￥13,610 Cheap Flights from Seattle (SEA) to Chicago (ORD)

View ￥13,610 flight on Tue, Sep 2, 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 ￥13,610 for one-way flights and ￥27,210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 6 - Tue, Aug 12
SEA
Seattle
ORD
Chicago
￥27,210 Roundtrip, found 6 days ago
￥27,210
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Aug 6 from Seattle to Chicago, returning Tue, Aug 12, priced at ￥27,210 found 6 days ago
American Airlines
Wed, Aug 6 - Tue, Aug 12
SEA
Seattle
ORD
Chicago
￥27,220 Roundtrip, found 6 days ago
￥27,220
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Aug 6 from Seattle to Chicago, returning Tue, Aug 12, priced at ￥27,220 found 6 days ago
American Airlines
Wed, Aug 27 - Sat, Aug 30
SEA
Seattle
ORD
Chicago
￥27,490 Roundtrip, found 2 days ago
￥27,490
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Aug 27 from Seattle to Chicago, returning Sat, Aug 30, priced at ￥27,490 found 2 days ago
Delta
Sat, Aug 16 - Sat, Aug 23
SEA
Seattle
ORD
Chicago
￥30,710 Roundtrip, found 2 hours ago
￥30,710
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Aug 16 from Seattle to Chicago, returning Sat, Aug 23, priced at ￥30,710 found 2 hours ago
American Airlines
Wed, Apr 22 - Thu, Apr 23
SEA
Seattle
ORD
Chicago
￥31,790 Roundtrip, found 3 days ago
￥31,790
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Apr 22 from Seattle to Chicago, returning Thu, Apr 23, priced at ￥31,790 found 3 days ago
Delta
Wed, Aug 13 - Fri, Sep 26
SEA
Seattle
ORD
Chicago
￥31,900 Roundtrip, found 2 days ago
￥31,900
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Aug 13 from Seattle to Chicago, returning Fri, Sep 26, priced at ￥31,900 found 2 days ago
American Airlines
Wed, Aug 6 - Tue, Aug 12
SEA
Seattle
ORD
Chicago
￥33,560 Roundtrip, found 6 days ago
￥33,560
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Aug 6 from Seattle to Chicago, returning Tue, Aug 12, priced at ￥33,560 found 6 days ago
United
Wed, Aug 6 - Tue, Aug 12
SEA
Seattle
ORD
Chicago
￥33,780 Roundtrip, found 6 days ago
￥33,780
Roundtrip
found 6 days ago
Select United flight, departing Wed, Aug 6 from Seattle to Chicago, returning Tue, Aug 12, priced at ￥33,780 found 6 days ago
American Airlines
Wed, Aug 27 - Sat, Aug 30
SEA
Seattle
ORD
Chicago
￥34,050 Roundtrip, found 2 days ago
￥34,050
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Aug 27 from Seattle to Chicago, returning Sat, Aug 30, priced at ￥34,050 found 2 days ago
Delta
Thu, Jul 31 - Tue, Aug 5
SEA
Seattle
ORD
Chicago
￥34,910 Roundtrip, found 2 days ago
￥34,910
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Jul 31 from Seattle to Chicago, returning Tue, Aug 5, priced at ￥34,910 found 2 days ago

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

November is typically the cheapest month to fly

From ￥13,948 - ￥53,884 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to Chicago (ORD)
Origin airport
Seattle - Tacoma Intl.
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
￥27,210
Distance
2745 km
Average flight time
6 hours 2 mins

Frequently asked questions

How much is a flight from Sea-Tac Airport to ORD?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from Sea-Tac Airport to O'Hare Intl. Airport (ORD) was ￥27,210. Cheap fares don't last forever, so make sure you book yours ASAP. 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 to O'Hare Intl. Airport (ORD)?
This can vary between airlines, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where there are easy instructions on how to cancel your flight online.
How do I find cheap flights from Sea-Tac Airport 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 SEA to O'Hare Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to O'Hare Airport?
The flight time from Sea-Tac Airport to ORD is about 4 hours. Put your earphones in, listen to a gripping podcast and the hours in the air will fly by.
How far is the flight from Sea-Tac Airport to O'Hare Airport?
Around 2,800 kilometers separates SeaTac and Chicago, so pack some in-flight entertainment to help you fill in a few hours. That latest bestseller you haven't started will do the trick.
Which airlines fly direct from Sea-Tac Airport to ORD?
Check out the deals on offer with these popular carriers and lock in your fare from Sea-Tac Airport to O'Hare Intl. Airport (ORD) today:
  • Alaska Airlines - (AS) with 191 monthly flights
  • United Airlines - (UA) with 160 monthly flights
  • American Airlines - (AA) with 78 monthly flights
  • Delta Air Lines - (DL) with 69 monthly flights

Are Seattle - Tacoma Intl. Airport (SEA) to O'Hare Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from SEA to O'Hare Intl. Airport (ORD) at the last minute could save you some serious cash. However, it could end up costing a great deal more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

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