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Cheap flights from Champaign to Seattle (CMI - SEA) from $439

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CMI — SEA
May 8 — May 151
From?
To?
Wed 5/8
Wed 5/15
1 adult, Economy
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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 May 3, 2024.

Popular in

June

Cheapest in

March

Average price

$823

Round-trip from

$245
High demand for flights, 41% potential price rise
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Best time to find cheap flights, 37% potential price drop
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Average for round-trip flights in May 2024
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From Champaign University-Willard to Seattle/Tacoma Intl
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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 Thursday. 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 March tends to be the cheapest month to fly to Seattle from Champaign. Users have commonly found prices around $605 for the month, but tickets can be as low as $357. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Champaign to Seattle (CMI - SEA)?

It’s optimal to fly from Champaign to Seattle in the afternoon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the morning.

Cheap American Airlines flights from Champaign to Seattle

Explore cheap flight options specifically provided by American Airlines for the route between Champaign and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Fri 7/53:51 pmCMI - SEA
1 stop8h 09mAmerican Airlines
Wed 7/175:00 amSEA - CMI
1 stop8h 13mAmerican Airlines
Deal found 5/2$439
Sat 6/14:30 pmCMI - SEA
1 stop8h 35mAmerican Airlines
Sat 6/85:10 amSEA - CMI
1 stop8h 00mAmerican Airlines
Deal found 5/2$499
Thu 6/273:23 pmCMI - SEA
1 stop8h 34mAmerican Airlines
Sun 6/305:40 amSEA - CMI
1 stop7h 13mAmerican Airlines
Deal found 5/2$536
Fri 7/53:51 pmCMI - SEA
1 stop8h 09mAmerican Airlines
Sat 7/135:00 amSEA - CMI
1 stop7h 25mAmerican Airlines
Deal found 5/2$586
Thu 6/273:23 pmCMI - SEA
1 stop8h 34mAmerican Airlines
Sat 6/295:10 amSEA - CMI
1 stop8h 00mAmerican Airlines
Deal found 5/2$620
Sat 6/14:30 pmCMI - SEA
1 stop8h 35mAmerican Airlines
Tue 6/45:20 amSEA - CMI
1 stop7h 43mAmerican Airlines
Deal found 5/2$778
Thu 5/307:10 amCMI - SEA
1 stop7h 43mAmerican Airlines
Sun 6/211:59 pmSEA - CMI
1 stop9h 00mAmerican Airlines
Deal found 5/2$833
Fri 7/53:51 pmCMI - SEA
1 stop8h 09mAmerican Airlines
Tue 7/1612:13 amSEA - CMI
2 stops12h 03mAmerican Airlines
Deal found 5/2$837
Fri 7/53:51 pmCMI - SEA
1 stop8h 09mAmerican Airlines
Tue 7/161:14 amSEA - CMI
1 stop11h 59mAmerican Airlines
Deal found 5/2$838

Cheap Champaign to Seattle flights in May & June 2024

Find cheap flight options from Champaign to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 3, 2024.
Sat 6/14:30 pmCMI - SEA
1 stop8h 35mAmerican Airlines
Sat 6/85:10 amSEA - CMI
1 stop8h 00mAmerican Airlines
Deal found 5/2$499
Thu 6/273:23 pmCMI - SEA
1 stop8h 34mAmerican Airlines
Sun 6/305:40 amSEA - CMI
1 stop7h 13mAmerican Airlines
Deal found 5/2$536
Thu 6/273:23 pmCMI - SEA
1 stop8h 34mAmerican Airlines
Sat 6/295:10 amSEA - CMI
1 stop8h 00mAmerican Airlines
Deal found 5/2$620
Sat 6/14:30 pmCMI - SEA
1 stop8h 35mAmerican Airlines
Tue 6/45:20 amSEA - CMI
1 stop7h 43mAmerican Airlines
Deal found 5/2$778
Thu 5/307:10 amCMI - SEA
1 stop7h 43mAmerican Airlines
Sun 6/211:59 pmSEA - CMI
1 stop9h 00mAmerican Airlines
Deal found 5/2$833
Sun 5/2611:26 amCMI - SEA
1 stop6h 22mAmerican Airlines
Wed 5/2911:42 amSEA - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/2$857
Sat 6/13:39 pmCMI - SEA
2 stops10h 36mAmerican Airlines
Sat 6/85:10 amSEA - CMI
1 stop8h 00mAmerican Airlines
Deal found 5/2$861
Sun 6/24:30 pmCMI - SEA
1 stop8h 35mAmerican Airlines
Tue 6/411:42 amSEA - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/2$862
Sat 6/14:30 pmCMI - SEA
1 stop8h 35mAmerican Airlines
Fri 6/71:14 amSEA - CMI
1 stop19h 05mAmerican Airlines
Deal found 5/2$874

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 2,899,487 searches. Data last updated May 3, 2024.
Fri 7/53:51 pmCMI - SEA
1 stop8h 09mAmerican Airlines
Wed 7/175:00 amSEA - CMI
1 stop8h 13mAmerican Airlines
Deal found 5/2$439
Sat 6/14:30 pmCMI - SEA
1 stop8h 35mAmerican Airlines
Sat 6/85:10 amSEA - CMI
1 stop8h 00mAmerican Airlines
Deal found 5/2$499
Thu 6/273:23 pmCMI - SEA
1 stop8h 34mAmerican Airlines
Sun 6/305:40 amSEA - CMI
1 stop7h 13mAmerican Airlines
Deal found 5/2$536
Fri 7/53:51 pmCMI - SEA
1 stop8h 09mAmerican Airlines
Sat 7/135:00 amSEA - CMI
1 stop7h 25mAmerican Airlines
Deal found 5/2$586
Thu 6/273:23 pmCMI - SEA
1 stop8h 34mAmerican Airlines
Sat 6/295:10 amSEA - CMI
1 stop8h 00mAmerican Airlines
Deal found 5/2$620
Sat 6/14:30 pmCMI - SEA
1 stop8h 35mAmerican Airlines
Tue 6/45:20 amSEA - CMI
1 stop7h 43mAmerican Airlines
Deal found 5/2$778
Thu 5/307:10 amCMI - SEA
1 stop7h 43mAmerican Airlines
Sun 6/211:59 pmSEA - CMI
1 stop9h 00mAmerican Airlines
Deal found 5/2$833
Fri 7/53:51 pmCMI - SEA
1 stop8h 09mAmerican Airlines
Tue 7/1612:13 amSEA - CMI
2 stops12h 03mAmerican Airlines
Deal found 5/2$837
Fri 7/53:51 pmCMI - SEA
1 stop8h 09mAmerican Airlines
Tue 7/161:14 amSEA - CMI
1 stop11h 59mAmerican Airlines
Deal found 5/2$838

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 2,899,487 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$439 - $838

Route

Depart

Return

Price

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Fri 7/5

1 stop8h 09m

Seattle/Tacoma Intl

Wed 7/17

1 stop8h 13m

$439

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Sat 6/1

1 stop8h 35m

Seattle/Tacoma Intl

Sat 6/8

1 stop8h 00m

$499

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Thu 6/27

1 stop8h 34m

Seattle/Tacoma Intl

Sun 6/30

1 stop7h 13m

$536

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Fri 7/5

1 stop8h 09m

Seattle/Tacoma Intl

Sat 7/13

1 stop7h 25m

$586

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Thu 6/27

1 stop8h 34m

Seattle/Tacoma Intl

Sat 6/29

1 stop8h 00m

$620

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Sat 6/1

1 stop8h 35m

Seattle/Tacoma Intl

Tue 6/4

1 stop7h 43m

$778

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Thu 5/30

1 stop7h 43m

Seattle/Tacoma Intl

Sun 6/2

1 stop9h 00m

$833

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Fri 7/5

1 stop8h 09m

Seattle/Tacoma Intl

Tue 7/16

2 stops12h 03m

$837

Champaign University-WillardSeattle/Tacoma Intl

CMI - SEA

CMISEA

Champaign University-Willard

Fri 7/5

1 stop8h 09m

Seattle/Tacoma Intl

Tue 7/16

1 stop11h 59m

$838

Flights are sorted by cheapest first

Deals found on 5/2

When is the cheapest time 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 April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Champaign to Seattle flight should consider departing on Saturday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Seattle by month

Plan your trip from Champaign to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Champaign to Seattle is currently $0 while a round-trip flight costs $663. Price data was last updated on April 28, 2024.

Currently, December is the cheapest month in which you can book a flight from Champaign to Seattle (average of $245). Flying from Champaign to Seattle in July is currently the most expensive (average of $408). 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.

January

$247

February

$254

March

$288

April

$294

May

$320

June

$406

July

$408

August

$343

September

$278

October

$257

November

$258

December

$245

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

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 May 3, 2024.
American Airlines
7.3
Good
14,767 reviews
Check prices

Boarding

7.6

Comfort

7.2

Crew

8.0

Entertainment

7.1

Food

6.6

Overall

7.3

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

American Airlines
7.3
Good
14,767 reviews
American Airlines
7.3
Good
14,767 reviews
Check prices

Boarding

7.6

Comfort

7.2

Crew

8.0

Entertainment

7.1

Food

6.6

Overall

7.3

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

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 $500 on Cheapflights?

    Yes, there are multiple flights from Champaign to Seattle for under $500. The cheapest flight booked recently is on American Airlines for just $439, but on average you can expect to pay $798.

  • 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 $439. Users have found that American Airlines is 27% 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 5/2.

See more FAQs

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Alternative routes for Champaign to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

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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 2,899,487 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$372Average$676FlexibilityNo cancel feeOn-time71%
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Search flights from Champaign to Seattle by cabin class

Find flights from Champaign to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
Prem Econ Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Champaign to Seattle 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 Champaign to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Champaign to Seattle for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Champaign to Seattle flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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