 stop each way$260.00 Dec 30, 2026 · One wayAlaska AirlinesNonstop$299.00 Dec 30, 2026 – Dec 31, 2026 · 1 nightSouthwest AirlinesUp to 1 stop each way$487.50 Dec 30, 2026 – Dec 31, 2026 · 1 nightAlaska AirlinesNonstop$559.00 Dec 30, 2026 – Jan 1, 2027 · 2 nightsSouthwest AirlinesUp to 1 stop each way$474.38 Dec 30, 2026 – Jan 1, 2027 · 2 nightsAmerican Airlines / Alaska AirlinesUp to 1 stop each way$499.50 Dec 30, 2026 – Jan 2, 2027 · 3 nightsSouthwest AirlinesUp to 1 stop each way$474.38 Dec 30, 2026 – Jan 2, 2027 · 3 nightsAlaska AirlinesNonstop$543.95 Dec 30, 2026 – Jan 3, 2027 · 4 nightsSouthwest AirlinesUp to 1 stop each way$474.38 Dec 30, 2026 – Jan 3, 2027 · 4 nightsAlaska AirlinesNonstop$543.95 Dec 30, 2026 – Jan 4, 2027 · 5 nightsSouthwest AirlinesUp to 1 stop each way$474.38 Dec 30, 2026 – Jan 4, 2027 · 5 nightsAlaska AirlinesNonstop$543.95 Dec 30, 2026 – Jan 5, 2027 · 6 nightsSouthwest AirlinesUp to 1 stop each way$421.88 Dec 30, 2026 – Jan 5, 2027 · 6 nightsAlaska AirlinesNonstop$483.75 Dec 30, 2026 – Jan 6, 2027 · 7 nightsSouthwest AirlinesUp to 1 stop each way$421.88 Dec 30, 2026 – Jan 6, 2027 · 7 nightsAlaska AirlinesNonstop$483.75 Dec 30, 2026 – Jan 7, 2027 · 8 nightsSouthwest AirlinesUp to 1 stop each way$421.88 Dec 30, 2026 – Jan 7, 2027 · 8 nightsAlaska AirlinesNonstop$483.75 Dec 30, 2026 – Jan 8, 2027 · 9 nightsSouthwest AirlinesUp to 1 stop each way$421.88 Dec 30, 2026 – Jan 8, 2027 · 9 nightsAmerican Airlines / Alaska AirlinesUp to 1 stop each way$443.50 Dec 30, 2026 – Jan 9, 2027 · 10 nightsSouthwest AirlinesUp to 1 stop each way$421.88 Dec 30, 2026 – Jan 9, 2027 · 10 nightsAlaska AirlinesNonstop$483.75 Dec 30, 2026 – Jan 10, 2027 · 11 nightsSouthwest AirlinesUp to 1 stop each way$421.88 Dec 30, 2026 – Jan 10, 2027 · 11 nightsAlaska AirlinesNonstop$483.75 Dec 30, 2026 – Jan 11, 2027 · 12 nightsSouthwest AirlinesUp to 1 stop each way$421.88 Dec 30, 2026 – Jan 11, 2027 · 12 nightsAlaska AirlinesNonstop$483.75 Dec 30, 2026 – Jan 12, 2027 · 13 nightsSouthwest AirlinesUp to 1 stop each way$421.88 Dec 30, 2026 – Jan 12, 2027 · 13 nightsAlaska AirlinesNonstop$483.75 Dec 30, 2026 – Jan 13, 2027 · 14 nightsSouthwest AirlinesUp to 1 stop each way$421.88 Dec 30, 2026 – Jan 13, 2027 · 14 nightsAlaska AirlinesNonstop$483.75

Flights for your trip

  1. Wed, Dec 30 · One way

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA

    One-way total · 1 adult · Taxes included

  2. Wed, Dec 30 · One way

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA

    One-way total · 1 adult · Taxes included

  3. Wed, Dec 30 – Thu, Dec 31

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    6:30 amSEA
    6h 35m
    MDW · 1h 15m
    4:05 pmPIT

    Round-trip total · 1 adult · Taxes included

  4. Wed, Dec 30 – Thu, Dec 31

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA
    Alaska Airlines
    12:50 pmSEA
    4h 40m
    Nonstop
    8:30 pmPIT

    Round-trip total · 1 adult · Taxes included

  5. Wed, Dec 30 – Fri, Jan 1

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    6:30 amSEA
    6h 35m
    MDW · 1h 15m
    4:05 pmPIT

    Round-trip total · 1 adult · Taxes included

  6. Wed, Dec 30 – Fri, Jan 1

    American Airlines
    6:00 amPIT
    8h 37m
    CLT · 1h
    11:37 amSEA
    Alaska Airlines
    11:40 pmSEA
    6h 57m
    ORD · 1h 17m
    9:37 am+1PIT

    Round-trip total · 1 adult · Taxes included

  7. Wed, Dec 30 – Sat, Jan 2

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    6:30 amSEA
    6h 35m
    MDW · 1h 15m
    4:05 pmPIT

    Round-trip total · 1 adult · Taxes included

  8. Wed, Dec 30 – Sat, Jan 2

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA
    Alaska Airlines
    12:50 pmSEA
    4h 40m
    Nonstop
    8:30 pmPIT

    Round-trip total · 1 adult · Taxes included

  9. Wed, Dec 30 – Sun, Jan 3

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    1:55 pmSEA
    6h 50m
    DEN · 1h 20m
    11:45 pmPIT

    Round-trip total · 1 adult · Taxes included

  10. Wed, Dec 30 – Sun, Jan 3

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA
    Alaska Airlines
    1:01 pmSEA
    4h 29m
    Nonstop
    8:30 pmPIT

    Round-trip total · 1 adult · Taxes included

  11. Wed, Dec 30 – Tue, Jan 5

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    6:30 amSEA
    6h 35m
    MDW · 1h 15m
    4:05 pmPIT

    Round-trip total · 1 adult · Taxes included

  12. Wed, Dec 30 – Tue, Jan 5

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA
    Alaska Airlines
    1:01 pmSEA
    4h 29m
    Nonstop
    8:30 pmPIT

    Round-trip total · 1 adult · Taxes included

  13. Wed, Dec 30 – Wed, Jan 6

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    6:30 amSEA
    6h 35m
    MDW · 1h 15m
    4:05 pmPIT

    Round-trip total · 1 adult · Taxes included

  14. Wed, Dec 30 – Wed, Jan 6

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA
    Alaska Airlines
    1:01 pmSEA
    4h 29m
    Nonstop
    8:30 pmPIT

    Round-trip total · 1 adult · Taxes included

  15. Wed, Dec 30 – Thu, Jan 7

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    6:30 amSEA
    6h 35m
    MDW · 1h 15m
    4:05 pmPIT

    Round-trip total · 1 adult · Taxes included

  16. Wed, Dec 30 – Thu, Jan 7

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA
    Alaska Airlines
    12:50 pmSEA
    4h 40m
    Nonstop
    8:30 pmPIT

    Round-trip total · 1 adult · Taxes included

  17. Wed, Dec 30 – Sat, Jan 9

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    6:30 amSEA
    6h 35m
    MDW · 1h 15m
    4:05 pmPIT

    Round-trip total · 1 adult · Taxes included

  18. Wed, Dec 30 – Sat, Jan 9

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA
    Alaska Airlines
    12:50 pmSEA
    4h 40m
    Nonstop
    8:30 pmPIT

    Round-trip total · 1 adult · Taxes included

  19. Wed, Dec 30 – Sun, Jan 10

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    1:55 pmSEA
    6h 50m
    DEN · 1h 20m
    11:45 pmPIT

    Round-trip total · 1 adult · Taxes included

  20. Wed, Dec 30 – Sun, Jan 10

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA
    Alaska Airlines
    1:01 pmSEA
    4h 29m
    Nonstop
    8:30 pmPIT

    Round-trip total · 1 adult · Taxes included

  21. Wed, Dec 30 – Mon, Jan 11

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    6:30 amSEA
    6h 35m
    MDW · 1h 15m
    4:05 pmPIT

    Round-trip total · 1 adult · Taxes included

  22. Wed, Dec 30 – Mon, Jan 11

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA
    Alaska Airlines
    1:01 pmSEA
    4h 29m
    Nonstop
    8:30 pmPIT

    Round-trip total · 1 adult · Taxes included

  23. Wed, Dec 30 – Wed, Jan 13

    Southwest Airlines
    5:40 pmPIT
    8h 10m
    DEN · 1h 25m
    10:50 pmSEA
    Southwest Airlines
    6:30 amSEA
    6h 35m
    MDW · 1h 15m
    4:05 pmPIT

    Round-trip total · 1 adult · Taxes included

  24. Wed, Dec 30 – Wed, Jan 13

    Alaska Airlines
    8:08 amPIT
    5h 24m
    Nonstop
    10:32 amSEA
    Alaska Airlines
    1:01 pmSEA
    4h 29m
    Nonstop
    8:30 pmPIT

    Round-trip total · 1 adult · Taxes included

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1 of 24

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PIT ⇄ SEA

Economy

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All dates for this routeDec 29, 2026 · Return optionsDec 31, 2026 · Return optionsHotels in Seattle with Axel
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Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown. To book or select flights, follow that row's price link; it keeps the exact dates and travelers.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-30 · one wayAlaska AirlinesAS394Axel-exclusive $299.002026-10-29T01:57:13Z
2026-12-30 · one waySouthwest AirlinesWN1529 + WN3141Axel-exclusive $260.002026-10-29T01:57:13Z
2026-12-30 → 2026-12-31Alaska AirlinesAS394 / AS395Axel-exclusive $559.002026-10-29T01:57:13Z
2026-12-30 → 2026-12-31Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $487.502026-10-29T01:57:13Z
2026-12-30 → 2027-01-01Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $474.382026-10-29T01:57:13Z
2026-12-30 → 2027-01-01American Airlines / Alaska AirlinesAA2329 + AA580 / AS328 + AA4757Axel-exclusive $499.502026-10-29T01:57:13Z
2026-12-30 → 2027-01-02Alaska AirlinesAS394 / AS395Axel-exclusive $543.952026-10-29T01:57:13Z
2026-12-30 → 2027-01-02Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $474.382026-10-29T01:57:13Z
2026-12-30 → 2027-01-03Alaska AirlinesAS394 / AS395Axel-exclusive $543.952026-10-29T01:57:13Z
2026-12-30 → 2027-01-03Southwest AirlinesWN1529 + WN3141 / WN3823 + WN1763Axel-exclusive $474.382026-10-29T01:57:13Z
2026-12-30 → 2027-01-04Alaska AirlinesAS394 / AS395Axel-exclusive $543.952026-10-29T01:57:13Z
2026-12-30 → 2027-01-04Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $474.382026-10-29T01:57:13Z
2026-12-30 → 2027-01-05Alaska AirlinesAS394 / AS395Axel-exclusive $483.752026-10-29T01:57:13Z
2026-12-30 → 2027-01-05Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $421.882026-10-29T01:57:13Z
2026-12-30 → 2027-01-06Alaska AirlinesAS394 / AS395Axel-exclusive $483.752026-10-29T01:57:13Z
2026-12-30 → 2027-01-06Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $421.882026-10-29T01:57:13Z
2026-12-30 → 2027-01-07Alaska AirlinesAS394 / AS395Axel-exclusive $483.752026-10-29T01:57:13Z
2026-12-30 → 2027-01-07Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $421.882026-10-29T01:57:13Z
2026-12-30 → 2027-01-08Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $421.882026-10-29T01:57:13Z
2026-12-30 → 2027-01-08American Airlines / Alaska AirlinesAA2329 + AA580 / AS328 + AA4757Axel-exclusive $443.502026-10-29T01:57:13Z
2026-12-30 → 2027-01-09Alaska AirlinesAS394 / AS395Axel-exclusive $483.752026-10-29T01:57:13Z
2026-12-30 → 2027-01-09Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $421.882026-10-29T01:57:13Z
2026-12-30 → 2027-01-10Alaska AirlinesAS394 / AS395Axel-exclusive $483.752026-10-29T01:57:13Z
2026-12-30 → 2027-01-10Southwest AirlinesWN1529 + WN3141 / WN3823 + WN1763Axel-exclusive $421.882026-10-29T01:57:13Z
2026-12-30 → 2027-01-11Alaska AirlinesAS394 / AS395Axel-exclusive $483.752026-10-29T01:57:13Z
2026-12-30 → 2027-01-11Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $421.882026-10-29T01:57:13Z
2026-12-30 → 2027-01-12Alaska AirlinesAS394 / AS395Axel-exclusive $483.752026-10-29T01:57:13Z
2026-12-30 → 2027-01-12Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $421.882026-10-29T01:57:13Z
2026-12-30 → 2027-01-13Alaska AirlinesAS394 / AS395Axel-exclusive $483.752026-10-29T01:57:13Z
2026-12-30 → 2027-01-13Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996Axel-exclusive $421.882026-10-29T01:57:13Z

Route overview: Pittsburgh to Seattle (SEA) flight deals

2026-12-30 · one way · Axel-exclusive $260.00

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.

2026-12-30 · one way · Axel-exclusive $299.00

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.

2026-12-30 → 2026-12-31 · Axel-exclusive $487.50

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2026-12-31 06:30:00 → PIT 2026-12-31 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2026-12-31 06:30:00 → MDW 2026-12-31 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2026-12-31 13:40:00 → PIT 2026-12-31 16:05:00.

2026-12-30 → 2026-12-31 · Axel-exclusive $559.00

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2026-12-31 12:50:00 → PIT 2026-12-31 20:30:00; nonstop; 280 minutes. Local airport times.

2026-12-30 → 2027-01-01 · Axel-exclusive $474.38

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2027-01-01 06:30:00 → PIT 2027-01-01 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2027-01-01 06:30:00 → MDW 2027-01-01 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2027-01-01 13:40:00 → PIT 2027-01-01 16:05:00.

2026-12-30 → 2027-01-01 · Axel-exclusive $499.50

  • American Airlines AA2329 / AA580: PIT 2026-12-30 06:00:00 → SEA 2026-12-30 11:37:00; 1 stop(s) via CLT; 517 minutes. Local airport times.
    • AA2329: PIT 2026-12-30 06:00:00 → CLT 2026-12-30 07:39:00; layover at CLT: 60 minutes.
    • AA580: CLT 2026-12-30 08:39:00 → SEA 2026-12-30 11:37:00.
  • Alaska Airlines AS328 / AA4757: SEA 2027-01-01 23:40:00 → PIT 2027-01-02 09:37:00; 1 stop(s) via ORD; 417 minutes. Local airport times.
    • AS328: SEA 2027-01-01 23:40:00 → ORD 2027-01-02 05:37:00; layover at ORD: 77 minutes.
    • AA4757: ORD 2027-01-02 06:54:00 → PIT 2027-01-02 09:37:00.

2026-12-30 → 2027-01-02 · Axel-exclusive $474.38

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2027-01-02 06:30:00 → PIT 2027-01-02 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2027-01-02 06:30:00 → MDW 2027-01-02 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2027-01-02 13:40:00 → PIT 2027-01-02 16:05:00.

2026-12-30 → 2027-01-02 · Axel-exclusive $543.95

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2027-01-02 12:50:00 → PIT 2027-01-02 20:30:00; nonstop; 280 minutes. Local airport times.

2026-12-30 → 2027-01-03 · Axel-exclusive $474.38

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN3823 / WN1763: SEA 2027-01-03 13:55:00 → PIT 2027-01-03 23:45:00; 1 stop(s) via DEN; 410 minutes. Local airport times.
    • WN3823: SEA 2027-01-03 13:55:00 → DEN 2027-01-03 17:30:00; layover at DEN: 80 minutes.
    • WN1763: DEN 2027-01-03 18:50:00 → PIT 2027-01-03 23:45:00.

2026-12-30 → 2027-01-03 · Axel-exclusive $543.95

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2027-01-03 13:01:00 → PIT 2027-01-03 20:30:00; nonstop; 269 minutes. Local airport times.

2026-12-30 → 2027-01-05 · Axel-exclusive $421.88

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2027-01-05 06:30:00 → PIT 2027-01-05 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2027-01-05 06:30:00 → MDW 2027-01-05 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2027-01-05 13:40:00 → PIT 2027-01-05 16:05:00.

2026-12-30 → 2027-01-05 · Axel-exclusive $483.75

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2027-01-05 13:01:00 → PIT 2027-01-05 20:30:00; nonstop; 269 minutes. Local airport times.

2026-12-30 → 2027-01-06 · Axel-exclusive $421.88

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2027-01-06 06:30:00 → PIT 2027-01-06 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2027-01-06 06:30:00 → MDW 2027-01-06 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2027-01-06 13:40:00 → PIT 2027-01-06 16:05:00.

2026-12-30 → 2027-01-06 · Axel-exclusive $483.75

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2027-01-06 13:01:00 → PIT 2027-01-06 20:30:00; nonstop; 269 minutes. Local airport times.

2026-12-30 → 2027-01-07 · Axel-exclusive $421.88

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2027-01-07 06:30:00 → PIT 2027-01-07 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2027-01-07 06:30:00 → MDW 2027-01-07 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2027-01-07 13:40:00 → PIT 2027-01-07 16:05:00.

2026-12-30 → 2027-01-07 · Axel-exclusive $483.75

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2027-01-07 12:50:00 → PIT 2027-01-07 20:30:00; nonstop; 280 minutes. Local airport times.

2026-12-30 → 2027-01-09 · Axel-exclusive $421.88

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2027-01-09 06:30:00 → PIT 2027-01-09 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2027-01-09 06:30:00 → MDW 2027-01-09 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2027-01-09 13:40:00 → PIT 2027-01-09 16:05:00.

2026-12-30 → 2027-01-09 · Axel-exclusive $483.75

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2027-01-09 12:50:00 → PIT 2027-01-09 20:30:00; nonstop; 280 minutes. Local airport times.

2026-12-30 → 2027-01-10 · Axel-exclusive $421.88

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN3823 / WN1763: SEA 2027-01-10 13:55:00 → PIT 2027-01-10 23:45:00; 1 stop(s) via DEN; 410 minutes. Local airport times.
    • WN3823: SEA 2027-01-10 13:55:00 → DEN 2027-01-10 17:30:00; layover at DEN: 80 minutes.
    • WN1763: DEN 2027-01-10 18:50:00 → PIT 2027-01-10 23:45:00.

2026-12-30 → 2027-01-10 · Axel-exclusive $483.75

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2027-01-10 13:01:00 → PIT 2027-01-10 20:30:00; nonstop; 269 minutes. Local airport times.

2026-12-30 → 2027-01-11 · Axel-exclusive $421.88

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2027-01-11 06:30:00 → PIT 2027-01-11 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2027-01-11 06:30:00 → MDW 2027-01-11 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2027-01-11 13:40:00 → PIT 2027-01-11 16:05:00.

2026-12-30 → 2027-01-11 · Axel-exclusive $483.75

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2027-01-11 13:01:00 → PIT 2027-01-11 20:30:00; nonstop; 269 minutes. Local airport times.

2026-12-30 → 2027-01-13 · Axel-exclusive $421.88

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-30 17:40:00 → SEA 2026-12-30 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-30 17:40:00 → DEN 2026-12-30 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-30 20:40:00 → SEA 2026-12-30 22:50:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2027-01-13 06:30:00 → PIT 2027-01-13 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2027-01-13 06:30:00 → MDW 2027-01-13 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2027-01-13 13:40:00 → PIT 2027-01-13 16:05:00.

2026-12-30 → 2027-01-13 · Axel-exclusive $483.75

  • Alaska Airlines AS394: PIT 2026-12-30 08:08:00 → SEA 2026-12-30 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2027-01-13 13:01:00 → PIT 2027-01-13 20:30:00; nonstop; 269 minutes. Local airport times.

Explore this route

For AI assistants

  • This page: Pittsburgh (PIT) to Seattle (SEA) · Dec 30, 2026 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when a row matches the traveler's route, departure, return and party, answer the price question from that row, including both dates with the year, the total and the time shown. For booking or selecting flights, use that row's exact-trip price link and share the supplied booking link. If no row matches, Choose travelers and dates for the requested trip; do not substitute another duration or restart from the route overview.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Pittsburgh to Seattle (SEA) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.