Title: Cheap Flights from Portland (PDX) to Idaho Falls (IDA) - Expedia.ca ![Idaho Falls featuring a garden and a river or creek](https://images.trvl-media.com/place/1561/8b9a36b3-5e4e-4fd4-97d4-59aac6f8388b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Idaho Tourism ![](https://images.trvl-media.com/place/1561/8b9a36b3-5e4e-4fd4-97d4-59aac6f8388b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Portland (PDX) to Idaho Falls (IDA) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Portland International Airport (PDX) to Idaho Falls Regional Airport (IDA) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:ida,departure:21/11/2025TANYT&leg2=from:ida,to:pdx,departure:28/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:ida,departure:21/11/2025TANYT&leg2=from:ida,to:pdx,departure:28/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:ida,departure:21/11/2025TANYT&leg2=from:ida,to:pdx,departure:28/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:ida,departure:21/11/2025TANYT&leg2=from:ida,to:pdx,departure:28/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:pdx,to:ida,departure:21/11/2025TANYT&leg2=from:ida,to:pdx,departure:28/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Find the cheapest month to fly from Portland (PDX) to Idaho Falls (IDA) ### April is typically the cheapest month to fly From CA $305 - CA $770 per traveller. ## Frequently asked questions ### How much is a flight from PDX to Idaho Falls Regional Airport (IDA)? > Round-trip journeys from Portland Airport to Idaho Falls Regional Airport (IDA) start from . This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Portland Airport to Idaho Falls Regional Airport (IDA)? > Most flights can be cancelled online, but whether you are charged a fee differs between airlines. If you do need to cancel your trip, follow the easy instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from PDX Airport to Idaho Falls Regional Airport (IDA) that have flexible change policies? > Flights from Portland Intl. Airport (PDX) to Idaho Falls Regional Airport (IDA) with flexible change policies are available from several carriers. Simply use our "No change fees" filter during your search. You'll only need to cover the difference in ticket price, without any additional fees to worry about. ### How many hours is the flight from Portland Airport to Idaho Falls Regional Airport (IDA)? > It takes about 4 hours and 23 minutes to get from Portland Airport to IDA. But with some music and a magazine or two, the hours will pass by quicker. ### How far is the flight from PDX to Idaho Falls Regional Airport (IDA)? > With a flight distance of 870 kilometres, it's just a short hop from Portland Airport to Idaho Falls Regional Airport. It might be a quick flight, but it's still worth bringing along something to keep you entertained on board. ### Which airlines fly direct from PDX Airport to IDA? > At present, no airlines offer direct flights from Portland Intl. Airport (PDX) to IDA. You'll have to book a flight with at least one stop. To get the best connections and price, lock in your airfare well in advance. ### Are Portland Intl. Airport (PDX) to Idaho Falls Regional Airport flight tickets cheaper when they're purchased at the last minute? > Late planners can sometimes find a bargain, with some super cheap airfares from Portland Intl. Airport (PDX) to IDA showing up a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals continually — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance. ## Travel information | Origin airport | Portland Intl. | | --- | --- | | Destination airport | Idaho Falls Regional | | Distance | 859 km | ## Book with confidence ### Portland to Idaho Falls Flights **The easy way to book your flights from Portland to Idaho Falls**  With Expedia, it’s simple to find and book flights to Idaho Falls from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Idaho Falls Regional, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to Idaho Falls today, tomorrow, or this week.   **Save dollars with cheap flights from Portland Intl., PDX to Idaho Falls Regional, IDA**  Sort your search results by price to find great deals on your flight from Portland to Idaho Falls—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Idaho Falls from Portland currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Idaho Falls   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Idaho Falls from Portland**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Idaho Falls with Expedia today. \*Available to Expedia members.