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Seattle → Pittsburgh

Dec 21, 2026 · one way

SEA → PIT1 adulteconomyOne way

7 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 · One way

Alaska Airlines
1:01 pmSEA
4h 29m
Nonstop
8:30 pmPIT

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

Southwest Airlines
6:30 amSEA
6h 35m
MDW · 1h 15m
4:05 pmPIT

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
1:02 pmSEA
7h 1m
DEN · 1h 10m
11:03 pmPIT

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
8:30 amSEA
7h
MSP · 1h 22m
6:30 pmPIT

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
1:55 pmSEA
6h 50m
DEN · 1h 20m
11:45 pmPIT

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
11:44 pmSEA
7h 8m
ORD · 1h 12m
9:52 am+1PIT

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Alaska Airlines
11:40 pmSEA
6h 57m
ORD · 1h 17m
9:37 am+1PIT

One-way total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ PIT

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)
2026-12-21 · one wayAlaska AirlinesAS395$287.002026-10-29T01:16:04Z
2026-12-21 · one waySouthwest AirlinesWN1550 + WN2996$252.002026-10-29T01:16:04Z
2026-12-21 · one wayUnited AirlinesUA1411 + UA2275$266.002026-10-29T01:16:04Z
2026-12-21 · one wayDelta Air LinesDL536 + DL3711$273.002026-10-29T01:16:04Z
2026-12-21 · one waySouthwest AirlinesWN3823 + WN1763$252.002026-10-29T01:16:04Z
2026-12-21 · one wayUnited AirlinesUA2159 + UA4192$266.002026-10-29T01:16:04Z
2026-12-21 · one wayAlaska AirlinesAS328 + AA4757$266.002026-10-29T01:16:04Z

2026-12-21 · one way · $287.00

  • Alaska Airlines AS395: SEA 2026-12-21 13:01:00 → PIT 2026-12-21 20:30:00; nonstop; 269 minutes. Local airport times.

2026-12-21 · one way · $252.00

  • Southwest Airlines WN1550 / WN2996: SEA 2026-12-21 06:30:00 → PIT 2026-12-21 16:05:00; 1 stop(s) via MDW; 395 minutes. Local airport times.
    • WN1550: SEA 2026-12-21 06:30:00 → MDW 2026-12-21 12:25:00; layover at MDW: 75 minutes.
    • WN2996: MDW 2026-12-21 13:40:00 → PIT 2026-12-21 16:05:00.

2026-12-21 · one way · $266.00

  • United Airlines UA1411 / UA2275: SEA 2026-12-21 13:02:00 → PIT 2026-12-21 23:03:00; 1 stop(s) via DEN; 421 minutes. Local airport times.
    • UA1411: SEA 2026-12-21 13:02:00 → DEN 2026-12-21 16:45:00; layover at DEN: 70 minutes.
    • UA2275: DEN 2026-12-21 17:55:00 → PIT 2026-12-21 23:03:00.

2026-12-21 · one way · $273.00

  • Delta Air Lines DL536 / DL3711: SEA 2026-12-21 08:30:00 → PIT 2026-12-21 18:30:00; 1 stop(s) via MSP; 420 minutes. Local airport times.
    • DL536: SEA 2026-12-21 08:30:00 → MSP 2026-12-21 13:48:00; layover at MSP: 82 minutes.
    • DL3711: MSP 2026-12-21 15:10:00 → PIT 2026-12-21 18:30:00.

2026-12-21 · one way · $252.00

  • Southwest Airlines WN3823 / WN1763: SEA 2026-12-21 13:55:00 → PIT 2026-12-21 23:45:00; 1 stop(s) via DEN; 410 minutes. Local airport times.
    • WN3823: SEA 2026-12-21 13:55:00 → DEN 2026-12-21 17:30:00; layover at DEN: 80 minutes.
    • WN1763: DEN 2026-12-21 18:50:00 → PIT 2026-12-21 23:45:00.

2026-12-21 · one way · $266.00

  • United Airlines UA2159 / UA4192: SEA 2026-12-21 23:44:00 → PIT 2026-12-22 09:52:00; 1 stop(s) via ORD; 428 minutes. Local airport times.
    • UA2159: SEA 2026-12-21 23:44:00 → ORD 2026-12-22 05:58:00; layover at ORD: 72 minutes.
    • UA4192: ORD 2026-12-22 07:10:00 → PIT 2026-12-22 09:52:00.

2026-12-21 · one way · $266.00

  • Alaska Airlines AS328 / AA4757: SEA 2026-12-21 23:40:00 → PIT 2026-12-22 09:37:00; 1 stop(s) via ORD; 417 minutes. Local airport times.
    • AS328: SEA 2026-12-21 23:40:00 → ORD 2026-12-22 05:37:00; layover at ORD: 77 minutes.
    • AA4757: ORD 2026-12-22 06:54:00 → PIT 2026-12-22 09:37:00.

More dates for this route