Find Cheap Flights from Portland to Idaho Falls (PDX - IDA)

Flights overview

Useful information for finding cheap flights from Portland to Idaho Falls and booking your next trip

Cheapest round-trip flights	$277	Delta 1 stop 4 hr Sat, Mar 14 — Sun, Mar 15	The cheapest round-trip flight from Portland to Idaho Falls is currently $277
Cheapest one-way flight	$159	Alaska 1 stop 7 hr Wed, Mar 11	The cheapest one-way flight from Portland to Idaho Falls is currently $159
Last-minute weekend getaway	$497	Delta 1 stop 4 hr Sat, Feb 14 — Sun, Feb 15	The cheapest last-minute weekend getaway from Portland to Idaho Falls is currently $497
Cheapest business class flights	$467	Alaska 1 stop 4 hr Thu, May 7 — Sun, May 10	The cheapest business class round-trip flight from Portland to Idaho Falls is currently $467

Fastest flight	3 hr 30 min	The fastest flight with stops from Portland to Idaho Falls takes 3 hr 30 min
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Portland to Idaho Falls is typically December. The most expensive month to fly is typically September.

December Cheapest	Typical prices: $190–500
September Most expensive	Typical prices: $330–580

Popular airlines from Portland to Idaho Falls

Alaska

from $313

Typical price: $315–660

381 weekly connecting flights

PDX - IDA Every day
Delta

from $277

Typical price: $355–690

117 weekly connecting flights

PDX - IDA Every day
United

from $310

Typical price: $370–750

75 weekly connecting flights

PDX - IDA Every day
American

from $391

Typical price: $560–980

21 weekly connecting flights

PDX - IDA Every day

Popular airports near Portland

Portland International Airport (PDX)

Portland United States 20 min 6 mi
Seattle-Tacoma International Airport (SEA)

Seattle United States 2 hr 37 min 134 mi
Eugene Airport (EUG)

Eugene United States 1 hr 54 min 99 mi
Redmond Municipal Airport (RDM)

Redmond United States 2 hr 57 min 114 mi

Popular airports near Idaho Falls

Idaho Falls Regional Airport (IDA)

Idaho Falls United States 8 min 2 mi
Salt Lake City International Airport (SLC)

Salt Lake City United States 3 hr 3 min 186 mi
Jackson Hole Airport (JAC)

Jackson United States 2 hr 2 min 65 mi
Friedman Memorial Airport (SUN) (SUN)

Sun Valley United States 2 hr 17 min 112 mi

Frequently asked questions about flying from Portland to Idaho Falls

The cheapest flights from Portland to Idaho Falls are usually in December. Typical ticket prices in December range from $190 to $500.

The cheapest round-trip flight from Portland to Idaho Falls recently found on Google Flights was with Delta from $277. The cheapest one-way flight was with Alaska from $159.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Alaska flight from Portland to Idaho Falls is $313, flying from Mar 14 to Mar 16.
The cheapest Delta flight from Portland to Idaho Falls is $277, flying from Apr 4 to Apr 5.
The cheapest United flight from Portland to Idaho Falls is $310, flying from Apr 25 to Apr 27.
The cheapest American flight from Portland to Idaho Falls is $391, flying from Apr 4 to Apr 6.

The cheapest round-trip flight from Portland to Idaho Falls starts at $277 from Sat, Mar 14 to Sun, Mar 15. The cheapest one-way flight starts at $159 and departs on Wed, Mar 11.

3 hr 30 min is the shortest flight time from Portland to Idaho Falls.

A popular time to visit is May–Sep, when days tend to be sunny and warm. Temperatures dip below freezing in winter (Dec–Feb). Idaho Falls Zoo is open Apr–mid Oct.

It's easy to use Google Flights to find the cheapest days to fly from Portland to Idaho Falls.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Portland to Idaho Falls really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Portland to Idaho Falls.

In terms of flights, Alaska is the most popular. Alaska offers 381 connecting flights per week. Alaska flies from Portland International Airport (PDX) to Idaho Falls Regional Airport (IDA) .

Other popular airlines flying from Portland to Idaho Falls are:

Delta offers 117 connecting flights per week. Delta flies from Portland International Airport (PDX) to Idaho Falls Regional Airport (IDA) .
United offers 75 connecting flights per week. United flies from Portland International Airport (PDX) to Idaho Falls Regional Airport (IDA) .
American offers 21 connecting flights per week. American flies from Portland International Airport (PDX) to Idaho Falls Regional Airport (IDA) .

The number of connecting flights refers to distinct flights with at least one stop between Portland and Idaho Falls.

The cheapest round-trip flight from Portland to Idaho Falls recently found on Google Flights was with Delta from $277. The cheapest one-way flight was with Alaska from $159.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Alaska flight from Portland to Idaho Falls is $313, flying from Mar 14 to Mar 16.
The cheapest Delta flight from Portland to Idaho Falls is $277, flying from Apr 4 to Apr 5.
The cheapest United flight from Portland to Idaho Falls is $310, flying from Apr 25 to Apr 27.
The cheapest American flight from Portland to Idaho Falls is $391, flying from Apr 4 to Apr 6.

No airline flies direct from Portland to Idaho Falls.

There are 381 Alaska connecting flights from Portland to Idaho Falls per week. Flights are available every day.
There are 117 Delta connecting flights from Portland to Idaho Falls per week. Flights are available every day.
There are 75 United connecting flights from Portland to Idaho Falls per week. Flights are available every day.
There are 21 American connecting flights from Portland to Idaho Falls per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Portland and Idaho Falls at price $497 is offered by Delta from Sat, Feb 14 to Sun, Feb 15.

No airline flies direct from Portland to Idaho Falls.

There are 381 Alaska connecting flights from Portland to Idaho Falls per week. Flights are available every day.
There are 117 Delta connecting flights from Portland to Idaho Falls per week. Flights are available every day.
There are 75 United connecting flights from Portland to Idaho Falls per week. Flights are available every day.
There are 21 American connecting flights from Portland to Idaho Falls per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are no direct flights from Portland to Idaho Falls.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Portland to Idaho Falls, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Portland and Idaho Falls start at $467 from Thu, May 7 to Sun, May 10 with Alaska.

The cheapest economy class round-trip flights between Portland and Idaho Falls start at $277 from Sat, Mar 14 to Sun, Mar 15.

To book business class trips from Portland to Idaho Falls, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Portland and Idaho Falls starts at $497 from Sat, Feb 14 to Sun, Feb 15 with Delta.

The cheapest last-minute deal between Portland and Idaho Falls at price $497 is offered by Delta from Sat, Feb 14 to Sun, Feb 15.

To find last-minute flight deals from Portland to Idaho Falls, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.