$56+ Cheap flights from Chicago (CHI) 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SEA
jul. 23 — jul. 301

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The best prices from Chicago to Seattle/Tacoma Intl are usually found in January or February, booked 29 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Chicago to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 julio 18, 2024.

Popular in

July

Cheapest in

January

Round-trip from

$110
(Travelocity)

One-way from

$56
(Cheapflightsfares)
High demand for flights, 32% potential price rise
Best time to find cheap flights, 33% potential price drop
From Chicago (CHI) to Seattle/Tacoma Intl
One-way flight from Chicago (CHI) to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Chicago to Seattle?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 35% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Chicago to Seattle?

Travelers have found it’s best to book a flight 30 days in advance to save up to 135% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 30 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Chicago to Seattle 1-2 weeks in advance for as low as $322, or $541 for flights within the next 24 hours.

What is the cheapest month to fly from Chicago to Seattle?

Our data shows that January tends to be the cheapest month to fly to Seattle from Chicago. Users have commonly found prices around $267 for the month, but tickets can be as low as $97. Due to multiple factors, prepare for potentially higher prices in July.

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

It’s typically best to fly out from Chicago to Seattle in the afternoon. Doing so could potentially save you 4% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Chicago to Seattle flights in July & August 2024

Find cheap flight options from Chicago to Seattle specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,020 searches. Prices were last updated on julio 18, 2024.
Scroll through some of the best deals on flights from Chicago to Seattle in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This Travelocity deal was found by Cheapflights users on 7/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/146:00 amORD - SEA
Nonstop4h 31mMultiple Airlines
mié. 8/215:45 amSEA - ORD
1 stop11h 03mMultiple Airlines
Deal found 7/17$110
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
lun. 8/266:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
mié. 9/410:44 pmSEA - ORD
Nonstop3h 56mAlaska Airlines
Deal found 7/17$116
This Cheapflightsfares deal was found by Cheapflights users on 7/17. 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.
mar. 8/209:10 amORD - SEA
1 stop17h 00mSpirit Airlines
mié. 8/215:45 amSEA - ORD
1 stop11h 03mSpirit Airlines
Deal found 7/17$118
This CheapOair deal was found by Cheapflights users on 7/17. 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. 8/147:48 amORD - SEA
1 stop9h 30mSpirit Airlines
mié. 8/215:45 amSEA - ORD
1 stop11h 03mSpirit Airlines
Deal found 7/17$119
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
dom. 8/186:00 amORD - SEA
Nonstop4h 31mAlaska Airlines
lun. 8/2610:44 pmSEA - ORD
Nonstop3h 53mAlaska Airlines
Deal found 7/17$121
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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.
lun. 8/266:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
mié. 9/410:44 pmSEA - ORD
Nonstop3h 56mAlaska Airlines
Deal found 7/17$127
This United Airlines deal was found by Cheapflights users on 7/17. 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.
jue. 8/229:25 pmORD - SEA
Nonstop4h 34mUnited Airlines
mar. 8/2712:55 pmSEA - ORD
1 stop9h 45mUnited Airlines
Deal found 7/17$132
This CheapOair deal was found by Cheapflights users on 7/17. 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.
mar. 8/209:10 amORD - SEA
1 stop17h 00mMultiple Airlines
jue. 8/2211:18 amSEA - ORD
1 stop7h 26mMultiple Airlines
Deal found 7/17$133
This FlightNetwork deal was found by Cheapflights users on 7/17. 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 FlightNetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/269:22 amMDW - SEA
1 stop13h 37mFrontier
mié. 9/47:37 pmSEA - MDW
1 stop8h 56mFrontier
Deal found 7/17$134

Chicago to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,020 searches. Data last updated julio 18, 2024.
Scroll through some of the best deals on flights from Chicago to Seattle in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This Travelocity deal was found by Cheapflights users on 7/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/146:00 amORD - SEA
Nonstop4h 31mMultiple Airlines
mié. 8/215:45 amSEA - ORD
1 stop11h 03mMultiple Airlines
Deal found 7/17$110
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
lun. 8/266:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
mié. 9/410:44 pmSEA - ORD
Nonstop3h 56mAlaska Airlines
Deal found 7/17$116
This Cheapflightsfares deal was found by Cheapflights users on 7/17. 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.
mar. 8/209:10 amORD - SEA
1 stop17h 00mSpirit Airlines
mié. 8/215:45 amSEA - ORD
1 stop11h 03mSpirit Airlines
Deal found 7/17$118
This CheapOair deal was found by Cheapflights users on 7/17. 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. 8/147:48 amORD - SEA
1 stop9h 30mSpirit Airlines
mié. 8/215:45 amSEA - ORD
1 stop11h 03mSpirit Airlines
Deal found 7/17$119
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
dom. 8/186:00 amORD - SEA
Nonstop4h 31mAlaska Airlines
lun. 8/2610:44 pmSEA - ORD
Nonstop3h 53mAlaska Airlines
Deal found 7/17$121
This Delta deal was found by Cheapflights users on 7/17. 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.
mié. 9/46:45 pmORD - SEA
Nonstop4h 40mDelta
mar. 9/107:10 amSEA - ORD
Nonstop4h 05mDelta
Deal found 7/17$127
This United Airlines deal was found by Cheapflights users on 7/17. 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.
jue. 8/229:25 pmORD - SEA
Nonstop4h 34mUnited Airlines
mar. 8/2712:55 pmSEA - ORD
1 stop9h 45mUnited Airlines
Deal found 7/17$132
This CheapOair deal was found by Cheapflights users on 7/17. 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.
mar. 8/209:10 amORD - SEA
1 stop17h 00mMultiple Airlines
jue. 8/2211:18 amSEA - ORD
1 stop7h 26mMultiple Airlines
Deal found 7/17$133
This FlightNetwork deal was found by Cheapflights users on 7/17. 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 FlightNetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/269:22 amMDW - SEA
1 stop13h 37mFrontier
mié. 9/47:37 pmSEA - MDW
1 stop8h 56mFrontier
Deal found 7/17$134

Chicago to Seattle flights leaving soon

Find last-minute flight options from Chicago to Seattle 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 2,689,020 searches. Data last updated julio 18, 2024.
Check out these flights departing soon from Chicago to Seattle. Users should examine the flight details to ensure there are no surprises.
This CheapOair deal was found by Cheapflights users on 7/17. 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.
jue. 8/18:08 pmMDW - SEA
1 stop14h 31mFrontier
lun. 8/59:45 pmSEA - MDW
1 stop29h 00mFrontier
Deal found 7/17$153
This Frontier deal was found by Cheapflights users on 7/17. 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.
jue. 8/18:08 pmMDW - SEA
1 stop14h 31mFrontier
vie. 8/98:31 pmSEA - MDW
1 stop12h 42mFrontier
Deal found 7/17$161
This Frontier deal was found by Cheapflights users on 7/16. 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.
sáb. 7/2710:55 pmMDW - SEA
1 stop11h 22mFrontier
jue. 8/19:45 pmSEA - MDW
1 stop11h 43mFrontier
Deal found 7/16$182
This mytrip.com deal was found by Cheapflights users on 7/16. 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.
dom. 7/287:56 pmMDW - SEA
1 stop14h 44mFrontier
jue. 8/19:45 pmSEA - MDW
1 stop11h 43mFrontier
Deal found 7/16$191
This CheapOair deal was found by Cheapflights users on 7/17. 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.
sáb. 7/2710:55 pmMDW - SEA
1 stop11h 22mFrontier
lun. 8/59:45 pmSEA - MDW
1 stop29h 00mFrontier
Deal found 7/17$192
This Frontier deal was found by Cheapflights users on 7/16. 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.
sáb. 7/2710:55 pmMDW - SEA
1 stop11h 22mFrontier
vie. 8/28:31 pmSEA - MDW
1 stop12h 42mFrontier
Deal found 7/16$199
This Frontier deal was found by Cheapflights users on 7/16. 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.
mar. 7/309:45 pmMDW - SEA
1 stop11h 15mFrontier
jue. 8/19:45 pmSEA - MDW
1 stop11h 43mFrontier
Deal found 7/16$201
This Frontier deal was found by Cheapflights users on 7/16. 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.
jue. 7/2510:55 pmMDW - SEA
1 stop10h 10mFrontier
vie. 8/28:31 pmSEA - MDW
1 stop12h 42mFrontier
Deal found 7/16$208
This CheapOair deal was found by Cheapflights users on 7/17. 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.
jue. 8/18:08 pmMDW - SEA
1 stop14h 31mFrontier
mar. 8/68:30 pmSEA - MDW
1 stop13h 44mFrontier
Deal found 7/17$211

One-way flights to Seattle from Chicago

Search for one-way flight options from Chicago to Seattle. 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 2,689,020 searches. Data last updated julio 18, 2024.
Take a look at some of the one-way flights we've detected from Chicago to Seattle. Users needing a return flight from Chicago to Seattle should utilize the search form above.
This Cheapflightsfares deal was found by Cheapflights users on 7/17. 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.
mar. 8/209:10 amORD - SEA
1 stop17h 00mSpirit Airlines
Deal found 7/17$56
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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.
mié. 10/166:00 amORD - SEA
Nonstop4h 40mAlaska Airlines
Deal found 7/16$64
This eDestinos deal was found by Cheapflights users on 7/17. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/209:10 amORD - SEA
1 stop17h 00mSpirit Airlines
Deal found 7/17$70
This mytrip.com deal was found by Cheapflights users on 7/17. 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.
mar. 8/208:42 pmORD - SEA
2 stops19h 21mSpirit Airlines
Deal found 7/17$71
This Frontier deal was found by Cheapflights users on 7/17. 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.
mié. 8/712:23 pmMDW - SEA
1 stop9h 10mFrontier
Deal found 7/17$72
This Frontier deal was found by Cheapflights users on 7/16. 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.
jue. 8/221:24 pmORD - SEA
1 stop7h 02mFrontier
Deal found 7/16$72
This Delta deal was found by Cheapflights users on 7/17. 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. 10/510:38 amMDW - SEA
1 stop8h 07mDelta
Deal found 7/17$73
This Delta deal was found by Cheapflights users on 7/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/207:30 pmORD - SEA
1 stop6h 29mDelta
Deal found 7/18$73
This mytrip.com deal was found by Cheapflights users on 7/16. 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.
jue. 9/127:30 pmORD - SEA
1 stop25h 31mFrontier
Deal found 7/16$75

Find flights from Chicago to Seattle within your budget

Customize your flight search to find flights from Chicago 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 2,689,020 searches. Data last updated julio 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$110 - $134

Route

Depart

Return

Price

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mié. 8/14

Nonstop4h 31m

Seattle/Tacoma Intl

mié. 8/21

1 stop11h 03m

$110

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

lun. 8/26

Nonstop4h 34m

Seattle/Tacoma Intl

mié. 9/4

Nonstop3h 56m

$116

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mar. 8/20

1 stop17h 00m

Seattle/Tacoma Intl

mié. 8/21

1 stop11h 03m

$118

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mié. 8/14

1 stop9h 30m

Seattle/Tacoma Intl

mié. 8/21

1 stop11h 03m

$119

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

dom. 8/18

Nonstop4h 31m

Seattle/Tacoma Intl

lun. 8/26

Nonstop3h 53m

$121

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mié. 9/4

Nonstop4h 40m

Seattle/Tacoma Intl

mar. 9/10

Nonstop4h 05m

$127

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

jue. 8/22

Nonstop4h 34m

Seattle/Tacoma Intl

mar. 8/27

1 stop9h 45m

$132

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mar. 8/20

1 stop17h 00m

Seattle/Tacoma Intl

jue. 8/22

1 stop7h 26m

$133

Chicago MidwaySeattle/Tacoma Intl

MDW - SEA

MDWSEA

Chicago Midway

lun. 8/26

1 stop13h 37m

Seattle/Tacoma Intl

mié. 9/4

1 stop8h 56m

$134

Flights are sorted by cheapest first

Deals found on 7/17

How far ahead should I book a flight from Chicago to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Seattle. Price data was last updated on July 12, 2024.
The best time to book flights from Chicago to Seattle is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Chicago to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Seattle. Price data was last updated on July 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago 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.
Search Deals

Best time to book a flight from Chicago to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Chicago 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 Seattle by month

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

SEA

Temperature

41 - 66.2 °F

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 julio 18, 2024.
Read through reviews of airlines operating flights from Chicago to Seattle, such as United Airlines, Frontier and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,670 reviews

Food

7.3

Crew

8.7

Overall

8.2

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
5,670 reviews
Southwest
8.2
Very good
5,670 reviews

Food

7.3

Crew

8.7

Overall

8.2

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.1
Very good
9,383 reviews
Southwest
8.2
Very good
5,670 reviews

Food

7.3

Crew

8.7

Overall

8.2

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.0
Very good
9,762 reviews
Southwest
8.2
Very good
5,670 reviews

Food

7.3

Crew

8.7

Overall

8.2

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.4
Good
10,000 reviews
Southwest
8.2
Very good
5,670 reviews

Food

7.3

Crew

8.7

Overall

8.2

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.4
Good
2,760 reviews
Southwest
8.2
Very good
5,670 reviews

Food

7.3

Crew

8.7

Overall

8.2

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Chicago to Seattle. 7 airlines have flights to Seattle/Tacoma Intl from Chicago on a regular basis. Booking flights from Chicago to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 22 inbound flights from Chicago per day.

  • Can I find flights from Chicago to Seattle for under $200 on Cheapflights?

    Yes, there are multiple flights from Chicago to Seattle for under $200. The cheapest flight booked recently is on Multiple Airlines for just $110, but on average you can expect to pay $131.

  • Are there nonstop flights from Chicago to Seattle for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Chicago to Seattle under $200. A good price for a nonstop flight from Chicago to Seattle is less than $164.

  • Are there last-minute flights available from Chicago to Seattle for under $200?

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

  • What days are nonstop flights available from Chicago to Seattle?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from Chicago to Seattle on average per day?

    On average, you can expect to see 35 flights from Chicago to Seattle a day.
    Morning (6am - Noon) - 9% of flight departures
    Afternoon (Noon - 6pm) - 51% of flight departures
    Evening (6pm - Midnight) - 40% of flight departures

  • How long is the flight from Chicago to Seattle?

    For as low as $116, Alaska Airlines can have you in Seattle from Chicago in 4h 34m. The distance from Chicago to Seattle is about 1725 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Chicago to Seattle round-trip?

    Our cheapest airline available from Chicago to Seattle is Alaska Airlines. Our recent data shows that you can find tickets from as low as $116 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $118 and $127 round-trip. Alaska Airlines is priced at 56% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Seattle one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $56. Alaska Airlines flights start at $64 while deals on Frontier start at $72 one-way.

  • What are the most reliable airlines from Chicago to Seattle?

    No one likes to see their flight delayed. When booking a flight from Chicago to Seattle consider choosing Korean Air (76%), KLM (71%) or American Airlines (71%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago to Seattle?

    Looking at all options, your cheapest flight can be booked for $74. While the most popular route (Chicago O'Hare Intl - Seattle/Tacoma Intl) can be booked for $118 on average our data indicates $579 when flying from Chicago to Seattle.

  • What does ORD to SEA mean?

    This is defined as Chicago O'Hare Intl Airport (ORD) and Seattle/Tacoma Intl Airport (SEA). Codes like Seattle/Tacoma Intl Airport are often used to just call airports uniquely. Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Chicago to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Seattle 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 Chicago to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Seattle 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 Chicago to Seattle that include hotel bookings?

    Yes. In addition to deals on Chicago to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Seattle?

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

  • Can I find deals for business class flights from Chicago to Seattle?

    Yes. Cheapflights offers flight deals from Chicago 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.

  • Can I find deals for flights from Chicago to Seattle that allow pets onboard?

    Many airlines flying from Chicago to Seattle 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 Chicago to Seattle?

    Yes, you can often find last-minute deals on Chicago to Seattle 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 Chicago to Seattle flight deals updated?

    The Chicago to Seattle flight deals you see on this page were last updated on 7/17.

  • What are the most popular airlines that fly from Chicago to Seattle?

  • What is the cheapest month to book a flight from Chicago to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Seattle (average of $246). Flying from Chicago to Seattle in July is currently the most expensive (average of $410). 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.

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Top 6 airlines flying from Chicago to Seattle

Discover the top 6 airlines that operate flights from Chicago 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 2,689,020 searches. Data last updated julio 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$79Average$315FlexibilityNo cancel feeOn-time75%
DeltaCheapest$99Average$449FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$109Average$299FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$114Average$312FlexibilityNo cancel feeOn-time69%
FrontierCheapest$126Average$237FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$127Average$245FlexibilityNo cancel feeOn-time65%