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$131+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$226
(Hawaiian Airlines)

One-way from

$131
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$362
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. 8% potential increase in price ($50 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 June 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 June 12, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:47 pmBLI - GEG
1 stop3h 03mHawaiian Airlines
Sun 9/289:25 amGEG - BLI
1 stop5h 42mHawaiian Airlines
Deal found 6/10$226
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2312:00 pmBLI - GEG
1 stop20h 43mAllegiant Air
Sun 7/279:33 amGEG - BLI
1 stop26h 28mAllegiant Air
Deal found 6/10$267
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 9/253:47 pmBLI - GEG
1 stop3h 03mAlaska Airlines
Sun 9/2812:39 pmGEG - BLI
2 stops9h 06mAlaska Airlines
Deal found 6/10$305
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2312:00 pmBLI - GEG
1 stop20h 43mMultiple Airlines
Sun 7/279:33 amGEG - BLI
2 stops28h 35mMultiple Airlines
Deal found 6/10$314

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 June 12, 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

Thu 9/25

3:47 pm-6:50 pm

1 stop3h 03m

Spokane

Sun 9/28

9:25 am-3:07 pm

1 stop5h 42m

$226

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Wed 7/23

12:00 pm-8:43 am

1 stop20h 43m

Spokane

Sun 7/27

9:33 am-12:01 pm

1 stop26h 28m

$267

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Thu 9/25

3:47 pm-6:50 pm

1 stop3h 03m

Spokane

Sun 9/28

12:39 pm-9:45 pm

2 stops9h 06m

$305

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Wed 7/23

12:00 pm-8:43 am

1 stop20h 43m

Spokane

Sun 7/27

9:33 am-2:08 pm

2 stops28h 35m

$314

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Thu 7/31

3:08 pm-5:02 pm

1 stop25h 54m

$131

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Thu 7/31

12:53 pm-5:02 pm

2 stops28h 09m

$151

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Fri 7/4

4:05 pm-9:09 pm

1 stop5h 04m

$165

BellinghamSpokane

BLI - GEG

BLIGEG

Bellingham

Sat 7/26

12:56 pm-4:06 pm

1 stop3h 10m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $395). 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 June 12, 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.

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Hawaiian Airlines and Allegiant Air from Bellingham to Idaho by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What are the cheapest airlines to fly from Bellingham to Idaho one-way?

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $131. Alaska Airlines flights start at $165 while deals on Hawaiian Airlines start at $197 one-way.

  • 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 $395). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$262Average$447FlexibilityNo cancel feeOn-time75%

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