$277+ Cheap flights from Champaign to Seattle (CMI - SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — SEA
Jul 27 — Aug 31

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Cheap flight deals from Champaign to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) 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 July 22, 2024.

Popular in

March

Cheapest in

May

Average price

$617

Round-trip from

$277
(American Airlines)
High demand for flights, 31% potential price rise
Best time to find cheap flights, 38% potential price drop
Average for round-trip flights in July 2024
From Champaign University-Willard to Seattle/Tacoma Intl

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

Flights from Champaign to Seattle are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

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

Our data shows that May tends to be the cheapest month to fly to Seattle from Champaign. Users have commonly found prices around $620 for the month, but tickets can be as low as $322. Due to multiple factors, prepare for potentially higher prices in March.

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

It’s optimal to fly from Champaign to Seattle at noon. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the morning.

Cheap Champaign to Seattle flights in July & August 2024

Find cheap flight options from Champaign 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 2,674,588 searches. Prices were last updated on July 22, 2024.
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/52:55 pmCMI - SEA
1 stop6h 53mAmerican Airlines
Tue 8/136:00 amSEA - CMI
1 stop7h 22mAmerican Airlines
Deal found 7/21$344
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/92:56 pmCMI - SEA
1 stop9h 05mAmerican Airlines
Thu 8/156:00 amSEA - CMI
1 stop7h 22mAmerican Airlines
Deal found 7/21$411
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/52:55 pmCMI - SEA
1 stop6h 53mAmerican Airlines
Mon 8/1212:21 amSEA - CMI
2 stops8h 57mAmerican Airlines
Deal found 7/21$709
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/92:56 pmCMI - SEA
1 stop9h 05mAmerican Airlines
Wed 8/1412:21 amSEA - CMI
2 stops8h 57mAmerican Airlines
Deal found 7/22$825
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/92:56 pmCMI - SEA
1 stop6h 24mAmerican Airlines
Wed 8/141:10 amSEA - CMI
1 stop17h 27mAmerican Airlines
Deal found 7/22$828
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/93:52 pmCMI - SEA
1 stop7h 48mAmerican Airlines
Wed 8/141:10 amSEA - CMI
1 stop11h 16mAmerican Airlines
Deal found 7/21$838
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/52:55 pmCMI - SEA
1 stop6h 53mAmerican Airlines
Mon 8/1212:21 amSEA - CMI
1 stop12h 05mAmerican Airlines
Deal found 7/21$842
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/93:52 pmCMI - SEA
1 stop7h 48mAmerican Airlines
Wed 8/1412:21 amSEA - CMI
2 stops8h 57mAmerican Airlines
Deal found 7/21$843
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/92:56 pmCMI - SEA
2 stops10h 28mAmerican Airlines
Thu 8/156:00 amSEA - CMI
1 stop7h 22mAmerican Airlines
Deal found 7/21$870

Champaign to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Champaign and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,674,588 searches. Data last updated July 22, 2024.
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/244:05 pmCMI - SEA
1 stop8h 54mAmerican Airlines
Tue 12/311:59 pmSEA - CMI
1 stop8h 52mAmerican Airlines
Deal found 7/21$277
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/52:55 pmCMI - SEA
1 stop6h 53mAmerican Airlines
Tue 8/136:00 amSEA - CMI
1 stop7h 22mAmerican Airlines
Deal found 7/21$344
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/92:56 pmCMI - SEA
1 stop9h 05mAmerican Airlines
Thu 8/156:00 amSEA - CMI
1 stop7h 22mAmerican Airlines
Deal found 7/21$411
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/243:42 pmCMI - SEA
1 stop11h 14mAmerican Airlines
Mon 12/21:43 amSEA - CMI
1 stop16h 54mAmerican Airlines
Deal found 7/21$534
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/52:55 pmCMI - SEA
1 stop6h 53mAmerican Airlines
Mon 8/1212:21 amSEA - CMI
2 stops8h 57mAmerican Airlines
Deal found 7/21$709
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/243:42 pmCMI - SEA
2 stops10h 19mAmerican Airlines
Tue 12/311:59 pmSEA - CMI
1 stop8h 52mAmerican Airlines
Deal found 7/21$731
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/246:18 amCMI - SEA
1 stop18h 41mAmerican Airlines
Mon 12/21:43 amSEA - CMI
2 stops10h 35mAmerican Airlines
Deal found 7/21$770
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/92:56 pmCMI - SEA
1 stop9h 05mAmerican Airlines
Wed 8/1412:21 amSEA - CMI
2 stops8h 57mAmerican Airlines
Deal found 7/22$825
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/92:56 pmCMI - SEA
1 stop6h 24mAmerican Airlines
Wed 8/141:10 amSEA - CMI
1 stop17h 27mAmerican Airlines
Deal found 7/22$828

Find flights from Champaign to Seattle within your budget

Customize your flight search to find flights from Champaign 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 2,674,588 searches. Data last updated July 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$277 - $842

Route

Depart

Return

Price

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Sun 11/24

1 stop8h 54m

Seattle/Tacoma Intl

Tue 12/3

1 stop8h 52m

$277

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Mon 8/5

1 stop6h 53m

Seattle/Tacoma Intl

Tue 8/13

1 stop7h 22m

$344

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Fri 8/9

1 stop9h 05m

Seattle/Tacoma Intl

Thu 8/15

1 stop7h 22m

$411

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Sun 11/24

1 stop11h 14m

Seattle/Tacoma Intl

Mon 12/2

1 stop16h 54m

$534

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Mon 8/5

1 stop6h 53m

Seattle/Tacoma Intl

Mon 8/12

2 stops8h 57m

$709

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Sun 11/24

2 stops10h 19m

Seattle/Tacoma Intl

Tue 12/3

1 stop8h 52m

$731

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Sun 11/24

1 stop18h 41m

Seattle/Tacoma Intl

Mon 12/2

2 stops10h 35m

$770

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Fri 8/9

1 stop7h 48m

Seattle/Tacoma Intl

Wed 8/14

1 stop11h 16m

$838

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Mon 8/5

1 stop6h 53m

Seattle/Tacoma Intl

Mon 8/12

1 stop12h 05m

$842

Flights are sorted by cheapest first

Deals found on 7/21

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

Use this chart to determine the cheapest time to fly round-trip from Champaign to Seattle. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Champaign to Seattle flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday mornings 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 Champaign to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Champaign 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 July 22, 2024.
7.3
Good
10,000 reviews

Entertainment

7.1

Boarding

7.6

Food

6.6

Crew

8.0

Comfort

7.2

Overall

7.3

Reviews

1 / 10

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.

7.3
Good
10,000 reviews
7.3
Good
10,000 reviews

Entertainment

7.1

Boarding

7.6

Food

6.6

Crew

8.0

Comfort

7.2

Overall

7.3

Reviews

1 / 10

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.

Related info for your journey

Find useful and relevant information for your journey from Champaign to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Champaign to Seattle for under $300 on Cheapflights?

    Yes, there are multiple flights from Champaign to Seattle for under $300. The cheapest flight booked recently is on American Airlines for just $277, but on average you can expect to pay $775.

  • What is the cheapest airline to fly from Champaign to Seattle round-trip?

    Cheapflights users have booked flights from Champaign to Seattle round-trip from $277. Users have found that American Airlines is 55% cheaper than the other options available to this destination.

  • What does CMI to SEA mean?

    Great question - CMI to SEA just means Champaign University-Willard Airport to Seattle/Tacoma Intl Airport. Now you’ll know what these unique codes when you look for flights!

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Champaign 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 Champaign to Seattle that allow pets onboard?

    Many airlines flying from Champaign 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 Champaign to Seattle?

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

    The Champaign to Seattle flight deals you see on this page were last updated on 7/22.

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

    Currently, January is the cheapest month in which you can book a flight from Champaign to Seattle (average of $246). Flying from Champaign to Seattle in July is currently the most expensive (average of $412). 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

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Top airline flying from Champaign to Seattle

Discover the top airline that operate flights from Champaign 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 2,674,588 searches. Data last updated July 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$353Average$619FlexibilityNo cancel feeOn-time71%

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