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$57+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SEA
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Idaho Falls to Washington

Keep the following information in mind while searching for Idaho Falls to Washington flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$106
(Kiwi.com)

One-way from

$57
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$283

Good round-trip deal

$345 or less

Good one-way deal

$179 or less
Provider with most accurate pricing for Idaho Falls Fanning Field-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Seattle/Tacoma Intl flights.
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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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Highest demand for flights based on searches. 11% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Idaho Falls Fanning Field to Washington.
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Price to beat on a 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 febrero 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/76:15 pmIDA - PDX
Nonstop1h 40mAllegiant Air
lun. 4/212:47 pmPDX - IDA
Nonstop1h 38mAllegiant Air
Deal found 2/20$106
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/198:00 amIDA - SEA
Nonstop1h 58mHawaiian Airlines
mié. 3/1912:54 pmSEA - IDA
Nonstop1h 40mHawaiian Airlines
Deal found 2/19$171
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 3/198:00 amIDA - SEA
Nonstop1h 58mAlaska Airlines
mié. 3/2612:54 pmSEA - IDA
Nonstop1h 40mAlaska Airlines
Deal found 2/19$177
This Delta deal was found by Cheapflights users on 2/20. 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.
vie. 5/167:00 pmIDA - SEA
1 stop4h 25mDelta
mié. 5/287:20 amSEA - IDA
1 stop4h 05mDelta
Deal found 2/20$247
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/224:35 pmIDA - PSC
1 stop5h 16mHawaiian Airlines
jue. 4/248:21 amPSC - IDA
1 stop6h 37mHawaiian Airlines
Deal found 2/20$280
This Trip.com deal was found by Cheapflights users on 2/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/174:11 pmIDA - SEA
Nonstop1h 49mMultiple Airlines
lun. 4/217:55 pmSEA - IDA
Nonstop1h 40mMultiple Airlines
Deal found 2/20$291
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
sáb. 5/104:35 pmIDA - GEG
1 stop5h 26mAlaska Airlines
dom. 5/117:00 amGEG - IDA
1 stop7h 58mAlaska Airlines
Deal found 2/20$316
This Delta deal was found by Cheapflights users on 2/20. 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.
lun. 4/76:55 pmIDA - PDX
1 stop5h 49mDelta
lun. 4/215:26 pmPDX - IDA
1 stop4h 30mDelta
Deal found 2/20$317
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 4/224:35 pmIDA - PSC
2 stops31h 02mAlaska Airlines
jue. 4/248:21 amPSC - IDA
1 stop6h 37mAlaska Airlines
Deal found 2/20$345
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
mié. 8/278:00 amIDA - PDX
1 stop3h 55mAlaska Airlines
lun. 9/19:30 pmPDX - IDA
1 stop24h 08mAlaska Airlines
Deal found 2/20$373
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/164:15 pmIDA - SEA
2 stops17h 11mUnited Airlines
dom. 4/205:14 amSEA - IDA
1 stop9h 07mUnited Airlines
Deal found 2/19$508
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/97:43 amIDA - SEA
1 stop7h 20mAmerican Airlines
dom. 4/206:42 amSEA - IDA
1 stop14h 28mAmerican Airlines
Deal found 2/19$522

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 febrero 20, 2025.

Fly from

Idaho Falls

Fly to

Washington

Route

Depart

Return

Price

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

lun. 4/7

6:15 pm-6:55 pm

Nonstop1h 40m

Portland

lun. 4/21

2:47 pm-5:25 pm

Nonstop1h 38m

$106

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

mié. 3/19

8:00 am-8:58 am

Nonstop1h 58m

Seattle/Tacoma Intl

mié. 3/19

12:54 pm-3:34 pm

Nonstop1h 40m

$171

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

mié. 3/19

8:00 am-8:58 am

Nonstop1h 58m

Seattle/Tacoma Intl

mié. 3/26

12:54 pm-3:34 pm

Nonstop1h 40m

$177

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

jue. 4/17

6:55 pm-12:02 am

1 stop6h 07m

Seattle/Tacoma Intl

mar. 4/22

5:12 pm-10:56 pm

1 stop4h 44m

$237

Idaho FallsPasco

IDA - PSC

IDAPSC

Idaho Falls Fanning Field

mar. 4/22

4:35 pm-8:51 pm

1 stop5h 16m

Pasco Tri Cities

jue. 4/24

8:21 am-3:58 pm

1 stop6h 37m

$280

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

jue. 4/17

4:11 pm-5:00 pm

Nonstop1h 49m

Seattle/Tacoma Intl

lun. 4/21

7:55 pm-10:35 pm

Nonstop1h 40m

$291

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

mar. 4/15

8:00 am-10:52 am

1 stop3h 52m

Portland

jue. 4/17

5:20 pm-10:35 pm

1 stop4h 15m

$296

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

sáb. 5/10

4:35 pm-9:01 pm

1 stop5h 26m

Spokane

dom. 5/11

7:00 am-3:58 pm

1 stop7h 58m

$316

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

lun. 4/7

6:55 pm-11:44 pm

1 stop5h 49m

Portland

lun. 4/21

5:26 pm-10:56 pm

1 stop4h 30m

$317

Idaho FallsPasco

IDA - PSC

IDAPSC

Idaho Falls Fanning Field

mar. 4/22

4:35 pm-10:37 pm

2 stops31h 02m

Pasco Tri Cities

jue. 4/24

8:21 am-3:58 pm

1 stop6h 37m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 26 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 febrero 20, 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 febrero 20, 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 (2 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 febrero 20, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian 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
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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

Hawaiian Airlines
7.9
Good
2,317 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
7.3
Good
765 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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 36 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 $57. Users have also found prices from $109 and $129 on Hawaiian 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 - Spokane or Idaho Falls Fanning Field - Portland.

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

    Consider Qatar Airways (58%), Alaska Airlines (50%) or Horizon Air (50%) 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 $379, our data shows the cheapest flight currently is $78. When looking at the most popular route, (Idaho Falls Fanning Field - Seattle/Tacoma Intl), you can expect to pay $171 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$193Average$456FlexibilityNo cancel feeOn-time75%
DeltaCheapest$196Average$445FlexibilityNo cancel feeOn-timeN/A
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