⚡ Fare recorded April 25, 2026 · Prices change daily

Seattle to Chicago flights

Seattle (SEA) to Chicago (CHI): 1,716 miles (2,762 km) great-circle, about 3h 55m nonstop by our estimate. Cheapest fare observed: $735 round-trip on American Airlines, nonstop, departing April 26, 2026.

AAAmerican AirlinesAA2398
Depart
SEA
Seattle, USA
23:33
2026-04-26
✈
Arrive
CHI
Chicago, United States
Returns 19:21
2026-04-27
Stops
non-stop
Distance
1,716 mi
Est. nonstop time
3h 55m
Trip type
Round-trip
$735
Round-trip · per person
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About this flight

When did the cheapest Seattle to Chicago fare fly?

$735 round-trip, American Airlines AA2398, departing 2026-04-26 at 23:33, returning 2026-04-27. The recorded itinerary left on a Sunday, returning on a Monday 1 night later; the fare was observed 1 day before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is Seattle from Chicago?

  • Distance: 1,716 miles (2,762 km) great-circle, heading east (measured to Chicago O'Hare International Airport, ORD).
  • Estimated nonstop flight time: about 3h 55m.
  • Departure airport: Seattle-Tacoma International Airport (SEA), Seattle, United States, UTC-7 on April 26, 2026.
  • Arrival: Chicago (CHI, all airports), United States, UTC-5 on April 26, 2026.
  • Time difference: Chicago is 2 hours ahead of Seattle on the recorded date.
  • Route type: domestic, within United States.
  • Recorded itinerary: American Airlines AA2398, non-stop, round-trip, 1 days between departure and return.
Fare comparison

How does the Seattle to Chicago fare compare with other routes from SEA?

At $735, it ranked 17th of the 30 round-trip fares we recorded from SEA (median $591). That is 42.8 cents per great-circle mile (round-trip price over one-way distance), above the SEA median of 19.2 cents across 30 round-trip routes.

Routes from SEA of similar length: Austin (1,769 mi) at $217 and Dallas (1,658 mi) at $200.

American Airlines had the cheapest fare on 2 of 30 SEA routes. It is the 20th longest of the 30 routes we track from SEA.

Other ways in

What did other cities pay to fly to Chicago?

Of 33 departure airports with a fare to Chicago, Seattle (SEA) ranked 31st at $735. Lowest: $89 from Atlanta (ATL); highest: $1241 from Nairobi (NBO); 16 nonstop. Cheapest-fare airlines (routes): Frontier (15), Spirit (5), United Airlines (4), American Airlines (2), airline 0O (1) and Alaska Airlines (1), plus 5 more.

Sources

Where do these numbers come from?

Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/Chicago; flight time is our estimate.

FAQ

Seattle to Chicago flight questions

How far is Seattle from Chicago by plane?

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Seattle is about 1,716 miles (2,762 km) from Chicago on a great-circle line from Seattle-Tacoma International Airport (SEA) to Chicago O'Hare International Airport (ORD), heading east. CHI is the city code that covers every commercial airport in Chicago; distances on this page are measured to Chicago O'Hare International Airport (ORD). It is the 20th longest of the 30 routes we track from SEA. The recorded itinerary was nonstop.

How long is the flight from Seattle to Chicago?

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About 3h 55m nonstop by our estimate for 1,716 miles (500 mph cruise plus 30 minutes, not a timetable). The recorded American Airlines fare was nonstop. 33 airports in our feed had a fare to Chicago; this one ranked 31st, and 16 of the 33 were nonstop.

What is the time difference between Seattle and Chicago?

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On April 26, 2026, Seattle was on UTC-7 (America/Los_Angeles) and Chicago on UTC-5 (America/Chicago), so Chicago was 2 hours ahead of Seattle: noon in Seattle was 14:00 in Chicago. Both zones shift for daylight saving together, so the gap stays the same in January and July.

How much is a flight from Seattle to Chicago?

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As observed on April 25, 2026: $735 per person round-trip on American Airlines flight AA2398, departing April 26, 2026, returning April 27, 2026, nonstop. At $735, it ranked 17th of the 30 round-trip fares we recorded from SEA (median $591). That is 42.8 cents per great-circle mile (round-trip price over one-way distance), above the SEA median of 19.2 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from Seattle to Chicago?

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Yes, the cheapest recorded fare was a nonstop American Airlines flight, AA2398, on April 26, 2026. Into Chicago, 16 of the 33 recorded fares were nonstop. From SEA, 9 of 30 were. Routes from SEA of similar length: Austin (1,769 mi) at $217 and Dallas (1,658 mi) at $200.

Which airports serve flights from Seattle to Chicago?

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It departs Seattle-Tacoma International Airport (SEA) in Seattle, United States, and arrives at Chicago (CHI) in Chicago, United States. CHI is the city code that covers every commercial airport in Chicago; distances on this page are measured to Chicago O'Hare International Airport (ORD). A domestic United States flight.

Where else near Chicago can you fly from Seattle?

Washington (WAS) $234New York (NYC) $300Dallas (DFW) $200Boston (BOS) $289Denver (DEN) $242Houston (HOU) $251All flights from Seattle →

Other cities with flights to Chicago

From Atlanta (ATL) $89From Dallas (DFW) $94From Houston (IAH) $101From Fort Lauderdale (FLL) $126From Los Angeles (LAX) $126From Newark (EWR) $156

Ready to fly?

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