Cheap Flights from Seattle (SEA) to Chicago (ORD) from HK$658~

View HK$658 flight on Sat, 10 May 2025Opens in a new window

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

Prices were available within the past 7 days and start at HK$658 for one-way flights and HK$1,315 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 15 Jul - Wed, 23 Jul
SEA
Seattle
ORD
Chicago
HK$1,315 Return, found 2 hours ago
HK$1,315
Return
found 2 hours ago
Select Delta flight, departing Tue, 15 Jul from Seattle to Chicago, returning Wed, 23 Jul, priced at HK$1,315 found 2 hours ago
Delta
Tue, 15 Jul - Tue, 22 Jul
SEA
Seattle
ORD
Chicago
HK$1,552 Return, found 2 hours ago
HK$1,552
Return
found 2 hours ago
Select Delta flight, departing Tue, 15 Jul from Seattle to Chicago, returning Tue, 22 Jul, priced at HK$1,552 found 2 hours ago
Delta
Tue, 15 Jul - Sat, 26 Jul
SEA
Seattle
ORD
Chicago
HK$1,584 Return, found 2 hours ago
HK$1,584
Return
found 2 hours ago
Select Delta flight, departing Tue, 15 Jul from Seattle to Chicago, returning Sat, 26 Jul, priced at HK$1,584 found 2 hours ago
United
Tue, 23 Sep - Tue, 30 Sep
SEA
Seattle
ORD
Chicago
HK$1,671 Return, found 2 days ago
HK$1,671
Return
found 2 days ago
Select United flight, departing Tue, 23 Sep from Seattle to Chicago, returning Tue, 30 Sep, priced at HK$1,671 found 2 days ago
United
Tue, 23 Sep - Tue, 30 Sep
SEA
Seattle
ORD
Chicago
HK$1,712 Return, found 2 days ago
HK$1,712
Return
found 2 days ago
Select United flight, departing Tue, 23 Sep from Seattle to Chicago, returning Tue, 30 Sep, priced at HK$1,712 found 2 days ago
Delta
Wed, 16 Jul - Tue, 22 Jul
SEA
Seattle
ORD
Chicago
HK$1,788 Return, found 2 hours ago
HK$1,788
Return
found 2 hours ago
Select Delta flight, departing Wed, 16 Jul from Seattle to Chicago, returning Tue, 22 Jul, priced at HK$1,788 found 2 hours ago
Delta
Wed, 16 Jul - Sat, 26 Jul
SEA
Seattle
ORD
Chicago
HK$1,810 Return, found 2 hours ago
HK$1,810
Return
found 2 hours ago
Select Delta flight, departing Wed, 16 Jul from Seattle to Chicago, returning Sat, 26 Jul, priced at HK$1,810 found 2 hours ago
Delta
Sat, 19 Jul - Wed, 23 Jul
SEA
Seattle
ORD
Chicago
HK$1,821 Return, found 2 hours ago
HK$1,821
Return
found 2 hours ago
Select Delta flight, departing Sat, 19 Jul from Seattle to Chicago, returning Wed, 23 Jul, priced at HK$1,821 found 2 hours ago
Delta
Tue, 15 Jul - Thu, 24 Jul
SEA
Seattle
ORD
Chicago
HK$1,896 Return, found 2 hours ago
HK$1,896
Return
found 2 hours ago
Select Delta flight, departing Tue, 15 Jul from Seattle to Chicago, returning Thu, 24 Jul, priced at HK$1,896 found 2 hours ago
American Airlines
Tue, 23 Sep - Tue, 30 Sep
SEA
Seattle
ORD
Chicago
HK$2,014 Return, found 2 days ago
HK$2,014
Return
found 2 days ago
Select American Airlines flight, departing Tue, 23 Sep from Seattle to Chicago, returning Tue, 30 Sep, priced at HK$2,014 found 2 days ago
Seattle to Chicago route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, United
Return price
HK$1,315
Distance
2745 km

Flights from Seattle to Chicago

Book cheap flights from Seattle (SEA) to Chicago (ORD) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Seattle (SEA) to Chicago (ORD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be 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 (SEA) to Chicago (ORD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Chicago flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Chicago and things to do in Chicago for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Chicago more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Chicago is HK$658 now!

 

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 HK$1,315. 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 canceled 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 kilometers. 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 traveling 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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