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$55+ Cheap flights from Idaho Falls (IDA) to Washington

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SEA
Jan 19 — Jan 261
Sun 1/19
Sun 1/26
1 adult, Economy
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Cheap flight deals from Idaho Falls to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Washington (USWA). 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 January 14, 2025.

Round-trip from

$81
(Mytrip)

One-way from

$55
(Mytrip)
From Idaho Falls Fanning Field to Washington
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One-way flight from Idaho Falls Fanning Field to Washington
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Find flight deals from Idaho Falls to Washington

Cheapest flights from Idaho Falls to Washington
Explore the most affordable flight options available from Idaho Falls to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2025.

This Mytrip deal was found by Cheapflights users on 1/13. 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 1/242:46 pmIDA - PDX
Nonstop1h 54mAllegiant Air
Mon 1/2711:15 amPDX - IDA
Nonstop1h 41mAllegiant Air
Deal found 1/13$81
This Mytrip deal was found by Cheapflights users on 1/13. 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 2/219:33 pmIDA - PDX
1 stop12h 48mMultiple Airlines
Fri 2/2810:58 amPDX - IDA
Nonstop1h 38mMultiple Airlines
Deal found 1/13$194
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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.
Thu 3/68:00 amIDA - SEA
Nonstop2h 05mAlaska Airlines
Mon 3/107:55 pmSEA - IDA
Nonstop1h 41mAlaska Airlines
Deal found 1/13$197
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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.
Tue 2/48:00 amIDA - GEG
1 stop5h 43mAlaska Airlines
Tue 2/115:48 pmGEG - IDA
1 stop3h 45mAlaska Airlines
Deal found 1/13$243
This Delta deal was found by Cheapflights users on 1/13. 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.
Tue 4/86:55 pmIDA - SEA
1 stop6h 07mDelta
Tue 4/155:45 amSEA - IDA
1 stop5h 40mDelta
Deal found 1/13$247
This Delta deal was found by Cheapflights users on 1/13. 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.
Fri 2/76:58 pmIDA - PDX
1 stop5h 53mDelta
Sat 2/85:10 amPDX - IDA
1 stop6h 20mDelta
Deal found 1/13$275
This Alaska Airlines deal was found by Cheapflights users on 1/12. 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.
Wed 2/128:00 amIDA - PDX
1 stop7h 40mAlaska Airlines
Mon 2/177:35 pmPDX - IDA
1 stop26h 01mAlaska Airlines
Deal found 1/12$292
This Delta deal was found by Cheapflights users on 1/13. 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.
Tue 2/46:58 pmIDA - GEG
1 stop5h 45mDelta
Tue 2/111:25 pmGEG - IDA
2 stops8h 19mDelta
Deal found 1/13$296
This Mytrip deal was found by Cheapflights users on 1/12. 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 2/106:32 pmIDA - SEA
1 stop6h 47mMultiple Airlines
Mon 2/175:15 amSEA - IDA
1 stop8h 22mMultiple Airlines
Deal found 1/12$299
This Alaska Airlines deal was found by Cheapflights users on 1/12. 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.
Tue 2/114:04 pmIDA - PSC
1 stop5h 55mAlaska Airlines
Thu 2/138:43 amPSC - IDA
1 stop5h 47mAlaska Airlines
Deal found 1/12$307
This United Airlines deal was found by Cheapflights users on 1/12. 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.
Thu 2/610:50 amIDA - SEA
2 stops12h 40mUnited Airlines
Sun 2/95:25 pmSEA - IDA
2 stops22h 44mUnited Airlines
Deal found 1/12$498
This Delta deal was found by Cheapflights users on 1/13. 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.
Sat 2/81:10 pmIDA - PSC
2 stops8h 56mDelta
Fri 2/145:10 pmPSC - IDA
1 stop4h 34mDelta
Deal found 1/13$524

Find flights from Idaho Falls to Washington within your budget

Customize your flight search to find flights from Idaho Falls to Washington 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 2,558,603 searches. Data last updated January 14, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 1/24

2:46 pm-3:40 pm

Nonstop1h 54m

Portland

Mon 1/27

11:15 am-1:56 pm

Nonstop1h 41m

$81

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 2/21

9:33 pm-9:21 am

1 stop12h 48m

Portland

Fri 2/28

10:58 am-1:36 pm

Nonstop1h 38m

$194

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Thu 3/6

8:00 am-9:05 am

Nonstop2h 05m

Seattle/Tacoma Intl

Mon 3/10

7:55 pm-10:36 pm

Nonstop1h 41m

$197

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Tue 2/4

8:00 am-12:43 pm

1 stop5h 43m

Spokane

Tue 2/11

5:48 pm-10:33 pm

1 stop3h 45m

$243

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Tue 4/8

6:55 pm-12:02 am

1 stop6h 07m

Seattle/Tacoma Intl

Tue 4/15

5:45 am-12:25 pm

1 stop5h 40m

$247

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Fri 2/7

6:58 pm-11:51 pm

1 stop5h 53m

Portland

Sat 2/8

5:10 am-12:30 pm

1 stop6h 20m

$275

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Wed 2/12

8:00 am-2:40 pm

1 stop7h 40m

Portland

Mon 2/17

7:35 pm-10:36 pm

1 stop26h 01m

$292

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Tue 2/4

6:58 pm-11:43 pm

1 stop5h 45m

Spokane

Tue 2/11

1:25 pm-10:44 pm

2 stops8h 19m

$296

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Mon 2/10

6:32 pm-12:19 am

1 stop6h 47m

Seattle/Tacoma Intl

Mon 2/17

5:15 am-2:37 pm

1 stop8h 22m

$299

Idaho FallsPasco

IDA - PSC

IDAPSC

Idaho Falls Fanning Field

Tue 2/11

4:04 pm-8:59 pm

1 stop5h 55m

Pasco Tri Cities

Thu 2/13

8:43 am-3:30 pm

1 stop5h 47m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 25 results
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Best time to book a flight from Idaho Falls to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Idaho Falls 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 Idaho Falls to Washington

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

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

Currently, January is the cheapest month in which you can book a flight from Idaho Falls to State of Washington (average of $238). Flying from Idaho Falls to State of Washington in July is currently the most expensive (average of $411). 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 IDA to WA?

Find hourly flight availability from Idaho Falls to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 14, 2025.

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

Weekly flight availability from Idaho Falls to State of Washington

Explore weekly flight availability from Idaho Falls to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 14, 2025.

The most flights from IDA to USWA are scheduled on a Monday (5 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated January 14, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Idaho Falls to Washington have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,672 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,672 reviews
Alaska Airlines
8.0
Very good
9,672 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,508 reviews
Alaska Airlines
8.0
Very good
9,672 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,961 reviews
Alaska Airlines
8.0
Very good
9,672 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Allegiant Air
7.4
Good
801 reviews
Alaska Airlines
8.0
Very good
9,672 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,672 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Washington. 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 from for flights from Idaho Falls to Washington?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly out of when you book flights from Idaho Falls to Washington.

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

    This flight path from Idaho Falls Fanning Field to Washington was viewed by 26 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 Idaho Falls to State of Washington one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $55. Users have also found prices from $79 and $89 on Alaska Airlines and Delta, respectively.

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

    The most popular route from Idaho Falls to State of Washington is Idaho Falls Fanning Field - Seattle/Tacoma Intl. You may also consider Idaho Falls Fanning Field - Portland or Idaho Falls Fanning Field - Spokane.

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

    Consider Qatar Airways (77%), Hawaiian Airlines (63%) or Alaska Airlines (53%) when booking your flight. These represent the most reliable airlines when flying from Idaho Falls to State of Washington.

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

    While on average a flight from Idaho Falls to State of Washington is generally $382, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Idaho Falls Fanning Field - Seattle/Tacoma Intl), you can expect to pay $177 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho Falls to Washington 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 Idaho Falls to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Idaho Falls to State of Washington (average of $238). Flying from Idaho Falls to State of Washington in July is currently the most expensive (average of $411). 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 Idaho Falls to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Idaho Falls to Washington

Discover the top 2 airlines that operate flights from Idaho Falls to Washington. 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 2,558,603 searches. Data last updated January 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$446FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$196Average$459FlexibilityNo cancel feeOn-time75%
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