Cheap flights from Portland to Idaho Falls (PDX - IDA)

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The best prices from Portland to Idaho Falls Fanning Field are usually found in July or August, booked 32 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

How to find the cheapest flight from
Portland (PDX) to Idaho Falls (IDA)

All the information you need to plan the best PDX to IDA flight in 2021: compare Portland to Idaho Falls flight prices with the expected peak season, weather and rainfall in Idaho Falls.
PDX - IDA
Price
$292 - $576
IDA
Temperature
23 - 69.8 °F
IDA
Precipitation
0.6 - 2 inches

Popular in

December

High demand for flights, 30% potential price rise

Cheapest in

July

Best time to find cheap flights, 28% potential price drop

Round-trip from

$292

From Portland to Idaho Falls Fanning Field

One-way from

$263

One-way flight from Portland to Idaho Falls Fanning Field

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Portland to Idaho Falls?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, July can be a great choice for travel to Idaho Falls. Flights to Idaho Falls from Portland in July are about $405 on average during July, but can be found for as low as $165.

How far in advance should I book a flight from Portland to Idaho Falls?

To save up to 44% on this flight, we recommend booking at least 32 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portland to Idaho Falls from $458 1-2 weeks out and tickets from $535 for flights departing within the next 72 hours.

What is the cheapest day to fly round-trip from Portland to Idaho Falls?

Users have found that flying from Portland to Idaho Falls on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

When is the cheapest time to fly from Portland to Idaho Falls (PDX - IDA)?

It’s typically best to fly out from Portland to Idaho Falls at noon. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from Portland to Idaho Falls in December, January 2022

The best prices found for PDX to IDA flights for December, January
3 Dec - 6 Dec
$185pp
PDX
Portland
Allegiant Air
Non-Stop
IDA
Idaho Falls Fanning Field
IDA
Idaho Falls Fanning Field
Allegiant Air
Non-Stop
PDX
Portland
10 Dec - 12 Dec
$198pp
PDX
Portland
Multiple Airlines
Non-Stop
IDA
Idaho Falls Fanning Field
IDA
Idaho Falls Fanning Field
Delta
 
1 STOP
PDX
Portland
15 Dec - 20 Dec
$204pp
PDX
Portland
Multiple Airlines
 
1 STOP
IDA
Idaho Falls Fanning Field
IDA
Idaho Falls Fanning Field
Allegiant Air
Non-Stop
PDX
Portland

Portland to Idaho Falls 2022 flight deals

Cheap flights to Idaho Falls from Portland found for this year
3 Dec - 6 Dec
$185pp
PDX
Portland
Allegiant Air
Non-Stop
IDA
Idaho Falls Fanning Field
IDA
Idaho Falls Fanning Field
Allegiant Air
Non-Stop
PDX
Portland
10 Dec - 12 Dec
$198pp
PDX
Portland
Multiple Airlines
Non-Stop
IDA
Idaho Falls Fanning Field
IDA
Idaho Falls Fanning Field
Delta
 
1 STOP
PDX
Portland
15 Dec - 20 Dec
$204pp
PDX
Portland
Multiple Airlines
 
1 STOP
IDA
Idaho Falls Fanning Field
IDA
Idaho Falls Fanning Field
Allegiant Air
Non-Stop
PDX
Portland

Non-stop flights to Idaho Falls from Portland

Save time with Portland to Idaho Falls direct flight deals
18 Feb - 21 Feb
$83pp
PDX
Portland
Allegiant Air
Non-Stop
IDA
Idaho Falls Fanning Field
IDA
Idaho Falls Fanning Field
Allegiant Air
Non-Stop
PDX
Portland

Last minute flights from Portland to Idaho Falls

Late deals on round-trip flights to Idaho Falls from Portland, departing today and this week
10 Dec - 12 Dec
$198pp
PDX
Portland
Multiple Airlines
Non-Stop
IDA
Idaho Falls Fanning Field
IDA
Idaho Falls Fanning Field
Delta
 
1 STOP
PDX
Portland
7 Dec - 9 Dec
$297pp
PDX
Portland
Delta
 
1 STOP
IDA
Idaho Falls Fanning Field
IDA
Idaho Falls Fanning Field
Delta
 
1 STOP
PDX
Portland
10 Dec - 12 Dec
$320pp
PDX
Portland
Multiple Airlines
Non-Stop
IDA
Idaho Falls Fanning Field
IDA
Idaho Falls Fanning Field
Multiple Airlines
     
3 STOPS
PDX
Portland

One-way flights to Fanning Field from Portland

The cheapest one-way flights from Portland to Idaho Falls
8:44 am - 3:42 pm
United Airlines
2 Stops
29h 58m
PDX - IDA
United Airlines
$263
United
5:30 pm - 4:29 pm
Alaska Airlines
1 Stop
21h 59m
PDX - IDA
Alaska Airlines
$318
Alaska Airlines
12:20 am - 7:06 pm
Delta
3 Stops
17h 46m
PDX - IDA
Delta
$482
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portland</span> to <span class="emphasized">Idaho Falls</span> flights.

Flight FAQs

From Portland to Idaho Falls

Which airlines flying from Portland to Idaho Falls Fanning Field have flexible changes due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Delta flying from Portland to Idaho Falls Fanning Field have implemented new flexible change policies.

Can I find flights from Portland to Idaho Falls for under $100 on Cheapflights?

Yes, there are multiple flights from Portland to Idaho Falls for under $100. The cheapest flight booked recently is on Allegiant Air for just $83, but on average you can expect to pay $197.

Are there nonstop flights from Portland to Idaho Falls for under $100 on Cheapflights?

Cheapflights has at least 1 direct flight from Portland to Idaho Falls under $100. A good price for a nonstop flight from Portland to Idaho Falls is less than $83.

Are there last-minute flights available from Portland to Idaho Falls for under $200?

There are currently 11+ open flights from Portland to Idaho Falls within the next 7 days for less than $200.

What are the cheapest airlines flying from Portland to Idaho Falls round-trip?

Our cheapest airline available from Portland to Idaho Falls is Allegiant Air. Our recent data shows that you can find tickets from as low as $83 on this airline. Additional options worth looking into are Delta and Alaska Airlines, starting at $166 and $179 round-trip. These flights start at 79% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Portland to Idaho Falls one-way?

One-way options have recently been found by users for as low as $89 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $172 and United Airlines from $263 one-way.

What are the cheapest flights from Portland to Idaho Falls?

While on average a flight from Portland to Idaho Falls is generally $254, our data shows the cheapest flight currently is $86. When looking at the most popular route, (Portland - Idaho Falls Fanning Field), you can expect to pay $98 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Idaho Falls, ID

Do I need a COVID test to fly to Idaho Falls from Portland?

Information is based on travel restrictions for travel to Idaho Falls Fanning Field within the United States

Most visitors from Portland need to provide a negative COVID-19 test result and/or quarantine to enter Idaho Falls Fanning Field.

COVID-19 testing requirements
Visitors from Portland must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Idaho Falls Fanning Field.

Quarantine requirements
Visitors from Portland are not required to quarantine after entering Idaho Falls Fanning Field.

Do I need a test to fly back to Portland from Idaho Falls?

Returning to Portland from Idaho Falls Fanning Field

COVID-19 testing requirements
Visitors from Idaho Falls Fanning Field must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Portland.

Quarantine requirements
Visitors from Idaho Falls Fanning Field are not required to quarantine after entering Portland.

Hide COVID Travel Restrictions for Idaho Falls, ID

Alternative routes for Portland to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Idaho Falls

Things to know before you go - useful duration and weather info for your trip from Portland to Idaho Falls.
Flight duration from PDX to IDA
1h 39m
Average temperature for December in Idaho Falls
35.6 °F
Avg rainfall for December in Idaho Falls
1.0 ″

Airports servicing Portland

Airports servicing Idaho Falls

Hourly flight availability from Portland to Idaho Falls

See what time of day planes typically take off from Portland towards Idaho Falls.
Morning 6 AM to noon 100% of PDX to IDA departures
Early morning Midnight to 6 AM 0% of PDX to IDA departures
Afternoon Noon to 6 PM 0% of PDX to IDA departures
Evening 6 PM to midnight 0% of PDX to IDA departures
Midnight
6 AM
Noon
6 PM
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