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Cheap flights from Boise to Washington, D.C. from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Washington, D.C. departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boise to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:39 am - 11:44 pm
BOI
-
BWI
11h 05m2 stops
Delta Logo
6:05 am - 4:17 pm
BWI
-
BOI
12h 12m2 stops
$276Delta
Mon, Jan 12 - Wed, Jan 21
Alaska Airlines Logo
6:23 am - 6:14 pm
BOI
-
BWI
9h 51m1 stop
Alaska Airlines Logo
7:14 pm - 10:52 am
BWI
-
BOI
17h 38m1 stop
$283Alaska Airlines
Tue, Jan 13 - Tue, Jan 20
Delta Logo
9:15 am - 11:44 pm
BOI
-
BWI
12h 29m2 stops
Delta Logo
3:00 pm - 8:55 pm
BWI
-
BOI
7h 55m1 stop
$288Delta
Tue, Jan 13 - Tue, Jan 20
Delta Logo
10:39 am - 11:44 pm
BOI
-
BWI
11h 05m2 stops
Delta Logo
3:00 pm - 8:55 pm
BWI
-
BOI
7h 55m1 stop
$311Delta
Mon, Jan 12 - Wed, Jan 21
Delta Logo
11:20 am - 11:26 pm
BOI
-
BWI
10h 06m2 stops
Delta Logo
1:02 pm - 9:58 pm
BWI
-
BOI
10h 56m2 stops
$316Delta
Wed, Jan 21 - Thu, Jan 22
Alaska Airlines Logo
5:55 pm - 6:14 pm
BOI
-
BWI
22h 19m1 stop
Alaska Airlines Logo
7:14 pm - 10:52 am
BWI
-
BOI
17h 38m1 stop
$325Alaska Airlines
Mon, Jan 12 - Wed, Jan 21
United Airlines Logo
12:19 pm - 9:21 pm
BOI
-
BWI
7h 02m1 stop
United Airlines Logo
8:42 am - 4:10 pm
BWI
-
BOI
9h 28m1 stop
$327United Airlines
Sat, Jan 17 - Mon, Jan 19
Delta Logo
3:01 pm - 11:47 pm
BOI
-
BWI
6h 46m1 stop
Delta Logo
6:00 am - 1:04 pm
BWI
-
BOI
9h 04m1 stop
$330Delta
Wed, Mar 4 - Wed, Mar 11
United Airlines Logo
10:15 am - 11:15 pm
BOI
-
BWI
11h 00m2 stops
United Airlines Logo
8:42 am - 4:10 pm
BWI
-
BOI
9h 28m1 stop
$332United Airlines
Sat, Jan 17 - Mon, Jan 19
Delta Logo
12:51 pm - 11:44 pm
BOI
-
BWI
8h 53m1 stop
Delta Logo
5:40 am - 2:03 pm
BWI
-
BOI
10h 23m2 stops
$335Delta
Wed, Mar 4 - Wed, Mar 11

Alaska Airlines flights from Boise to Baltimore

Our best Alaska Airlines deals on Boise to Baltimore flight tickets
Alaska Airlines
Jan 13
BOI6:23 amBoise Air Term. Gowen Fld
9h 51m
1 stop
BWI6:14 pmBaltimore/Washington
Jan 20
BWI7:14 pmBaltimore/Washington
17h 38m
1 stop
BOI10:52 amBoise Air Term. Gowen Fld
$283
Find similar
Alaska Airlines
Jan 12
BOI5:55 pmBoise Air Term. Gowen Fld
22h 19m
1 stop
BWI6:14 pmBaltimore/Washington
Jan 21
BWI7:14 pmBaltimore/Washington
17h 38m
1 stop
BOI10:52 amBoise Air Term. Gowen Fld
$325
Find similar
Alaska Airlines
Jan 21
BOI5:55 pmBoise Air Term. Gowen Fld
22h 19m
1 stop
BWI6:14 pmBaltimore/Washington
Jan 22
BWI7:14 pmBaltimore/Washington
17h 38m
1 stop
BOI10:52 amBoise Air Term. Gowen Fld
$340
Find similar

United Airlines flights from Boise to Baltimore

Our best United Airlines deals on Boise to Baltimore flight tickets
United Airlines
Jan 17
BOI12:19 pmBoise Air Term. Gowen Fld
7h 02m
1 stop
BWI9:21 pmBaltimore/Washington
Jan 19
BWI8:42 amBaltimore/Washington
9h 28m
1 stop
BOI4:10 pmBoise Air Term. Gowen Fld
$327
Find similar
United Airlines
Jan 17
BOI10:15 amBoise Air Term. Gowen Fld
11h 00m
2 stops
BWI11:15 pmBaltimore/Washington
Jan 19
BWI8:42 amBaltimore/Washington
9h 28m
1 stop
BOI4:10 pmBoise Air Term. Gowen Fld
$332
Find similar
United Airlines
Jan 12
BOI10:48 amBoise Air Term. Gowen Fld
10h 27m
2 stops
BWI11:15 pmBaltimore/Washington
Jan 15
BWI8:42 amBaltimore/Washington
9h 28m
1 stop
BOI4:10 pmBoise Air Term. Gowen Fld
$380
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Baltimore 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Boise to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 1/12

10:39 am-11:44 pm

2 stops11h 05m

Baltimore/Washington

Wed 1/21

6:05 am-4:17 pm

2 stops12h 12m

$276

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 1/13

6:23 am-6:14 pm

1 stop9h 51m

Baltimore/Washington

Tue 1/20

7:14 pm-10:52 am

1 stop17h 38m

$283

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 1/13

9:15 am-11:44 pm

2 stops12h 29m

Baltimore/Washington

Tue 1/20

3:00 pm-8:55 pm

1 stop7h 55m

$288

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 1/12

10:39 am-11:44 pm

2 stops11h 05m

Baltimore/Washington

Wed 1/21

3:00 pm-8:55 pm

1 stop7h 55m

$311

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 1/21

11:20 am-11:26 pm

2 stops10h 06m

Baltimore/Washington

Thu 1/22

1:02 pm-9:58 pm

2 stops10h 56m

$316

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 1/12

5:55 pm-6:14 pm

1 stop22h 19m

Baltimore/Washington

Wed 1/21

7:14 pm-10:52 am

1 stop17h 38m

$325

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 1/17

12:19 pm-9:21 pm

1 stop7h 02m

Baltimore/Washington

Mon 1/19

8:42 am-4:10 pm

1 stop9h 28m

$327

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 3/4

3:01 pm-11:47 pm

1 stop6h 46m

Baltimore/Washington

Wed 3/11

6:00 am-1:04 pm

1 stop9h 04m

$330

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 1/17

10:15 am-11:15 pm

2 stops11h 00m

Baltimore/Washington

Mon 1/19

8:42 am-4:10 pm

1 stop9h 28m

$332

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 3/4

12:51 pm-11:44 pm

1 stop8h 53m

Baltimore/Washington

Wed 3/11

5:40 am-2:03 pm

2 stops10h 23m

$335

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Boise to Baltimore

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

What is the typical price of a round-trip flight between Boise and Baltimore?

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in January, then September is your next best option. Flight prices from Boise to Baltimore during September average around $362.

What is the cheapest day to depart on your flight to Baltimore?

The cheapest day to depart from Boise to Baltimore is on a Friday. Travelers who choose to depart for Baltimore on a Friday will often find tickets for as low as $432. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $760. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

What is the cheapest time of day to depart on your flight to Baltimore?

Flying to Baltimore from Boise in the evening is the least expensive time of day to depart. momondo users have found prices as low as $407 when looking at flights departing in the evening. Flights at noon are often more expensive with an average ticket price of $572.

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

You are more likely to see cheaper flights to Baltimore from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $433 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Boise for as low as $354 on momondo.

How have Boise to Baltimore flight prices changed over time?

As of December 2025, prices for Boise to Baltimore flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Boise to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Baltimore (BOI to BWI) flight deals and tips

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

Fastest flight time

6h 35m

Direct flights

None
The fastest flight from Boise to Baltimore takes 6h 35m
There are no direct flights from Boise to Baltimore. There are no popular flight routes from Boise to Baltimore.
Search flight deals

  • How far is Boise Air Term. Gowen Fld to Baltimore/Washington by plane?

    Boise Air Term. Gowen Fld and Baltimore/Washington are 2050.8 mi apart from one another. In terms of flight time, this usually takes a little over 6h 35m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Baltimore/Washington Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Baltimore/Washington Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Baltimore/Washington Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Baltimore/Washington Airport?

    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 Boise Air Term. Gowen Fld Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The required travel and health documents for your Baltimore/Washington Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Baltimore/Washington Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Boise to Baltimore?

Best airlines flying from Boise to Baltimore

Compare and see reviews for airlines that fly from Boise to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $286Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $305Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
SouthwestPriceFrom $351Free CancellationRating
7.9
4,252 reviews
Search Southwest flights

Why use momondo?

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

Finding the right flight to Baltimore from Boise is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Baltimore quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Baltimore from Boise which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boise to Baltimore.

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

Of course. momondo tracks the price of Boise to Baltimore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Baltimore trip

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