What is the cheapest airline that flies from Bellingham to Idaho?

Alaska Airlines is the most popular carrier operating from Bellingham to Idaho

When did momondo last update prices for flights from Bellingham Airport to Idaho?

Prices for flights from Bellingham Airport to Idaho are refreshed on a daily basis.

How many operators does momondo search for flights from Bellingham Airport to Idaho?

As of September 2026, there is 1 operator available to choose from for flights from Bellingham Airport to Idaho.

How old do you have to be to fly from Bellingham Airport to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bellingham Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$199 Cheap Flights from Bellingham to Idaho in 2026/27

Find the cheapest flights from Bellingham to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:18 pm - 11:59 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

3h 41m1 stop Seattle/Tacoma Intl

2:06 pm - 6:38 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

5h 32m1 stop Seattle/Tacoma Intl

$425Alaska Airlines

Wed, Oct 21 - Wed, Oct 28

7:29 pm - 6:03 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

21h 34m1 stop Seattle/Tacoma Intl

8:20 am - 6:49 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

11h 29m1 stop Seattle/Tacoma Intl

$433Alaska Airlines

Fri, Nov 13 - Sun, Nov 15

7:29 pm - 9:07 amBLI Bellingham-BOI Boise Air Term. Gowen Fld

12h 38m1 stop Seattle/Tacoma Intl

8:20 am - 6:49 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

11h 29m1 stop Seattle/Tacoma Intl

$443Alaska Airlines

Thu, Nov 12 - Sun, Nov 15

7:29 pm - 11:49 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

3h 20m1 stop Seattle/Tacoma Intl

5:40 am - 11:38 amBOI Boise Air Term. Gowen Fld-BLI Bellingham

6h 58m1 stop Portland

$464Alaska Airlines

Fri, Nov 13 - Fri, Nov 20

7:18 pm - 12:35 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

16h 17m1 stop Seattle/Tacoma Intl

8:25 am - 1:37 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

6h 12m1 stop Seattle/Tacoma Intl

$471Alaska Airlines

Fri, Oct 23 - Sun, Oct 25

7:29 pm - 10:39 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

26h 10m2 stops Seattle/Tacoma Intl San Diego

6:37 am - 6:49 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

13h 12m1 stop Seattle/Tacoma Intl

$476Alaska Airlines

Fri, Nov 13 - Sun, Nov 15

8:19 am - 1:11 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

3h 52m1 stop Portland

4:56 pm - 11:49 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

7h 53m1 stop Seattle/Tacoma Intl

$492Alaska Airlines

Thu, Dec 31 - Sun, Jan 3

7:18 pm - 11:06 amBLI Bellingham-SUN Hailey Sun Valley-Friedman

14h 48m1 stop Seattle/Tacoma Intl

11:48 am - 1:37 pmSUN Hailey Sun Valley-Friedman-BLI Bellingham

26h 49m1 stop Seattle/Tacoma Intl

$493Alaska Airlines

Mon, Oct 26 - Fri, Oct 30

6:00 am - 1:55 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

6h 55m1 stop Las Vegas Harry Reid Intl

2:50 pm - 11:34 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

9h 44m1 stop Las Vegas Harry Reid Intl

$515Multiple Airlines

Mon, Oct 5 - Fri, Oct 9

4:58 pm - 1:55 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

19h 57m1 stop Las Vegas Harry Reid Intl

1:30 pm - 5:00 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

28h 30m1 stop Phoenix-Mesa Gateway

$555Multiple Airlines

Thu, Oct 8 - Mon, Oct 12

Cheap last minute flights

Enter your travel dates to find the best prices.

4:59 pm - 1:55 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

19h 56m1 stop Las Vegas Harry Reid Intl

2:50 pm - 12:10 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

22h 20m1 stop Las Vegas Harry Reid Intl

$737Multiple Airlines

Sun, Sep 27 - Sun, Oct 4

7:30 am - 4:06 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

31h 36m2 stops Las Vegas Harry Reid Intl Santa Ana J. Wayne/Orange Cnty

2:50 pm - 12:10 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

22h 20m1 stop Las Vegas Harry Reid Intl

$924Multiple Airlines

Sun, Sep 27 - Sun, Oct 4

7:26 pm - 11:44 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

3h 18m1 stop Seattle/Tacoma Intl

10:00 am - 1:26 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

4h 26m1 stop Seattle/Tacoma Intl

$930Alaska Airlines

Fri, Sep 25 - Sun, Sep 27

2:01 pm - 2:48 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

47h 47m2 stops Las Vegas Harry Reid Intl Santa Ana J. Wayne/Orange Cnty

2:50 pm - 12:10 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

22h 20m1 stop Las Vegas Harry Reid Intl

$956Multiple Airlines

Fri, Sep 25 - Sun, Oct 4

5:26 am - 9:56 amBLI Bellingham-BOI Boise Air Term. Gowen Fld

3h 30m1 stop Seattle/Tacoma Intl

1:15 pm - 6:46 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

6h 31m1 stop Seattle/Tacoma Intl

$995Alaska Airlines

Sat, Sep 26 - Mon, Sep 28

7:26 pm - 11:44 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

3h 18m1 stop Seattle/Tacoma Intl

10:00 am - 1:26 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

4h 26m1 stop Seattle/Tacoma Intl

$995Alaska Airlines

Fri, Sep 25 - Sun, Sep 27

7:26 pm - 11:44 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

3h 18m1 stop Seattle/Tacoma Intl

1:15 pm - 6:46 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

6h 31m1 stop Seattle/Tacoma Intl

$995Alaska Airlines

Sat, Sep 26 - Mon, Sep 28

7:26 pm - 3:32 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

19h 06m2 stops Seattle/Tacoma Intl Sacramento Intl

5:59 am - 6:38 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

13h 39m2 stops Portland Seattle/Tacoma Intl

$1,031Alaska Airlines

Sun, Sep 27 - Sun, Oct 4

7:26 pm - 3:32 pmBLI Bellingham-BOI Boise Air Term. Gowen Fld

19h 06m2 stops Seattle/Tacoma Intl Sacramento Intl

4:20 pm - 6:46 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

3h 26m1 stop Seattle/Tacoma Intl

$1,041Alaska Airlines

Fri, Sep 25 - Sun, Sep 27

5:26 am - 9:56 amBLI Bellingham-BOI Boise Air Term. Gowen Fld

3h 30m1 stop Seattle/Tacoma Intl

5:59 am - 10:35 pmBOI Boise Air Term. Gowen Fld-BLI Bellingham

17h 36m1 stop Portland

$1,084Alaska Airlines

Fri, Sep 25 - Sun, Oct 4

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Alaska Airlines flights from Bellingham to Idaho

Our best Alaska Airlines deals on Bellingham to Idaho flight tickets

Alaska Airlines

Oct 21

BLI7:18 pmBellingham

3h 41m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

Oct 28

BOI2:06 pmBoise Air Term. Gowen Fld

5h 32m

1 stop

BLI6:38 pmBellingham

$425

Alaska Airlines

Nov 13

BLI7:29 pmBellingham

21h 34m

1 stop

BOI6:03 pmBoise Air Term. Gowen Fld

Nov 15

BOI8:20 amBoise Air Term. Gowen Fld

11h 29m

1 stop

BLI6:49 pmBellingham

$433

Alaska Airlines

Nov 12

BLI7:29 pmBellingham

12h 38m

1 stop

BOI9:07 amBoise Air Term. Gowen Fld

Nov 15

BOI8:20 amBoise Air Term. Gowen Fld

11h 29m

1 stop

BLI6:49 pmBellingham

$443

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BellinghamBoise

BLI Bellingham - BOI Boise Air Term. Gowen Fld

BLIBOI

Bellingham

Wed 10/21

7:18 pm-11:59 pm

1 stop3h 41m

Boise Air Term. Gowen Fld

Wed 10/28

2:06 pm-6:38 pm

1 stop5h 32m

$425

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 11/13

7:29 pm-11:49 pm

1 stop3h 20m

Boise Air Term. Gowen Fld

Fri 11/20

5:40 am-11:38 am

1 stop6h 58m

$464

BellinghamBoise

BLI Bellingham - BOI Boise Air Term. Gowen Fld

BLIBOI

Bellingham

Fri 10/23

7:18 pm-12:35 pm

1 stop16h 17m

Boise Air Term. Gowen Fld

Sun 10/25

8:25 am-1:37 pm

1 stop6h 12m

$471

BellinghamBoise

BLI Bellingham - BOI Boise Air Term. Gowen Fld

BLIBOI

Bellingham

Fri 11/13

7:29 pm-10:39 pm

2 stops26h 10m

Boise Air Term. Gowen Fld

Sun 11/15

6:37 am-6:49 pm

1 stop13h 12m

$476

BellinghamBoise

BLI Bellingham - BOI Boise Air Term. Gowen Fld

BLIBOI

Bellingham

Thu 12/31

8:19 am-1:11 pm

1 stop3h 52m

Boise Air Term. Gowen Fld

Sun 1/3

4:56 pm-11:49 pm

1 stop7h 53m

$492

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

$493

BellinghamBoise

BLI Bellingham - BOI Boise Air Term. Gowen Fld

BLIBOI

Bellingham

Mon 10/5

6:00 am-1:55 pm

1 stop6h 55m

Boise Air Term. Gowen Fld

Fri 10/9

2:50 pm-11:34 pm

1 stop9h 44m

$515

BellinghamBoise

BLI Bellingham - BOI Boise Air Term. Gowen Fld

BLIBOI

Bellingham

Thu 10/8

4:58 pm-1:55 pm

1 stop19h 57m

Boise Air Term. Gowen Fld

Mon 10/12

1:30 pm-5:00 pm

1 stop28h 30m

$555

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bellingham to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, June is the cheapest month to fly from Bellingham to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Idaho in June, then you should wait until January to fly from Bellingham, when ticket prices are also cheap, with an average price of $224.

Cheap Bellingham to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bellingham to Idaho

Best Price Found	$199
Fastest flight time	2h 46m
Direct flights	None

The best one-way flight to Idaho from Bellingham in the past 72 hours is $199. The best round-trip flight deal from Bellingham to Idaho found on momondo in the last 72 hours is $425.

The fastest flight from Bellingham to Idaho takes 2h 46m

There are no direct flights from Bellingham to Idaho. There are no popular flight routes from Bellingham to Idaho.

Search flight deals

Frequently asked questions about flying from Bellingham to Idaho

When did momondo last update prices for flights from Bellingham Airport to Idaho?
Prices for flights from Bellingham Airport to Idaho are refreshed on a daily basis.
How many operators does momondo search for flights from Bellingham Airport to Idaho?
As of September 2026, there is 1 operator available to choose from for flights from Bellingham Airport to Idaho.
How old do you have to be to fly from Bellingham Airport to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bellingham Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Bellingham to Idaho

Compare and see reviews for airlines that fly from Bellingham to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $224	Free Cancellation	Rating 7.9 12,963 reviews		Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Bellingham to Idaho?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Bellingham to Idaho for you.

Can I find flights from Bellingham to Idaho with flexible booking policies on momondo?

All flight searches from Bellingham to Idaho on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Bellingham to Idaho?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Bellingham.

I’m not ready to book a flight from Bellingham to Idaho right now. Can momondo alert me if prices change?

Price alerts on flights to Idaho from Bellingham are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.