What is the cheapest airline that flies from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field?

Alaska Airlines, Delta, and American Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Idaho Falls from Phoenix Sky Harbor Intl Airport according to our data. Delta is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?

Prices for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?

As of September 2025, there are 3 operators available to choose from for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport.

What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$107 Cheap Flights from Phoenix Sky Harbor Intl Airport to Idaho Falls in 2025/26

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:28 pm - 10:34 pmPHX-IDA

2h 06mnonstop

7:10 am - 9:30 amIDA-PHX

2h 20mnonstop

$285American Airlines

Find Deal

Sun, Nov 2 - Sun, Nov 9

5:00 am - 11:33 amPHX-IDA

6h 33m1 stop

6:57 pm - 12:36 amIDA-PHX

5h 39m1 stop

$303Delta

Find Deal

Sun, Nov 2 - Sun, Nov 9

12:29 pm - 2:01 pmPHX-IDA

25h 32m1 stop

3:50 pm - 8:51 pmIDA-PHX

29h 01m2 stops

$339Multiple Airlines

Find Deal

Sun, Nov 2 - Sun, Nov 9

3:00 pm - 10:49 pmPHX-IDA

6h 49m1 stop

2:35 pm - 8:12 pmIDA-PHX

6h 37m1 stop

$341United Airlines

Find Deal

Wed, Oct 1 - Sat, Oct 4

1:51 pm - 10:38 pmPHX-IDA

7h 47m1 stop

6:00 am - 11:09 amIDA-PHX

6h 09m1 stop

$343Hawaiian Airlines

Find Deal

Fri, Oct 17 - Sat, Oct 18

12:09 pm - 10:38 pmPHX-IDA

9h 29m1 stop

4:15 pm - 9:44 amIDA-PHX

18h 29m2 stops

$366Alaska Airlines

Find Deal

Fri, Oct 17 - Sat, Oct 18

6:25 pm - 10:24 pmPHX-IDA

3h 59m1 stop

6:57 pm - 12:40 amIDA-PHX

5h 43m1 stop

$371Delta

Find Deal

Thu, Dec 18 - Tue, Dec 23

10:37 pm - 12:07 amPHX-IDA

25h 30m1 stop

3:09 pm - 10:18 pmIDA-PHX

7h 09m1 stop

$376Alaska Airlines

Find Deal

Fri, Dec 19 - Wed, Dec 24

7:00 am - 2:06 pmPHX-IDA

7h 06m1 stop

3:09 pm - 10:18 pmIDA-PHX

7h 09m1 stop

$385Alaska Airlines

Find Deal

Thu, Dec 18 - Wed, Dec 24

4:35 pm - 10:49 pmPHX-IDA

5h 14m1 stop

7:00 am - 10:33 amIDA-PHX

4h 33m1 stop

$389United Airlines

Find Deal

Wed, Oct 8 - Thu, Oct 9

Delta flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Our best Delta deals on Phoenix Sky Harbor Intl Airport to Idaho Falls flight tickets

Delta

Nov 2

PHX5:00 amPhoenix Sky Harbor Intl

6h 33m

1 stop

IDA11:33 amIdaho Falls Fanning Field

Nov 9

IDA6:57 pmIdaho Falls Fanning Field

5h 39m

1 stop

PHX12:36 amPhoenix Sky Harbor Intl

$303

Find similar

Delta

Dec 18

PHX6:25 pmPhoenix Sky Harbor Intl

3h 59m

1 stop

IDA10:24 pmIdaho Falls Fanning Field

Dec 23

IDA6:57 pmIdaho Falls Fanning Field

5h 43m

1 stop

PHX12:40 amPhoenix Sky Harbor Intl

$371

Find similar

Delta

Sep 27

PHX5:20 pmPhoenix Sky Harbor Intl

4h 05m

1 stop

IDA10:25 pmIdaho Falls Fanning Field

Sep 30

IDA6:51 pmIdaho Falls Fanning Field

5h 45m

1 stop

PHX11:36 pmPhoenix Sky Harbor Intl

$425

Find similar

Alaska Airlines flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Our best Alaska Airlines deals on Phoenix Sky Harbor Intl Airport to Idaho Falls flight tickets

Alaska Airlines

Oct 17

PHX12:09 pmPhoenix Sky Harbor Intl

9h 29m

1 stop

IDA10:38 pmIdaho Falls Fanning Field

Oct 18

IDA4:15 pmIdaho Falls Fanning Field

18h 29m

2 stops

PHX9:44 amPhoenix Sky Harbor Intl

$366

Find similar

Alaska Airlines

Dec 19

PHX10:37 pmPhoenix Sky Harbor Intl

25h 30m

1 stop

IDA12:07 amIdaho Falls Fanning Field

Dec 24

IDA3:09 pmIdaho Falls Fanning Field

7h 09m

1 stop

PHX10:18 pmPhoenix Sky Harbor Intl

$376

Find similar

Alaska Airlines

Dec 18

PHX7:00 amPhoenix Sky Harbor Intl

7h 06m

1 stop

IDA2:06 pmIdaho Falls Fanning Field

Dec 24

IDA3:09 pmIdaho Falls Fanning Field

7h 09m

1 stop

PHX10:18 pmPhoenix Sky Harbor Intl

$385

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sun 11/2

8:28 pm-10:34 pm

Nonstop2h 06m

Idaho Falls Fanning Field

Sun 11/9

7:10 am-9:30 am

Nonstop2h 20m

$285

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sun 11/2

5:00 am-11:33 am

1 stop6h 33m

Idaho Falls Fanning Field

Sun 11/9

6:57 pm-12:36 am

1 stop5h 39m

$303

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Sun 11/2

12:29 pm-2:01 pm

1 stop25h 32m

Idaho Falls Fanning Field

Sun 11/9

3:50 pm-8:51 pm

2 stops29h 01m

$339

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 10/1

3:00 pm-10:49 pm

1 stop6h 49m

Idaho Falls Fanning Field

Sat 10/4

2:35 pm-8:12 pm

1 stop6h 37m

$341

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 10/17

1:51 pm-10:38 pm

1 stop7h 47m

Idaho Falls Fanning Field

Sat 10/18

6:00 am-11:09 am

1 stop6h 09m

$343

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 10/17

12:09 pm-10:38 pm

1 stop9h 29m

Idaho Falls Fanning Field

Sat 10/18

4:15 pm-9:44 am

2 stops18h 29m

$366

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 12/18

6:25 pm-10:24 pm

1 stop3h 59m

Idaho Falls Fanning Field

Tue 12/23

6:57 pm-12:40 am

1 stop5h 43m

$371

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Fri 12/19

10:37 pm-12:07 am

1 stop25h 30m

Idaho Falls Fanning Field

Wed 12/24

3:09 pm-10:18 pm

1 stop7h 09m

$376

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Thu 12/18

7:00 am-2:06 pm

1 stop7h 06m

Idaho Falls Fanning Field

Wed 12/24

3:09 pm-10:18 pm

1 stop7h 09m

$385

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

Wed 10/8

4:35 pm-10:49 pm

1 stop5h 14m

Idaho Falls Fanning Field

Thu 10/9

7:00 am-10:33 am

1 stop4h 33m

$389

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $341.

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Friday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $361. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Wednesday is $711.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the afternoon. Flights from Phoenix Sky Harbor Intl Airport to Idaho Falls during this time can be as low as $142. Try not to purchase tickets in the evening because they tend to be around $581. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Phoenix Sky Harbor Intl to Idaho Falls Fanning Field flight route?

Fly from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field for the best Phoenix Sky Harbor Intl - Idaho Falls Fanning Field flight prices

What cabin class options are available on Phoenix Sky Harbor Intl to Idaho Falls Fanning Field flights?

There is only 1 cabin class available to choose from on Phoenix Sky Harbor Intl to Idaho Falls Fanning Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Idaho Falls flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to Idaho Falls.

How have Phoenix Sky Harbor Intl Airport to Idaho Falls flight prices changed over time?

As of September 2025, prices for Phoenix Sky Harbor Intl Airport to Idaho Falls flights are approximately 105% more expensive when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Idaho Falls (PHX to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Idaho Falls

Fastest flight time	2h 06m
Direct flights	Every day
Airports in Idaho Falls	1 airport

The fastest flight from Phoenix Sky Harbor Intl Airport to Idaho Falls takes 2h 06m

Direct flights go from Phoenix Sky Harbor Intl Airport to Idaho Falls every day.

There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)

Search flight deals

How far is Phoenix Sky Harbor Intl to Idaho Falls Fanning Field by plane?
A flight from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field will travel around 692.6 mi. By plane, this route typically takes 2h 06m.
When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?
As of September 2025, there are 3 operators available to choose from for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport.
How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Idaho Falls?
Based on momondo bookings for flights between Phoenix Sky Harbor Intl Airport and Idaho Falls, the leading plane model is Canadair (Bombardier) Regional Jet 700, making up 80.00% of the total bookings. Other popular models include Airbus A320-100/200 with 20.00%.
What is the most popular airline from Phoenix Sky Harbor Intl Airport to Idaho Falls?
momondo data reveals that the most frequently booked airline on the route from Phoenix Sky Harbor Intl Airport to Idaho Falls is Delta, representing 49% of all bookings. The subsequent popular airlines are American Airlines at 30% and United Airlines at 21%.

Best airlines flying from Phoenix Sky Harbor Intl Airport to Idaho Falls

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Idaho Falls with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $247	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $271	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $285	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights

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Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Idaho Falls?

Finding the right flight to Idaho Falls from Phoenix is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho Falls quick and easy, saving you time and money.

Can I find flights from Phoenix to Idaho Falls with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Phoenix to Idaho Falls flights to just show those with flexible booking policies.

How can momondo help me find flights from Phoenix to Idaho Falls?

Once you have performed a search for Phoenix to Idaho Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Phoenix to Idaho Falls right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Idaho Falls, momondo offers a useful price alert feature which will track prices for flights to Idaho Falls from Phoenix and alert you when they change.

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Phoenix Sky Harbor Intl Airport to Idaho Falls from $107

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Delta flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Our best Delta deals on Phoenix Sky Harbor Intl Airport to Idaho Falls flight tickets

Alaska Airlines flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Our best Alaska Airlines deals on Phoenix Sky Harbor Intl Airport to Idaho Falls flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Idaho Falls that are best for you.

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $341.

What is the cheapest day to depart on your flight to Idaho Falls?

What is the cheapest time of day to depart on your flight to Idaho Falls?

What is the cheapest Phoenix Sky Harbor Intl to Idaho Falls Fanning Field flight route?

Fly from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field for the best Phoenix Sky Harbor Intl - Idaho Falls Fanning Field flight prices

What cabin class options are available on Phoenix Sky Harbor Intl to Idaho Falls Fanning Field flights?

There is only 1 cabin class available to choose from on Phoenix Sky Harbor Intl to Idaho Falls Fanning Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Idaho Falls flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to Idaho Falls.

How have Phoenix Sky Harbor Intl Airport to Idaho Falls flight prices changed over time?

As of September 2025, prices for Phoenix Sky Harbor Intl Airport to Idaho Falls flights are approximately 105% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field?

Alaska Airlines, Delta, and American Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

When to book flights from Phoenix Sky Harbor Intl Airport to Idaho Falls

Cheap Phoenix Sky Harbor Intl Airport to Idaho Falls (PHX to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Idaho Falls

Fastest flight time

Direct flights

Airports in Idaho Falls

How far is Phoenix Sky Harbor Intl to Idaho Falls Fanning Field by plane?

When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?

How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Idaho Falls Fanning Field Airport?

What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Idaho Falls?

What is the most popular airline from Phoenix Sky Harbor Intl Airport to Idaho Falls?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Idaho Falls

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Idaho Falls with momondo

Traveling to a place near Idaho Falls?

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Idaho Falls?

Can I find flights from Phoenix to Idaho Falls with flexible booking policies on momondo?

How can momondo help me find flights from Phoenix to Idaho Falls?

I’m not ready to book a flight from Phoenix to Idaho Falls right now. Can momondo alert me if prices change?

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Idaho