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Seattle → Philadelphia

Dec 13, 2026 · return Dec 20, 2026

SEA → PHL1 adulteconomyRound trip

10 flight options · 4 airlines

Nonstop flights

Sun, Dec 13 – Sun, Dec 20

Alaska Airlines
9:35 pmSEA
5h 5m
Nonstop
5:40 am+1PHL
Alaska Airlines
7:02 amPHL
6h 6m
Nonstop
10:08 amSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

American Airlines
12:34 pmSEA
5h 1m
Nonstop
8:35 pmPHL
American Airlines
7:00 pmPHL
6h 38m
Nonstop
10:38 pmSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

Alaska Airlines
9:05 amSEA
5h 3m
Nonstop
5:08 pmPHL
Alaska Airlines
7:02 amPHL
6h 6m
Nonstop
10:08 amSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

American Airlines
9:15 amSEA
5h 7m
Nonstop
5:22 pmPHL
American Airlines
7:00 pmPHL
6h 38m
Nonstop
10:38 pmSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 13 – Sun, Dec 20

United Airlines
5:05 amSEA
7h 46m
DEN · 1h 33m
3:51 pmPHL
United Airlines
9:45 amPHL
8h 47m
ORD · 1h 25m
3:32 pmSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

Delta Air Lines
6:00 amSEA
7h 35m
DTW · 1h 47m
4:35 pmPHL
Delta Air Lines
5:34 amPHL
8h 8m
MSP · 1h 10m
10:42 amSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

Alaska Airlines
11:40 pmSEA
7h 10m
ORD · 1h 8m
9:50 am+1PHL
Alaska Airlines
7:02 amPHL
6h 6m
Nonstop
10:08 amSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

Delta Air Lines
10:40 pmSEA
7h 51m
ATL · 1h 18m
9:31 am+1PHL
Delta Air Lines
5:34 amPHL
8h 8m
MSP · 1h 10m
10:42 amSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

Delta Air Lines
1:50 pmSEA
7h 4m
MSP · 1h 9m
11:54 pmPHL
Delta Air Lines
5:34 amPHL
8h 8m
MSP · 1h 10m
10:42 amSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Dec 20

Delta Air Lines
9:38 pmSEA
5h 5m
Nonstop
5:43 am+1PHL
Delta Air Lines
5:34 amPHL
8h 8m
MSP · 1h 10m
10:42 amSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ PHL

Economy

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

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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 → 2026-12-20Alaska AirlinesAS371 / AS370$454.252026-10-29T01:16:02Z
2026-12-13 → 2026-12-20American AirlinesAA2203 / AA2500$471.502026-10-29T01:16:02Z
2026-12-13 → 2026-12-20United AirlinesUA1686 + UA225 / UA1811 + UA1660$431.252026-10-29T01:16:02Z
2026-12-13 → 2026-12-20Delta Air LinesDL812 + DL1391 / DL2791 + DL868$437.002026-10-29T01:16:02Z
2026-12-13 → 2026-12-20Alaska AirlinesAS442 / AS370$454.252026-10-29T01:16:02Z
2026-12-13 → 2026-12-20American AirlinesAA2882 / AA2500$471.502026-10-29T01:16:02Z
2026-12-13 → 2026-12-20Alaska AirlinesAS328 + AA970 / AS370$434.252026-10-29T01:16:02Z
2026-12-13 → 2026-12-20Delta Air LinesDL567 + DL1100 / DL2791 + DL868$437.002026-10-29T01:16:02Z
2026-12-13 → 2026-12-20Delta Air LinesDL942 + DL2703 / DL2791 + DL868$437.002026-10-29T01:16:02Z
2026-12-13 → 2026-12-20Delta Air LinesDL1114 / DL2791 + DL868$462.002026-10-29T01:16:02Z

2026-12-13 → 2026-12-20 · $454.25

  • Alaska Airlines AS371: SEA 2026-12-13 21:35:00 → PHL 2026-12-14 05:40:00; nonstop; 305 minutes. Local airport times.
  • Alaska Airlines AS370: PHL 2026-12-20 07:02:00 → SEA 2026-12-20 10:08:00; nonstop; 366 minutes. Local airport times.

2026-12-13 → 2026-12-20 · $471.50

  • American Airlines AA2203: SEA 2026-12-13 12:34:00 → PHL 2026-12-13 20:35:00; nonstop; 301 minutes. Local airport times.
  • American Airlines AA2500: PHL 2026-12-20 19:00:00 → SEA 2026-12-20 22:38:00; nonstop; 398 minutes. Local airport times.

2026-12-13 → 2026-12-20 · $431.25

  • United Airlines UA1686 / UA225: SEA 2026-12-13 05:05:00 → PHL 2026-12-13 15:51:00; 1 stop(s) via DEN; 466 minutes. Local airport times.
    • UA1686: SEA 2026-12-13 05:05:00 → DEN 2026-12-13 08:42:00; layover at DEN: 93 minutes.
    • UA225: DEN 2026-12-13 10:15:00 → PHL 2026-12-13 15:51:00.
  • United Airlines UA1811 / UA1660: PHL 2026-12-20 09:45:00 → SEA 2026-12-20 15:32:00; 1 stop(s) via ORD; 527 minutes. Local airport times.
    • UA1811: PHL 2026-12-20 09:45:00 → ORD 2026-12-20 11:20:00; layover at ORD: 85 minutes.
    • UA1660: ORD 2026-12-20 12:45:00 → SEA 2026-12-20 15:32:00.

2026-12-13 → 2026-12-20 · $437.00

  • Delta Air Lines DL812 / DL1391: SEA 2026-12-13 06:00:00 → PHL 2026-12-13 16:35:00; 1 stop(s) via DTW; 455 minutes. Local airport times.
    • DL812: SEA 2026-12-13 06:00:00 → DTW 2026-12-13 13:12:00; layover at DTW: 107 minutes.
    • DL1391: DTW 2026-12-13 14:59:00 → PHL 2026-12-13 16:35:00.
  • Delta Air Lines DL2791 / DL868: PHL 2026-12-20 05:34:00 → SEA 2026-12-20 10:42:00; 1 stop(s) via MSP; 488 minutes. Local airport times.
    • DL2791: PHL 2026-12-20 05:34:00 → MSP 2026-12-20 07:35:00; layover at MSP: 70 minutes.
    • DL868: MSP 2026-12-20 08:45:00 → SEA 2026-12-20 10:42:00.

2026-12-13 → 2026-12-20 · $454.25

  • Alaska Airlines AS442: SEA 2026-12-13 09:05:00 → PHL 2026-12-13 17:08:00; nonstop; 303 minutes. Local airport times.
  • Alaska Airlines AS370: PHL 2026-12-20 07:02:00 → SEA 2026-12-20 10:08:00; nonstop; 366 minutes. Local airport times.

2026-12-13 → 2026-12-20 · $471.50

  • American Airlines AA2882: SEA 2026-12-13 09:15:00 → PHL 2026-12-13 17:22:00; nonstop; 307 minutes. Local airport times.
  • American Airlines AA2500: PHL 2026-12-20 19:00:00 → SEA 2026-12-20 22:38:00; nonstop; 398 minutes. Local airport times.

2026-12-13 → 2026-12-20 · $434.25

  • Alaska Airlines AS328 / AA970: SEA 2026-12-13 23:40:00 → PHL 2026-12-14 09:50:00; 1 stop(s) via ORD; 430 minutes. Local airport times.
    • AS328: SEA 2026-12-13 23:40:00 → ORD 2026-12-14 05:37:00; layover at ORD: 68 minutes.
    • AA970: ORD 2026-12-14 06:45:00 → PHL 2026-12-14 09:50:00.
  • Alaska Airlines AS370: PHL 2026-12-20 07:02:00 → SEA 2026-12-20 10:08:00; nonstop; 366 minutes. Local airport times.

2026-12-13 → 2026-12-20 · $437.00

  • Delta Air Lines DL567 / DL1100: SEA 2026-12-13 22:40:00 → PHL 2026-12-14 09:31:00; 1 stop(s) via ATL; 471 minutes. Local airport times.
    • DL567: SEA 2026-12-13 22:40:00 → ATL 2026-12-14 06:12:00; layover at ATL: 78 minutes.
    • DL1100: ATL 2026-12-14 07:30:00 → PHL 2026-12-14 09:31:00.
  • Delta Air Lines DL2791 / DL868: PHL 2026-12-20 05:34:00 → SEA 2026-12-20 10:42:00; 1 stop(s) via MSP; 488 minutes. Local airport times.
    • DL2791: PHL 2026-12-20 05:34:00 → MSP 2026-12-20 07:35:00; layover at MSP: 70 minutes.
    • DL868: MSP 2026-12-20 08:45:00 → SEA 2026-12-20 10:42:00.

2026-12-13 → 2026-12-20 · $437.00

  • Delta Air Lines DL942 / DL2703: SEA 2026-12-13 13:50:00 → PHL 2026-12-13 23:54:00; 1 stop(s) via MSP; 424 minutes. Local airport times.
    • DL942: SEA 2026-12-13 13:50:00 → MSP 2026-12-13 19:11:00; layover at MSP: 69 minutes.
    • DL2703: MSP 2026-12-13 20:20:00 → PHL 2026-12-13 23:54:00.
  • Delta Air Lines DL2791 / DL868: PHL 2026-12-20 05:34:00 → SEA 2026-12-20 10:42:00; 1 stop(s) via MSP; 488 minutes. Local airport times.
    • DL2791: PHL 2026-12-20 05:34:00 → MSP 2026-12-20 07:35:00; layover at MSP: 70 minutes.
    • DL868: MSP 2026-12-20 08:45:00 → SEA 2026-12-20 10:42:00.

2026-12-13 → 2026-12-20 · $462.00

  • Delta Air Lines DL1114: SEA 2026-12-13 21:38:00 → PHL 2026-12-14 05:43:00; nonstop; 305 minutes. Local airport times.
  • Delta Air Lines DL2791 / DL868: PHL 2026-12-20 05:34:00 → SEA 2026-12-20 10:42:00; 1 stop(s) via MSP; 488 minutes. Local airport times.
    • DL2791: PHL 2026-12-20 05:34:00 → MSP 2026-12-20 07:35:00; layover at MSP: 70 minutes.
    • DL868: MSP 2026-12-20 08:45:00 → SEA 2026-12-20 10:42:00.

More dates for this route