$418+ Cheap flights from Bellingham (BLI) to Idaho
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — BOI
Oct 27 — Nov 31
Round-trip
1 adult, Economy
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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
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Cheapest flights from Bellingham to IdahoExplore 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 27, 2026.
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 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 10/307:18 pm -
1 stop17h 53m
Wed 12/24:10 pm -
1 stop3h 41m
Deal found 9/25![Alaska Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 11/27:29 pm -
1 stop12h 38m
Mon 11/98:59 pm -
1 stop22h 50m
Deal found 9/25![Alaska Airlines logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 11/67:29 pm -
1 stop12h 38m
Sun 11/88:20 am -
1 stop16h 25m
Deal found 9/25![Alaska Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 11/127:29 pm -
1 stop12h 38m
Sun 11/158:20 am -
1 stop11h 29m
Deal found 9/23![Alaska Airlines logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 12/252:38 pm -
1 stop4h 27m
Wed 12/302:07 pm -
1 stop5h 33m
Deal found 9/25![Alaska Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 10/237:18 pm -
1 stop16h 17m
Sun 10/258:25 am -
1 stop6h 12m
Deal found 9/23![Alaska Airlines logo]()
$471
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 11/137:29 pm -
2 stops26h 10m
Sun 11/156:37 am -
1 stop13h 12m
Deal found 9/23![Alaska Airlines logo]()
$476
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 11/38:33 am -
2 stops10h 20m
Fri 11/61:53 pm -
1 stop24h 25m
Deal found 9/25![Alaska Airlines logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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 10/267:18 pm -
1 stop14h 48m
Fri 10/3011:48 am -
1 stop26h 49m
Deal found 9/24![Alaska Airlines logo]()
$513
Best flights from Bellingham to IdahoDiscover carefully curated flight deals from Bellingham to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
Discover carefully curated flight deals from Bellingham to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 11/27:29 pm -
1 stop12h 38m
Mon 11/98:59 pm -
1 stop22h 50m
Deal found 9/25![Alaska Airlines logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 11/137:29 pm -
1 stop21h 34m
Sun 11/158:20 am -
1 stop11h 29m
Deal found 9/23![Alaska Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 11/127:29 pm -
1 stop12h 38m
Sun 11/158:20 am -
1 stop11h 29m
Deal found 9/23![Alaska Airlines logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 12/252:38 pm -
1 stop4h 27m
Wed 12/302:07 pm -
1 stop5h 33m
Deal found 9/25![Alaska Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 10/267:18 pm -
1 stop14h 48m
Fri 10/3011:48 am -
1 stop26h 49m
Deal found 9/26![Alaska Airlines logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 11/67:29 pm -
2 stops16h 28m
Sun 11/88:20 am -
1 stop5h 58m
Deal found 9/25![Alaska Airlines logo]()
$514
This Priceline deal was found by Cheapflights users on 9/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:24 pm -
1 stop3h 35m
Sun 11/297:59 pm -
1 stop5h 00m
Deal found 9/23![Alaska Airlines logo]()
$560
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 12/177:20 pm -
1 stop22h 20m
Sat 12/191:03 pm -
1 stop6h 37m
Deal found 9/23![Alaska Airlines logo]()
$581
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 10/107:18 pm -
1 stop3h 41m
Wed 10/144:20 pm -
1 stop7h 15m
Deal found 9/25![Alaska Airlines logo]()
$665
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 10/178:20 am -
2 stops6h 24m
Sat 10/178:23 pm -
1 stop3h 12m
Deal found 9/25![Alaska Airlines logo]()
$726
Last-minute flights from Bellingham to IdahoDiscover last-minute flight deals from Bellingham to Idaho. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from Bellingham to Idaho. Data last updated September 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Fri 10/26:00 am -
1 stop6h 55m
Sun 10/42:50 pm -
1 stop22h 20m
Deal found 9/25![Multiple Airlines logo]()
$812
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/84:58 pm -
1 stop19h 57m
Mon 10/121:30 pm -
1 stop28h 30m
Deal found 9/23![Multiple Airlines logo]()
$555
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 10/87:18 pm -
1 stop3h 41m
Mon 10/121:32 pm -
2 stops11h 21m
Deal found 9/23![Alaska Airlines logo]()
$769
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 10/107:18 pm -
1 stop3h 41m
Wed 10/144:20 pm -
1 stop7h 15m
Deal found 9/25![Alaska Airlines logo]()
$665
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 10/178:20 am -
2 stops6h 24m
Sat 10/178:23 pm -
1 stop3h 12m
Deal found 9/25![Alaska Airlines logo]()
$726
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 10/237:18 pm -
1 stop16h 17m
Sun 10/258:25 am -
1 stop6h 12m
Deal found 9/23![Alaska Airlines logo]()
$471
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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 10/267:18 pm -
1 stop14h 48m
Fri 10/3011:48 am -
1 stop26h 49m
Deal found 9/24![Alaska Airlines logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 10/307:18 pm -
1 stop17h 53m
Wed 12/24:10 pm -
1 stop3h 41m
Deal found 9/25![Alaska Airlines logo]()
$418
One-way flights from Bellingham to IdahoSearch for one-way flight options from Bellingham to Idaho. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
Search for one-way flight options from Bellingham to Idaho. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 10/172:17 pm -
1 stop18h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Alaska Airlines logo]()
$432
Find 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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $418 (Alaska Airlines) |
Popular in | August |
Cheapest in | January |
Average price | $524 |
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 7,457,451 searches. Data last updated September 27, 2026.
Use the filters below to find and compare flights from Bellingham to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Mon 11/2
7:29 pm-9:07 am
1 stop12h 38m
Boise Air Term. Gowen Fld
Mon 11/9
8:59 pm-6:49 pm
1 stop22h 50m
$428
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Sat 10/17
2:17 pm-9:56 am
1 stop18h 39m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$432
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Fri 11/13
7:29 pm-6:03 pm
1 stop21h 34m
Boise Air Term. Gowen Fld
Sun 11/15
8:20 am-6:49 pm
1 stop11h 29m
$433
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Thu 11/12
7:29 pm-9:07 am
1 stop12h 38m
Boise Air Term. Gowen Fld
Sun 11/15
8:20 am-6:49 pm
1 stop11h 29m
$443
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Fri 12/25
2:38 pm-8:05 pm
1 stop4h 27m
Boise Air Term. Gowen Fld
Wed 12/30
2:07 pm-6:40 pm
1 stop5h 33m
$445
BellinghamHailey
BLI Bellingham - SUN Hailey Sun Valley-Friedman
BLISUN
Bellingham
Mon 10/26
7:18 pm-11:06 am
1 stop14h 48m
Hailey Sun Valley-Friedman
Fri 10/30
11:48 am-1:37 pm
1 stop26h 49m
$513
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Fri 11/6
7:29 pm-12:57 pm
2 stops16h 28m
Boise Air Term. Gowen Fld
Sun 11/8
8:20 am-1:18 pm
1 stop5h 58m
$514
Quickest round-trip
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Tue 11/24
7:24 pm-11:59 pm
1 stop3h 35m
Boise Air Term. Gowen Fld
Sun 11/29
7:59 pm-11:59 pm
1 stop5h 00m
$560
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Thu 12/17
7:20 pm-6:40 pm
1 stop22h 20m
Boise Air Term. Gowen Fld
Sat 12/19
1:03 pm-6:40 pm
1 stop6h 37m
$581
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Sat 10/10
7:18 pm-11:59 pm
1 stop3h 41m
Boise Air Term. Gowen Fld
Wed 10/14
4:20 pm-10:35 pm
1 stop7h 15m
$665
Showing 1-10 of 11 resultsSorted by cheapest first
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.
BLI-BOI
BLI-SUN
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
BLI-USID
BLI-BOI
BLI-SUN
No data available for this route at this time. Please check back soon.
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 27, 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.
Food
7.0
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
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.
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Alternative routes for Bellingham to Idaho
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Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
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Bellingham and Idaho flights
Browse other Bellingham and Idaho flight options. Last updated on September 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Bellingham to Idaho flights
Consider these flights traveling from Bellingham to Idaho.
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 7,457,451 searches. Data last updated September 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$224 | Average$376 | FlexibilityNo cancel fee | On-time75% |