￥20,300 Cheap Flights from Seattle (SEA) to Chicago (ORD)

View ￥20,300 flight on Wed, May 20, 2026Opens 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 ￥20,300 for one-way flights and ￥45,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, May 2 - Wed, May 20
SEA
Seattle
ORD
Chicago
￥45,300 Roundtrip, found 1 hour ago
￥45,300
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, May 2 from Seattle to Chicago, returning Wed, May 20, priced at ￥45,300 found 1 hour ago
Delta
Wed, May 6 - Tue, May 19
SEA
Seattle
ORD
Chicago
￥45,560 Roundtrip, found 1 hour ago
￥45,560
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, May 6 from Seattle to Chicago, returning Tue, May 19, priced at ￥45,560 found 1 hour ago
Delta
Sat, Apr 25 - Tue, May 12
SEA
Seattle
ORD
Chicago
￥48,570 Roundtrip, found 1 hour ago
￥48,570
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Apr 25 from Seattle to Chicago, returning Tue, May 12, priced at ￥48,570 found 1 hour ago
American Airlines
Thu, Apr 23 - Wed, Apr 29
SEA
Seattle
ORD
Chicago
￥48,700 Roundtrip, found 3 days ago
￥48,700
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Apr 23 from Seattle to Chicago, returning Wed, Apr 29, priced at ￥48,700 found 3 days ago
Alaska Airlines
Thu, Apr 23 - Wed, Apr 29
SEA
Seattle
ORD
Chicago
￥48,810 Roundtrip, found 3 days ago
￥48,810
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Apr 23 from Seattle to Chicago, returning Wed, Apr 29, priced at ￥48,810 found 3 days ago
American Airlines
Thu, Apr 23 - Wed, Apr 29
SEA
Seattle
ORD
Chicago
￥50,270 Roundtrip, found 3 days ago
￥50,270
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Apr 23 from Seattle to Chicago, returning Wed, Apr 29, priced at ￥50,270 found 3 days ago
American Airlines
Thu, Apr 23 - Wed, Apr 29
SEA
Seattle
ORD
Chicago
￥50,380 Roundtrip, found 3 days ago
￥50,380
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Apr 23 from Seattle to Chicago, returning Wed, Apr 29, priced at ￥50,380 found 3 days ago
Delta
Thu, Apr 23 - Wed, Apr 29
SEA
Seattle
ORD
Chicago
￥50,420 Roundtrip, found 3 days ago
￥50,420
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Apr 23 from Seattle to Chicago, returning Wed, Apr 29, priced at ￥50,420 found 3 days ago
Delta
Wed, May 20 - Thu, Jun 4
SEA
Seattle
ORD
Chicago
￥51,580 Roundtrip, found 1 hour ago
￥51,580
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, May 20 from Seattle to Chicago, returning Thu, Jun 4, priced at ￥51,580 found 1 hour ago
Delta
Thu, Apr 30 - Wed, May 6
SEA
Seattle
ORD
Chicago
￥51,710 Roundtrip, found 5 days ago
￥51,710
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Apr 30 from Seattle to Chicago, returning Wed, May 6, priced at ￥51,710 found 5 days ago

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city center is 23 minutes. Flights from ￥48,570
ORD
O'Hare Intl.
Cheapest
Average driving time to city center23 min
Flights from ￥48,570

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

April is typically the cheapest month to fly

From ￥28,735 - ￥57,818 per traveler.

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 ￥45,300. 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.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
￥40,610
Distance
2745 km
Average flight time
6 hours 6 mins

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