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Alaska Airlines flights from Seattle to Chicago (SEA - CHI)

SEA — CHI
May 7 — May 141
From?
To?
Tue 5/7
Tue 5/14
1 adult, Economy
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Cheapflights users flying from Seattle to Chicago on Alaska Airlines typically fly into Chicago O'Hare Intl and depart from Seattle/Tacoma Intl. Select your dates above for pricing.

Alaska Airlines flights from Seattle to Chicago in 2024

Find detailed information about Alaska Airlines flights from Seattle to Chicago. Explore the options provided by Alaska Airlines to plan your journey from Seattle to Chicago. Data last updated May 2, 2024.

Popular in

July

Cheapest in

January

Average price (all airlines)

$382

One-way from

$75

Round-trip from

$149
Highest demand for flights from Seattle/Tacoma Intl to Chicago; 18% potential price increase.
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Best time to find cheap flights from Seattle/Tacoma Intl to Chicago; 3% potential price drop.
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Average price for all Seattle/Tacoma Intl to Chicago flights (one-way and round-trip).
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Cheapest one-way Alaska Airlines flight from Seattle/Tacoma Intl to Chicago
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Cheapest round-trip Alaska Airlines flight from Seattle/Tacoma Intl to Chicago
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  • Can I get a flight from Seattle to Chicago on Alaska Airlines for under $400?

    Cheapflights users have found 21 Alaska Airlines flights for under $400 on the SEA-CHI route. Prices on flights to Chicago from Seattle can vary based on many factors including dates. To look at price based on your preferred dates, click here.

  • How do most travelers feel about Alaska Airlines?

    Alaska Airlines has received a 8.0/10 rating from 10,874 Cheapflights user reviews. If you wish to plan your next trip from Seattle to Chicago with Alaska Airlines, enter your preferred travel dates above!

Cheapest Alaska Airlines flights from Seattle to Chicago

Discover the cheapest flight options specifically offered by Alaska Airlines for travel from Seattle to Chicago. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,899,487 searches. The data was last updated on May 2, 2024.
Wed 5/295:45 pmSEA - ORD
Nonstop4h 04mAlaska Airlines
Wed 6/59:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 5/1$149
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Tue 5/2811:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Wed 5/298:00 amORD - SEA
1 stop6h 42mAlaska Airlines
Deal found 5/2$173
Pick Dates
Tue 5/288:35 amSEA - ORD
Nonstop4h 15mAlaska Airlines
Fri 5/317:29 pmORD - SEA
Nonstop4h 31mAlaska Airlines
Deal found 5/1$179
Pick Dates

Direct flights from Seattle to Chicago on Alaska Airlines

Discover the cheapest flight options specifically offered by Alaska Airlines for travel from Seattle to Chicago. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,899,487 searches. The data was last updated on May 2, 2024.
Wed 5/295:45 pmSEA - ORD
Nonstop4h 04mAlaska Airlines
Wed 6/59:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 5/1$149
Pick Dates
Tue 5/288:35 amSEA - ORD
Nonstop4h 15mAlaska Airlines
Fri 5/317:29 pmORD - SEA
Nonstop4h 31mAlaska Airlines
Deal found 5/1$179
Pick Dates
Tue 6/410:39 amSEA - ORD
Nonstop4h 15mAlaska Airlines
Tue 6/47:29 pmORD - SEA
Nonstop4h 31mAlaska Airlines
Deal found 5/1$203
Pick Dates

Last minute deals on Cheapflights

Explore last-minute flight deals on Alaska Airlines for various destinations, including Seattle to Chicago. Discover attractive deals on flights departing soon. Keep an eye on the latest last-minute deals to find great opportunities for spontaneous travel. Please note that prices are subject to change and availability may vary. Data last updated May 2, 2024 and based on user searches. In the last 7 days, Cheapflights users made a total of 2,899,487 searches.
Wed 5/811:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
Wed 5/158:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 5/1$294
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Wed 5/87:45 pmSEA - ORD
1 stop7h 00mAlaska Airlines
Wed 5/158:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 5/1$303
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Fri 5/107:45 pmSEA - ORD
1 stop7h 00mAlaska Airlines
Sat 5/188:00 amORD - SEA
1 stop6h 42mAlaska Airlines
Deal found 5/1$313
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One-way Alaska Airlines flights to Chicago from Seattle

Search for one-way flight options from Seattle to Chicago specifically provided by Alaska Airlines. Find affordable one-way fares from Alaska Airlines and compare prices with other airlines. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,899,487 searches. The data was last updated on May 2, 2024.
Tue 5/285:45 pmSEA - ORD
Nonstop4h 04mAlaska Airlines
Deal found 4/30$75
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Sat 5/185:45 pmSEA - ORD
Nonstop4h 04mAlaska Airlines
Deal found 5/1$100
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Mon 6/1011:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 5/1$103
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Average price of Alaska Airlines flights from Seattle to Chicago

Plan your Alaska Airlines flight from Seattle to Chicago by taking into account the cheapest months to travel. The average price of a one-way Alaska Airlines flight from Seattle to Chicago is currently $93 while a round-trip flight costs $177. Price data was last updated on April 28, 2024.

Currently, the most affordable month to book a Alaska Airlines flight from Seattle to Chicago in February, with an average price of $245. Conversely, traveling with Alaska Airlines from Seattle to Chicago in June will be the most expensive, with an average cost of $354. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

January

$248

February

$245

March

$280

April

$267

May

$279

June

$354

July

$334

August

$274

September

$258

October

$248

November

$270

December

$248

Temperature and rainfall in Chicago by month

Plan your trip to Chicago 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, 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).

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Fly from Seattle to Chicago on another airline
Consider alternative airlines that service the Chicago area. Flight routes are based on user searches made on Cheapflights and were last updated on May 2, 2024.

Delta flights from Seattle/Tacoma Intl to Chicago
United Airlines flights from Seattle/Tacoma Intl to Chicago

See what others are saying about Alaska Airlines

Read reviews and see what other travelers are saying about their experiences with Alaska Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Alaska Airlines for your next flight. Reviews last updated May 2, 2024.
Alaska Airlines
8.0
Very good
9,115 reviews
Check prices
Overview

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

7.3
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