Flight prices from Portland to Idaho Falls

There’s no fixed price — fares between Portland and Idaho Falls can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Are there multiple airports in Portland and Idaho Falls?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Portland: Only Portland operates in this city.
• Airports in Idaho Falls: Idaho Falls - Fanning Field is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Customize your flight from Portland to Idaho Falls

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about United States? You might also consider: Las Vegas, Los Angeles, Miami, New York City, Orlando.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.