Cheap flights from Champaign to Seattle

One-way fares from $496 · CMI → SEA · prices found by travellers in the last 48 hours

Compare all dates Seattle → Champaign
Cheapest fare
$496

American Airlines · Fri, Nov 13

Cheapest month
November

from $496

Direct flights
Not recently

Usually 1+ stop

Quickest trip
7h 05m

2,830 km

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Cheapest month to fly from Champaign to Seattle

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $496

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

American Airlines
Depart07:11 Fri, Nov 13CMI → SEA 7h 05m · 1 stop
$496one way, per person
View deal
See every date in November 2026 →

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About flights from Champaign to Seattle

Champaign (CMI) and Seattle (SEA) are about 2,830 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 7h 05m. Over the next few months, one-way fares start from $496, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Champaign to Seattle?

The cheapest one-way fare we've seen recently is $496 with American Airlines, departing Friday, November 13, 2026.

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

November 2026 currently has the lowest fares, from $496 one way.

Are there direct flights from Champaign to Seattle?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Champaign to Seattle?

The quickest journey we've seen takes about 7h 05m. Champaign and Seattle are around 2,830 km apart.

Which airlines fly from Champaign to Seattle?

Recent fares on this route were with American Airlines.

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