Seattle (SEA) to Philadelphia (PHL), Jan 10, 2027: round trips from $356, one way from $185

Seattle (SEA) to Philadelphia (PHL), Jan 10, 2027: round trips from $356, one way from $185 on Axel, checked Oct 29, 2026. Lowest published fares: $356 round trip, Axel-exclusive, United Airlines, 1 stop, Jan 10–11, 2027; $185 one way, Axel-exclusive, United Airlines, 1 stop, Jan 10, 2027; 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown.

Date links open published trip details for exploration. Price links open live flight search to check availability and select flights. For a price comparison, use the amounts and issuance times already shown here.

Exact travel dates Airline Flights Times, duration, stops Total price Price issued (UTC)
2027-01-10 · one way Alaska Airlines AS442 09:06:00→17:11:00 5h 05m nonstop Axel-exclusive $194.75 2026-10-29T01:16:02Z
2027-01-10 · one way United Airlines UA1686 + UA225 05:05:00→15:51:00 7h 46m 1 stop via DEN Axel-exclusive $185.25 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-11 Alaska Airlines AS442 / AS370 09:06:00→17:11:00 5h 05m nonstop · 07:00:00→10:28:00 6h 28m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-11 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-12 Alaska Airlines AS442 / AS443 09:06:00→17:11:00 5h 05m nonstop · 18:11:00→21:53:00 6h 42m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-12 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-13 Alaska Airlines AS442 / AS370 09:06:00→17:11:00 5h 05m nonstop · 07:00:00→10:28:00 6h 28m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-13 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-14 Alaska Airlines AS442 / AS443 09:06:00→17:11:00 5h 05m nonstop · 18:11:00→21:53:00 6h 42m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-14 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-15 Alaska Airlines AS442 / AS370 09:06:00→17:11:00 5h 05m nonstop · 07:02:00→10:29:00 6h 27m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-15 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-16 Alaska Airlines AS442 / AS370 09:06:00→17:11:00 5h 05m nonstop · 07:02:00→10:29:00 6h 27m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-16 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-17 Alaska Airlines AS442 / AS370 09:06:00→17:11:00 5h 05m nonstop · 07:02:00→10:29:00 6h 27m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-17 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-18 Alaska Airlines AS442 / AS370 09:06:00→17:11:00 5h 05m nonstop · 07:00:00→10:28:00 6h 28m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-18 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-19 Alaska Airlines AS442 / AS443 09:06:00→17:11:00 5h 05m nonstop · 18:11:00→21:53:00 6h 42m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-19 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-20 Alaska Airlines AS442 / AS370 09:06:00→17:11:00 5h 05m nonstop · 07:00:00→10:28:00 6h 28m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-20 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-21 Alaska Airlines AS442 / AS443 09:06:00→17:11:00 5h 05m nonstop · 18:11:00→21:53:00 6h 42m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-21 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-22 Alaska Airlines AS442 / AS370 09:06:00→17:11:00 5h 05m nonstop · 07:02:00→10:29:00 6h 27m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-22 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-23 Alaska Airlines AS442 / AS370 09:06:00→17:11:00 5h 05m nonstop · 07:02:00→10:29:00 6h 27m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-23 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 $356.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-24 Alaska Airlines AS442 / AS370 09:06:00→17:11:00 5h 05m nonstop · 07:02:00→10:29:00 6h 27m nonstop Axel-exclusive $375.26 2026-10-29T01:16:02Z
2027-01-10 → 2027-01-24 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 $356.26 2026-10-29T01:16:02Z

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 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

2027-01-10 · one way · Axel-exclusive $185.25

2027-01-10 · one way · Axel-exclusive $194.75

2027-01-10 → 2027-01-11 · Axel-exclusive $356.26

2027-01-10 → 2027-01-11 · Axel-exclusive $375.26

2027-01-10 → 2027-01-12 · Axel-exclusive $356.26

2027-01-10 → 2027-01-12 · Axel-exclusive $375.26

2027-01-10 → 2027-01-13 · Axel-exclusive $356.26

2027-01-10 → 2027-01-13 · Axel-exclusive $375.26

2027-01-10 → 2027-01-14 · Axel-exclusive $356.26

2027-01-10 → 2027-01-14 · Axel-exclusive $375.26

2027-01-10 → 2027-01-16 · Axel-exclusive $356.26

2027-01-10 → 2027-01-16 · Axel-exclusive $375.26

2027-01-10 → 2027-01-17 · Axel-exclusive $356.26

2027-01-10 → 2027-01-17 · Axel-exclusive $375.26

2027-01-10 → 2027-01-18 · Axel-exclusive $356.26

2027-01-10 → 2027-01-18 · Axel-exclusive $375.26

2027-01-10 → 2027-01-20 · Axel-exclusive $356.26

2027-01-10 → 2027-01-20 · Axel-exclusive $375.26

2027-01-10 → 2027-01-21 · Axel-exclusive $356.26

2027-01-10 → 2027-01-21 · Axel-exclusive $375.26

2027-01-10 → 2027-01-22 · Axel-exclusive $356.26

2027-01-10 → 2027-01-22 · Axel-exclusive $375.26

2027-01-10 → 2027-01-24 · Axel-exclusive $356.26

2027-01-10 → 2027-01-24 · Axel-exclusive $375.26

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