S$69 Cheap Flights from Chicago to Seattle

View S$69 flight on Tue, 19 Aug, 2025Opens in a new window

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

Cheap Flights from Chicago to Seattle (ORD-SEA)

Prices were available within the past 7 days and start at S$69 for one-way flights and S$136 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 19 Aug - Wed, 20 Aug
ORD
Chicago
SEA
Seattle
S$136 Return, found 5 hours ago
S$136
Return
found 5 hours ago
Select Delta flight, departing Tue, 19 Aug from Chicago to Seattle, returning Wed, 20 Aug, priced at S$136 found 5 hours ago
Delta
Tue, 19 Aug - Wed, 20 Aug
ORD
Chicago
SEA
Seattle
S$150 Return, found 5 hours ago
S$150
Return
found 5 hours ago
Select Delta flight, departing Tue, 19 Aug from Chicago to Seattle, returning Wed, 20 Aug, priced at S$150 found 5 hours ago
Delta
Fri, 22 Aug - Fri, 29 Aug
ORD
Chicago
SEA
Seattle
S$171 Return, found 1 day ago
S$171
Return
found 1 day ago
Select Delta flight, departing Fri, 22 Aug from Chicago to Seattle, returning Fri, 29 Aug, priced at S$171 found 1 day ago
Delta
Tue, 19 Aug - Wed, 20 Aug
ORD
Chicago
SEA
Seattle
S$185 Return, found 5 hours ago
S$185
Return
found 5 hours ago
Select Delta flight, departing Tue, 19 Aug from Chicago to Seattle, returning Wed, 20 Aug, priced at S$185 found 5 hours ago
Delta
Fri, 22 Aug - Fri, 29 Aug
ORD
Chicago
SEA
Seattle
S$189 Return, found 1 day ago
S$189
Return
found 1 day ago
Select Delta flight, departing Fri, 22 Aug from Chicago to Seattle, returning Fri, 29 Aug, priced at S$189 found 1 day ago
United
Tue, 19 Aug - Wed, 20 Aug
ORD
Chicago
SEA
Seattle
S$194 Return, found 5 hours ago
S$194
Return
found 5 hours ago
Select United flight, departing Tue, 19 Aug from Chicago to Seattle, returning Wed, 20 Aug, priced at S$194 found 5 hours ago
Delta
Tue, 19 Aug - Wed, 20 Aug
ORD
Chicago
SEA
Seattle
S$208 Return, found 5 hours ago
S$208
Return
found 5 hours ago
Select Delta flight, departing Tue, 19 Aug from Chicago to Seattle, returning Wed, 20 Aug, priced at S$208 found 5 hours ago
Delta
Fri, 8 Aug - Tue, 12 Aug
ORD
Chicago
SEA
Seattle
S$221 Return, found 1 day ago
S$221
Return
found 1 day ago
Select Delta flight, departing Fri, 8 Aug from Chicago to Seattle, returning Tue, 12 Aug, priced at S$221 found 1 day ago
Delta
Fri, 8 Aug - Tue, 12 Aug
ORD
Chicago
SEA
Seattle
S$229 Return, found 1 day ago
S$229
Return
found 1 day ago
Select Delta flight, departing Fri, 8 Aug from Chicago to Seattle, returning Tue, 12 Aug, priced at S$229 found 1 day ago
American Airlines
Fri, 22 Aug - Fri, 29 Aug
ORD
Chicago
SEA
Seattle
S$299 Return, found 1 day ago
S$299
Return
found 1 day ago
Select American Airlines flight, departing Fri, 22 Aug from Chicago to Seattle, returning Fri, 29 Aug, priced at S$299 found 1 day ago

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

September is typically the cheapest month to fly

From S$119 - S$250 per traveller.

Graph displaying average flight prices per month

Chicago to Seattle route information
Origin airport
O'Hare Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$135
Distance
2745 km
Average flight time
2 hours 36 mins

Flights from Chicago to Seattle

There are several airlines that operate frequent flights from Chicago (ORD) to Seattle (SEA) including

The earliest flight leaves O'Hare Intl. Airport at 06:00 and arrives at Seattle Tacoma Intl. Airport at 01:42. The last flight of the day departs Chicago at 23:35 and arrives at Seattle at 23:05.

The flight distance from Chicago to Seattle is about 2776 km, the shortest flight is 04 hours 22 minutes with United Airlines.

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Chicago Seattle flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chicago to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Chicago to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from O'Hare Intl. Airport (ORD) to Sea-Tac Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey between O'Hare Airport and SEA was S$136. 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 O'Hare Airport to SEA?
We understand that life can throw the odd curveball, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from ORD to Seattle - Tacoma Intl. Airport (SEA) 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 O'Hare Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Intl. Airport (ORD) to Sea-Tac Airport?
The flying distance from ORD to Seattle - Tacoma Intl. Airport (SEA) is 2,800 kilometres. Close your eyes or read a good book and the journey will zip by.
Which airlines fly direct from ORD to Seattle - Tacoma Intl. Airport (SEA)?
It's a breeze to fly directly from O'Hare Intl. Airport (ORD) to Seattle - Tacoma Intl. Airport (SEA). These are the top carriers that operate nonstop services on this route:

  • 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 O'Hare Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some of the cheapest airfares from O'Hare Airport to Sea-Tac Airport showing up a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals continually --- as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines advertise prices that far in advance.

Explore a world of travel with Expedia

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