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Cheap flights from Seattle to Chicago from C$ 120

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 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CHI
23 Nov — 30 Nov1
1 adult

The best prices from Seattle/Tacoma Intl to Chicago are usually found in January or February, booked 73 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap flight deals from Seattle to Chicago

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

Round-trip from

C$ 238

One-way from

C$ 120

Popular in

July

Cheapest in

January
Delta
  • Delta
  • 1/1-8/1
  • Nonstop
  • 8h 50m total
  • Seattle to Chicago
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 25/12
  • Nonstop
  • 4h 04m total
  • Seattle to Chicago
Search Deals
High demand for flights, 19% potential price rise
Search Deals
Best time to find cheap flights, 28% potential price drop
Search Deals

Find flight deals from Seattle to Chicago

Cheapest flights from Seattle to Chicago
Explore the most affordable flight options available from Seattle to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 November 2024.

Wed 11/127:10 a.m.SEA - ORD
Nonstop4h 05mDelta
Thu 12/126:45 p.m.ORD - SEA
Nonstop5h 02mDelta
Deal found 18/11C$ 251
Sat 14/125:51 p.m.SEA - ORD
Nonstop3h 56mAlaska Airlines
Mon 16/126:32 a.m.ORD - SEA
Nonstop4h 48mAlaska Airlines
Deal found 17/11C$ 258
Sat 7/125:15 a.m.SEA - ORD
1 stop10h 13mSpirit Airlines
Wed 11/129:10 p.m.ORD - SEA
1 stop16h 45mSpirit Airlines
Deal found 17/11C$ 287
Wed 4/1211:55 p.m.SEA - ORD
Nonstop3h 57mUnited Airlines
Mon 9/127:55 p.m.ORD - SEA
Nonstop4h 51mUnited Airlines
Deal found 17/11C$ 335
Fri 6/1212:45 a.m.SEA - ORD
1 stop9h 22mAmerican Airlines
Wed 11/129:55 a.m.ORD - SEA
Nonstop4h 48mAmerican Airlines
Deal found 17/11C$ 397
Wed 18/126:10 p.m.SEA - ORD
1 stop14h 35mSun Country Air
Tue 24/1210:00 a.m.ORD - SEA
1 stop9h 29mSun Country Air
Deal found 16/11C$ 437
Tue 3/128:00 a.m.SEA - ORD
2 stops12h 35mSouthwest
Wed 11/124:00 p.m.ORD - SEA
1 stop8h 55mSouthwest
Deal found 18/11C$ 501

Find flights from Seattle to Chicago within your budget

Customize your flight search to find flights from Seattle to Chicago 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 649,417 searches. Data last updated 18 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Thu 16/1

5:55 p.m.-11:56 p.m.

Nonstop4h 01m

Chicago O'Hare Intl

Tue 21/1

2:10 p.m.-4:56 p.m.

Nonstop4h 46m

C$ 251

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Sat 14/12

5:51 p.m.-11:47 p.m.

Nonstop3h 56m

Chicago O'Hare Intl

Mon 16/12

6:32 a.m.-9:20 a.m.

Nonstop4h 48m

C$ 258

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Sat 7/12

5:15 a.m.-5:28 p.m.

1 stop10h 13m

Chicago O'Hare Intl

Wed 11/12

9:10 p.m.-11:55 a.m.

1 stop16h 45m

C$ 287

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Sun 23/2

11:48 a.m.-5:05 a.m.

1 stop15h 17m

Chicago O'Hare Intl

Mon 24/2

7:59 p.m.-2:44 p.m.

1 stop20h 45m

C$ 292

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Fri 6/12

12:15 a.m.-6:17 a.m.

Nonstop4h 02m

Chicago O'Hare Intl

Wed 11/12

9:55 a.m.-12:43 p.m.

Nonstop4h 48m

C$ 307

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Tue 3/12

11:55 p.m.-5:52 a.m.

Nonstop3h 57m

Chicago O'Hare Intl

Wed 11/12

1:10 p.m.-3:57 p.m.

Nonstop4h 47m

C$ 339

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 18/12

6:10 p.m.-10:45 a.m.

1 stop14h 35m

Chicago O'Hare Intl

Tue 24/12

10:00 a.m.-5:29 p.m.

1 stop9h 29m

C$ 437

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Tue 25/2

10:10 a.m.-10:35 p.m.

2 stops10h 25m

Chicago O'Hare Intl

Fri 28/2

5:45 a.m.-3:50 p.m.

2 stops12h 05m

C$ 459

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Tue 18/2

11:17 p.m.-12:00 p.m.

1 stop10h 43m

Chicago O'Hare Intl

Mon 3/3

1:00 p.m.-10:38 p.m.

1 stop11h 38m

C$ 482

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 25/12

10:36 p.m.-4:40 a.m.

Nonstop4h 04m

C$ 120

Flights are sorted by cheapest first

Deals found on 17/11

Showing 1-10 of 16 results
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Best time to book a flight from Seattle to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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.

Travel insights for flights from Seattle to Chicago

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Chicago. Price data was last updated on 15 November 2024.

To ensure you get the cheapest price possible for a flight from Seattle to Chicago, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Chicago (average of C$ 261). Flying from Seattle to Chicago in May is currently the most expensive (average of C$ 342). 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 SEA to CHI?

Find hourly flight availability from Seattle to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 November 2024.

It’s typically best to fly out from Seattle to Chicago in the afternoon. Doing so could potentially save you 34% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Seattle to Chicago

Explore weekly flight availability from Seattle to Chicago. 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 18 November 2024.

The most flights from SEA to CHI are scheduled on a Sunday (47 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 18 November 2024.
Read reviews from past customers who have flown American Airlines, Delta and Alaska Airlines from Seattle to Chicago. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,022 reviews
Check prices

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,022 reviews
Southwest
8.1
Very good
5,022 reviews
Check prices

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,451 reviews
Southwest
8.1
Very good
5,022 reviews
Check prices

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,766 reviews
Southwest
8.1
Very good
5,022 reviews
Check prices

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,407 reviews
Southwest
8.1
Very good
5,022 reviews
Check prices

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,168 reviews
Southwest
8.1
Very good
5,022 reviews
Check prices

Entertainment

7.7

Crew

8.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Seattle to Chicago. 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?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Chicago. On average, Seattle/Tacoma Intl has 29 outbound flights to Chicago per day from 3 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

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

    Flying on Delta is currently your cheapest option to Chicago, with prices starting at C$ 238. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at C$ 258 and C$ 272, respectively. Delta is 41% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Seattle to Chicago are Alaska Airlines (C$ 120), United Airlines (C$ 127), and Delta (C$ 154).

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

    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 on time: Avianca (100%), KLM (98%), WestJet (98%).

  • What are the cheapest flights from Seattle to Chicago?

    On average you can expect to pay C$ 399 for a flight from Seattle to Chicago. The cheapest flight overall is C$ 193 while the most popular route, (Seattle/Tacoma Intl - Chicago O'Hare Intl) is currently priced at C$ 239.

  • Can I find deals for flights from Seattle to Chicago that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Chicago 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 Seattle to Chicago?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Chicago (average of C$ 261). Flying from Seattle to Chicago in May is currently the most expensive (average of C$ 342). 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

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Alternative routes for Seattle to Chicago

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

Top 3 airlines flying from Seattle to Chicago

Discover the top 3 airlines that operate flights from Seattle to Chicago. 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 649,417 searches. Data last updated 18 November 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 73AverageC$ 321FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 139AverageC$ 364FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 179AverageC$ 341FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Chicago?

Cheapflights helps you search for flights from Seattle to Chicago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Chicago?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Chicago by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Chicago with no change fees?

Yes, we can. To see specific flights from Seattle to Chicago with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Chicago become cheaper?

Yes! Start tracking prices for Seattle to Chicago flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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