Cheap flights from Idaho Falls to Portland (IDA - PDX) from $102

This is the cheapest one-way flight price, found on 9/23. Prices may vary by date and flight preferences.
IDA — PDX
Sep 30 — Oct 71

The best prices from Idaho Falls Fanning Field to Portland are usually found in July or May, booked 43 days in advance, depart on a Tuesday or Monday and return on a Monday

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

All the information you need to plan the best IDA to PDX flight in 2023: compare Idaho Falls to Portland flight prices with the expected peak season, weather and rainfall in Portland.

Popular in

October

Cheapest in

July

Round-trip from

$278

One-way from

$109
High demand for flights, 38% potential price rise
Best time to find cheap flights, 43% potential price drop
From Idaho Falls Fanning Field to Portland
One-way flight from Idaho Falls Fanning Field to Portland

IDA - PDX

Price

$278 - $500

PDX

Temperature

41 - 69.8 °F

PDX

Rainfall

0.7 - 5.6 inches

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

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Portland. Check prices with Cheapflights to find a great deal for your trip.

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

To save on the cost of your flight from Idaho Falls to Portland, book at least 43 days before your planned departure. Booking around this time can save you about 19% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $221 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $254.

What is the cheapest month to fly from Idaho Falls to Portland?

July is one of the best times of the year to fly to Portland from Idaho Falls. Prices for July average $251 per person but you can even find prices for as low as $117. The most expensive prices can be found in the month of October. Opting for a July flight can save you 61% on your journey compared to booking in October

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

One of the essential ways to save on airfare from Idaho Falls to Portland is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 80% on airfare.

Cheap Allegiant Air flights from Idaho Falls to Portland

Find some of the cheapest Allegiant Air flights traveling from Idaho Falls to Portland. Come back soon if you're not finding the exact deal you're looking for.

Cheap Delta flights from Idaho Falls to Portland

Have a look at some of the cheapest available Delta flights departing from Idaho Falls and landing in Portland. Make sure to examine the flight information before completing your reservation.

Cheap Idaho Falls to Portland flights in September & October 2023

The best prices found for IDA to PDX flights for September, October
The lowest fares we've come across on flights traveling from Idaho Falls to Portland in September and October 2023. More deals are always being added, so be sure to check back regularly.

Idaho Falls to Portland 2023 flight deals

Cheap flights to Portland from Idaho Falls found for this year
The lowest fares we've come across on flights traveling from Idaho Falls to Portland in September and October 2023. More deals are always being added, so be sure to check back regularly.

Non-stop flights to Portland from Idaho Falls

Save time with Idaho Falls to Portland direct flight deals
For a quicker trip, book one of these direct flights from Idaho Falls to Portland. Search for alternative flights from Idaho Falls to Portland by utilizing the search form above.

One-way flights to Portland from Idaho Falls

The cheapest one-way flights from Idaho Falls to Portland
Some of the best available deals we've found on one-way flights from Idaho Falls to Portland. Those needing a return flight from Idaho Falls to Portland can use the search form above.

Find flights from Idaho Falls to Portland within your budget

Use the slider to find flights from Idaho Falls to Portland that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$144 - $491

Route

Depart

Return

Price

Idaho Falls Fanning FieldPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 12/18

Nonstop2h 00m

Portland

Sun 1/7

Nonstop1h 37m

Idaho Falls Fanning FieldPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 12/18

Nonstop2h 00m

Portland

Fri 1/5

Nonstop1h 37m

Idaho Falls Fanning FieldPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 12/15

Nonstop2h 00m

Portland

Sun 1/7

Nonstop1h 37m

Idaho Falls Fanning FieldPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 12/15

Nonstop2h 00m

Portland

Fri 1/5

Nonstop1h 37m

Idaho Falls Fanning FieldPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Thu 12/14

1 stop8h 41m

Portland

Sun 1/7

Nonstop1h 37m

Idaho Falls Fanning FieldPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 12/15

Nonstop2h 00m

Portland

Fri 1/5

1 stop7h 31m

Idaho Falls Fanning FieldPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 12/18

2 stops27h 00m

Portland

Sat 1/6

2 stops20h 23m

Idaho Falls Fanning FieldPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 11/3

1 stop24h 23m

Portland

Sun 11/5

1 stop6h 12m

Idaho Falls Fanning FieldPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Mon 12/18

1 stop16h 43m

Portland

Thu 1/4

1 stop11h 21m

Flights are sorted by cheapest first

Deals found on 9/25

Reviews of airlines servicing Portland

To help decide which airline to fly from Idaho Falls to Portland, see what other customers have to say about Allegiant Air, Delta and Alaska Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,393 reviews

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

Delta
7.9
Good
3,021 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

Allegiant Air
7.5
Good
103 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Reviews

1 / 10

Really nothing. There was no food involved and I did not participate in any entertainment but the flight attendant who wins the gold star is Ralph on my flight from Portland to Sacramento! (7/24 take off at 6:15 am)

Related info for your journey

Useful info, stats and facts about Idaho Falls to Portland flights.

Can I find flights from Idaho Falls to Portland for under $200 on Cheapflights?

Yes, there are multiple flights from Idaho Falls to Portland for under $200. The cheapest flight booked recently is on Allegiant Air for just $144, but on average you can expect to pay $337.

Are there nonstop flights from Idaho Falls to Portland for under $200 on Cheapflights?

Cheapflights has at least 1 direct flight from Idaho Falls to Portland under $200. A good price for a nonstop flight from Idaho Falls to Portland is less than $102.

What days are nonstop flights available from Idaho Falls to Portland?

Nonstop flights are available for this route on the following days: Thursday.

How many flights depart from Idaho Falls to Portland on average per day?

1 flight departure from Idaho Falls to Portland per day on average.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from Idaho Falls to Portland?

There are many flights that can get you from Idaho Falls to Portland in 2h. Fly via Allegiant Air, Delta, or Alaska Airlines to get the fastest option. Idaho Falls and Portland are separated by a distance of 540 mi. This flight may include one or multiple stops.

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

Flying on Allegiant Air is currently your cheapest option to Portland, with prices starting at $144. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $334 and $401, respectively. Allegiant Air is currently priced 42% below the average price you’ll pay for this route.

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

$109 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $243 and $318, respectively.

What are the most popular airlines that fly from Idaho Falls to Portland?

What are the cheapest flights from Idaho Falls to Portland?

Looking at all options, your cheapest flight can be booked for $54. While the most popular route (Idaho Falls Fanning Field - Portland) can be booked for $83 on average our data indicates $84 when flying from Idaho Falls to Portland.

What does IDA to PDX mean?

This is defined as Idaho Falls Fanning Field Airport (IDA) and Portland Airport (PDX). Codes like Portland Airport are often used to just call airports uniquely.

Alternative routes for Idaho Falls to Portland

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

Top 3 airlines flying from Idaho Falls to Portland

The chart below displays the airlines Cheapflights users traveling from Idaho Falls to Portland choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$87Average$124FlexibilityNo cancel feeOn-time88%
Search Allegiant Air flights
Alaska AirlinesCheapest$275Average$395FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$276Average$476FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Hourly flight availability from Idaho Falls to Portland

See what time of day planes typically take off from Idaho Falls to Portland
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
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Noon
6 PM
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