Cheap flights from Seattle to Chicago

Seattle-Tacoma
SEA
Chicago FSS
CHI

Flight deals from Seattle to Chicago

Below you can see the best deals on flights Seattle — Chicago for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 10 September, from $100.

Top 10 cheap flights from Seattle to Chicago

F9
F9
$ 100

Seattle — Chicago

16:27—00:23
10 Sep 2026
29 h 56 m
1 stop
F9
F9
$ 101

Seattle — Chicago

19:06—13:36
5 Sep 2026
16 h 30 m
1 stop
F9
F9
$ 119

Seattle — Chicago

19:06—13:36
31 Aug 2026
16 h 30 m
1 stop
F9
F9
F9
$ 123

Seattle — Chicago

21:29—13:36
31 Aug 2026
14 h 7 m
2 stops
F9
F9
$ 124

Seattle — Chicago

16:27—00:23
11 Sep 2026
29 h 56 m
1 stop
F9
F9
$ 124

Seattle — Chicago

21:45—05:38
11 Sep 2026
29 h 53 m
1 stop
F9
F9
$ 126

Seattle — Chicago

19:07—13:36
1 Sep 2026
16 h 29 m
1 stop
F9
F9
$ 127

Seattle — Chicago

16:27—00:23
9 Sep 2026
29 h 56 m
1 stop
F9
F9
$ 127

Seattle — Chicago

20:48—05:38
8 Sep 2026
30 h 50 m
1 stop
F9
F9
$ 131

Seattle — Chicago

13:35—13:36
31 Aug 2026
22 h 1 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Seattle — Chicago flight

Looking for cheap flights from Seattle to Chicago? Compare fares from different airlines, check the flight schedule and travel time — and book your Seattle — Chicago ticket online at the best price.

The route has direct flights — around 362 flights per week, flights are operated by Hawaiian Airlines, Alaska Airlines, United Airlines, American Airlines and 2 more airlines, a nonstop flight takes about 3 h 58 min, the distance between the cities is around 2,796 km.

Planning your trip? You may find our Chicago travel guide, how to get from the airport into town and Chicago weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $100Min. price
SeptemberCheapest
AprilPeak season
YesDirect flights
2,796 kmDistance
3 h 58 minTravel time
6Airlines
362 / wkFlights

Flight schedule from Seattle to Chicago

The table shows direct flights from Seattle to Chicago on the selected date. The flight takes approximately 3 h 58 min. Regular flights are operated by Hawaiian Airlines, Alaska Airlines, United Airlines and American Airlines. Departures from Seattle-Tacoma International Airport and Paine Field airports, arrivals at O'Hare International Airport, Chicago Midway International Airport and Midway International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 15 Aug 2026

Flight ticket prices by day: Seattle — Chicago

Below is a calendar of the lowest flight ticket prices for Seattle — Chicago by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $100 in September, and the most expensive are around $186 in April. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Seattle to Chicago by month. Tickets are usually cheapest in January (around $140) and priciest in June (about $215) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$140lowMay$168mediumSep$150low
Feb$140lowJun$215highOct$164medium
Mar$197highJul$215highNov$145low
Apr$168mediumAug$206highDec$206high

Some values are estimated based on seasonality.

When to fly

Weather in Chicago: it is warmest in July (up to 27 °C on average) and coolest in January (around 0 °C). The driest month is November.

Tickets are usually cheapest in September and most expensive in April. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Chicago

Dry and wet days · Chicago

Wind speed and direction · Chicago

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How to get the best deal on a Seattle — Chicago ticket

  • Book ahead: fares for Seattle — Chicago are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Seattle is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Chicago is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Seattle — Chicago route are operated by 6 airlines; Hawaiian Airlines runs the most flights (around 30% of all flights). Compare carriers, flight shares and schedules below.

  • Hawaiian AirlinesHA
    36x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight SEA → ORD36x/week
    30.1%
  • Alaska AirlinesAS
    33x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight SEA → ORD33x/week
      Duration
      4h 10m
      Days
      MTWTFSS
    27.1%Open →
  • United AirlinesUA
    22x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight SEA → ORD22x/week
      Duration
      4h 32m
      Days
      MTWTFSS
    18.5%Open →
  • American AirlinesAA
    16x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight SEA → ORD16x/week
      Duration
      4h 26m
      Days
      MTWTFSS
    13.3%Open →
  • DeltaDL
    12x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight SEA → ORD12x/week
      Duration
      4h 6m
      Days
      MTWTFSS
    9.9%Open →
  • Southwest AirlinesWN
    1x/week
    WebsiteFleet: 817140M pax/year
    • Direct flight SEA → MDW1x/week
      Duration
      4h
      Days
      MTWTFSS
    1.1%Open →

Cities and airports on the Seattle — Chicago route

Flights Seattle — Chicago depart from Seattle-Tacoma International Airport and Paine Field and arrive at O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Seattle

SEA
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Chicago

CHI
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Seattle — Chicago flight

How long is the flight from Seattle to Chicago?

A nonstop Seattle — Chicago flight takes about 3 h 58 min — the distance between the cities is around 2,796 km.

How far is it from Seattle to Chicago?

The distance from Seattle to Chicago is about 2,796 km, which a nonstop flight covers in around 3 h 58 min.

Are there direct flights from Seattle to Chicago?

Yes, there are nonstop flights Seattle — Chicago — around 362 flights per week.

Which airlines fly from Seattle to Chicago?

Airlines operating Seattle — Chicago include Hawaiian Airlines, Alaska Airlines, United Airlines, American Airlines, Delta. See the full list with schedules in the "Airlines" section on this page.

Which airports do Seattle — Chicago flights use?

Flights from Seattle depart from Seattle-Tacoma International Airport, Paine Field, and arrive at O'Hare International Airport, Chicago Midway International Airport, Midway International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Seattle to Chicago?

The price of a Seattle — Chicago ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in April. Tickets typically cost between $100 and $186. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Seattle — Chicago?

Flights Seattle — Chicago are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Seattle to Chicago?

To catch a low fare Seattle — Chicago, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Seattle

See all
Los AngelesAnchorageVancouverSan FranciscoPhoenixSan DiegoSan JoseSpokanePortlandSanta AnaNew York CityBoiseDenverDallasSalt Lake CitySacramentoLas VegasRedmondBostonAtlantaHonoluluWashington, D.C.MinneapolisPascoBurbankAustinFairbanksJuneauEugeneNashvilleHoustonCalgaryBozemanDetroitPalm SpringsMissoulaMedfordRenoOrlandoVictoria

Where else you can fly from Chicago

See all
New York CityTorontoDetroitWashington, D.C.AtlantaMinneapolisLos AngelesBostonDallasHoustonOrlandoDenverNashvilleLondonIndianapolisSan DiegoMontrealMilwaukeeSt. LouisCharlottePhiladelphiaColumbusKansas CityPhoenixMiamiLas VegasCincinnatiGrand RapidsDes MoinesRaleighSan FranciscoMadisonDaytonGreen BayTampaPittsburghLouisvilleKnoxvilleRochesterCleveland

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