S$116 Cheap Flights from Chicago to Seattle

View S$116 flight on Sat, 30 Aug, 2025Opens in a new window

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

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Cheap Flights from Chicago to Seattle (ORD-SEA)

Prices were available within the past 7 days and start at S$116 for one-way flights and S$243 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 23 Aug - Sat, 30 Aug
ORD
Chicago
SEA
Seattle
S$243 Return, found 2 days ago
S$243
Return
found 2 days ago
Select Delta flight, departing Sat, 23 Aug from Chicago to Seattle, returning Sat, 30 Aug, priced at S$243 found 2 days ago
Delta
Mon, 11 Aug - Wed, 13 Aug
ORD
Chicago
SEA
Seattle
S$282 Return, found 4 days ago
S$282
Return
found 4 days ago
Select Delta flight, departing Mon, 11 Aug from Chicago to Seattle, returning Wed, 13 Aug, priced at S$282 found 4 days ago
United
Sat, 23 Aug - Sat, 30 Aug
ORD
Chicago
SEA
Seattle
S$295 Return, found 2 days ago
S$295
Return
found 2 days ago
Select United flight, departing Sat, 23 Aug from Chicago to Seattle, returning Sat, 30 Aug, priced at S$295 found 2 days ago
Delta
Sat, 23 Aug - Sat, 30 Aug
ORD
Chicago
SEA
Seattle
S$301 Return, found 2 days ago
S$301
Return
found 2 days ago
Select Delta flight, departing Sat, 23 Aug from Chicago to Seattle, returning Sat, 30 Aug, priced at S$301 found 2 days ago
Delta
Thu, 7 Aug - Wed, 13 Aug
ORD
Chicago
SEA
Seattle
S$319 Return, found 5 days ago
S$319
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug from Chicago to Seattle, returning Wed, 13 Aug, priced at S$319 found 5 days ago
Delta
Wed, 27 Aug - Sun, 31 Aug
ORD
Chicago
SEA
Seattle
S$325 Return, found 3 days ago
S$325
Return
found 3 days ago
Select Delta flight, departing Wed, 27 Aug from Chicago to Seattle, returning Sun, 31 Aug, priced at S$325 found 3 days ago
American Airlines
Sat, 23 Aug - Sat, 30 Aug
ORD
Chicago
SEA
Seattle
S$333 Return, found 2 days ago
S$333
Return
found 2 days ago
Select American Airlines flight, departing Sat, 23 Aug from Chicago to Seattle, returning Sat, 30 Aug, priced at S$333 found 2 days ago
United
Sat, 23 Aug - Sat, 30 Aug
ORD
Chicago
SEA
Seattle
S$334 Return, found 2 days ago
S$334
Return
found 2 days ago
Select United flight, departing Sat, 23 Aug from Chicago to Seattle, returning Sat, 30 Aug, priced at S$334 found 2 days ago
American Airlines
Thu, 28 Aug - Thu, 4 Sep
ORD
Chicago
PAE
Seattle
S$1,025 Return, found 2 days ago
S$1,025
Return
found 2 days ago
Select American Airlines flight, departing Thu, 28 Aug from Chicago to Seattle, returning Thu, 4 Sep, priced at S$1,025 found 2 days ago
United
Thu, 28 Aug - Thu, 4 Sep
ORD
Chicago
PAE
Seattle
S$1,067 Return, found 2 days ago
S$1,067
Return
found 2 days ago
Select United flight, departing Thu, 28 Aug from Chicago to Seattle, returning Thu, 4 Sep, priced at S$1,067 found 2 days 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$213 per traveller.

Graph displaying average flight prices per month

Chicago to Seattle route information
Origin airport
O'Hare Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
S$243
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$243. 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.

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