Travel with Axel,
get the best price.

Pittsburgh → Seattle

Dec 21, 2026 · one way

PIT → SEA1 adulteconomyOne way

7 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

American Airlines
4:03 pmPIT
8h 43m
ORD · 1h 53m
9:46 pmSEA

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Delta Air Lines
10:31 amPIT
7h 24m
DTW · 1h 9m
2:55 pmSEA

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
8:25 amPIT
7h 50m
MDW · 1h 35m
1:15 pmSEA

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

American Airlines
6:00 amPIT
8h 37m
CLT · 1h
11:37 amSEA

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

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

One-way 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.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Alaska Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

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 AirlinesAS394$322.002026-10-29T01:57:13Z
2026-12-21 · one waySouthwest AirlinesWN1529 + WN3141$280.002026-10-29T01:57:13Z
2026-12-21 · one wayAmerican AirlinesAA3239 + AS262$294.002026-10-29T01:57:13Z
2026-12-21 · one wayDelta Air LinesDL5738 + DL728$315.002026-10-29T01:57:13Z
2026-12-21 · one waySouthwest AirlinesWN2313 + WN1597$280.002026-10-29T01:57:13Z
2026-12-21 · one wayAmerican AirlinesAA2329 + AA580$294.002026-10-29T01:57:13Z
2026-12-21 · one wayDelta Air LinesDL5474 + DL881$315.002026-10-29T01:57:13Z

2026-12-21 · one way · $322.00

  • Alaska Airlines AS394: PIT 2026-12-21 08:08:00 → SEA 2026-12-21 10:32:00; nonstop; 324 minutes. Local airport times.

2026-12-21 · one way · $280.00

  • Southwest Airlines WN1529 / WN3141: PIT 2026-12-21 17:40:00 → SEA 2026-12-21 22:50:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN1529: PIT 2026-12-21 17:40:00 → DEN 2026-12-21 19:15:00; layover at DEN: 85 minutes.
    • WN3141: DEN 2026-12-21 20:40:00 → SEA 2026-12-21 22:50:00.

2026-12-21 · one way · $294.00

  • American Airlines AA3239 / AS262: PIT 2026-12-21 16:03:00 → SEA 2026-12-21 21:46:00; 1 stop(s) via ORD; 523 minutes. Local airport times.
    • AA3239: PIT 2026-12-21 16:03:00 → ORD 2026-12-21 16:54:00; layover at ORD: 113 minutes.
    • AS262: ORD 2026-12-21 18:47:00 → SEA 2026-12-21 21:46:00.

2026-12-21 · one way · $315.00

  • Delta Air Lines DL5738 / DL728: PIT 2026-12-21 10:31:00 → SEA 2026-12-21 14:55:00; 1 stop(s) via DTW; 444 minutes. Local airport times.
    • DL5738: PIT 2026-12-21 10:31:00 → DTW 2026-12-21 11:44:00; layover at DTW: 69 minutes.
    • DL728: DTW 2026-12-21 12:53:00 → SEA 2026-12-21 14:55:00.

2026-12-21 · one way · $280.00

  • Southwest Airlines WN2313 / WN1597: PIT 2026-12-21 08:25:00 → SEA 2026-12-21 13:15:00; 1 stop(s) via MDW; 470 minutes. Local airport times.
    • WN2313: PIT 2026-12-21 08:25:00 → MDW 2026-12-21 09:00:00; layover at MDW: 95 minutes.
    • WN1597: MDW 2026-12-21 10:35:00 → SEA 2026-12-21 13:15:00.

2026-12-21 · one way · $294.00

  • American Airlines AA2329 / AA580: PIT 2026-12-21 06:00:00 → SEA 2026-12-21 11:37:00; 1 stop(s) via CLT; 517 minutes. Local airport times.
    • AA2329: PIT 2026-12-21 06:00:00 → CLT 2026-12-21 07:39:00; layover at CLT: 60 minutes.
    • AA580: CLT 2026-12-21 08:39:00 → SEA 2026-12-21 11:37:00.

2026-12-21 · one way · $315.00

  • Delta Air Lines DL5474 / DL881: PIT 2026-12-21 15:59:00 → SEA 2026-12-21 20:49:00; 1 stop(s) via MSP; 470 minutes. Local airport times.
    • DL5474: PIT 2026-12-21 15:59:00 → MSP 2026-12-21 17:19:00; layover at MSP: 87 minutes.
    • DL881: MSP 2026-12-21 18:46:00 → SEA 2026-12-21 20:49:00.

More dates for this route