NT$2,475 Cheap Flights from Chicago (ORD) to Seattle (SEA)

View NT$2,475 flight on Tue, 2026/3/3Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Seattle

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Cheap Flights from Chicago to Seattle (ORD-SEA)

Prices were available within the past 7 days and start at NT$2,475 for one-way flights and NT$4,950 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 3 - Wed, Mar 18
ORD
Chicago
SEA
Seattle
NT$4,950 Roundtrip, found 3 days ago
NT$4,950
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Mar 3 from Chicago to Seattle, returning Wed, Mar 18, priced at NT$4,950 found 3 days ago
Delta
Tue, Mar 3 - Wed, Mar 18
ORD
Chicago
SEA
Seattle
NT$5,256 Roundtrip, found 3 days ago
NT$5,256
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Mar 3 from Chicago to Seattle, returning Wed, Mar 18, priced at NT$5,256 found 3 days ago
Alaska Airlines
Mon, Jan 19 - Tue, Feb 3
ORD
Chicago
SEA
Seattle
NT$5,541 Roundtrip, found 6 days ago
NT$5,541
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Jan 19 from Chicago to Seattle, returning Tue, Feb 3, priced at NT$5,541 found 6 days ago
Delta
Tue, Mar 3 - Wed, Mar 18
ORD
Chicago
SEA
Seattle
NT$5,562 Roundtrip, found 3 days ago
NT$5,562
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Mar 3 from Chicago to Seattle, returning Wed, Mar 18, priced at NT$5,562 found 3 days ago
Delta
Fri, Jan 16 - Tue, Jan 27
ORD
Chicago
SEA
Seattle
NT$6,179 Roundtrip, found 6 days ago
NT$6,179
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Jan 16 from Chicago to Seattle, returning Tue, Jan 27, priced at NT$6,179 found 6 days ago
Delta
Mon, Jan 12 - Tue, Jan 20
ORD
Chicago
SEA
Seattle
NT$6,217 Roundtrip, found 5 hours ago
NT$6,217
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Jan 12 from Chicago to Seattle, returning Tue, Jan 20, priced at NT$6,217 found 5 hours ago
Delta
Mon, Jan 12 - Tue, Jan 20
ORD
Chicago
SEA
Seattle
NT$6,523 Roundtrip, found 5 hours ago
NT$6,523
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Jan 12 from Chicago to Seattle, returning Tue, Jan 20, priced at NT$6,523 found 5 hours ago
United
Tue, Mar 3 - Wed, Mar 18
ORD
Chicago
SEA
Seattle
NT$6,684 Roundtrip, found 3 days ago
NT$6,684
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from Chicago to Seattle, returning Wed, Mar 18, priced at NT$6,684 found 3 days ago
American Airlines
Sun, Feb 15 - Thu, Feb 19
ORD
Chicago
SEA
Seattle
NT$7,795 Roundtrip, found 22 hours ago
NT$7,795
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Sun, Feb 15 from Chicago to Seattle, returning Thu, Feb 19, priced at NT$7,795 found 22 hours ago
Hawaiian Airlines
Mon, Dec 29 - Sat, Jan 10
ORD
Chicago
SEA
Seattle
NT$23,759 Roundtrip, found 6 days ago
NT$23,759
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, Dec 29 from Chicago to Seattle, returning Sat, Jan 10, priced at NT$23,759 found 6 days ago

Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from NT$9,372
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from NT$9,372
Flights from Chicago (ORD) to Seattle (SEA)
Origin airport
O'Hare Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
NT$4,950
Distance
2745 km
Average flight time
2 hours 44 mins

Chicago to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Chicago to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ORD to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Chicago for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

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 NT$4,950. 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 kilometers. 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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