Cheap flights from Chicago to Seattle

Chicago FSS
CHI
Seattle-Tacoma
SEA

Flight deals from Chicago to Seattle

Below you can see the best deals on flights Chicago — Seattle 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 1 September, from $76.

Top 10 cheap flights from Chicago to Seattle

F9
F9
$ 76

Chicago — Seattle

14:41—09:19
1 Sep 2026
20 h 38 m
1 stop
F9
F9
$ 76

Chicago — Seattle

06:30—15:08
14 Sep 2026
34 h 38 m
1 stop
F9
F9
$ 107

Chicago — Seattle

14:41—13:22
1 Sep 2026
24 h 41 m
1 stop
F9
F9
F9
$ 112

Chicago — Seattle

13:59—09:19
1 Sep 2026
21 h 20 m
2 stops
F9
F9
F9
$ 112

Chicago — Seattle

20:11—09:19
31 Aug 2026
15 h 8 m
2 stops
F9
F9
F9
$ 112

Chicago — Seattle

13:59—09:19
31 Aug 2026
21 h 20 m
2 stops
F9
F9
F9
$ 112

Chicago — Seattle

07:05—09:19
31 Aug 2026
28 h 14 m
2 stops
F9
F9
F9
$ 114

Chicago — Seattle

11:50—09:19
1 Sep 2026
23 h 29 m
2 stops
F9
F9
$ 118

Chicago — Seattle

12:26—15:08
14 Sep 2026
28 h 42 m
1 stop
F9
F9
F9
$ 119

Chicago — Seattle

09:20—09:19
1 Sep 2026
25 h 59 m
2 stops

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

About the Chicago — Seattle flight

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

The route has direct flights — around 393 flights per week, flights are operated by Alaska Airlines, Hawaiian Airlines, United Airlines, American Airlines and 4 more airlines, a nonstop flight takes about 4 h 32 min, the distance between the cities is around 2,796 km.

Planning your trip? You may find our Seattle travel guide, how to get from the airport into town and Seattle 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 $76Min. price
SeptemberCheapest
AprilPeak season
YesDirect flights
2,796 kmDistance
4 h 32 minTravel time
8Airlines
393 / wkFlights

Flight schedule from Chicago to Seattle

The table shows direct flights from Chicago to Seattle on the selected date. The flight takes approximately 4 h 32 min. Regular flights are operated by Alaska Airlines, Hawaiian Airlines, United Airlines and American Airlines. Departures from O'Hare International Airport, Chicago Midway International Airport and Midway International Airport airports, arrivals at Seattle-Tacoma International Airport and Paine Field.

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: 14 Aug 2026

Flight ticket prices by day: Chicago — Seattle

Below is a calendar of the lowest flight ticket prices for Chicago — Seattle by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $76 in September, and the most expensive are around $181 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 Chicago to Seattle by month. Tickets are usually cheapest in February (around $198) and priciest in July (about $291) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$203lowMay$238mediumSep$238medium
Feb$198lowJun$273highOct$212low
Mar$221mediumJul$291highNov$230medium
Apr$230mediumAug$283highDec$265high

Some values are estimated based on seasonality.

When to fly

Weather in Seattle: it is warmest in August (up to 25 °C on average) and coolest in December (around 8 °C). The driest month is July.

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 · Seattle

Dry and wet days · Seattle

Wind speed and direction · Seattle

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

  • Book ahead: fares for Chicago — Seattle 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.
  • Chicago is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Seattle 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 Chicago — Seattle route are operated by 8 airlines; Alaska Airlines runs the most flights (around 29% of all flights). Compare carriers, flight shares and schedules below.

  • Alaska AirlinesAS
    37x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight ORD → SEA37x/week
      Duration
      4h 35m
      Days
      MTWTFSS
    28.5%Open →
  • Hawaiian AirlinesHA
    35x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight ORD → SEA35x/week
    26.5%
  • United AirlinesUA
    25x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight ORD → SEA25x/week
      Duration
      4h 32m
      Days
      MTWTFSS
    19.1%Open →
  • American AirlinesAA
    21x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight ORD → SEA21x/week
      Duration
      4h 47m
      Days
      MTWTFSS
    16.3%Open →
  • DeltaDL
    11x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight ORD → SEA11x/week
      Duration
      4h 37m
      Days
      MTWTFSS
    8.7%Open →
  • Qatar AirwaysQR
    1x/week
    WebsiteFleet: 26640M pax/year
    • Direct flight ORD → SEA1x/week
    0.5%Open →
  • FinnairAY
    1x/week
    WebsiteFleet: 7911M pax/year
    • Direct flight ORD → SEA1x/week
    0.3%Open →
  • Southwest AirlinesWN
    1x/week
    WebsiteFleet: 817140M pax/year
    • Direct flight MDW → SEA1x/week
      Duration
      4h 26m
      Days
      MTWTFSS
    0.3%Open →

Cities and airports on the Chicago — Seattle route

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

Departure

Chicago

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

Seattle

SEA
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 Chicago — Seattle flight

How long is the flight from Chicago to Seattle?

A nonstop Chicago — Seattle flight takes about 4 h 32 min — the distance between the cities is around 2,796 km.

How far is it from Chicago to Seattle?

The distance from Chicago to Seattle is about 2,796 km, which a nonstop flight covers in around 4 h 32 min.

Are there direct flights from Chicago to Seattle?

Yes, there are nonstop flights Chicago — Seattle — around 393 flights per week.

Which airlines fly from Chicago to Seattle?

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

Which airports do Chicago — Seattle flights use?

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

How much is a ticket from Chicago to Seattle?

The price of a Chicago — Seattle 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 $76 and $181. Check the current lowest fare and low-price calendar on this page.

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

Flights Chicago — Seattle 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 Chicago to Seattle?

To catch a low fare Chicago — Seattle, 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 Chicago

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

Where else you can fly from Seattle

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

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