Cheap flights from Champaign to Rock Springs

One-way fares from $858 · CMI → RKS · prices found by travellers in the last 48 hours

Cheapest fare
$858

American Airlines · Sat, Nov 21

Cheapest month
November

from $858

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 31m

1,760 km

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Cheapest month to fly from Champaign to Rock Springs

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

  1. November 2026 Cheapest $858

Cheapest dates in November 2026

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

American Airlines
Depart19:01 Sat, Nov 21CMI → RKS 5h 35m · 2 stops
$858one way, per person
View deal
American Airlines
Depart05:53 Fri, Nov 20CMI → RKS 5h 31m · 2 stops
$923one way, per person
View deal
See every date in November 2026 →

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About flights from Champaign to Rock Springs

Champaign (CMI) and Rock Springs (RKS) are about 1,760 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 5h 31m. Over the next few months, one-way fares start from $858, 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 Rock Springs?

The cheapest one-way fare we've seen recently is $858 with American Airlines, departing Saturday, November 21, 2026.

What is the cheapest month to fly from Champaign to Rock Springs?

November 2026 currently has the lowest fares, from $858 one way.

Are there direct flights from Champaign to Rock Springs?

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

How long is the flight from Champaign to Rock Springs?

The quickest journey we've seen takes about 5h 31m. Champaign and Rock Springs are around 1,760 km apart.

Which airlines fly from Champaign to Rock Springs?

Recent fares on this route were with American Airlines.

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