Philadelphia (PHL) to Seattle (SEA), Jan 20, 2027 – Feb 2, 2027: from $347 round trip

Philadelphia (PHL) to Seattle (SEA), Jan 20, 2027 – Feb 2, 2027: from $347 round trip on Axel, checked Nov 11, 2026. Lowest published fare: $347 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Jan 20, 2027 – Feb 2, 2027, 1 adult, economy, checked Nov 11, 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
2027-01-20 → 2027-02-02 Alaska Airlines AS443 / AS371 17:49:00→20:59:00 6h 10m nonstop · 21:35:00→05:40:00 5h 05m nonstop Axel-exclusive $365.76 Nov 11, 2026
2027-01-20 → 2027-02-02 American Airlines AA2311 / AA2500 08:27:00→11:52:00 6h 25m nonstop · 23:17:00→07:19:00 5h 02m nonstop Axel-exclusive $380.00 Nov 11, 2026
2027-01-20 → 2027-02-02 Delta Air Lines DL2092 / DL1114 07:00:00→10:05:00 6h 05m nonstop · 21:38:00→05:43:00 5h 05m nonstop Axel-exclusive $389.50 Nov 11, 2026
2027-01-20 → 2027-02-02 Southwest Airlines WN2108 + WN3032 / WN1550 + WN1623 18:20:00→23:35:00 8h 15m 1 stop via MDW · 06:30:00→16:30:00 7h 00m 1 stop via MDW Axel-exclusive $346.76 Nov 11, 2026
2027-01-20 → 2027-02-02 United Airlines UA1811 + UA1660 / UA1686 + UA225 09:45:00→15:32:00 8h 47m 1 stop via ORD · 05:05:00→15:51:00 7h 46m 1 stop via DEN Axel-exclusive $351.50 Nov 11, 2026
2027-01-20 → 2027-02-02 Alaska Airlines AS370 / AS371 07:00:00→10:28:00 6h 28m nonstop · 21:35:00→05:40:00 5h 05m nonstop Axel-exclusive $365.76 Nov 11, 2026
2027-01-20 → 2027-02-02 American Airlines AA2500 / AA2500 19:00:00→22:38:00 6h 38m nonstop · 23:17:00→07:19:00 5h 02m nonstop Axel-exclusive $380.00 Nov 11, 2026
2027-01-20 → 2027-02-02 Southwest Airlines WN1270 + WN3141 / WN1550 + WN1623 17:15:00→22:50:00 8h 35m 1 stop via DEN · 06:30:00→16:30:00 7h 00m 1 stop via MDW Axel-exclusive $346.76 Nov 11, 2026
2027-01-20 → 2027-02-02 Delta Air Lines DL2791 + DL868 / DL1114 05:34:00→10:42:00 8h 08m 1 stop via MSP · 21:38:00→05:43:00 5h 05m nonstop Axel-exclusive $372.88 Nov 11, 2026
2027-01-20 → 2027-02-02 Delta Air Lines DL2023 + DL2995 / DL1114 07:15:00→12:36:00 8h 21m 1 stop via SLC · 21:38:00→05:43:00 5h 05m nonstop Axel-exclusive $372.88 Nov 11, 2026
2027-01-20 → 2027-02-02 Delta Air Lines DL2968 + DL728 / DL1114 09:43:00→14:55:00 8h 12m 1 stop via DTW · 21:38:00→05:43:00 5h 05m nonstop Axel-exclusive $372.88 Nov 11, 2026

Hotels in Seattle for these trips

Hotels: under a trip, hotels in Seattle 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 Seattle

Route overview: Philadelphia to Seattle (SEA) flight deals

2027-01-20 → 2027-02-02 · Axel-exclusive $365.76

2027-01-20 → 2027-02-02 · Axel-exclusive $380.00

2027-01-20 → 2027-02-02 · Axel-exclusive $389.50

2027-01-20 → 2027-02-02 · Axel-exclusive $346.76

2027-01-20 → 2027-02-02 · Axel-exclusive $351.50

2027-01-20 → 2027-02-02 · Axel-exclusive $365.76

2027-01-20 → 2027-02-02 · Axel-exclusive $380.00

2027-01-20 → 2027-02-02 · Axel-exclusive $346.76

2027-01-20 → 2027-02-02 · Axel-exclusive $372.88

2027-01-20 → 2027-02-02 · Axel-exclusive $372.88

2027-01-20 → 2027-02-02 · Axel-exclusive $372.88

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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