HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$46+ Cheap flights from Seattle (SEA) to O'Hare Intl (ORD)

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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ORD
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

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 Seattle/Tacoma Intl to Chicago O'Hare Intl are usually found in January or February, booked 89 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Seattle to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to O'Hare Intl (ORD). 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 July 25, 2024.

Popular in

July

Cheapest in

January

Round-trip from

$69
(Alaska Airlines)

One-way from

$46
(Cheapflightsfares)
High demand for flights, 23% potential price rise
Search Deals
Best time to find cheap flights, 32% potential price drop
Search Deals
From Seattle/Tacoma Intl to Chicago O'Hare Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Chicago O'Hare Intl
Search Deals

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 30% when planning your travel around this day of the week.

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

Users have found that booking a flight from Seattle to Chicago O'Hare Intl Airport at least 43 days early can save you up to 113% on average compared to booking a flight this week. If booking 43 days before your flight isn’t an option for you, users have found flights from Seattle to Chicago O'Hare Intl Airport for as little as $338 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $598 for flights departing within the next 3 days.

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

Our data shows that February tends to be the cheapest month to fly to Chicago O'Hare Intl Airport from Seattle. Users have commonly found prices around $284 for the month, but tickets can be as low as $69. Due to multiple factors, prepare for potentially higher prices in July.

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

A simple way to save on the total cost of your ticket is to fly from Seattle to Chicago O'Hare Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the morning.

Cheap Seattle to O'Hare Intl flights in July & August 2024

Find cheap flight options from Seattle to O'Hare Intl specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
The lowest fares we've come across on flights traveling from Seattle to Chicago in July and August 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This FareScan deal was found by Cheapflights users on 7/24. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/147:23 pmSEA - ORD
1 stop7h 27mSpirit Airlines
Tue 8/277:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/24$93
This Booking.com deal was found by Cheapflights users on 7/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/147:23 pmSEA - ORD
1 stop14h 54mSpirit Airlines
Tue 8/207:48 amORD - SEA
1 stop12h 29mSpirit Airlines
Deal found 7/24$94
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/217:23 pmSEA - ORD
1 stop7h 27mSpirit Airlines
Wed 8/287:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/24$98
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/217:23 pmSEA - ORD
1 stop7h 27mSpirit Airlines
Tue 8/277:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/24$99
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/203:03 pmSEA - ORD
1 stop11h 47mSpirit Airlines
Tue 8/277:48 amORD - SEA
1 stop9h 30mSpirit Airlines
Deal found 7/24$102
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1310:10 pmSEA - ORD
1 stop12h 07mSpirit Airlines
Tue 8/207:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/23$110
This FareScan deal was found by Cheapflights users on 7/25. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/217:23 pmSEA - ORD
1 stop14h 54mSpirit Airlines
Wed 8/287:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/25$116
This FareScan deal was found by Cheapflights users on 7/24. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1310:10 pmSEA - ORD
1 stop12h 07mSpirit Airlines
Wed 8/287:48 amORD - SEA
1 stop9h 30mSpirit Airlines
Deal found 7/24$121
This FareScan deal was found by Cheapflights users on 7/24. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1310:10 pmSEA - ORD
2 stops19h 41mSpirit Airlines
Wed 8/287:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/24$122

Seattle to O'Hare Intl 2024 flight deals

Discover exclusive flight deals for travel between Seattle and O'Hare Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
The lowest fares we've come across on flights traveling from Seattle to Chicago in July and August 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 9/255:45 pmSEA - ORD
Nonstop4h 03mAlaska Airlines
Sun 9/298:40 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 7/24$69
This FareScan deal was found by Cheapflights users on 7/24. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/147:23 pmSEA - ORD
1 stop7h 27mSpirit Airlines
Tue 8/277:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/24$93
This Booking.com deal was found by Cheapflights users on 7/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/147:23 pmSEA - ORD
1 stop14h 54mSpirit Airlines
Tue 8/207:48 amORD - SEA
1 stop12h 29mSpirit Airlines
Deal found 7/24$94
This Booking.com deal was found by Cheapflights users on 7/25. 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.
Tue 8/273:03 pmSEA - ORD
1 stop11h 47mSpirit Airlines
Wed 8/287:48 amORD - SEA
1 stop12h 29mSpirit Airlines
Deal found 7/25$96
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/217:23 pmSEA - ORD
1 stop7h 27mSpirit Airlines
Wed 8/287:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/24$98
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/217:23 pmSEA - ORD
1 stop7h 27mSpirit Airlines
Tue 8/277:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/24$99
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/203:03 pmSEA - ORD
1 stop11h 47mSpirit Airlines
Tue 8/277:48 amORD - SEA
1 stop9h 30mSpirit Airlines
Deal found 7/24$102
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1310:10 pmSEA - ORD
1 stop12h 07mSpirit Airlines
Tue 8/207:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/23$110
This FareScan deal was found by Cheapflights users on 7/25. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/217:23 pmSEA - ORD
1 stop14h 54mSpirit Airlines
Wed 8/287:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/25$116

Seattle to O'Hare Intl flights leaving soon

Find last-minute flight options from Seattle to O'Hare Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Check out these flights departing soon from Seattle to Chicago. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
This FareScan deal was found by Cheapflights users on 7/23. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/610:10 pmSEA - ORD
1 stop17h 19mSpirit Airlines
Tue 8/1310:52 pmORD - SEA
1 stop21h 25mSpirit Airlines
Deal found 7/23$160
This FareScan deal was found by Cheapflights users on 7/23. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/89:21 pmSEA - ORD
1 stop7h 07mSpirit Airlines
Wed 8/147:48 amORD - SEA
1 stop9h 30mSpirit Airlines
Deal found 7/23$163
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 8/86:07 amSEA - ORD
Nonstop4h 06mAlaska Airlines
Mon 8/123:30 pmORD - SEA
Nonstop4h 38mAlaska Airlines
Deal found 7/24$169
This FareScan deal was found by Cheapflights users on 7/24. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/610:10 pmSEA - ORD
1 stop17h 19mSpirit Airlines
Tue 8/137:01 amORD - SEA
2 stops34h 17mSpirit Airlines
Deal found 7/24$170
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/15:10 amSEA - ORD
1 stop10h 19mSpirit Airlines
Wed 8/147:48 amORD - SEA
1 stop9h 30mSpirit Airlines
Deal found 7/24$176
This FareScan deal was found by Cheapflights users on 7/23. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/610:10 pmSEA - ORD
1 stop17h 19mSpirit Airlines
Tue 8/139:59 pmORD - SEA
2 stops19h 19mSpirit Airlines
Deal found 7/23$179
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/75:10 amSEA - ORD
1 stop10h 19mSpirit Airlines
Wed 8/287:48 amORD - SEA
1 stop8h 15mSpirit Airlines
Deal found 7/24$181
This FareScan deal was found by Cheapflights users on 7/23. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/610:10 pmSEA - ORD
1 stop17h 19mSpirit Airlines
Tue 8/135:42 pmORD - SEA
3 stops23h 36mSpirit Airlines
Deal found 7/23$184
This FareScan deal was found by Cheapflights users on 7/24. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/59:21 pmSEA - ORD
1 stop7h 21mSpirit Airlines
Mon 8/126:31 pmORD - SEA
1 stop28h 43mSpirit Airlines
Deal found 7/24$186

One-way flights to O'Hare Intl from Seattle

Search for one-way flight options from Seattle to O'Hare Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
If you're seeking multiple options on one-way flights from Seattle to Chicago, be sure to check out these deals, which are updated often. Users needing a return flight from Seattle to Chicago should utilize the search form above.
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/283:03 pmSEA - ORD
1 stop11h 47mSpirit Airlines
Deal found 7/24$46
This iWofly deal was found by Cheapflights users on 7/24. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/277:23 pmSEA - ORD
1 stop7h 27mSpirit Airlines
Deal found 7/24$47
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/203:03 pmSEA - ORD
1 stop11h 47mSpirit Airlines
Deal found 7/23$56
This CheapOair deal was found by Cheapflights users on 7/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/207:23 pmSEA - ORD
1 stop14h 54mSpirit Airlines
Deal found 7/24$58
This FareScan deal was found by Cheapflights users on 7/24. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1310:10 pmSEA - ORD
1 stop28h 40mSpirit Airlines
Deal found 7/24$64
This lastminute.com deal was found by Cheapflights users on 7/24. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/147:23 pmSEA - ORD
1 stop14h 54mSpirit Airlines
Deal found 7/24$66
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/147:23 pmSEA - ORD
1 stop14h 54mSpirit Airlines
Deal found 7/24$68
This FareScan deal was found by Cheapflights users on 7/24. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/197:23 pmSEA - ORD
1 stop14h 54mSpirit Airlines
Deal found 7/24$69
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/273:03 pmSEA - ORD
2 stops19h 05mSpirit Airlines
Deal found 7/24$70

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

Customize your flight search to find flights from Seattle to O'Hare Intl 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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$69 - $222

Route

Depart

Return

Price

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 9/25

Nonstop4h 03m

Chicago O'Hare Intl

Sun 9/29

Nonstop4h 34m

$69

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 8/14

1 stop7h 27m

Chicago O'Hare Intl

Tue 8/27

1 stop8h 15m

$93

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 8/14

1 stop14h 54m

Chicago O'Hare Intl

Tue 8/20

1 stop12h 29m

$94

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 8/21

1 stop7h 27m

Chicago O'Hare Intl

Wed 8/28

1 stop8h 15m

$98

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 8/28

1 stop11h 47m

Chicago O'Hare Intl

Sun 9/1

Nonstop4h 34m

$126

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Sat 9/7

1 stop8h 48m

Chicago O'Hare Intl

Sat 9/14

1 stop17h 25m

$141

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Tue 9/10

Nonstop4h 05m

Chicago O'Hare Intl

Thu 9/12

Nonstop4h 33m

$163

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Tue 9/17

Nonstop4h 04m

Chicago O'Hare Intl

Mon 9/23

Nonstop4h 31m

$197

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Fri 8/23

Nonstop4h 00m

Chicago O'Hare Intl

Mon 9/9

Nonstop4h 33m

$222

Flights are sorted by cheapest first

Deals found on 7/24

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to O'Hare Intl. Price data was last updated on July 23, 2024.
Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to O'Hare Intl. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Chicago O'Hare Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Seattle 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.

Temperature and rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature and rainfall totals by month.

CHI

Temperature

23 - 73.4 °F

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated July 25, 2024.
See what other customers who have flown with Alaska Airlines, Spirit Airlines and United Airlines from Seattle to Chicago have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

Alaska Airlines
8.1
Very good
9,365 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

Delta
8.0
Very good
9,630 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

American Airlines
7.3
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

Sun Country Air
7.1
Good
515 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

Related info for your journey

Find useful and relevant information for your journey from Seattle to O'Hare Intl. 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 from for flights from Seattle to Chicago O'Hare Intl?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from Seattle/Tacoma Intl; the airport handles an average of 24 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Seattle airport to Chicago O'Hare Intl. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • Can I find flights from Seattle to Chicago O'Hare Intl Airport for under $100 on Cheapflights?

    Yes, there are multiple flights from Seattle to Chicago O'Hare Intl Airport for under $100. The cheapest flight booked recently is on Alaska Airlines for just $69, but on average you can expect to pay $116.

  • Are there nonstop flights from Seattle to Chicago O'Hare Intl Airport for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to Chicago O'Hare Intl Airport under $200. A good price for a nonstop flight from Seattle to Chicago O'Hare Intl Airport is less than $176.

  • Are there last-minute flights available from Seattle to Chicago O'Hare Intl Airport for under $200?

    There are currently 20+ open flights from Seattle to Chicago O'Hare Intl Airport within the next 7 days for less than $200.

  • What days are nonstop flights available from Seattle to Chicago O'Hare Intl Airport?

    Nonstop flights can be found on the following days: Sunday, Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from Seattle to Chicago O'Hare Intl Airport on average per day?

    Per day, 24 flights depart from Seattle to Chicago O'Hare Intl Airport on average.
    Early Morning (Midnight to 6am) - 17% of flight departures
    Morning (6am - Noon) - 67% of flight departures
    Afternoon (Noon - 6pm) - 4% of flight departures
    Evening (6pm - Midnight) - 13% of flight departures

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

    There are many flights that can get you from Seattle to Chicago O'Hare Intl Airport in 4h 03m. Fly via Alaska Airlines, Spirit Airlines, or Frontier to get the fastest option. Seattle and Chicago O'Hare Intl Airport are separated by a distance of 1725 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Alaska Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $69. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Frontier, with the lowest prices starting at $93 and $141, respectively. Alaska Airlines is priced at 76% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $46 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $72 and Delta from $79 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Chicago O'Hare Intl Airport on time: Sun Country Air (100%), Iberia (91%), KLM (87%).

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

    Looking at all options, your cheapest flight can be booked for $119. While the most popular route (Seattle/Tacoma Intl - Chicago O'Hare Intl) can be booked for $93 on average our data indicates $798 when flying from Seattle to Chicago O'Hare Intl Airport.

  • What does SEA to ORD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Chicago O'Hare Intl Airport flight would often be abbreviated as a SEA to ORD flight.

  • Can I find deals for flights from Seattle to O'Hare Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to O'Hare Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to O'Hare Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to O'Hare Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Seattle to O'Hare Intl that allow pets onboard?

    Many airlines flying from Seattle to O'Hare Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to O'Hare Intl?

    Yes, you can often find last-minute deals on Seattle to O'Hare Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Chicago O'Hare Intl Airport flight deals updated?

    The Seattle to Chicago O'Hare Intl Airport flight deals you see on this page were last updated on 7/25.

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

    Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Seattle to Chicago O'Hare Intl Airport.

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

    Currently, February is the cheapest month in which you can book a flight from Seattle to Chicago O'Hare Intl Airport (average of $245). Flying from Seattle to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $308). 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

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.

Alternative routes for Seattle to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.

Seattle to Midway flights
Portland to O'Hare Intl flights
Portland to Midway flights
Spokane to O'Hare Intl flights
Seattle to Rockford flights
Spokane to Midway flights
Pasco to O'Hare Intl flights
Pasco to Midway flights
Portland to Rockford flights
Bellingham to O'Hare Intl flights
Pullman to O'Hare Intl flights
Yakima to O'Hare Intl flights
Wenatchee to O'Hare Intl flights
Spokane to Rockford flights
Walla Walla to O'Hare Intl flights

Top 6 airlines flying from Seattle to O'Hare Intl

Discover the top 6 airlines that operate flights from Seattle to O'Hare Intl. 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$84Average$277FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$87Average$298FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$108Average$328FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$119Average$331FlexibilityNo cancel feeOn-time69%
FrontierCheapest$121Average$174FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$131Average$301FlexibilityNo cancel feeOn-time65%
Los Angeles to Salt Lake City flights
New York to Cancún flights
Philadelphia to Chicago flights
Seattle to New York flights
Boston to Orlando flights
New York John F Kennedy Intl Airport to Orlando flights
USA to Thailand flights
Tampa to Boston flights
Nashville to New York flights
Chicago O'Hare Intl Airport to Phoenix flights
New York to Miami flights
Seattle to Norfolk flights

Search flights from Seattle to O'Hare Intl by cabin class

Find flights from Seattle to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Seattle to O'Hare Intl

Find hourly flight availability from Seattle to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2024.
2%of flight departuresEarly morningMidnight to 6 am
48%of flight departuresMorning6 am to noon
31%of flight departuresAfternoonNoon to 6 pm
19%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Seattle to O'Hare Intl

Explore weekly flight availability from Seattle to O'Hare Intl. 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 July 25, 2024.
Sunday26daily flights
Monday29daily flights
Tuesday18daily flights
Wednesday23daily flights
Thursday25daily flights
Friday29daily flights
Saturday20daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Abha
Flights to Komatsu
Flights to Skardu
Flights to Laayoune Hassan I
Flights to Aqaba King Hussein Intl
Flights to Nampula
Flights to Bourgas
Flights to Riverton
Flights to Alpena Phelps/Collins
Flights to Palmas
Flights to Newport State
Flights to Antofagasta Cerro Moreno
Flights to Nuku‘alofa Fua'Amotu Intl
Flights to Ndola
Flights to Fort Dodge
Flights to Miri
Flights to Rhinelander Oneida County
Flights to Seattle Lake Union Spb
Flights to Portsmouth Pease Intl
Flights to Tumbes
Flights to Jigiga
Flights to Diyarbakir
Flights to Akureyri
Flights to Brainerd Crow Wing County
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.
View all available airlines