Cheap Flights from Seattle (SEA) to Chicago (ORD)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Chicago O'Hare International Airport (ORD)

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Cheap Flights from Seattle (SEA) to Chicago (ORD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Delta
Hawaiian Airlines
Alaska Airlines
Alaska Airlines
Delta
Hawaiian Airlines
American Airlines
United

Find the cheapest month to fly from Seattle (SEA) to Chicago (ORD)

November is typically the cheapest month to fly

From AU$148 - AU$534 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Chicago route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
O'Hare Intl.
Return price
AU$279
Distance
2745 km
Average flight time
6 hours 2 mins

Your quick guide to flights from Seattle to Chicago

Pick up great flights from Seattle to Chicago

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Seattle to Chicago. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Chicago that take around hours.

Find cheap flights from Seattle to Chicago

From the great flight deals with prices currently ranging from AU$279 to AU$468, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Chicago around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Chicago is normally in October.

Reasons to book your flight from Seattle to Chicago with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Chicago across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Chicago right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to O'Hare Intl. Airport (ORD)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from Seattle - Tacoma Intl. Airport (SEA) to ORD was AU$279. Fares this good don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to ORD?
The majority of flights can be cancelled online, but each airline has a different set of terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to O'Hare Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to O'Hare Intl. Airport (ORD) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to ORD?
The flight distance between Sea-Tac Airport and O'Hare Airport is 2 800 kilometres. Pack yourself a drink, a few snacks and something to read. Keep yourself entertained and the hours will fly by.
Which airlines fly direct from SEA to O'Hare Airport?
You have lots of choice when travelling from Seattle - Tacoma Intl. Airport (SEA) to O'Hare Intl. Airport (ORD). Lock in your ticket with one of these top airlines:

  • Alaska Airlines - (AS) with 134 monthly flights
  • United Airlines - (UA) with 117 monthly flights
  • Delta Air Lines - (DL) with 69 monthly flights
  • American Airlines - (AA) with 60 monthly flights

Are Seattle - Tacoma Intl. Airport (SEA) to O'Hare Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally nab a bargain, with some of the cheapest fares from Sea-Tac Airport to O'Hare Intl. Airport (ORD) showing up a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not every airline advertises prices that far in advance.

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Seattle Airports

Seattle Paine Field Intl. Airport

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