HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$86+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SEA
Mar 1 — Mar 81
Sat 3/1
Sat 3/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Seattle with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Chicago O'Hare Intl to Seattle/Tacoma Intl are usually found in April or September, booked 34 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 February 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$169
(American Airlines)

One-way from

$86
(CheapOair)

Popular in

July

Cheapest in

April

Average price

$239

Good round-trip deal

$267 or less

Good one-way deal

$148 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Seattle/Tacoma Intl flights.
Search Deals
From Chicago O'Hare Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from Chicago O'Hare Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Seattle/Tacoma Intl.
Search Deals

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 February 24, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 2/24. 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.
Tue 4/15:53 pmORD - SEA
Nonstop4h 41mHawaiian Airlines
Tue 4/2211:59 pmSEA - ORD
Nonstop4h 06mHawaiian Airlines
Deal found 2/24$169
This FlightHub deal was found by Cheapflights users on 2/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2510:01 amORD - SEA
1 stop11h 08mSpirit Airlines
Tue 4/19:48 amSEA - ORD
1 stop18h 54mSpirit Airlines
Deal found 2/23$171
This FlightHub deal was found by Cheapflights users on 2/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1210:12 amORD - SEA
1 stop10h 50mMultiple Airlines
Thu 3/1311:38 amSEA - ORD
1 stop15h 32mMultiple Airlines
Deal found 2/24$173
This CheapOair deal was found by Cheapflights users on 2/23. 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.
Fri 3/146:30 amORD - SEA
1 stop7h 32mFrontier
Mon 3/1711:42 amSEA - ORD
1 stop15h 22mFrontier
Deal found 2/23$175
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Fri 4/47:00 amORD - SEA
1 stop8h 59mUnited Airlines
Wed 4/92:18 pmSEA - ORD
Nonstop4h 07mUnited Airlines
Deal found 2/24$205
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Tue 4/227:35 amORD - SEA
Nonstop4h 40mAmerican Airlines
Mon 4/2812:59 amSEA - ORD
1 stop8h 08mAmerican Airlines
Deal found 2/24$209
This Delta deal was found by Cheapflights users on 2/22. 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.
Mon 4/146:25 pmORD - SEA
Nonstop4h 45mDelta
Sat 5/37:10 amSEA - ORD
Nonstop4h 09mDelta
Deal found 2/22$213
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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.
Fri 3/147:45 amORD - SEA
Nonstop4h 43mAlaska Airlines
Tue 3/186:03 pmSEA - ORD
Nonstop3h 56mAlaska Airlines
Deal found 2/24$219

Find flights from O'Hare Intl to Seattle within your budget

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 February 24, 2025.

Fly from

O'Hare Intl

Fly to

Seattle

Route

Depart

Return

Price

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 4/1

5:53 pm-8:34 pm

Nonstop4h 41m

Seattle/Tacoma Intl

Tue 4/22

11:59 pm-6:05 am

Nonstop4h 06m

$169

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 3/25

10:01 am-7:09 pm

1 stop11h 08m

Seattle/Tacoma Intl

Tue 4/1

9:48 am-6:42 am

1 stop18h 54m

$171

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 3/12

10:12 am-7:02 pm

1 stop10h 50m

Seattle/Tacoma Intl

Thu 3/13

11:38 am-5:10 am

1 stop15h 32m

$173

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 3/14

6:30 am-12:02 pm

1 stop7h 32m

Seattle/Tacoma Intl

Mon 3/17

11:42 am-5:04 am

1 stop15h 22m

$175

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 4/4

7:00 am-1:59 pm

1 stop8h 59m

Seattle/Tacoma Intl

Wed 4/9

2:18 pm-8:25 pm

Nonstop4h 07m

$205

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 4/22

7:35 am-10:15 am

Nonstop4h 40m

Seattle/Tacoma Intl

Tue 4/29

5:22 am-3:21 pm

1 stop7h 59m

$209

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Mon 4/14

6:25 pm-9:10 pm

Nonstop4h 45m

Seattle/Tacoma Intl

Sat 5/3

7:10 am-1:19 pm

Nonstop4h 09m

$213

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 3/14

7:45 am-10:28 am

Nonstop4h 43m

Seattle/Tacoma Intl

Tue 3/18

6:03 pm-11:59 pm

Nonstop3h 56m

$219

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Mon 3/24

7:59 pm-9:30 am

1 stop15h 31m

$86

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 3/26

2:34 pm-8:43 am

1 stop20h 09m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 18 results
1
2

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 February.
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
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
CheapOairPrice 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.

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.

Travel insights for flights from O'Hare Intl to Seattle

Get recent, data-driven insights about flights from O'Hare Intl to Seattle including ideal travel times, pricing trends, and more.

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 February 14, 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 34 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 February 24, 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 February 23, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Seattle flight should consider departing on Tuesday 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 February 24, 2025.

The most flights from ORD to SEA are scheduled on a Sunday (42 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 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 February 24, 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.
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,380 reviews
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,712 reviews
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,174 reviews
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines
7.9
Good
2,312 reviews
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,742 reviews
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 34 daily inbound flights from Chicago O'Hare Intl from 7 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 American Airlines. Our recent data shows that you can find tickets from as low as $169 on this airline. Additional options worth looking into are Spirit Airlines and Frontier, starting at $171 and $175 round-trip. Users have found that American 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 Frontier ($86), Spirit Airlines ($88), and United Airlines ($90).

  • 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 (81%), Royal Jordanian (81%), Turkish Airlines( 75%).

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

    On average you can expect to pay $647 for a flight from Chicago O'Hare Intl Airport to Seattle. The cheapest flight overall is $89 while the most popular route, (Chicago O'Hare Intl - Seattle/Tacoma Intl) is currently priced at $97.

  • 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
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$190FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$121Average$239FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$127Average$305FlexibilityNo cancel feeOn-time75%
DeltaCheapest$130Average$289FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$149Average$334FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$159Average$323FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.