What airlines fly to Idaho?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Idaho from Baltimore according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 5 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Baltimore/Washington to Idaho?

Alaska Airlines, Southwest, and Delta are the most popular carriers operating from Baltimore/Washington to Idaho

When did momondo last update prices for flights from Baltimore/Washington Airport to Idaho?

Prices for flights from Baltimore/Washington Airport to Idaho are refreshed on a daily basis.

How many operators does momondo search for flights from Baltimore/Washington Airport to Idaho?

As of June 2026, there are 5 operators available to choose from for flights from Baltimore/Washington Airport to Idaho.

How old do you have to be to fly from Baltimore/Washington Airport to Idaho?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Baltimore/Washington Airport to Idaho.

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

The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$147 Cheap Flights from Baltimore to Idaho in 2026

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Find the cheapest flights from Baltimore to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 am - 12:53 pm

BWI

GEG

9h 48m

1 stop

5:20 pm - 6:18 am

GEG

BWI

9h 58m

1 stop

$205Delta

Tue, Sep 15 - Tue, Sep 22

6:00 am - 1:03 pm

BWI

BOI

9h 03m

1 stop

5:20 am - 2:03 pm

BOI

BWI

6h 43m

1 stop

$214Delta

Wed, Sep 23 - Sat, Sep 26

5:40 pm - 11:20 pm

BWI

BOI

7h 40m

1 stop

6:00 am - 4:30 pm

BOI

BWI

8h 30m

1 stop

$256Southwest

Tue, Sep 8 - Tue, Sep 15

6:35 am - 7:45 pm

BWI

BOI

15h 10m

2 stops

6:00 am - 4:30 pm

BOI

BWI

8h 30m

1 stop

$261Southwest

Tue, Sep 8 - Tue, Sep 15

3:56 pm - 10:20 pm

BWI

BOI

8h 24m

1 stop

12:12 pm - 9:59 pm

BOI

BWI

7h 47m

1 stop

$298American Airlines

Sat, Aug 22 - Sat, Aug 29

4:43 pm - 11:11 pm

BWI

GEG

9h 28m

1 stop

1:27 pm - 6:30 am

GEG

BWI

14h 03m

1 stop

$299Alaska Airlines

Mon, Aug 24 - Tue, Sep 1

12:10 pm - 8:53 pm

BWI

GEG

11h 43m

2 stops

5:00 am - 3:06 pm

GEG

BWI

7h 06m

1 stop

$314United Airlines

Sat, Oct 24 - Sat, Oct 31

4:43 pm - 11:11 pm

BWI

GEG

9h 28m

1 stop

5:12 am - 3:40 pm

GEG

BWI

7h 28m

1 stop

$323Alaska Airlines

Tue, Aug 25 - Wed, Aug 26

12:10 pm - 8:53 pm

BWI

GEG

11h 43m

2 stops

5:00 am - 5:13 pm

GEG

BWI

9h 13m

2 stops

$328United Airlines

Sat, Oct 24 - Sat, Oct 31

7:26 am - 2:57 pm

BWI

JAC

9h 31m

1 stop

11:48 am - 9:59 pm

JAC

BWI

8h 11m

1 stop

$442American Airlines

Tue, Aug 18 - Tue, Aug 25

American Airlines flights from Baltimore to Idaho

Our best American Airlines deals on Baltimore to Idaho flight tickets

American Airlines

Aug 22

BWI3:56 pmBaltimore/Washington

8h 24m

1 stop

BOI10:20 pmBoise Air Term. Gowen Fld

Aug 29

BOI12:12 pmBoise Air Term. Gowen Fld

7h 47m

1 stop

BWI9:59 pmBaltimore/Washington

$298

American Airlines

Aug 12

BWI7:03 amBaltimore/Washington

9h 17m

1 stop

BOI2:20 pmBoise Air Term. Gowen Fld

Aug 26

BOI12:12 pmBoise Air Term. Gowen Fld

7h 47m

1 stop

BWI9:59 pmBaltimore/Washington

$339

American Airlines

Jul 4

BWI7:30 amBaltimore/Washington

9h 16m

1 stop

BOI2:46 pmBoise Air Term. Gowen Fld

Jul 14

BOI3:10 pmBoise Air Term. Gowen Fld

7h 23m

1 stop

BWI12:33 amBaltimore/Washington

$362

Alaska Airlines flights from Baltimore to Idaho

Our best Alaska Airlines deals on Baltimore to Idaho flight tickets

Alaska Airlines

Aug 24

BWI4:43 pmBaltimore/Washington

9h 28m

1 stop

GEG11:11 pmSpokane

Sep 1

GEG1:27 pmSpokane

14h 03m

1 stop

BWI6:30 amBaltimore/Washington

$299

Alaska Airlines

Sep 17

BWI7:50 amBaltimore/Washington

9h 40m

1 stop

BOI3:30 pmBoise Air Term. Gowen Fld

Sep 22

BOI2:16 pmBoise Air Term. Gowen Fld

14h 14m

1 stop

BWI6:30 amBaltimore/Washington

$317

Alaska Airlines

Aug 21

BWI4:43 pmBaltimore/Washington

9h 28m

1 stop

GEG11:11 pmSpokane

Aug 27

GEG5:12 amSpokane

7h 28m

1 stop

BWI3:40 pmBaltimore/Washington

$318

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Tue 9/15

6:05 am-12:53 pm

1 stop9h 48m

Spokane

Tue 9/22

5:20 pm-6:18 am

1 stop9h 58m

$205

Quickest round-trip

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 9/23

6:00 am-1:03 pm

1 stop9h 03m

Boise Air Term. Gowen Fld

Sat 9/26

5:20 am-2:03 pm

1 stop6h 43m

$214

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 9/8

5:40 pm-11:20 pm

1 stop7h 40m

Boise Air Term. Gowen Fld

Tue 9/15

6:00 am-4:30 pm

1 stop8h 30m

$256

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 9/8

6:35 am-7:45 pm

2 stops15h 10m

Boise Air Term. Gowen Fld

Tue 9/15

6:00 am-4:30 pm

1 stop8h 30m

$261

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 8/22

3:56 pm-10:20 pm

1 stop8h 24m

Boise Air Term. Gowen Fld

Sat 8/29

12:12 pm-9:59 pm

1 stop7h 47m

$298

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Mon 8/24

4:43 pm-11:11 pm

1 stop9h 28m

Spokane

Tue 9/1

1:27 pm-6:30 am

1 stop14h 03m

$299

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Sat 10/24

12:10 pm-8:53 pm

2 stops11h 43m

Spokane

Sat 10/31

5:00 am-3:06 pm

1 stop7h 06m

$314

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Tue 8/25

4:43 pm-11:11 pm

1 stop9h 28m

Spokane

Wed 8/26

5:12 am-3:40 pm

1 stop7h 28m

$323

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Sat 10/24

12:10 pm-8:53 pm

2 stops11h 43m

Spokane

Sat 10/31

5:00 am-5:13 pm

2 stops9h 13m

$328

BaltimoreJackson

BWI - JAC

BWIJAC

Baltimore/Washington

Tue 8/18

7:26 am-2:57 pm

1 stop9h 31m

Jackson Hole

Tue 8/25

11:48 am-9:59 pm

1 stop8h 11m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Baltimore 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, July is the cheapest month to fly from Baltimore to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $116. If you don’t want to visit Idaho in July, then you should wait until March to fly from Baltimore, when ticket prices are also cheap, with an average price of $170.

How far in advance should I book a flight from Baltimore to Idaho?

You are more likely to see cheaper flights to Idaho from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $480 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Baltimore for as low as $385 on momondo.

Can stopping save me money on Baltimore to Idaho flights?

You could potentially save up to 33% on your flight if you consider stops on a Baltimore to Idaho flight.

Cheap Baltimore to Idaho flight deals and tips

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

Fastest flight time	6h 22m
Direct flights	None

The fastest flight from Baltimore to Idaho takes 6h 22m

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

Search flight deals

Frequently asked questions about flying from Baltimore to Idaho

When did momondo last update prices for flights from Baltimore/Washington Airport to Idaho?
Prices for flights from Baltimore/Washington Airport to Idaho are refreshed on a daily basis.
How many operators does momondo search for flights from Baltimore/Washington Airport to Idaho?
As of June 2026, there are 5 operators available to choose from for flights from Baltimore/Washington Airport to Idaho.
How old do you have to be to fly from Baltimore/Washington Airport to Idaho?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Baltimore/Washington Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Baltimore to Idaho

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 8,398 reviews	Search Delta flights
United Airlines	PriceFrom $275	Free Cancellation	Rating 7.4 9,771 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $321	Free Cancellation	Rating 7.9 12,463 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $342	Free Cancellation	Rating 8.0 4,254 reviews	Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho from Baltimore.

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

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

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

momondo provides multiple filters to help you find the best flight to Idaho from Baltimore. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Baltimore to Idaho now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho and let you know when they change.