$69+ Cheap flights from Idaho 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Idaho to Washington 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 Idaho to Washington
Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) 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 21, 2025.
Round-trip from | $137 (Delta) |
|---|---|
One-way from | $69 (Alaska Airlines) |
Good round-trip deal | $136 or less |
Good one-way deal | $139 or less |
Find flight deals from Idaho to Washington
Cheapest flights from Idaho to WashingtonExplore the most affordable flight options available from Idaho to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
Explore the most affordable flight options available from Idaho to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/21. 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.
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity 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 1/20. 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.
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 1/21. 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 Expedia 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 1/21. 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.
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair 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 1/21. 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 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 1/19. 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.
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Find flights from Idaho to Washington within your budget
Customize your flight search to find flights from Idaho 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 21, 2025.
Fly from
Fly to
Route
Depart
Return
Price
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Tue 2/18
5:15 pm-6:02 pm
Nonstop1h 47m
Seattle/Tacoma Intl
Wed 2/19
7:20 am-9:54 am
Nonstop1h 34m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Tue 2/18
7:41 pm-12:25 am
1 stop5h 44m
Seattle/Tacoma Intl
Tue 2/25
5:15 am-6:46 pm
1 stop12h 31m
BoiseSeattle
BOI - SEA
BOISEA
Boise Air Term. Gowen Fld
Thu 2/27
7:41 pm-12:25 am
1 stop5h 44m
Seattle/Tacoma Intl
Sun 3/2
8:15 pm-10:41 pm
Nonstop1h 26m
SpokaneSeattle
GEG - SEA
GEGSEA
Spokane
Tue 2/11
5:00 am-6:23 am
Nonstop1h 23m
Seattle/Tacoma Intl
Tue 2/18
7:20 am-8:35 am
Nonstop1h 15m
BoiseSpokane
BOI - GEG
BOIGEG
Boise Air Term. Gowen Fld
Wed 3/26
9:15 am-2:44 pm
1 stop6h 29m
Spokane
Tue 4/1
6:56 pm-12:13 am
1 stop4h 17m
BoisePortland
BOI - PDX
BOIPDX
Boise Air Term. Gowen Fld
Wed 3/5
1:31 pm-6:37 pm
1 stop6h 06m
Portland
Sun 3/9
9:49 pm-11:59 pm
Nonstop1h 10m
BoiseSpokane
BOI - GEG
BOIGEG
Boise Air Term. Gowen Fld
Wed 2/19
10:21 am-10:32 am
Nonstop1h 11m
Spokane
Thu 2/20
6:20 am-8:30 am
Nonstop1h 10m
BoisePortland
BOI - PDX
BOIPDX
Boise Air Term. Gowen Fld
Wed 3/5
1:31 pm-6:37 pm
1 stop6h 06m
Portland
Fri 3/7
7:32 pm-12:32 pm
1 stop16h 00m
HaileySeattle
SUN - SEA
SUNSEA
Hailey Sun Valley-Friedman
Fri 3/7
7:04 pm-7:54 pm
Nonstop1h 50m
Seattle/Tacoma Intl
Sun 3/9
3:43 pm-6:19 pm
Nonstop1h 36m
BoisePortland
BOI - PDX
BOIPDX
Boise Air Term. Gowen Fld
Tue 2/18
2:55 pm-6:54 pm
1 stop4h 59m
Portland
Wed 2/19
5:15 pm-11:44 pm
1 stop5h 29m
Best time to book a flight from Idaho to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Idaho with our price prediction graph.
Travel insights for flights from Idaho to Washington
Get recent, data-driven insights about flights from Idaho to Washington including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Idaho to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Idaho to State of Washington (average of $238). Flying from Idaho 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 ID to WA?
Find hourly flight availability from Idaho 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 21, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to State of Washington as you normally would.
Weekly flight availability from Idaho to State of Washington
Explore weekly flight availability from Idaho 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 21, 2025.
The most flights from USID to USWA are scheduled on a Tuesday (52 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 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 21, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Spirit Airlines from Idaho to Washington by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Crew
Entertainment
Overall
Food
Reviews
We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.
Comfort
Boarding
Crew
Entertainment
Overall
Food
Reviews
We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.
Comfort
Boarding
Crew
Entertainment
Overall
Food
Reviews
We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.
Comfort
Boarding
Crew
Entertainment
Overall
Food
Reviews
We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.
Comfort
Boarding
Crew
Entertainment
Overall
Food
Reviews
We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.
Comfort
Boarding
Crew
Entertainment
Overall
Food
Reviews
We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Washington. 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 Idaho to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Idaho to Washington
Discover the top 3 airlines that operate flights from Idaho 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 21, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$180 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$95 | Average$399 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$130 | Average$370 | FlexibilityNo cancel fee | On-time75% |