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$136+ Cheap flights from Bellingham (BLI) 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — BOI
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Bellingham to Idaho

Keep the following information in mind while searching for Bellingham to Idaho flight deals. Data was last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$225
(Alaska Airlines)

One-way from

$136
(Trip.com)

Popular in

August

Cheapest in

January

Average price

$224
Provider with most accurate pricing for Bellingham-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Bellingham-Boise Air Term. Gowen Fld flights.
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From Bellingham to Idaho
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One-way flight from Bellingham to Idaho
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Highest demand for flights based on searches. 37% potential increase in price ($233 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Bellingham to Idaho

Cheapest flights from Bellingham to Idaho
Explore the most affordable flight options available from Bellingham to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/7. 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.
Fri 2/61:03 pmBLI - GEG
1 stop11h 20mAlaska Airlines
Sun 2/812:10 pmGEG - BLI
1 stop11h 56mAlaska Airlines
Deal found 1/7$245
This Expedia deal was found by Cheapflights users on 1/7. 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.
Fri 4/247:19 pmBLI - GEG
1 stop3h 52mAlaska Airlines
Mon 4/273:12 pmGEG - BLI
1 stop3h 27mAlaska Airlines
Deal found 1/7$259
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 1/319:15 amBLI - GEG
1 stop3h 29mAlaska Airlines
Sat 1/316:29 pmGEG - BLI
1 stop17h 54mAlaska Airlines
Deal found 1/7$265
This Alaska Airlines deal was found by Cheapflights users on 1/8. 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 2/55:15 amBLI - GEG
1 stop11h 51mAlaska Airlines
Thu 2/127:05 amGEG - BLI
1 stop4h 08mAlaska Airlines
Deal found 1/8$275
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Thu 1/227:30 amBLI - GEG
1 stop12h 38mAllegiant Air
Sun 1/258:58 pmGEG - BLI
1 stop23h 33mAllegiant Air
Deal found 1/7$320
This Alaska Airlines deal was found by Cheapflights users on 1/8. 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.
Mon 2/1611:53 amBLI - GEG
1 stop5h 10mAlaska Airlines
Wed 2/185:40 amGEG - BLI
1 stop5h 33mAlaska Airlines
Deal found 1/8$324
This Expedia deal was found by Cheapflights users on 1/7. 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.
Sat 2/215:04 pmBLI - SUN
1 stop17h 06mAlaska Airlines
Sat 2/287:04 pmSUN - BLI
1 stop17h 09mAlaska Airlines
Deal found 1/7$333
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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.
Fri 1/91:03 pmBLI - SUN
1 stop21h 11mAlaska Airlines
Mon 1/128:21 pmSUN - BLI
1 stop17h 02mAlaska Airlines
Deal found 1/6$823
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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.
Mon 1/121:03 pmBLI - SUN
1 stop5h 35mAlaska Airlines
Wed 1/1411:56 amSUN - BLI
1 stop13h 10mAlaska Airlines
Deal found 1/7$1,021
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 2/215:15 amBLI - SUN
2 stops15h 47mAmerican Airlines
Sat 2/287:40 amSUN - BLI
2 stops17h 17mAmerican Airlines
Deal found 1/7$1,025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bellingham 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 January 8, 2026.
Use the filters below to find and compare flights from Bellingham to Idaho that are best for you.

Fly from

Bellingham

Fly to

Idaho

Route

Depart

Return

Price

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Fri 2/6

1:03 pm-12:23 am

1 stop11h 20m

Spokane

Sun 2/8

12:10 pm-12:06 am

1 stop11h 56m

$245

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Fri 4/24

7:19 pm-11:11 pm

1 stop3h 52m

Spokane

Mon 4/27

3:12 pm-6:39 pm

1 stop3h 27m

$259

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Thu 2/5

1:03 pm-9:25 pm

1 stop8h 22m

Spokane

Thu 2/12

5:40 am-11:13 am

1 stop5h 33m

$275

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Sat 1/31

5:15 am-12:44 pm

1 stop7h 29m

Spokane

Sat 1/31

4:57 pm-12:23 pm

2 stops19h 26m

$313

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Thu 1/22

7:30 am-8:08 pm

1 stop12h 38m

Spokane

Sun 1/25

8:58 pm-8:31 pm

1 stop23h 33m

$320

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Mon 2/16

11:53 am-5:03 pm

1 stop5h 10m

Spokane

Wed 2/18

5:40 am-11:13 am

1 stop5h 33m

$324

BellinghamHailey

BLI - SUN

BLISUN

Bellingham

Sat 2/21

5:04 pm-11:10 am

1 stop17h 06m

Hailey Sun Valley-Friedman

Sat 2/28

7:04 pm-11:13 am

1 stop17h 09m

$333

BellinghamHailey

BLI - SUN

BLISUN

Bellingham

Sat 2/21

5:15 am-10:02 pm

2 stops15h 47m

Hailey Sun Valley-Friedman

Sat 2/28

7:40 am-11:57 pm

2 stops17h 17m

$1,025

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Sat 2/21

5:04 pm-9:37 pm

1 stop4h 33m

$136

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Thu 3/19

6:00 am-8:31 pm

1 stop14h 31m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 18 results
1
2

Best time to book a flight from Bellingham to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Bellingham 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.

Cheapflights Insights

Everything you need to know about your flight from Bellingham to Idaho

What is the cheapest month to book a flight from Bellingham to Idaho?

Currently, January is the cheapest month in which you can book a flight from Bellingham to Idaho (average of $224). Flying from Bellingham to Idaho in July is currently the most expensive (average of $776). 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.

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 January 8, 2026.
See what other customers who have flown with Alaska Airlines from Bellingham to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,661 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Alaska Airlines
8.0
Very good
11,661 reviews
Alaska Airlines
8.0
Very good
11,661 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.

Related info for your journey

Find useful and relevant information for your journey from Bellingham to Idaho. 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 Bellingham to Idaho?

    If you book a flight to Idaho from Bellingham, you will be flying from Bellingham, which is the city’s only airport. Bellingham (BLI) is located 3.2 mi from the center of Bellingham.

  • How long is the flight from Bellingham to Idaho?

    Alaska Airlines and American Airlines can get you from Bellingham to Idaho in just under 11h 20m. Your travel time can differ by up to 4h 27m. Bellingham and Idaho are separated by a distance of 244 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bellingham 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.

  • What is the cheapest month to book a flight from Bellingham to Idaho?

    Currently, January is the cheapest month in which you can book a flight from Bellingham to Idaho (average of $224). Flying from Bellingham to Idaho in July is currently the most expensive (average of $776). 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.

See more FAQs

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Top airline flying from Bellingham to Idaho

Discover the top airline that operate flights from Bellingham 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$224Average$333FlexibilityNo cancel feeOn-time75%

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