Cheap Flights from Chicago to Seattle
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Flights from Chicago to Seattle
Cheapest airlines flights from Chicago to Seattle
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Find cheap flights from Chicago to Seattle
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
ORD 17:584h 37mNonstopSEA 20:35Chicago - Seattle | Tue, Jun 3 | Hawaiian Airlines
SEA 17:554h 4mNonstopORD 23:59Seattle - Chicago | Tue, Jun 10 | Hawaiian AirlinesUS$118 US$20542% OFF42% OFFUS$205 US$118 -
ORD 06:004h 27mNonstopSEA 08:27Chicago - Seattle | Sat, May 31 | Hawaiian Airlines
SEA 17:554h 4mNonstopORD 23:59Seattle - Chicago | Sat, Jun 7 | Hawaiian AirlinesUS$118 US$20542% OFF42% OFFUS$205 US$118
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ORD 06:004h 27mNonstopSEA 08:27Chicago - Seattle | Sat, May 31 | Alaska Airlines
SEA 16:194h 4mNonstopORD 22:23Seattle - Chicago | Sat, Jun 7 | Hawaiian AirlinesUS$119 US$20542% OFF42% OFFUS$205 US$119 -
ORD 17:584h 37mNonstopSEA 20:35Chicago - Seattle | Tue, Jun 3 | Alaska Airlines
SEA 23:404hNonstopORD 05:40Seattle - Chicago | Tue, Jun 10 | Hawaiian AirlinesUS$12042% OFFUS$205 US$120
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ORD 14:254h 32mNonstopSEA 16:57Chicago - Seattle | Tue, Jun 3 | Delta Air Lines
SEA 18:004h 3mNonstopORD 00:03Seattle - Chicago | Tue, Jun 10 | Delta Air LinesUS$12240% OFFUS$205 US$122 -
ORD 08:004h 27mNonstopSEA 10:27Chicago - Seattle | Wed, May 28 | Alaska Airlines
SEA 23:404hNonstopORD 05:40Seattle - Chicago | Sat, May 31 | Hawaiian AirlinesUS$12240% OFFUS$205 US$122
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ORD 08:004h 27mNonstopSEA 10:27Chicago - Seattle | Wed, May 28 | Hawaiian Airlines
SEA 16:194h 4mNonstopORD 22:23Seattle - Chicago | Sat, May 31 | Alaska AirlinesUS$12340% OFFUS$205 US$123
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ORD 18:594h 43mNonstopSEA 21:42Chicago - Seattle | Sat, Jun 7 | Delta Air Lines
SEA 18:004h 3mNonstopORD 00:03Seattle - Chicago | Wed, Jun 11 | Delta Air LinesUS$12340% OFFUS$205 US$123
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ORD 19:514h 39mNonstopSEA 22:30Chicago - Seattle | Sat, Jun 7 | Hawaiian Airlines
SEA 23:404hNonstopORD 05:40Seattle - Chicago | Wed, Jun 11 | Hawaiian AirlinesUS$16221% OFFUS$205 US$162
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ORD 17:584h 37mNonstopSEA 20:35Chicago - Seattle | Sat, Jun 7 | Alaska Airlines
SEA 17:554h 4mNonstopORD 23:59Seattle - Chicago | Wed, Jun 11 | Hawaiian AirlinesUS$16221% OFFUS$205 US$162
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CHI 13:0017h 25m1 stopsSEA Invalid DateChicago - Seattle | Thu, May 22 | Normal Airline
SEA 15:006hNonstopCHI 16:00Seattle - Chicago | Sat, May 24 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
ORD 06:004h 27mNonstopSEA 08:27Chicago - Seattle | Wed, Jun 11 | Hawaiian AirlinesUS$59 US$17466% OFF66% OFFUS$174 US$59
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ORD 06:004h 27mNonstopSEA 08:27Chicago - Seattle | Wed, Jun 11 | Alaska AirlinesUS$61 US$17465% OFF65% OFFUS$174 US$61
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ORD 06:004h 27mNonstopSEA 08:27Chicago - Seattle | Sat, May 31 | Hawaiian AirlinesUS$81 US$17454% OFF54% OFFUS$174 US$81
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ORD 06:004h 37mNonstopSEA 08:37Chicago - Seattle | Wed, Jun 25 | Hawaiian AirlinesUS$8253% OFFUS$174 US$82
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ORD 06:004h 27mNonstopSEA 08:27Chicago - Seattle | Sat, Jun 7 | Hawaiian AirlinesUS$8353% OFFUS$174 US$83
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ORD 06:004h 27mNonstopSEA 08:27Chicago - Seattle | Sat, May 31 | Alaska AirlinesUS$8452% OFFUS$174 US$84
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ORD 06:004h 27mNonstopSEA 08:27Chicago - Seattle | Wed, May 28 | Hawaiian AirlinesUS$8750% OFFUS$174 US$87
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ORD 06:004h 27mNonstopSEA 08:27Chicago - Seattle | Tue, Jun 3 | Hawaiian AirlinesUS$11137% OFFUS$174 US$111
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ORD 19:514h 39mNonstopSEA 22:30Chicago - Seattle | Tue, Jun 3 | Alaska AirlinesUS$11236% OFFUS$174 US$112
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ORD 14:254h 32mNonstopSEA 16:57Chicago - Seattle | Wed, May 28 | Delta Air LinesUS$13821% OFFUS$174 US$138
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CHI 13:0017h 25m1 stopsSEA Invalid DateChicago - Seattle | Thu, May 22 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Chicago to Seattle Flight Information
| Cheapest one-way flight price | $58 |
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| Cheapest round-trip ticket price | $117 |
| Off-season for travel | March |
| Peak season for travel | February |
| Flight distance | 2,785.86 km |
| Average flight time | 5 hours 20 minutes |
| Popular airline | American Airlines |
When is the cheapest time to book flights from Chicago to Seattle?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Chicago (CHI) to Seattle (SEA) the cheapest?
Airlines adjust prices for flights from Chicago to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Chicago (CHI) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around $274. -
How long does it take to fly from Chicago (CHI) to Seattle (SEA) and what is the distance?
It takes around 5 hours 20 minutes to fly from Chicago (CHI) to Seattle (SEA). -
What are the most popular airlines that fly from Chicago (CHI) to Seattle (SEA)?
Airlines with flights from Chicago (CHI) to Seattle (SEA): Aer Lingus, American Airlines, Air Tahiti Nui, Qatar Airways, Iberia, Scandinavian Airlines, United Airlines, avianca, Finnair, Hawaiian Airlines, Gulf Air and Delta Air Lines.
How to find a cheap flight from Chicago to Seattle
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to Seattle. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest Chicago to Seattle ticket.
Tap "Date" on flight search bar to scan through the calender for Chicago to Seattle airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Wed, Jun 11 at US$59 for one-way flights.
Compare cheap Chicago to Seattle flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Chicago to Seattle. The cheapest airline operating is Hawaiian Airlines.
Set up a Price Alert
By setting up a Price Alert for your Chicago to Seattle route, you can easily track the price of your airline tickets from Chicago to Seattle without manually checking every day.
Don't miss cheap Chicago to Seattle flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Chicago to Seattle to get exclusive deals for you.
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