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$156+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — BOI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$242
(Alaska Airlines)

One-way from

$156
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$319
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. 6% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 11/1412:51 pmBLI - GEG
1 stop6h 03mAlaska Airlines
Mon 11/178:59 pmGEG - BLI
1 stop18h 25mAlaska Airlines
Deal found 9/10$323
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 9/291:08 pmBLI - GEG
1 stop22h 22mAlaska Airlines
Wed 10/15:45 pmGEG - BLI
1 stop4h 00mAlaska Airlines
Deal found 9/9$372
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:20 amBLI - GEG
1 stop3h 40mHawaiian Airlines
Wed 10/15:45 pmGEG - BLI
1 stop4h 00mHawaiian Airlines
Deal found 9/10$410
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 12/234:06 pmBLI - GEG
1 stop17h 17mAlaska Airlines
Sun 12/285:30 amGEG - BLI
1 stop18h 46mAlaska Airlines
Deal found 9/10$414
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 11/265:12 pmBLI - GEG
1 stop23h 41mAlaska Airlines
Mon 12/110:29 amGEG - BLI
1 stop12h 17mAlaska Airlines
Deal found 9/10$424
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 11/265:12 pmBLI - GEG
1 stop19h 12mAlaska Airlines
Sun 11/309:09 pmGEG - BLI
1 stop3h 01mAlaska Airlines
Deal found 9/10$494
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 9/273:47 pmBLI - GEG
1 stop6h 59mAlaska Airlines
Wed 10/15:45 pmGEG - BLI
1 stop4h 00mAlaska Airlines
Deal found 9/11$504
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 9/265:20 amBLI - SUN
1 stop3h 14mAlaska Airlines
Tue 9/3010:16 amSUN - BLI
1 stop5h 51mAlaska Airlines
Deal found 9/10$606

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 September 11, 2025.
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

Sat 2/28

3:30 pm-12:14 am

1 stop8h 44m

Spokane

Tue 3/3

5:00 am-2:43 pm

1 stop9h 43m

$242

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Thu 2/26

5:20 am-11:00 am

1 stop5h 40m

Spokane

Wed 3/4

7:20 pm-12:01 am

1 stop4h 41m

$292

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Fri 2/27

3:30 pm-8:59 pm

1 stop5h 29m

Spokane

Tue 3/3

7:20 pm-10:05 pm

1 stop2h 45m

$292

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Tue 3/3

3:30 pm-8:59 pm

1 stop5h 29m

Spokane

Wed 3/4

7:20 pm-12:01 am

1 stop4h 41m

$300

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Tue 3/3

12:58 pm-4:54 pm

1 stop3h 56m

Spokane

Mon 3/9

7:20 pm-12:01 am

1 stop4h 41m

$302

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Fri 11/14

12:51 pm-6:54 pm

1 stop6h 03m

Spokane

Mon 11/17

8:59 pm-3:24 pm

1 stop18h 25m

$323

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Wed 3/4

3:30 pm-8:59 pm

1 stop5h 29m

Spokane

Sat 3/7

7:20 pm-11:18 am

1 stop15h 58m

$333

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Mon 9/29

1:08 pm-11:30 am

1 stop22h 22m

Spokane

Wed 10/1

5:45 pm-9:45 pm

1 stop4h 00m

$372

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Tue 3/3

12:58 pm-4:54 pm

1 stop3h 56m

Spokane

Thu 3/5

7:20 pm-10:05 pm

1 stop2h 45m

$386

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Sun 3/1

5:20 am-8:04 am

1 stop2h 44m

Spokane

Tue 3/3

8:30 am-12:18 pm

1 stop3h 48m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 14 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, October is the cheapest month in which you can book a flight from Bellingham to Idaho (average of $314). Flying from Bellingham to Idaho in June is currently the most expensive (average of $398). 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 BLI to ID?

Find hourly flight availability from Bellingham 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 September 11, 2025.

When flying from Bellingham 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.

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 September 11, 2025.
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
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 can get you from Bellingham to Idaho in just under 8h 44m. Your travel time can differ by up to . Bellingham and Idaho are separated by a distance of 244 mi.

  • 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, October is the cheapest month in which you can book a flight from Bellingham to Idaho (average of $314). Flying from Bellingham to Idaho in June is currently the most expensive (average of $398). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$287Average$450FlexibilityNo cancel feeOn-time75%

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