Allegiant AirDepart09:02
Thu, Nov 12IDA → BLI
6h 03m · 2 stops
$325one way, per person
View deal
- Cheapest fare
- $325
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 6h 03m
Allegiant Air · Thu, Nov 12
from $325
Usually 1+ stop
990 km
Get a price alert
We'll email you when Idaho Falls → Bellingham drops to your price. It's free, and you can stop any time.
Today's cheapest fare is $325. We'll send one email to confirm. See our privacy policy.
Cheapest month to fly from Idaho Falls to Bellingham
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.
Allegiant AirPlan the rest of your trip to Bellingham
Where to stay, what to do and getting around, from our travel partners.
About flights from Idaho Falls to Bellingham
Idaho Falls (IDA) and Bellingham (BLI) are about 990 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 6h 03m. Over the next few months, one-way fares start from $325, 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 Idaho Falls to Bellingham?
The cheapest one-way fare we've seen recently is $325 with Allegiant Air, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Idaho Falls to Bellingham?
November 2026 currently has the lowest fares, from $325 one way.
Are there direct flights from Idaho Falls to Bellingham?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Idaho Falls to Bellingham?
The quickest journey we've seen takes about 6h 03m. Idaho Falls and Bellingham are around 990 km apart.
Which airlines fly from Idaho Falls to Bellingham?
Recent fares on this route were with Allegiant Air.
More cheap flights from Idaho Falls
- Idaho Falls to Phoenixfrom $144
- Idaho Falls to Daytonfrom $443
- Idaho Falls to Moscowfrom $2,388
- Idaho Falls to Las Vegasfrom $113
- Idaho Falls to Denverfrom $225
- Idaho Falls to Minneapolisfrom $252
- Idaho Falls to San Josefrom $253
- Idaho Falls to Nashvillefrom $258
- Idaho Falls to San Franciscofrom $258
- Idaho Falls to Eugenefrom $259
- Idaho Falls to Sacramentofrom $260
- Idaho Falls to Seattlefrom $267