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Pittsburgh → Seattle

Dec 13, 2026 · return Dec 18, 2026

PIT → SEA1 adulteconomyRound trip

7 flight options · 4 airlines

Nonstop flights

Sun, Dec 13 – Fri, Dec 18

Alaska Airlines
8:00 amPIT
5h 40m
Nonstop
10:40 amSEA
Alaska Airlines
1:01 pmSEA
4h 29m
Nonstop
8:30 pmPIT

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 13 – Fri, Dec 18

Southwest Airlines
8:25 amPIT
7h 50m
MDW · 1h 35m
1:15 pmSEA
Southwest Airlines
6:30 amSEA
6h 35m
MDW · 1h 15m
4:05 pmPIT

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Fri, Dec 18

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

Sun, Dec 13 – Fri, Dec 18

Delta Air Lines
10:31 amPIT
7h 24m
DTW · 1h 9m
2:55 pmSEA
Delta Air Lines
8:30 amSEA
7h
MSP · 1h 22m
6:30 pmPIT

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Fri, Dec 18

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

Sun, Dec 13 – Fri, Dec 18

Alaska Airlines
8:08 amPIT
5h 24m
Nonstop
10:32 amSEA
Alaska Airlines
11:40 pmSEA
6h 57m
ORD · 1h 17m
9:37 am+1PIT

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Fri, Dec 18

Delta Air Lines
3:59 pmPIT
7h 50m
MSP · 1h 27m
8:49 pmSEA
Delta Air Lines
8:30 amSEA
7h
MSP · 1h 22m
6:30 pmPIT

Round-trip total · 1 adult · Taxes included

Make this trip yours

PIT ⇄ SEA

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-13 → 2026-12-18Alaska AirlinesAS394 / AS395$516.002026-10-29T01:57:13Z
2026-12-13 → 2026-12-18Southwest AirlinesWN2313 + WN1597 / WN1550 + WN2996$450.002026-10-29T01:57:13Z
2026-12-13 → 2026-12-18American Airlines / Alaska AirlinesAA2329 + AA580 / AS328 + AA4757$475.002026-10-29T01:57:13Z
2026-12-13 → 2026-12-18Delta Air LinesDL5738 + DL728 / DL536 + DL3711$504.002026-10-29T01:57:13Z
2026-12-13 → 2026-12-18Southwest AirlinesWN1529 + WN3141 / WN1550 + WN2996$450.002026-10-29T01:57:13Z
2026-12-13 → 2026-12-18Alaska AirlinesAS394 / AS328 + AA4757$495.002026-10-29T01:57:13Z
2026-12-13 → 2026-12-18Delta Air LinesDL5474 + DL881 / DL536 + DL3711$504.002026-10-29T01:57:13Z

2026-12-13 → 2026-12-18 · $516.00

  • Alaska Airlines AS394: PIT 2026-12-13 08:00:00 → SEA 2026-12-13 10:40:00; nonstop; 340 minutes. Local airport times.
  • Alaska Airlines AS395: SEA 2026-12-18 13:01:00 → PIT 2026-12-18 20:30:00; nonstop; 269 minutes. Local airport times.

2026-12-13 → 2026-12-18 · $450.00

  • Southwest Airlines WN2313 / WN1597: PIT 2026-12-13 08:25:00 → SEA 2026-12-13 13:15:00; 1 stop(s) via MDW; 470 minutes. Local airport times.
    • WN2313: PIT 2026-12-13 08:25:00 → MDW 2026-12-13 09:00:00; layover at MDW: 95 minutes.
    • WN1597: MDW 2026-12-13 10:35:00 → SEA 2026-12-13 13:15:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2026-12-18 06:30:00 → PIT 2026-12-18 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2026-12-18 06:30:00 → MDW 2026-12-18 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2026-12-18 13:40:00 → PIT 2026-12-18 16:05:00.

2026-12-13 → 2026-12-18 · $475.00

  • American Airlines AA2329 / AA580: PIT 2026-12-13 06:00:00 → SEA 2026-12-13 11:37:00; 1 stop(s) via CLT; 517 minutes. Local airport times.
    • AA2329: PIT 2026-12-13 06:00:00 → CLT 2026-12-13 07:39:00; layover at CLT: 60 minutes.
    • AA580: CLT 2026-12-13 08:39:00 → SEA 2026-12-13 11:37:00.
  • Alaska Airlines AS328 / AA4757: SEA 2026-12-18 23:40:00 → PIT 2026-12-19 09:37:00; 1 stop(s) via ORD; 417 minutes. Local airport times.
    • AS328: SEA 2026-12-18 23:40:00 → ORD 2026-12-19 05:37:00; layover at ORD: 77 minutes.
    • AA4757: ORD 2026-12-19 06:54:00 → PIT 2026-12-19 09:37:00.

2026-12-13 → 2026-12-18 · $504.00

  • Delta Air Lines DL5738 / DL728: PIT 2026-12-13 10:31:00 → SEA 2026-12-13 14:55:00; 1 stop(s) via DTW; 444 minutes. Local airport times.
    • DL5738: PIT 2026-12-13 10:31:00 → DTW 2026-12-13 11:44:00; layover at DTW: 69 minutes.
    • DL728: DTW 2026-12-13 12:53:00 → SEA 2026-12-13 14:55:00.
  • Delta Air Lines DL536 / DL3711: SEA 2026-12-18 08:30:00 → PIT 2026-12-18 18:30:00; 1 stop(s) via MSP; 420 minutes. Local airport times.
    • DL536: SEA 2026-12-18 08:30:00 → MSP 2026-12-18 13:48:00; layover at MSP: 82 minutes.
    • DL3711: MSP 2026-12-18 15:10:00 → PIT 2026-12-18 18:30:00.

2026-12-13 → 2026-12-18 · $450.00

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-13 17:40:00 → SEA 2026-12-13 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-13 17:40:00 → DEN 2026-12-13 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-13 20:40:00 → SEA 2026-12-13 22:50:00.
  • Southwest Airlines WN1550 / WN2996: SEA 2026-12-18 06:30:00 → PIT 2026-12-18 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2026-12-18 06:30:00 → MDW 2026-12-18 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2026-12-18 13:40:00 → PIT 2026-12-18 16:05:00.

2026-12-13 → 2026-12-18 · $495.00

  • Alaska Airlines AS394: PIT 2026-12-13 08:08:00 → SEA 2026-12-13 10:32:00; nonstop; 324 minutes. Local airport times.
  • Alaska Airlines AS328 / AA4757: SEA 2026-12-18 23:40:00 → PIT 2026-12-19 09:37:00; 1 stop(s) via ORD; 417 minutes. Local airport times.
    • AS328: SEA 2026-12-18 23:40:00 → ORD 2026-12-19 05:37:00; layover at ORD: 77 minutes.
    • AA4757: ORD 2026-12-19 06:54:00 → PIT 2026-12-19 09:37:00.

2026-12-13 → 2026-12-18 · $504.00

  • Delta Air Lines DL5474 / DL881: PIT 2026-12-13 15:59:00 → SEA 2026-12-13 20:49:00; 1 stop(s) via MSP; 470 minutes. Local airport times.
    • DL5474: PIT 2026-12-13 15:59:00 → MSP 2026-12-13 17:19:00; layover at MSP: 87 minutes.
    • DL881: MSP 2026-12-13 18:46:00 → SEA 2026-12-13 20:49:00.
  • Delta Air Lines DL536 / DL3711: SEA 2026-12-18 08:30:00 → PIT 2026-12-18 18:30:00; 1 stop(s) via MSP; 420 minutes. Local airport times.
    • DL536: SEA 2026-12-18 08:30:00 → MSP 2026-12-18 13:48:00; layover at MSP: 82 minutes.
    • DL3711: MSP 2026-12-18 15:10:00 → PIT 2026-12-18 18:30:00.

More dates for this route