Cheap flights from Seattle to Chicago

Flights overview

Useful information for finding cheap flights from Seattle to Chicago and booking your next trip
Cheapest round-trip flights$210
Frontier1 stop13 hrThu, Apr 16 — Fri, Apr 24
The cheapest round-trip flight from Seattle to Chicago is currently $210
Cheapest one-way flight$109
SouthwestNonstop4 hrWed, Apr 15
The cheapest one-way flight from Seattle to Chicago is currently $109
Cheapest nonstop flights$217
SouthwestNonstop4 hrThu, Apr 16 — Wed, Apr 22
The cheapest nonstop round-trip flight from Seattle to Chicago is currently $217
Last-minute weekend getaway$507
Southwest1 stop7 hrThu, Mar 19 — Sun, Mar 22
The cheapest last-minute weekend getaway from Seattle to Chicago is currently $507
Cheapest business class flights$448
Frontier1 stop18 hrThu, Apr 23 — Wed, Apr 29
The cheapest business class round-trip flight from Seattle to Chicago is currently $448
Fastest flight3 hr 50 minThe fastest nonstop flight from Seattle to Chicago takes 3 hr 50 min
Nonstop flightsEvery dayThere are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Seattle to Chicago is typically September. The most expensive month to fly is typically July.
January
Prices in January are usually between $160 and $305.

Popular airlines from Seattle to Chicago

  • Southwest
    Nonstop
    from $217
    Typical price: $215–465
    14 weekly nonstop flights
    SEA - MDWEvery day
    1229 weekly connecting flights
    SEA - MDW, ORDEvery day
  • Delta
    Nonstop
    from $237
    Typical price: $195–470
    14 weekly nonstop flights
    SEA - ORDEvery day
    637 weekly connecting flights
    SEA - MDW, ORDEvery day
  • Alaska
    Nonstop
    from $217
    Typical price: $195–440
    25 weekly nonstop flights
    SEA - ORDEvery day
    7 weekly connecting flights
    SEA - ORDEvery day
  • United
    Nonstop
    from $217
    Typical price: $195–410
    21 weekly nonstop flights
    SEA - ORDEvery day
    155 weekly connecting flights
    SEA - ORDEvery day
  • American
    Nonstop
    from $217
    Typical price: $200–435
    20 weekly nonstop flights
    SEA - ORDEvery day
    104 weekly connecting flights
    SEA - ORDEvery day
  • Frontier
    from $210
    Typical price: $210–500
    38 weekly connecting flights
    SEA - MDW, ORDEvery day

Popular airports near Seattle

  • Seattle-Tacoma International Airport (SEA)
    SeattleUnited States19 min11 mi
  • Paine Field (PAE)
    EverettUnited States31 min21 mi
  • King County International Airport - Boeing Field (BFI)
    SeattleUnited States11 min5 mi
  • Portland International Airport (PDX)
    PortlandUnited States2 hr 44 min140 mi

Popular airports near Chicago

  • Chicago O'Hare International Airport (ORD)
    ChicagoUnited States26 min16 mi
  • Chicago Midway International Airport (MDW)
    ChicagoUnited States25 min9 mi
  • Milwaukee Mitchell International Airport (MKE)
    MilwaukeeUnited States1 hr 24 min75 mi
  • Indianapolis International Airport (IND)
    IndianapolisUnited States2 hr 58 min165 mi

Frequently asked questions about flying from Seattle to Chicago

The cheapest flights from Seattle to Chicago are usually in September. Typical ticket prices in September range from $150 to $250.
The cheapest round-trip flight from Seattle to Chicago recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Southwest from $109.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Seattle to Chicago is $217, flying from Apr 16 to Apr 22.
  • The cheapest Delta flight from Seattle to Chicago is $237, flying from Apr 16 to Apr 22.
  • The cheapest Alaska flight from Seattle to Chicago is $217, flying from Apr 23 to Apr 30.
  • The cheapest United flight from Seattle to Chicago is $217, flying from Apr 16 to Apr 22.
  • The cheapest American flight from Seattle to Chicago is $217, flying from Apr 16 to Apr 22.
  • The cheapest Frontier flight from Seattle to Chicago is $210, flying from Apr 23 to Apr 29.
The cheapest round-trip flight from Seattle to Chicago starts at $210 from Thu, Apr 16 to Fri, Apr 24. The cheapest one-way flight starts at $109 and departs on Wed, Apr 15.
3 hr 50 min is the shortest flight time from Seattle to Chicago.
Chicago's peak season is Jun–Aug. Popular events throughout year include St. Patrick's Day, when the river is tinted green (Mar 17); the Pride Parade (Jun); the Taste of Chicago culinary festival (Jul) and the Jazz Festival (Sep). During the holiday season (Nov–Dec), the Magnificent Mile Lights Festival and Christkindlmarket, a German Christmas market in Daley Plaza, draw crowds to the city.
It's easy to use Google Flights to find the cheapest days to fly from Seattle to Chicago.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Seattle to Chicago really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Seattle to Chicago.

In terms of nonstop flights, Alaska is the most popular. Alaska offers 25 nonstop flights and 7 connecting flights per week. Alaska flies from Seattle-Tacoma International Airport (SEA) to Chicago O'Hare International Airport (ORD).

In terms of flights, Southwest is the most popular. Southwest offers 14 nonstop flights and 1,229 connecting flights per week. Southwest flies from Seattle-Tacoma International Airport (SEA) to Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD).

Other popular airlines flying from Seattle to Chicago are:
  • Delta offers 14 nonstop flights and 637 connecting flights per week. Delta flies from Seattle-Tacoma International Airport (SEA) to Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD).
  • United offers 21 nonstop flights and 155 connecting flights per week. United flies from Seattle-Tacoma International Airport (SEA) to Chicago O'Hare International Airport (ORD).
  • American offers 20 nonstop flights and 104 connecting flights per week. American flies from Seattle-Tacoma International Airport (SEA) to Chicago O'Hare International Airport (ORD).
  • Frontier offers 38 connecting flights per week. Frontier flies from Seattle-Tacoma International Airport (SEA) to Chicago Midway International Airport (MDW), Chicago O'Hare International Airport (ORD).
The number of connecting flights refers to distinct flights with at least one stop between Seattle and Chicago.
The cheapest round-trip flight from Seattle to Chicago recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Southwest from $109.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Seattle to Chicago is $217, flying from Apr 16 to Apr 22.
  • The cheapest Delta flight from Seattle to Chicago is $237, flying from Apr 16 to Apr 22.
  • The cheapest Alaska flight from Seattle to Chicago is $217, flying from Apr 23 to Apr 30.
  • The cheapest United flight from Seattle to Chicago is $217, flying from Apr 16 to Apr 22.
  • The cheapest American flight from Seattle to Chicago is $217, flying from Apr 16 to Apr 22.
  • The cheapest Frontier flight from Seattle to Chicago is $210, flying from Apr 23 to Apr 29.
Southwest, Alaska, United, American and Delta fly direct from Seattle to Chicago.
  • There are 14 Southwest direct flights from Seattle to Chicago per week. Flights are available every day.
  • There are 14 Delta direct flights from Seattle to Chicago per week. Flights are available every day.
  • There are 25 Alaska direct flights from Seattle to Chicago per week. Flights are available every day.
  • There are 21 United direct flights from Seattle to Chicago per week. Flights are available every day.
  • There are 20 American direct flights from Seattle to Chicago per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Seattle and Chicago at price $507 is offered by Southwest from Thu, Mar 19 to Sun, Mar 22.
Southwest, Alaska, United, American and Delta fly direct from Seattle to Chicago.
  • There are 14 Southwest direct flights from Seattle to Chicago per week. Flights are available every day.
  • There are 14 Delta direct flights from Seattle to Chicago per week. Flights are available every day.
  • There are 25 Alaska direct flights from Seattle to Chicago per week. Flights are available every day.
  • There are 21 United direct flights from Seattle to Chicago per week. Flights are available every day.
  • There are 20 American direct flights from Seattle to Chicago per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Seattle to Chicago on a daily basis.
The cheapest direct (nonstop) round-trip flights between Seattle and Chicago start at $217 from Thu, Apr 16 to Wed, Apr 22 with Southwest.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Seattle to Chicago, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Seattle and Chicago start at $448 from Thu, Apr 23 to Wed, Apr 29 with Frontier.
The cheapest economy class round-trip flights between Seattle and Chicago start at $210 from Thu, Apr 16 to Fri, Apr 24.
To book business class trips from Seattle to Chicago, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Seattle and Chicago starts at $507 from Thu, Mar 19 to Sun, Mar 22 with Southwest.
The cheapest last-minute deal between Seattle and Chicago at price $507 is offered by Southwest from Thu, Mar 19 to Sun, Mar 22.
To find last-minute flight deals from Seattle to Chicago, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

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