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Idaho Falls

$85+ Cheap flights from Washington to Idaho Falls (IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IDA
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Washington to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Washington to Idaho Falls

Cheapest flights from Washington to Idaho Falls
Explore the most affordable flight options available from Washington to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Mytrip deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2510:15 amPDX - IDA
Nonstop1h 35mAllegiant Air
Wed 11/277:13 pmIDA - PDX
Nonstop1h 48mAllegiant Air
Deal found 11/21$172
This Alaska Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/279:15 pmSEA - IDA
Nonstop1h 44mAlaska Airlines
Wed 1/16:00 amIDA - SEA
Nonstop2h 17mAlaska Airlines
Deal found 11/19$208
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:21 pmSEA - IDA
1 stop13h 07mMultiple Airlines
Mon 12/96:25 pmIDA - SEA
3 stops30h 45mMultiple Airlines
Deal found 11/20$297
This Alaska Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/207:00 amPDX - IDA
1 stop15h 59mAlaska Airlines
Sat 12/286:00 amIDA - PDX
1 stop26h 31mAlaska Airlines
Deal found 11/20$333
This Mytrip deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/205:00 amPDX - IDA
1 stop7h 33mMultiple Airlines
Fri 12/274:27 pmIDA - PDX
Nonstop1h 49mMultiple Airlines
Deal found 11/21$347
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:30 amSEA - IDA
1 stop5h 53mDelta
Mon 12/91:09 pmIDA - SEA
1 stop6h 51mDelta
Deal found 11/19$378
This Alaska Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/65:00 amGEG - IDA
1 stop17h 59mAlaska Airlines
Mon 12/166:00 amIDA - GEG
1 stop15h 54mAlaska Airlines
Deal found 11/19$423
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/144:23 pmSEA - IDA
2 stops16h 30mUnited Airlines
Sun 12/156:05 pmIDA - SEA
1 stop20h 52mUnited Airlines
Deal found 11/20$440
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:19 pmPDX - IDA
1 stop4h 34mDelta
Mon 12/96:55 pmIDA - PDX
1 stop6h 02mDelta
Deal found 11/20$468
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/141:20 pmPDX - IDA
2 stops19h 33mUnited Airlines
Sun 12/156:05 pmIDA - PDX
1 stop16h 34mUnited Airlines
Deal found 11/20$470
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:05 pmGEG - IDA
1 stop4h 48mDelta
Mon 12/91:09 pmIDA - GEG
2 stops12h 01mDelta
Deal found 11/19$473
This Alaska Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/65:17 pmPSC - IDA
1 stop5h 42mAlaska Airlines
Tue 12/103:40 pmIDA - PSC
1 stop6h 05mAlaska Airlines
Deal found 11/21$626

Find flights from Washington to Idaho Falls within your budget

Customize your flight search to find flights from Washington to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 1/17

11:15 am-1:56 pm

Nonstop1h 41m

Idaho Falls Fanning Field

Mon 1/20

2:46 pm-3:40 pm

Nonstop1h 54m

$125

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Sat 1/11

12:51 pm-3:27 pm

Nonstop1h 36m

Idaho Falls Fanning Field

Tue 1/14

8:00 am-9:10 am

Nonstop2h 10m

$177

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Fri 1/10

11:15 am-1:56 pm

Nonstop1h 41m

Idaho Falls Fanning Field

Mon 1/27

12:19 pm-8:46 pm

2 stops9h 27m

$221

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Tue 1/14

6:05 am-10:33 pm

1 stop15h 28m

Idaho Falls Fanning Field

Tue 1/21

4:04 pm-11:00 am

1 stop19h 56m

$242

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Tue 1/14

7:10 am-6:17 pm

2 stops10h 07m

Idaho Falls Fanning Field

Sat 1/18

1:10 pm-8:17 am

2 stops20h 07m

$253

PascoIdaho Falls

PSC - IDA

PSCIDA

Pasco Tri Cities

Fri 2/28

5:10 pm-10:44 pm

1 stop4h 34m

Idaho Falls Fanning Field

Sun 3/2

6:57 pm-11:53 pm

1 stop5h 56m

$359

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Tue 12/10

5:20 pm-10:55 pm

1 stop4h 35m

Idaho Falls Fanning Field

Fri 12/13

6:55 pm-12:23 am

1 stop6h 28m

$392

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Sat 1/11

3:18 pm-5:09 pm

1 stop24h 51m

Idaho Falls Fanning Field

Tue 1/14

10:50 am-9:11 pm

1 stop11h 21m

$405

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Thu 12/19

12:00 pm-11:59 pm

1 stop10h 59m

Idaho Falls Fanning Field

Thu 12/26

6:00 am-12:08 am

1 stop19h 08m

$413

PortlandIdaho Falls

PDX - IDA

PDXIDA

Portland

Sat 12/14

1:20 pm-9:53 am

2 stops19h 33m

Idaho Falls Fanning Field

Sun 12/15

6:05 pm-9:39 am

1 stop16h 34m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 26 results
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Best time to book a flight from Washington to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington to Idaho Falls

Get recent, data-driven insights about flights from Washington to Idaho Falls including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from State of Washington to Idaho Falls (average of $380). Flying from State of Washington to Idaho Falls in July is currently the most expensive (average of $628). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to IDA?

Find hourly flight availability from Washington to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from State of Washington to Idaho Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated November 21, 2024.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and United Airlines from Washington to Idaho Falls to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,464 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,464 reviews
Alaska Airlines
8.0
Very good
9,464 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,755 reviews
Alaska Airlines
8.0
Very good
9,464 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,172 reviews
Alaska Airlines
8.0
Very good
9,464 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Allegiant Air
7.4
Good
850 reviews
Alaska Airlines
8.0
Very good
9,464 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,464 reviews

Boarding

8.2

Entertainment

7.1

Food

7.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Washington to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Idaho Falls from Washington?

    Most people fly into Idaho Falls Fanning Field (IDA) if they book a flight to Idaho Falls from Washington. Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • How popular is this State of Washington to Idaho Falls flight route?

    The Washington to Idaho Falls Fanning Field flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from State of Washington to Idaho Falls one-way?

    The cheapest airlines for a one-way flight from State of Washington to Idaho Falls are Allegiant Air ($85), Alaska Airlines ($119), and Delta ($168).

  • What are the most popular routes from State of Washington to Idaho Falls?

    The most popular flight routes from State of Washington to Idaho Falls are Seattle/Tacoma Intl - Idaho Falls Fanning Field, Portland - Idaho Falls Fanning Field and Spokane - Idaho Falls Fanning Field.

  • What are the most reliable airlines from State of Washington to Idaho Falls?

    Consider Hawaiian Airlines (94%), Qatar Airways (85%) or Alaska Airlines (84%) when booking your flight. These represent the most reliable airlines when flying from State of Washington to Idaho Falls.

  • What are the cheapest flights from State of Washington to Idaho Falls?

    The cheapest flight price from State of Washington to Idaho Falls is $101. On average you can expect to pay $260. The most popular route, (Seattle/Tacoma Intl - Idaho Falls Fanning Field), can usually be booked for $226.

  • Can I find deals for flights from Washington to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Washington to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Idaho Falls.

  • Can I find deals for business class flights from Washington to Idaho Falls?

    Yes. Cheapflights offers flight deals from Washington to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to Idaho Falls (average of $380). Flying from State of Washington to Idaho Falls in July is currently the most expensive (average of $628). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Washington to Idaho Falls

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Top 2 airlines flying from Washington to Idaho Falls

Discover the top 2 airlines that operate flights from Washington to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$190Average$417FlexibilityNo cancel feeOn-time75%
DeltaCheapest$211Average$490FlexibilityNo cancel feeOn-timeN/A
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