Cheap flights from Champaign to Seattle from $284
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Champaign to Seattle departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Champaign to Seattle
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How to get the cheapest flight ticket from Champaign to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Champaign and Seattle?
What is the cheapest month to fly to Seattle?
In general, November is the cheapest month to fly from Champaign to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $321. If you don’t want to visit Seattle in November, then you should wait until October to fly from Champaign, when ticket prices are also cheap, with an average price of $337.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Champaign is on a Saturday. momondo users have found tickets for Saturday departures for as low as $371. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Champaign because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $658.
When to book flights from Champaign to Seattle
Cheap Champaign to Seattle (CMI to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Champaign to Seattle
How far is Champaign University-Willard to Seattle/Tacoma Intl by plane?
A flight from Champaign University-Willard to Seattle/Tacoma Intl will travel around 1755.7 mi. Flights usually cover this in 7h 04m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport?
As of June 2025, there is 1 operator available to choose from for flights from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Champaign University-Willard Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Champaign to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Champaign to Seattle is American Airlines (100% of total bookings).
Best airlines flying from Champaign to Seattle
Compare and see reviews for airlines that fly from Champaign to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $220 | Free Cancellation | Rating 7.2 10,000 reviews |
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Why should I use momondo to find a flight deal from Champaign to Seattle?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Champaign to Seattle. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Champaign to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Champaign to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Champaign to Seattle?
momondo helps you find the best flight between Champaign and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Champaign to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Champaign to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.