Frontier AirlinesDepart06:15
Fri, Nov 13DFW → IDA
4h 56m · 1 stop
$105one way, per person
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- Cheapest fare
- $105
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 3h 13m
Frontier Airlines · Fri, Nov 13
from $105
American Airlines
1,780 km
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Cheapest month to fly from Dallas to Idaho Falls
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
See every date in November 2026 →
Plan the rest of your trip to Idaho Falls
Where to stay, what to do and getting around, from our travel partners.
About flights from Dallas to Idaho Falls
Dallas (DFW) and Idaho Falls (IDA) are about 1,780 km apart. Direct flights take around 3h 13m, and recent direct fares were with American Airlines. Over the next few months, one-way fares start from $105, 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 Dallas to Idaho Falls?
The cheapest one-way fare we've seen recently is $105 with Frontier Airlines, departing Friday, November 13, 2026.
What is the cheapest month to fly from Dallas to Idaho Falls?
November 2026 currently has the lowest fares, from $105 one way.
Are there direct flights from Dallas to Idaho Falls?
Yes. Recent direct fares were with American Airlines.
How long is the flight from Dallas to Idaho Falls?
A direct flight takes about 3h 13m. Dallas and Idaho Falls are around 1,780 km apart.
Which airlines fly from Dallas to Idaho Falls?
Recent fares on this route were with Frontier Airlines and American Airlines.
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