RM718 Cheap Flights from Seattle (SEA) to Chicago (ORD)

View RM718 flight on Sat, 23 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 RM718 for one-way flights and RM1,516 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 8 Aug - Tue, 12 Aug
SEA
Seattle
ORD
Chicago
RM1,516 Return, found 20 hours ago
RM1,516
Return
found 20 hours ago
Select United flight, departing Fri, 8 Aug from Seattle to Chicago, returning Tue, 12 Aug, priced at RM1,516 found 20 hours ago
Delta
Sat, 2 Aug - Tue, 5 Aug
SEA
Seattle
ORD
Chicago
RM1,598 Return, found 1 day ago
RM1,598
Return
found 1 day ago
Select Delta flight, departing Sat, 2 Aug from Seattle to Chicago, returning Tue, 5 Aug, priced at RM1,598 found 1 day ago
United
Fri, 8 Aug - Tue, 12 Aug
SEA
Seattle
ORD
Chicago
RM1,660 Return, found 20 hours ago
RM1,660
Return
found 20 hours ago
Select United flight, departing Fri, 8 Aug from Seattle to Chicago, returning Tue, 12 Aug, priced at RM1,660 found 20 hours ago
United
Fri, 8 Aug - Tue, 12 Aug
SEA
Seattle
ORD
Chicago
RM1,686 Return, found 20 hours ago
RM1,686
Return
found 20 hours ago
Select United flight, departing Fri, 8 Aug from Seattle to Chicago, returning Tue, 12 Aug, priced at RM1,686 found 20 hours ago
United
Fri, 8 Aug - Tue, 12 Aug
SEA
Seattle
ORD
Chicago
RM1,707 Return, found 20 hours ago
RM1,707
Return
found 20 hours ago
Select United flight, departing Fri, 8 Aug from Seattle to Chicago, returning Tue, 12 Aug, priced at RM1,707 found 20 hours ago
Delta
Fri, 1 Aug - Tue, 5 Aug
SEA
Seattle
ORD
Chicago
RM1,767 Return, found 1 day ago
RM1,767
Return
found 1 day ago
Select Delta flight, departing Fri, 1 Aug from Seattle to Chicago, returning Tue, 5 Aug, priced at RM1,767 found 1 day ago
Delta
Sat, 2 Aug - Tue, 5 Aug
SEA
Seattle
ORD
Chicago
RM1,790 Return, found 1 day ago
RM1,790
Return
found 1 day ago
Select Delta flight, departing Sat, 2 Aug from Seattle to Chicago, returning Tue, 5 Aug, priced at RM1,790 found 1 day ago
Delta
Sat, 2 Aug - Tue, 5 Aug
SEA
Seattle
ORD
Chicago
RM1,808 Return, found 1 day ago
RM1,808
Return
found 1 day ago
Select Delta flight, departing Sat, 2 Aug from Seattle to Chicago, returning Tue, 5 Aug, priced at RM1,808 found 1 day ago
American Airlines
Fri, 8 Aug - Tue, 12 Aug
SEA
Seattle
ORD
Chicago
RM2,018 Return, found 20 hours ago
RM2,018
Return
found 20 hours ago
Select American Airlines flight, departing Fri, 8 Aug from Seattle to Chicago, returning Tue, 12 Aug, priced at RM2,018 found 20 hours ago
Alaska Airlines
Sat, 2 Aug - Mon, 4 Aug
PAE
Seattle
ORD
Chicago
RM5,223 Return, found 1 day ago
RM5,223
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 2 Aug from Seattle to Chicago, returning Mon, 4 Aug, priced at RM5,223 found 1 day ago

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

November is typically the cheapest month to fly

From RM 408 - RM 1,474 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
RM1,516
Distance
2745 km
Average flight time
6 hours 2 mins

Perfect flights from Seattle to Chicago

Your Journey from Seattle to Chicago

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Chicago caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines, Alaska Airlines. Our selection of flights from Seattle - Tacoma Intl. to O'Hare Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seattle to Chicago Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to O'Hare Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM718 and roundtrip prices from RM1,516*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Chicago with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Chicago

Picture yourself stepping off the plane in Chicago and immersing yourself in the unique atmosphere of Chicago. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seattle to Chicago Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Chicago.
 

Beyond the Flight – Exploring Chicago

With Expedia, your adventure extends beyond the flight. Explore Chicago at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seattle to Chicago with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Chicago with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 RM1,516. 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.

Explore a world of travel with Expedia

*Available to Expedia members.