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Idaho

$54+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOI
Nov 10 — Nov 171
Sun 11/10
Sun 11/17
1 adult, Economy
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Find flight deals from Washington to Idaho

Cheapest flights from Washington to Idaho
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 November 5, 2024.

This Expedia deal was found by Cheapflights users on 11/4. 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.
Wed 12/411:29 amSEA - BOI
Nonstop1h 24mMultiple Airlines
Sat 12/73:45 pmBOI - SEA
1 stop5h 41mMultiple Airlines
Deal found 11/4$128
This FareScan deal was found by Cheapflights users on 11/4. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/69:21 pmSEA - BOI
1 stop16h 29mSpirit Airlines
Tue 12/103:45 pmBOI - SEA
2 stops9h 25mSpirit Airlines
Deal found 11/4$132
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/33:50 pmSEA - GEG
Nonstop1h 05mAlaska Airlines
Tue 12/38:20 pmGEG - SEA
Nonstop1h 24mAlaska Airlines
Deal found 11/3$151
This Delta deal was found by Cheapflights users on 11/4. 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.
Wed 12/47:45 pmSEA - BOI
Nonstop1h 36mDelta
Wed 12/112:00 pmBOI - SEA
Nonstop1h 50mDelta
Deal found 11/4$157
This Delta deal was found by Cheapflights users on 11/2. 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 12/38:30 amSEA - GEG
Nonstop1h 18mDelta
Tue 12/32:40 pmGEG - SEA
Nonstop1h 25mDelta
Deal found 11/2$157
This Trip.com deal was found by Cheapflights users on 11/5. 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.
Sat 12/711:29 amSEA - BOI
Nonstop1h 24mAlaska Airlines
Sun 12/88:00 amBOI - SEA
Nonstop1h 44mAlaska Airlines
Deal found 11/5$164
This Delta deal was found by Cheapflights users on 11/4. 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 12/67:20 pmGEG - BOI
1 stop3h 46mDelta
Sat 12/146:00 amBOI - GEG
1 stop4h 15mDelta
Deal found 11/4$166
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/79:25 amSEA - BOI
1 stop5h 47mUnited Airlines
Sun 12/86:53 pmBOI - SEA
1 stop6h 57mUnited Airlines
Deal found 11/5$186
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/2511:10 amGEG - BOI
Nonstop1h 14mAlaska Airlines
Wed 1/110:14 amBOI - GEG
Nonstop1h 15mAlaska Airlines
Deal found 11/3$188
This Orbitz deal was found by Cheapflights users on 11/3. 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.
Tue 11/195:15 amPDX - BOI
1 stop4h 41mMultiple Airlines
Mon 11/257:59 pmBOI - PDX
Nonstop1h 28mMultiple Airlines
Deal found 11/3$188
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/195:15 amPDX - BOI
1 stop4h 41mSpirit Airlines
Wed 11/2011:51 amBOI - PDX
1 stop13h 04mSpirit Airlines
Deal found 11/4$198
This Delta deal was found by Cheapflights users on 11/3. 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 12/65:50 pmPDX - GEG
1 stop5h 15mDelta
Tue 12/105:00 amGEG - PDX
1 stop4h 28mDelta
Deal found 11/3$206

Find flights from Washington to Idaho within your budget

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 2,455,398 searches. Data last updated November 5, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 12/4

4:00 pm-10:58 am

1 stop17h 58m

$54

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Wed 12/11

2:40 pm-9:19 pm

1 stop5h 39m

$78

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Thu 12/5

6:51 pm-9:05 pm

Nonstop1h 14m

$79

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 11/21

5:45 am-3:52 pm

1 stop9h 07m

$82

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 12/18

9:54 am-4:12 pm

1 stop5h 18m

$88

PortlandBoise

PDX - BOI

PDXBOI

Portland

Wed 12/4

9:08 am-2:50 pm

1 stop4h 42m

$55

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Wed 12/11

12:10 pm-11:00 pm

2 stops9h 50m

$123

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sat 1/4

9:30 pm-11:59 pm

Nonstop1h 29m

$79

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Wed 1/1

9:25 am-10:41 am

Nonstop1h 16m

$79

SpokaneBoise

GEG - BOI

GEGBOI

Spokane

Fri 11/15

10:07 am-8:04 pm

1 stop8h 57m

$175

Flights are sorted by cheapest first

Deals found on 11/4

Showing 1-10 of 60 results
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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.
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

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

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

Currently, January is the cheapest month in which you can book a flight from State of Washington to Idaho (average of $311). Flying from State of Washington to Idaho in June is currently the most expensive (average of $436). 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 November 5, 2024.

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 November 5, 2024.

The most flights from USWA to USID are scheduled on a Sunday (50 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (28 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 November 5, 2024.
To help decide which airline to fly from Washington to Idaho, see what other customers have to say about Spirit Airlines, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,082 reviews
Southwest
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,421 reviews
Southwest
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,829 reviews
Southwest
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,226 reviews
Southwest
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Allegiant Air
7.4
Good
863 reviews
Southwest
8.1
Very good
5,082 reviews

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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.

  • Can I find flights from State of Washington to Idaho for under $200 on Cheapflights?

    Yes, there are multiple flights from State of Washington to Idaho for under $200. The cheapest flight booked recently is on Spirit Airlines for just $102, but on average you can expect to pay $170.

  • Are there nonstop flights from State of Washington to Idaho for under $200 on Cheapflights?

    Cheapflights has at least 11 direct flights from State of Washington to Idaho under $200. A good price for a nonstop flight from State of Washington to Idaho is less than $213.

  • Are there last-minute flights available from State of Washington to Idaho for under $300?

    There are currently 20+ open flights from State of Washington to Idaho within the next 7 days for less than $300.

  • What days are nonstop flights available from State of Washington to Idaho?

    Nonstop flights can be found on the following days: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.

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

    The Washington to Idaho flight path was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How many flights depart from State of Washington to Idaho on average per day?

    On average, you can expect to see 34 flights from State of Washington to Idaho a day.
    Morning (6am - Noon) - 24% of flight departures
    Afternoon (Noon - 6pm) - 41% of flight departures
    Evening (6pm - Midnight) - 35% of flight departures

  • How long is the flight from State of Washington to Idaho?

    There are many flights that can get you from State of Washington to Idaho in 1h 12m. Fly via Spirit Airlines, Alaska Airlines, or Delta to get the fastest option. The distance from State of Washington to Idaho is about 400 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from State of Washington to Idaho are Spirit Airlines ($54), Delta ($78), and Alaska Airlines ($79).

  • What does SEA to BOI mean?

    SEA stands for Seattle/Tacoma Intl Airport, while BOI stands for Boise Air Term. Gowen Fld Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Idaho Falls Fanning Field Airport (IDA), Hailey Sun Valley-Friedman Airport (SUN), Lewiston Nez Perce Rgnl Airport (LWS), Twin Falls Joslin Airport (TWF), Pocatello Airport (PIH) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Washington to Idaho that include extra baggage allowance?

    The amount of baggage you can bring on your Washington to Idaho flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington to Idaho with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington to Idaho flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Washington to Idaho that allow pets onboard?

    Many airlines flying from Washington to Idaho offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington to Idaho?

    Yes, you can often find last-minute deals on Washington to Idaho flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the State of Washington to Idaho flight deals updated?

    The State of Washington to Idaho flight deals you see on this page were last updated on 11/5.

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

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Idaho (average of $311). Flying from State of Washington to Idaho in June is currently the most expensive (average of $436). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Washington to Idaho

Discover the top 3 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 2,455,398 searches. Data last updated November 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$144FlexibilityNo cancel feeOn-time65%
DeltaCheapest$117Average$435FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$137Average$373FlexibilityNo cancel feeOn-time75%
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