Seattle (SEA) to Philadelphia (PHL), Jan 19, 2027 – Feb 1, 2027: from $356 round trip

Seattle (SEA) to Philadelphia (PHL), Jan 19, 2027 – Feb 1, 2027: from $356 round trip on Axel, checked Nov 13, 2026. Lowest published fare: $356 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Jan 19, 2027 – Feb 1, 2027, 1 adult, economy, checked Nov 13, 2026. 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 Times, duration, stops Total price Price checked
2027-01-19 → 2027-02-01 Alaska Airlines AS442 / AS370 09:05:00→17:08:00 5h 03m nonstop · 07:00:00→10:28:00 6h 28m nonstop Axel-exclusive $385 Nov 13, 2026
2027-01-19 → 2027-02-01 American Airlines AA771 / AA2500 09:15:00→17:23:00 5h 08m nonstop · 19:00:00→22:38:00 6h 38m nonstop Axel-exclusive $400 Nov 13, 2026
2027-01-19 → 2027-02-01 Delta Air Lines DL1114 / DL2092 21:38:00→05:43:00 5h 05m nonstop · 07:00:00→10:05:00 6h 05m nonstop Axel-exclusive $419 Nov 13, 2026
2027-01-19 → 2027-02-01 Southwest Airlines WN1550 + WN1623 / WN1270 + WN3141 06:30:00→16:30:00 7h 00m 1 stop via MDW · 17:15:00→22:50:00 8h 35m 1 stop via DEN Axel-exclusive $356 Nov 13, 2026
2027-01-19 → 2027-02-01 United Airlines UA1686 + UA225 / UA1811 + UA1660 05:05:00→15:51:00 7h 46m 1 stop via DEN · 09:45:00→15:32:00 8h 47m 1 stop via ORD Axel-exclusive $366 Nov 13, 2026
2027-01-19 → 2027-02-01 Alaska Airlines AS371 / AS370 21:35:00→05:40:00 5h 05m nonstop · 07:00:00→10:28:00 6h 28m nonstop Axel-exclusive $385 Nov 13, 2026
2027-01-19 → 2027-02-01 American Airlines AA2500 / AA2500 23:17:00→07:19:00 5h 02m nonstop · 19:00:00→22:38:00 6h 38m nonstop Axel-exclusive $400 Nov 13, 2026
2027-01-19 → 2027-02-01 Alaska Airlines AS328 + AA970 / AS370 23:40:00→09:50:00 7h 10m 1 stop via ORD · 07:00:00→10:28:00 6h 28m nonstop Axel-exclusive $366 Nov 13, 2026
2027-01-19 → 2027-02-01 Delta Air Lines DL942 + DL2703 / DL2092 13:50:00→23:54:00 7h 04m 1 stop via MSP · 07:00:00→10:05:00 6h 05m nonstop Axel-exclusive $396 Nov 13, 2026
2027-01-19 → 2027-02-01 Delta Air Lines DL567 + DL1100 / DL2092 22:40:00→09:31:00 7h 51m 1 stop via ATL · 07:00:00→10:05:00 6h 05m nonstop Axel-exclusive $396 Nov 13, 2026
2027-01-19 → 2027-02-01 Delta Air Lines DL812 + DL1391 / DL2092 06:00:00→16:35:00 7h 35m 1 stop via DTW · 07:00:00→10:05:00 6h 05m nonstop Axel-exclusive $396 Nov 13, 2026

Hotels in Philadelphia for these trips

Hotels: under a trip, hotels in Philadelphia for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the nightly rate and the stay's total, from the lowest saved total among the shortlisted hotels in that star tier for those dates.

All hotels in Philadelphia

Route overview: Seattle to Philadelphia (PHL) flight deals

2027-01-19 → 2027-02-01 · Axel-exclusive $385

2027-01-19 → 2027-02-01 · Axel-exclusive $400

2027-01-19 → 2027-02-01 · Axel-exclusive $419

2027-01-19 → 2027-02-01 · Axel-exclusive $356

2027-01-19 → 2027-02-01 · Axel-exclusive $366

2027-01-19 → 2027-02-01 · Axel-exclusive $385

2027-01-19 → 2027-02-01 · Axel-exclusive $400

2027-01-19 → 2027-02-01 · Axel-exclusive $366

2027-01-19 → 2027-02-01 · Axel-exclusive $396

2027-01-19 → 2027-02-01 · Axel-exclusive $396

2027-01-19 → 2027-02-01 · Axel-exclusive $396

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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