Chicago (MDW) to Seattle (SEA), Apr 21, 2027 – May 3, 2027: from $355 round trip

Chicago (MDW) to Seattle (SEA), Apr 21, 2027 – May 3, 2027: from $355 round trip on Axel, checked Nov 14, 2026. Lowest published fare: $355 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Apr 21, 2027 – May 3, 2027, 1 adult, economy, checked Nov 14, 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
2027-04-21 → 2027-05-03 Southwest Airlines WN296 / WN333 09:55:00→12:35:00 4h 40m nonstop · 10:45:00→16:40:00 3h 55m nonstop Axel-exclusive $370 Nov 14, 2026
2027-04-21 → 2027-05-03 Delta Air Lines DL5469 + DL877 / DL536 + DL4714 10:24:00→16:53:00 8h 29m 1 stop via MSP · 08:30:00→16:39:00 6h 09m 1 stop via MSP Axel-exclusive $410 Nov 14, 2026
2027-04-21 → 2027-05-03 Southwest Airlines WN3032 / WN333 20:45:00→23:35:00 4h 50m nonstop · 10:45:00→16:40:00 3h 55m nonstop Axel-exclusive $370 Nov 14, 2026
2027-04-21 → 2027-05-03 Southwest Airlines WN2998 + WN2455 / WN333 18:05:00→01:00:00 8h 55m 1 stop via PHX · 10:45:00→16:40:00 3h 55m nonstop Axel-exclusive $355 Nov 14, 2026
2027-04-21 → 2027-05-03 Southwest Airlines WN120 + WN244 / WN333 10:50:00→17:50:00 9h 00m 1 stop via DEN · 10:45:00→16:40:00 3h 55m nonstop Axel-exclusive $355 Nov 14, 2026
2027-04-21 → 2027-05-03 Southwest Airlines WN2691 + WN948 / WN333 05:50:00→13:00:00 9h 10m 1 stop via LAS · 10:45:00→16:40:00 3h 55m nonstop Axel-exclusive $355 Nov 14, 2026
2027-04-21 → 2027-05-03 Southwest Airlines WN3020 + WN547 / WN333 06:00:00→13:00:00 9h 00m 1 stop via SAN · 10:45:00→16:40:00 3h 55m nonstop Axel-exclusive $355 Nov 14, 2026
2027-04-21 → 2027-05-03 Delta Air Lines DL4711 + DL728 / DL536 + DL4714 09:30:00→14:55:00 7h 25m 1 stop via DTW · 08:30:00→16:39:00 6h 09m 1 stop via MSP Axel-exclusive $410 Nov 14, 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.

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Route overview: Chicago to Seattle (SEA) flight deals

2027-04-21 → 2027-05-03 · Axel-exclusive $370

2027-04-21 → 2027-05-03 · Axel-exclusive $410

2027-04-21 → 2027-05-03 · Axel-exclusive $370

2027-04-21 → 2027-05-03 · Axel-exclusive $355

2027-04-21 → 2027-05-03 · Axel-exclusive $355

2027-04-21 → 2027-05-03 · Axel-exclusive $355

2027-04-21 → 2027-05-03 · Axel-exclusive $355

2027-04-21 → 2027-05-03 · Axel-exclusive $410

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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