$274+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — BOI
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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Find cheap flights from Bellingham to Idaho with Cheapflights
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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 November 9, 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 November 9, 2026.
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/252:44 pm -
1 stop18h 00m
Tue 12/295:00 pm -
1 stop7h 47m
Deal found 11/5![Alaska Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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.
Fri 12/2512:36 pm -
2 stops8h 42m
Wed 12/302:12 pm -
1 stop9h 07m
Deal found 11/8![Alaska Airlines logo]()
$518
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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.
Tue 12/18:31 am -
1 stop3h 38m
Fri 12/47:45 pm -
1 stop18h 41m
Deal found 11/7![Alaska Airlines logo]()
$675
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 11/237:24 pm -
1 stop3h 35m
Fri 11/276:33 am -
1 stop7h 53m
Deal found 11/8![Alaska Airlines logo]()
$705
This Expedia deal was found by Cheapflights users on 11/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:58 pm -
1 stop3h 05m
Sat 11/217:21 pm -
1 stop5h 29m
Deal found 11/8![Alaska Airlines logo]()
$905
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 11/238:21 am -
2 stops25h 35m
Fri 11/2711:38 am -
2 stops13h 21m
Deal found 11/8![Alaska Airlines logo]()
$915
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 November 9, 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 November 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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.
Fri 12/257:20 pm -
1 stop13h 24m
Wed 12/302:12 pm -
1 stop9h 07m
Deal found 11/8![Alaska Airlines logo]()
$433
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/252:44 pm -
1 stop18h 00m
Tue 12/295:00 pm -
1 stop7h 47m
Deal found 11/5![Alaska Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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.
Mon 2/229:00 am -
1 stop23h 38m
Fri 2/266:48 pm -
1 stop18h 29m
Deal found 11/6![Alaska Airlines logo]()
$473
This Priceline deal was found by Cheapflights users on 11/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/142:44 pm -
1 stop8h 00m
Thu 1/213:01 pm -
2 stops8h 35m
Deal found 11/6![Alaska Airlines logo]()
$538
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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.
Tue 12/18:31 am -
1 stop3h 38m
Fri 12/47:45 pm -
1 stop18h 41m
Deal found 11/7![Alaska Airlines logo]()
$675
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 11/237:24 pm -
1 stop3h 35m
Fri 11/276:33 am -
1 stop7h 53m
Deal found 11/8![Alaska Airlines logo]()
$705
This Travelocity deal was found by Cheapflights users on 11/8. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:09 am -
1 stop4h 47m
Fri 11/2711:38 am -
2 stops13h 21m
Deal found 11/8![Alaska Airlines logo]()
$956
Last-minute flights from Bellingham to IdahoDiscover last-minute flight deals from Bellingham to Idaho. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Bellingham to Idaho. Data last updated November 9, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 11/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:58 pm -
1 stop3h 05m
Sat 11/217:21 pm -
1 stop5h 29m
Deal found 11/8![Alaska Airlines logo]()
$905
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 11/237:24 pm -
1 stop3h 35m
Fri 11/276:33 am -
1 stop7h 53m
Deal found 11/8![Alaska Airlines logo]()
$705
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 11/238:21 am -
2 stops25h 35m
Fri 11/2711:38 am -
2 stops13h 21m
Deal found 11/8![Alaska Airlines logo]()
$915
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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.
Tue 12/18:31 am -
1 stop3h 38m
Fri 12/47:45 pm -
1 stop18h 41m
Deal found 11/7![Alaska Airlines logo]()
$675
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/252:44 pm -
1 stop18h 00m
Tue 12/295:00 pm -
1 stop7h 47m
Deal found 11/5![Alaska Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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.
Fri 12/2512:36 pm -
2 stops8h 42m
Wed 12/302:12 pm -
1 stop9h 07m
Deal found 11/8![Alaska Airlines logo]()
$518
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 November 9, 2026.
Search for one-way flight options from Bellingham to Idaho. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This Mytrip deal was found by Cheapflights users on 11/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:00 am -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Alaska Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Sun 11/225:29 pm -
1 stop16h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Allegiant Air logo]()
$286
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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.
Fri 12/257:20 pm -
1 stop13h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Alaska Airlines logo]()
$287
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/75:02 am -
1 stop4h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Alaska Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 11/195:29 pm -
1 stop16h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Allegiant Air logo]()
$344
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/108:10 am -
2 stops10h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Alaska Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 11/2112:18 pm -
1 stop3h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Alaska Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 11/199:46 am -
2 stops31h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 11/307:24 pm -
2 stops19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Alaska Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 11/297:24 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Alaska Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Fri 11/2010:36 am -
2 stops26h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$440
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/711:10 am -
3 stops31h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$576
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 November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $387 (Kiwi.com) |
One-way from | $274 (Mytrip) |
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 November 9, 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
Wed 12/23
7:00 am-11:59 pm
1 stop15h 59m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$274
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Fri 12/25
7:20 pm-9:44 am
1 stop13h 24m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$287
BellinghamHailey
BLI Bellingham - SUN Hailey Sun Valley-Friedman
BLISUN
Bellingham
Sun 1/10
5:02 am-10:56 am
1 stop4h 54m
Hailey Sun Valley-Friedman
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$307
BellinghamHailey
BLI Bellingham - SUN Hailey Sun Valley-Friedman
BLISUN
Bellingham
Thu 1/7
8:10 am-2:13 pm
2 stops29h 03m
Hailey Sun Valley-Friedman
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$361
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Sat 11/21
12:18 pm-4:43 pm
1 stop3h 25m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$373
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Mon 11/30
7:24 pm-3:24 pm
2 stops19h 00m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$399
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Fri 12/25
7:20 pm-9:44 am
1 stop13h 24m
Boise Air Term. Gowen Fld
Wed 12/30
2:12 pm-10:19 pm
1 stop9h 07m
$433
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Fri 12/25
2:44 pm-9:44 am
1 stop18h 00m
Boise Air Term. Gowen Fld
Tue 12/29
5:00 pm-11:47 pm
1 stop7h 47m
$433
Quickest round-trip
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Tue 11/17
1:58 pm-6:03 pm
1 stop3h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$473
BellinghamBoise
BLI Bellingham - BOI Boise Air Term. Gowen Fld
BLIBOI
Bellingham
Mon 11/16
1:58 pm-8:02 pm
1 stop5h 04m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$473
Showing 1-10 of 18 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 November 9, 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.
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
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 November 9, 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 November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$224 | Average$376 | FlexibilityNo cancel fee | On-time75% |