Seattle

$119+ Cheap flights from O'Hare Intl (ORD) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SEA
may. 23 — may. 301
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Seattle/Tacoma Intl are usually found in January or February, booked 78 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from O'Hare Intl to Seattle

Cheapest flights from O'Hare Intl to Seattle
Explore the most affordable flight options available from O'Hare Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 23, 2026.

This Gotogate deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/39:04 pm
ORD
-
SEA
1 stop23h 31m
Frontier
mié. 6/108:12 pm
SEA
-
ORD
1 stop7h 20m
Frontier
Deal found 4/19$236
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/127:45 pm
ORD
-
SEA
Nonstop4h 44m
American Airlines
mié. 5/203:17 pm
SEA
-
ORD
Nonstop4h 23m
American Airlines
Deal found 4/20$237
This Booking.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/69:37 pm
ORD
-
SEA
1 stop14h 12m
Frontier
dom. 5/1011:06 am
SEA
-
ORD
1 stop17h 33m
Frontier
Deal found 4/19$238
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/167:12 am
ORD
-
SEA
Nonstop4h 35m
Delta
mié. 6/105:30 pm
SEA
-
ORD
Nonstop3h 59m
Delta
Deal found 4/22$240
This CheapOair deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/27:00 am
ORD
-
SEA
1 stop7h 50m
Alaska Airlines
mié. 9/95:48 pm
SEA
-
ORD
Nonstop4h 11m
Alaska Airlines
Deal found 4/21$241
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/126:20 pm
ORD
-
SEA
Nonstop4h 30m
Delta
mié. 6/105:30 pm
SEA
-
ORD
Nonstop3h 59m
Delta
Deal found 4/22$242
This Booking.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/309:37 pm
ORD
-
SEA
1 stop14h 29m
Frontier
sáb. 6/611:21 am
SEA
-
ORD
1 stop16h 43m
Frontier
Deal found 4/20$243
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/209:37 pm
ORD
-
SEA
1 stop14h 29m
Frontier
mar. 6/97:41 pm
SEA
-
ORD
1 stop23h 02m
Frontier
Deal found 4/22$245
This Alaska Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/128:00 am
ORD
-
SEA
Nonstop4h 40m
Alaska Airlines
sáb. 5/1612:45 pm
SEA
-
ORD
Nonstop4h 18m
Alaska Airlines
Deal found 4/22$246
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/68:00 am
ORD
-
SEA
2 stops27h 49m
Multiple Airlines
lun. 5/117:50 pm
SEA
-
ORD
1 stop22h 42m
Multiple Airlines
Deal found 4/20$247
This Trip.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/88:56 pm
ORD
-
SEA
1 stop22h 41m
Frontier
dom. 5/1011:06 am
SEA
-
ORD
1 stop17h 33m
Frontier
Deal found 4/18$248

Find flight deals from O'Hare Intl to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$236
(Gotogate)

One-way from

$119
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$287

Good round-trip deal

$362 or less

Good one-way deal

$196 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Seattle/Tacoma Intl flights.
From Chicago O'Hare Intl to Seattle/Tacoma Intl
One-way flight from Chicago O'Hare Intl to Seattle/Tacoma Intl
Highest demand for flights based on searches. 11% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Chicago O'Hare Intl to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Chicago O'Hare Intl to Seattle/Tacoma Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 23, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

lun. 5/11

8:04 pm-10:47 pm

Nonstop4h 43m

Seattle/Tacoma Intl

mar. 5/19

7:00 am-1:12 pm

Nonstop4h 12m

$249

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

jue. 5/14

2:10 pm-11:18 pm

1 stop11h 08m

Seattle/Tacoma Intl

mié. 5/20

5:42 pm-11:59 pm

Nonstop4h 17m

$298

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

dom. 5/31

7:12 am-9:47 am

Nonstop4h 35m

Seattle/Tacoma Intl

sáb. 6/6

5:45 pm-11:55 pm

Nonstop4h 10m

$314

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mar. 8/11

7:59 pm-9:19 am

1 stop15h 20m

Seattle/Tacoma Intl

mié. 8/19

7:30 am-7:03 pm

1 stop9h 33m

$319

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mié. 5/6

11:55 am-10:30 pm

2 stops12h 35m

Seattle/Tacoma Intl

mié. 5/13

9:20 am-6:50 pm

1 stop7h 30m

$330

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mar. 6/9

6:55 am-9:31 am

Nonstop4h 36m

Seattle/Tacoma Intl

jue. 6/18

9:45 am-6:29 pm

1 stop6h 44m

$331

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

vie. 8/21

1:03 pm-3:41 pm

Nonstop4h 38m

Seattle/Tacoma Intl

mar. 8/25

6:00 am-12:07 pm

Nonstop4h 07m

$355
Quickest round-trip

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

sáb. 6/13

6:55 am-9:31 am

Nonstop4h 36m

Seattle/Tacoma Intl

vie. 6/19

5:30 pm-11:29 pm

Nonstop3h 59m

$355

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

vie. 5/8

6:00 am-8:32 am

Nonstop4h 32m

Seattle/Tacoma Intl

sáb. 5/9

1:28 pm-7:52 pm

Nonstop4h 24m

$355

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mié. 7/29

2:20 pm-11:41 pm

1 stop11h 21m

Seattle/Tacoma Intl

mié. 8/12

6:21 am-6:57 pm

1 stop10h 36m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from O'Hare Intl to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Seattle in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Seattle

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Seattle?

The price you pay for your flight from Chicago O'Hare Intl Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Seattle (average of $228). Flying from Chicago O'Hare Intl Airport to Seattle in June is currently the most expensive (average of $340). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to SEA?

Find hourly flight availability from O'Hare Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 23, 2026.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 11% on airfare.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Seattle. Price data was last updated on April 18, 2026.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Seattle?

The best insider tips for Chicago O'Hare Intl Airport to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Seattle trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated abril 23, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Chicago O'Hare Intl Airport to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Seattle from Chicago O'Hare Intl?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 31 daily inbound flights from Chicago O'Hare Intl from 6 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to Seattle?

    A quick flight from Chicago O'Hare Intl Airport to Seattle can take about 4h 35m. United Airlines provides one of the quickest options available for as low as $314. The distance between Chicago O'Hare Intl Airport and Seattle is about 1715 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Seattle round-trip?

    Our cheapest airline available from Chicago O'Hare Intl Airport to Seattle is Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $84 on this airline. Additional options worth looking into are Delta and Frontier, starting at $111 and $153 round-trip. Users have found that Hawaiian Airlines is 70% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Seattle one-way?

    The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to Seattle are Delta ($83), Hawaiian Airlines ($84), and Frontier ($86).

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Seattle?

    Before booking your flight to Seattle from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Air Tahiti Nui (89%), Scandinavian Airlines (84%), Brussels Airlines( 77%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Seattle?

    On average you can expect to pay $597 for a flight from Chicago O'Hare Intl Airport to Seattle. The cheapest flight overall is $127 while the most popular route, (Chicago O'Hare Intl - Seattle/Tacoma Intl) is currently priced at $225.

  • Can I find deals for flights from O'Hare Intl to Seattle that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Seattle.

  • Can I find deals for business class flights from O'Hare Intl to Seattle?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Seattle (average of $228). Flying from Chicago O'Hare Intl Airport to Seattle in June is currently the most expensive (average of $340). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Kent
Tumwater
Tukwila
Puyallup
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Fife
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Issaquah
Shoreline

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Top 6 airlines flying from O'Hare Intl to Seattle

Discover the top 6 airlines that operate flights from O'Hare Intl to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$84Average$232FlexibilityNo cancel feeOn-time85%
DeltaCheapest$111Average$266FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$153Average$258FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$168Average$295FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$174Average$327FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$177Average$323FlexibilityNo cancel feeOn-time69%

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