S$116 Cheap Flights from Seattle to Chicago

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

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

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Cheap Flights from Seattle to Chicago (SEA-ORD)

Prices were available within the past 7 days and start at S$116 for one-way flights and S$237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 30 Aug - Sat, 6 Sep
SEA
Seattle
ORD
Chicago
S$237 Return, found 5 days ago
S$237
Return
found 5 days ago
Select Delta flight, departing Sat, 30 Aug from Seattle to Chicago, returning Sat, 6 Sep, priced at S$237 found 5 days ago
Delta
Wed, 27 Aug - Sun, 31 Aug
SEA
Seattle
ORD
Chicago
S$238 Return, found 3 days ago
S$238
Return
found 3 days ago
Select Delta flight, departing Wed, 27 Aug from Seattle to Chicago, returning Sun, 31 Aug, priced at S$238 found 3 days ago
Delta
Tue, 2 Sep - Tue, 9 Sep
SEA
Seattle
ORD
Chicago
S$244 Return, found 2 days ago
S$244
Return
found 2 days ago
Select Delta flight, departing Tue, 2 Sep from Seattle to Chicago, returning Tue, 9 Sep, priced at S$244 found 2 days ago
Delta
Fri, 19 Sep - Sun, 21 Sep
SEA
Seattle
ORD
Chicago
S$280 Return, found 14 hours ago
S$280
Return
found 14 hours ago
Select Delta flight, departing Fri, 19 Sep from Seattle to Chicago, returning Sun, 21 Sep, priced at S$280 found 14 hours ago
Delta
Sat, 30 Aug - Sat, 6 Sep
SEA
Seattle
ORD
Chicago
S$295 Return, found 5 days ago
S$295
Return
found 5 days ago
Select Delta flight, departing Sat, 30 Aug from Seattle to Chicago, returning Sat, 6 Sep, priced at S$295 found 5 days ago
United
Wed, 27 Aug - Sun, 31 Aug
SEA
Seattle
ORD
Chicago
S$296 Return, found 3 days ago
S$296
Return
found 3 days ago
Select United flight, departing Wed, 27 Aug from Seattle to Chicago, returning Sun, 31 Aug, priced at S$296 found 3 days ago
Delta
Sat, 30 Aug - Sat, 6 Sep
SEA
Seattle
ORD
Chicago
S$301 Return, found 5 days ago
S$301
Return
found 5 days ago
Select Delta flight, departing Sat, 30 Aug from Seattle to Chicago, returning Sat, 6 Sep, priced at S$301 found 5 days ago
Delta
Tue, 2 Sep - Tue, 9 Sep
SEA
Seattle
ORD
Chicago
S$302 Return, found 2 days ago
S$302
Return
found 2 days ago
Select Delta flight, departing Tue, 2 Sep from Seattle to Chicago, returning Tue, 9 Sep, priced at S$302 found 2 days ago
American Airlines
Wed, 27 Aug - Sun, 31 Aug
SEA
Seattle
ORD
Chicago
S$353 Return, found 3 days ago
S$353
Return
found 3 days ago
Select American Airlines flight, departing Wed, 27 Aug from Seattle to Chicago, returning Sun, 31 Aug, priced at S$353 found 3 days ago
Hawaiian Airlines
Sat, 26 Jul - Tue, 5 Aug
SEA
Seattle
ORD
Chicago
S$542 Return, found 6 days ago
S$542
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, 26 Jul from Seattle to Chicago, returning Tue, 5 Aug, priced at S$542 found 6 days ago

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

November is typically the cheapest month to fly

From S$124 - S$447 per traveller.

Graph displaying average flight prices per month

Seattle to Chicago route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$236
Distance
2745 km
Average flight time
6 hours 2 mins

Flights from Seattle to Chicago

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

The earliest flight leaves Seattle Tacoma Intl. Airport at 00:35 and arrives at O'Hare Intl. Airport at 04:50. The last flight of the day departs Seattle at 23:59 and arrives at Chicago at 23:59.

The flight distance from Seattle to Chicago is about 2776 km, the shortest flight is 03 hours 38 minutes with United Airlines.

Expedia lets you search across the largest number of airlines and Chicago 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 Seattle Chicago 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 Seattle to Chicago trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Chicago 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 Seattle to Chicago 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 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 S$237. 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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