$51+ Cheap flights from Washington to Idaho
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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Washington to Idaho with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington to Idaho
Keep the following information in mind while searching for Washington to Idaho flight deals. Data was last updated March 31, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $106 (Kiwi.com) |
One-way from | $51 (FlightHub) |
Popular in | December |
Cheapest in | January |
Average price | $217 |
Good round-trip deal | $169 or less |
Good one-way deal | $88 or less |
Find flight deals from Washington to Idaho
Cheapest flights from Washington to IdahoExplore the most affordable flight options available from Washington to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.
Explore the most affordable flight options available from Washington to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
This Delta deal was found by Cheapflights users on 3/31. 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.
This Hawaiian Airlines deal was found by Cheapflights users on 3/31. 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.
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
This Hawaiian Airlines deal was found by Cheapflights users on 3/30. 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.
This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
This Trip.com deal was found by Cheapflights users on 3/31. 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.
This Delta deal was found by Cheapflights users on 3/30. 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.
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
This Delta deal was found by Cheapflights users on 3/30. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to Idaho 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 March 31, 2025.
Use the filters below to find and compare flights from Washington to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
PortlandIdaho Falls
PDX - IDA
PDXIDA
Portland
Fri 4/25
2:47 pm-5:25 pm
Nonstop1h 38m
Idaho Falls Fanning Field
Mon 4/28
6:15 pm-6:55 pm
Nonstop1h 40m
SeattleSpokane
SEA - GEG
SEAGEG
Seattle/Tacoma Intl
Sat 5/17
11:39 am-12:50 pm
Nonstop1h 11m
Spokane
Sat 5/17
4:16 pm-5:25 pm
Nonstop1h 09m
SeattleSpokane
SEA - GEG
SEAGEG
Seattle/Tacoma Intl
Sun 4/27
10:30 am-11:42 am
Nonstop1h 12m
Spokane
Tue 4/29
3:35 pm-4:55 pm
Nonstop1h 20m
PortlandBoise
PDX - BOI
PDXBOI
Portland
Wed 5/21
9:49 pm-11:59 pm
Nonstop1h 10m
Boise Air Term. Gowen Fld
Wed 5/28
4:01 pm-4:20 pm
Nonstop1h 19m
SpokaneBoise
GEG - BOI
GEGBOI
Spokane
Tue 5/13
7:25 am-9:28 am
Nonstop1h 03m
Boise Air Term. Gowen Fld
Tue 5/20
2:43 pm-2:55 pm
Nonstop1h 12m
PortlandBoise
PDX - BOI
PDXBOI
Portland
Tue 5/6
9:45 pm-11:59 pm
Nonstop1h 14m
Boise Air Term. Gowen Fld
Fri 5/9
12:16 pm-4:45 pm
1 stop5h 29m
SeattleBoise
SEA - BOI
SEABOI
Seattle/Tacoma Intl
Sat 6/14
1:35 pm-6:32 pm
1 stop3h 57m
Boise Air Term. Gowen Fld
Sat 6/14
8:24 pm-9:00 pm
Nonstop1h 36m
SeattleBoise
SEA - BOI
SEABOI
Seattle/Tacoma Intl
Sat 4/26
9:55 am-12:16 pm
Nonstop1h 21m
Boise Air Term. Gowen Fld
Sun 4/27
2:41 pm-3:10 pm
Nonstop1h 29m
SeattleBoise
SEA - BOI
SEABOI
Seattle/Tacoma Intl
Wed 4/30
6:05 pm-8:33 pm
Nonstop1h 28m
Boise Air Term. Gowen Fld
Thu 5/1
7:30 am-8:16 am
Nonstop1h 46m
PortlandBoise
PDX - BOI
PDXBOI
Portland
Wed 4/30
7:35 am-9:46 am
Nonstop1h 11m
Boise Air Term. Gowen Fld
Sat 5/3
4:25 pm-4:40 pm
Nonstop1h 15m
Best time to book a flight from Washington to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Washington with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington to Idaho
What is the cheapest month to book a flight from State of Washington to Idaho?
Currently, October is the cheapest month in which you can book a flight from State of Washington to Idaho (average of $314). Flying from State of Washington to Idaho in June is currently the most expensive (average of $419). 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 ID?
Find hourly flight availability from Washington to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.
When flying from State of Washington to Idaho, 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 State of Washington to Idaho
Explore weekly flight availability from Washington to Idaho. 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 March 31, 2025.
The most flights from USWA to USID are scheduled on a Monday (54 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (43 on average).
Rainfall in Idaho by month
Plan your trip to Idaho by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.
Temperature in Idaho by month
Plan your trip to Idaho by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. 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. Reviews last updated March 31, 2025.
To help decide which airline to fly from Washington to Idaho, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Cheri,Jan 2025
FAT - SEA
Related info for your journey
Find useful and relevant information for your journey from Washington to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Washington to Idaho
Discover the top 4 airlines that operate flights from Washington to Idaho. 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 March 31, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$227 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$98 | Average$442 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$119 | Average$240 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$146 | Average$380 | FlexibilityNo cancel fee | On-time75% |