Seattle (SEA) to Philadelphia (PHL) · Dec 31, 2026 · return Jan 6, 2027
Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.
See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-12-31 → 2027-01-06 | Alaska Airlines | AS371 / AS370 | Axel-exclusive $434.51 | 2026-10-29T01:16:02Z |
| 2026-12-31 → 2027-01-06 | American Airlines | AA2358 / AA2500 | Axel-exclusive $451.00 | 2026-10-29T01:16:02Z |
| 2026-12-31 → 2027-01-06 | Southwest Airlines | WN1550 + WN1623 / WN1270 + WN3141 | Axel-exclusive $401.51 | 2026-10-29T01:16:02Z |
| 2026-12-31 → 2027-01-06 | United Airlines | UA1686 + UA225 / UA1811 + UA1660 | Axel-exclusive $412.51 | 2026-10-29T01:16:02Z |
| 2026-12-31 → 2027-01-06 | Delta Air Lines | DL942 + DL2703 / DL2023 + DL2995 | Axel-exclusive $418.00 | 2026-10-29T01:16:02Z |
| 2026-12-31 → 2027-01-06 | Alaska Airlines | AS442 / AS370 | Axel-exclusive $434.51 | 2026-10-29T01:16:02Z |
| 2026-12-31 → 2027-01-06 | American Airlines | AA771 / AA2500 | Axel-exclusive $451.00 | 2026-10-29T01:16:02Z |
| 2026-12-31 → 2027-01-06 | Alaska Airlines | AS328 + AA970 / AS370 | Axel-exclusive $409.51 | 2026-10-29T01:16:02Z |
| 2026-12-31 → 2027-01-06 | Delta Air Lines | DL812 + DL1391 / DL2023 + DL2995 | Axel-exclusive $418.00 | 2026-10-29T01:16:02Z |
| 2026-12-31 → 2027-01-06 | Delta Air Lines | DL1114 / DL2023 + DL2995 | Axel-exclusive $449.25 | 2026-10-29T01:16:02Z |
Route overview: Seattle to Philadelphia (PHL) flight deals
2026-12-31 → 2027-01-06 · Axel-exclusive $434.51
- Alaska Airlines AS371: SEA 2026-12-31 21:33:00 → PHL 2027-01-01 05:42:00; nonstop; 309 minutes. Local airport times.
- Alaska Airlines AS370: PHL 2027-01-06 07:00:00 → SEA 2027-01-06 10:28:00; nonstop; 388 minutes. Local airport times.
2026-12-31 → 2027-01-06 · Axel-exclusive $451.00
- American Airlines AA2358: SEA 2026-12-31 12:20:00 → PHL 2026-12-31 20:25:00; nonstop; 305 minutes. Local airport times.
- American Airlines AA2500: PHL 2027-01-06 19:00:00 → SEA 2027-01-06 22:38:00; nonstop; 398 minutes. Local airport times.
2026-12-31 → 2027-01-06 · Axel-exclusive $401.51
- Southwest Airlines WN1550 / WN1623: SEA 2026-12-31 06:30:00 → PHL 2026-12-31 16:30:00; 1 stop(s) via MDW; 420 minutes. Local airport times.
- WN1550: SEA 2026-12-31 06:30:00 → MDW 2026-12-31 12:25:00; layover at MDW: 70 minutes.
- WN1623: MDW 2026-12-31 13:35:00 → PHL 2026-12-31 16:30:00.
- Southwest Airlines WN1270 / WN3141: PHL 2027-01-06 17:15:00 → SEA 2027-01-06 22:50:00; 1 stop(s) via DEN; 515 minutes. Local airport times.
- WN1270: PHL 2027-01-06 17:15:00 → DEN 2027-01-06 19:25:00; layover at DEN: 75 minutes.
- WN3141: DEN 2027-01-06 20:40:00 → SEA 2027-01-06 22:50:00.
2026-12-31 → 2027-01-06 · Axel-exclusive $412.51
- United Airlines UA1686 / UA225: SEA 2026-12-31 05:05:00 → PHL 2026-12-31 15:51:00; 1 stop(s) via DEN; 466 minutes. Local airport times.
- UA1686: SEA 2026-12-31 05:05:00 → DEN 2026-12-31 08:42:00; layover at DEN: 93 minutes.
- UA225: DEN 2026-12-31 10:15:00 → PHL 2026-12-31 15:51:00.
- United Airlines UA1811 / UA1660: PHL 2027-01-06 09:45:00 → SEA 2027-01-06 15:32:00; 1 stop(s) via ORD; 527 minutes. Local airport times.
- UA1811: PHL 2027-01-06 09:45:00 → ORD 2027-01-06 11:20:00; layover at ORD: 85 minutes.
- UA1660: ORD 2027-01-06 12:45:00 → SEA 2027-01-06 15:32:00.
2026-12-31 → 2027-01-06 · Axel-exclusive $418.00
- Delta Air Lines DL942 / DL2703: SEA 2026-12-31 13:50:00 → PHL 2026-12-31 23:54:00; 1 stop(s) via MSP; 424 minutes. Local airport times.
- DL942: SEA 2026-12-31 13:50:00 → MSP 2026-12-31 19:11:00; layover at MSP: 69 minutes.
- DL2703: MSP 2026-12-31 20:20:00 → PHL 2026-12-31 23:54:00.
- Delta Air Lines DL2023 / DL2995: PHL 2027-01-06 07:15:00 → SEA 2027-01-06 12:36:00; 1 stop(s) via SLC; 501 minutes. Local airport times.
- DL2023: PHL 2027-01-06 07:15:00 → SLC 2027-01-06 10:15:00; layover at SLC: 60 minutes.
- DL2995: SLC 2027-01-06 11:15:00 → SEA 2027-01-06 12:36:00.
2026-12-31 → 2027-01-06 · Axel-exclusive $434.51
- Alaska Airlines AS442: SEA 2026-12-31 08:32:00 → PHL 2026-12-31 16:45:00; nonstop; 313 minutes. Local airport times.
- Alaska Airlines AS370: PHL 2027-01-06 07:00:00 → SEA 2027-01-06 10:28:00; nonstop; 388 minutes. Local airport times.
2026-12-31 → 2027-01-06 · Axel-exclusive $451.00
- American Airlines AA771: SEA 2026-12-31 09:15:00 → PHL 2026-12-31 17:23:00; nonstop; 308 minutes. Local airport times.
- American Airlines AA2500: PHL 2027-01-06 19:00:00 → SEA 2027-01-06 22:38:00; nonstop; 398 minutes. Local airport times.
2026-12-31 → 2027-01-06 · Axel-exclusive $409.51
- Alaska Airlines AS328 / AA970: SEA 2026-12-31 23:40:00 → PHL 2027-01-01 09:50:00; 1 stop(s) via ORD; 430 minutes. Local airport times.
- AS328: SEA 2026-12-31 23:40:00 → ORD 2027-01-01 05:37:00; layover at ORD: 68 minutes.
- AA970: ORD 2027-01-01 06:45:00 → PHL 2027-01-01 09:50:00.
- Alaska Airlines AS370: PHL 2027-01-06 07:00:00 → SEA 2027-01-06 10:28:00; nonstop; 388 minutes. Local airport times.
2026-12-31 → 2027-01-06 · Axel-exclusive $418.00
- Delta Air Lines DL812 / DL1391: SEA 2026-12-31 06:00:00 → PHL 2026-12-31 16:35:00; 1 stop(s) via DTW; 455 minutes. Local airport times.
- DL812: SEA 2026-12-31 06:00:00 → DTW 2026-12-31 13:12:00; layover at DTW: 107 minutes.
- DL1391: DTW 2026-12-31 14:59:00 → PHL 2026-12-31 16:35:00.
- Delta Air Lines DL2023 / DL2995: PHL 2027-01-06 07:15:00 → SEA 2027-01-06 12:36:00; 1 stop(s) via SLC; 501 minutes. Local airport times.
- DL2023: PHL 2027-01-06 07:15:00 → SLC 2027-01-06 10:15:00; layover at SLC: 60 minutes.
- DL2995: SLC 2027-01-06 11:15:00 → SEA 2027-01-06 12:36:00.
2026-12-31 → 2027-01-06 · Axel-exclusive $449.25
- Delta Air Lines DL1114: SEA 2026-12-31 21:38:00 → PHL 2027-01-01 05:43:00; nonstop; 305 minutes. Local airport times.
- Delta Air Lines DL2023 / DL2995: PHL 2027-01-06 07:15:00 → SEA 2027-01-06 12:36:00; 1 stop(s) via SLC; 501 minutes. Local airport times.
- DL2023: PHL 2027-01-06 07:15:00 → SLC 2027-01-06 10:15:00; layover at SLC: 60 minutes.
- DL2995: SLC 2027-01-06 11:15:00 → SEA 2027-01-06 12:36:00.
Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.
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