Seattle

$90+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SEA
Apr 2 — Apr 91
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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 April or September, booked 42 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$168
(Kiwi.com)

One-way from

$90
(United Airlines)

Popular in

July

Cheapest in

April

Average price

$318

Good round-trip deal

$268 or less

Good one-way deal

$147 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. 17% potential increase in price ($60 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in March 2025
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.

Find 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 March 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Sat 4/266:00 amORD - SEA
Nonstop4h 30mMultiple Airlines
Sat 5/310:48 amSEA - ORD
Nonstop4h 12mMultiple Airlines
Deal found 3/27$168
This Hawaiian Airlines deal was found by Cheapflights users on 3/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:00 amORD - SEA
Nonstop4h 30mHawaiian Airlines
Wed 4/305:58 pmSEA - ORD
Nonstop4h 01mHawaiian Airlines
Deal found 3/28$169
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:36 amORD - SEA
2 stops31h 59mSpirit Airlines
Tue 5/612:30 pmSEA - ORD
1 stop20h 25mSpirit Airlines
Deal found 3/27$173
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 8/318:42 pmORD - SEA
Nonstop4h 40mAlaska Airlines
Sat 9/205:51 pmSEA - ORD
Nonstop4h 08mAlaska Airlines
Deal found 3/26$174
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/237:00 amORD - SEA
1 stop8h 59mUnited Airlines
Tue 4/297:00 amSEA - ORD
Nonstop4h 06mUnited Airlines
Deal found 3/27$175
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/302:50 pmORD - SEA
1 stop11h 00mSouthwest
Wed 5/75:00 amSEA - ORD
1 stop7h 00mSouthwest
Deal found 3/27$194
This Delta deal was found by Cheapflights users on 3/28. 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.
Wed 4/306:25 pmORD - SEA
Nonstop4h 47mDelta
Mon 5/55:55 pmSEA - ORD
Nonstop4h 04mDelta
Deal found 3/28$199
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Wed 4/237:35 amORD - SEA
Nonstop4h 40mAmerican Airlines
Thu 4/242:58 pmSEA - ORD
1 stop7h 42mAmerican Airlines
Deal found 3/28$263
This Frontier deal was found by Cheapflights users on 3/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/47:30 amORD - SEA
1 stop8h 46mFrontier
Fri 4/111:56 pmSEA - ORD
1 stop8h 41mFrontier
Deal found 3/28$268

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 March 28, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Seattle that are best for you.

Fly from

O'Hare Intl

Fly to

Seattle

Route

Depart

Return

Price

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 4/26

6:00 am-8:30 am

Nonstop4h 30m

Seattle/Tacoma Intl

Sat 5/3

10:48 am-5:00 pm

Nonstop4h 12m

$168

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 9/3

7:05 am-9:40 am

Nonstop4h 35m

Seattle/Tacoma Intl

Sat 9/13

11:40 am-5:50 pm

Nonstop4h 10m

$169

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 4/26

9:00 am-11:32 am

Nonstop4h 32m

Seattle/Tacoma Intl

Sat 5/3

5:58 pm-11:59 pm

Nonstop4h 01m

$170

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sun 8/31

8:42 pm-11:22 pm

Nonstop4h 40m

Seattle/Tacoma Intl

Sat 9/20

5:51 pm-11:59 pm

Nonstop4h 08m

$174

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 4/23

7:00 am-1:59 pm

1 stop8h 59m

Seattle/Tacoma Intl

Tue 4/29

7:00 am-1:06 pm

Nonstop4h 06m

$175

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 5/7

9:02 pm-12:10 am

1 stop29h 08m

Seattle/Tacoma Intl

Tue 5/13

3:20 pm-5:25 am

1 stop12h 05m

$184

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 4/23

2:50 pm-11:50 pm

1 stop11h 00m

Seattle/Tacoma Intl

Fri 4/25

2:55 pm-11:05 pm

1 stop6h 10m

$224

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 5/1

8:14 pm-6:02 pm

1 stop23h 48m

Seattle/Tacoma Intl

Mon 5/5

12:21 pm-11:41 pm

1 stop9h 20m

$240

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 5/7

7:35 am-10:15 am

Nonstop4h 40m

Seattle/Tacoma Intl

Mon 5/12

1:10 am-11:08 am

1 stop7h 58m

$264

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 4/29

7:00 am-1:59 pm

1 stop8h 59m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 19 results
1
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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.

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Seattle trip
Airports
ORD

For a quick departure, use the free shuttle train between terminals at ORD, especially if your flight is from a different terminal.

Read more about ORDby Ramsey Qubein
SEA

Take the Link light rail from SEA to downtown Seattle for an inexpensive, 40-minute ride with ample luggage space.

Read more about SEAby Brandon Schultz
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

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.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

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.

Read more

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?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Seattle. Price data was last updated on March 21, 2025.

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 42 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 $238). Flying from Chicago O'Hare Intl Airport to Seattle in July is currently the most expensive (average of $411). 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 March 28, 2025.

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 at noon tend to be the most expensive. A flight in the evening could potentially save you up to 21% 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 March 23, 2025.

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

Weekly flight availability from Chicago O'Hare Intl Airport to Seattle

Explore weekly flight availability from O'Hare Intl to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 28, 2025.

The most flights from ORD to SEA are scheduled on a Friday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 March 28, 2025.
Read through reviews of airlines operating flights from Chicago to Seattle, such as Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
8.0
Very good

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 26 daily inbound flights from Chicago O'Hare Intl from 8 different airlines.

  • 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 Alaska Airlines. Our recent data shows that you can find tickets from as low as $169 on this airline. Additional options worth looking into are Hawaiian Airlines and United Airlines, starting at $170 and $175 round-trip. Users have found that Alaska Airlines is 41% 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 United Airlines ($90), Southwest ($94), and Spirit Airlines ($98).

  • 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 France (92%), Brussels Airlines (83%), Avianca( 82%).

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

    On average you can expect to pay $823 for a flight from Chicago O'Hare Intl Airport to Seattle. The cheapest flight overall is $84 while the most popular route, (Chicago O'Hare Intl - Seattle/Tacoma Intl) is currently priced at $161.

  • 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 $238). Flying from Chicago O'Hare Intl Airport to Seattle in July is currently the most expensive (average of $411). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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Top 7 airlines flying from O'Hare Intl to Seattle

Discover the top 7 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$114Average$283FlexibilityNo cancel feeOn-time85%
FrontierCheapest$118Average$193FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$121Average$240FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$136Average$306FlexibilityNo cancel feeOn-time75%
DeltaCheapest$136Average$281FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$151Average$328FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$167Average$328FlexibilityNo cancel feeOn-time71%
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