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Cheap flights from Boise to Washington, D.C. from $147

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 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
6:44 pm - 6:18 am
BOI
-
BWI
9h 34m
1 stop
Delta Logo
2:59 pm - 8:57 pm
BWI
-
BOI
7h 58m
1 stop
$293Delta
Mon, Sep 21 - Sat, Sep 26
Delta Logo
6:45 pm - 6:20 am
BOI
-
BWI
9h 35m
1 stop
Delta Logo
12:30 pm - 9:59 pm
BWI
-
BOI
11h 29m
2 stops
$298Delta
Thu, Aug 27 - Tue, Sep 1
Delta Logo
3:22 pm - 11:46 pm
BOI
-
BWI
6h 24m
1 stop
Delta Logo
6:59 pm - 11:55 pm
BWI
-
BOI
6h 56m
1 stop
$303Delta
Thu, Dec 10 - Tue, Dec 15
Delta Logo
6:44 pm - 6:20 am
BOI
-
BWI
9h 36m
1 stop
Delta Logo
5:40 pm - 11:58 pm
BWI
-
BOI
8h 18m
2 stops
$308Delta
Sat, Sep 5 - Wed, Sep 16
Alaska Airlines Logo
7:48 pm - 6:30 am
BOI
-
BWI
8h 42m
1 stop
Alaska Airlines Logo
7:50 am - 3:30 pm
BWI
-
BOI
9h 40m
1 stop
$313Alaska Airlines
Tue, Sep 15 - Tue, Sep 22
Southwest Logo
2:20 pm - 6:30 am
BOI
-
BWI
14h 10m
1 stop
Southwest Logo
5:40 pm - 11:20 pm
BWI
-
BOI
7h 40m
1 stop
$324Southwest
Tue, Aug 4 - Tue, Aug 11
Delta Logo
11:10 pm - 10:56 am
BOI
-
BWI
9h 46m
1 stop
Delta Logo
6:15 am - 1:44 pm
BWI
-
BOI
9h 29m
1 stop
$326Delta
Sun, Sep 20 - Tue, Sep 29
Southwest Logo
7:05 am - 7:15 pm
BOI
-
BWI
10h 10m
1 stop
Southwest Logo
11:00 am - 7:45 pm
BWI
-
BOI
10h 45m
2 stops
$330Southwest
Wed, Sep 9 - Wed, Sep 16
Southwest Logo
6:00 am - 4:30 pm
BOI
-
BWI
8h 30m
1 stop
Southwest Logo
5:55 pm - 11:10 pm
BWI
-
BOI
7h 15m
1 stop
$331Southwest
Tue, Aug 25 - Tue, Sep 8
Alaska Airlines Logo
7:48 pm - 6:30 am
BOI
-
BWI
8h 42m
1 stop
Alaska Airlines Logo
7:50 am - 3:30 pm
BWI
-
BOI
9h 40m
1 stop
$336Alaska Airlines
Tue, Sep 15 - Sun, Sep 20

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Delta flights from Boise to Baltimore

Our best Delta deals on Boise to Baltimore flight tickets
Delta
Sep 21
BOI6:44 pmBoise Air Term. Gowen Fld
9h 34m
1 stop
BWI6:18 amBaltimore/Washington
Sep 26
BWI2:59 pmBaltimore/Washington
7h 58m
1 stop
BOI8:57 pmBoise Air Term. Gowen Fld
$293
Delta
Aug 17
BOI11:10 pmBoise Air Term. Gowen Fld
9h 47m
1 stop
BWI10:57 amBaltimore/Washington
Aug 24
BWI2:18 pmBaltimore/Washington
11h 41m
2 stops
BOI11:59 pmBoise Air Term. Gowen Fld
$298
Delta
Nov 12
BOI10:38 amBoise Air Term. Gowen Fld
11h 08m
2 stops
BWI11:46 pmBaltimore/Washington
Nov 17
BWI5:30 pmBaltimore/Washington
8h 34m
2 stops
BOI12:04 amBoise Air Term. Gowen Fld
$303

Southwest flights from Boise to Baltimore

Our best Southwest deals on Boise to Baltimore flight tickets
Southwest
Aug 4
BOI2:20 pmBoise Air Term. Gowen Fld
14h 10m
1 stop
BWI6:30 amBaltimore/Washington
Aug 11
BWI5:40 pmBaltimore/Washington
7h 40m
1 stop
BOI11:20 pmBoise Air Term. Gowen Fld
$324
Southwest
Sep 9
BOI7:05 amBoise Air Term. Gowen Fld
10h 10m
1 stop
BWI7:15 pmBaltimore/Washington
Sep 16
BWI11:00 amBaltimore/Washington
10h 45m
2 stops
BOI7:45 pmBoise Air Term. Gowen Fld
$330
Southwest
Aug 25
BOI6:00 amBoise Air Term. Gowen Fld
8h 30m
1 stop
BWI4:30 pmBaltimore/Washington
Sep 8
BWI7:45 amBaltimore/Washington
14h 00m
2 stops
BOI7:45 pmBoise Air Term. Gowen Fld
$341

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 July 3, 2026.
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

Cheapest round-trip

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 9/21

6:44 pm-6:18 am

1 stop9h 34m

Baltimore/Washington

Sat 9/26

2:59 pm-8:57 pm

1 stop7h 58m

$293

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 8/27

6:45 pm-6:20 am

1 stop9h 35m

Baltimore/Washington

Tue 9/1

12:30 pm-9:59 pm

2 stops11h 29m

$298
Quickest round-trip

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 12/10

3:22 pm-11:46 pm

1 stop6h 24m

Baltimore/Washington

Tue 12/15

6:59 pm-11:55 pm

1 stop6h 56m

$303

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 9/5

6:44 pm-6:20 am

1 stop9h 36m

Baltimore/Washington

Wed 9/16

5:40 pm-11:58 pm

2 stops8h 18m

$308

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 9/15

7:48 pm-6:30 am

1 stop8h 42m

Baltimore/Washington

Tue 9/22

7:50 am-3:30 pm

1 stop9h 40m

$313

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 8/4

2:20 pm-6:30 am

1 stop14h 10m

Baltimore/Washington

Tue 8/11

5:40 pm-11:20 pm

1 stop7h 40m

$324

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sun 9/20

11:10 pm-10:56 am

1 stop9h 46m

Baltimore/Washington

Tue 9/29

6:15 am-1:44 pm

1 stop9h 29m

$326

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 9/9

7:05 am-7:15 pm

1 stop10h 10m

Baltimore/Washington

Wed 9/16

11:00 am-7:45 pm

2 stops10h 45m

$330

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 8/25

6:00 am-4:30 pm

1 stop8h 30m

Baltimore/Washington

Tue 9/8

5:55 pm-11:10 pm

1 stop7h 15m

$331

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 9/15

7:48 pm-6:30 am

1 stop8h 42m

Baltimore/Washington

Sun 9/20

7:50 am-3:30 pm

1 stop9h 40m

$336

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 October, then March is your next best option. Flight prices from Boise to Baltimore during March average around $340.

How have Boise to Baltimore flight prices changed over time?

As of July 2026, prices for Boise to Baltimore flights are approximately 34% 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 23m

Direct flights

None
The fastest flight from Boise to Baltimore takes 6h 23m
There are no direct flights from Boise to Baltimore. There are no popular flight routes from Boise to Baltimore.
Search flight deals

Frequently asked questions about flying from Boise to Baltimore

  • 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 23m.

  • 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 $196Free CancellationRating
7.8
8,453 reviews
Search Delta flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
9,927 reviews
Search United Airlines flights
SouthwestPriceFrom $340Free CancellationRating
7.9
4,250 reviews
Search Southwest flights

  • United Airlines Flights From Boise to Baltimore

    United Airlines flight deals from Boise to Baltimore start from $283 round-trip. Over the 5 United Airlines flights for this route in a normal week, average airfare is usually $516 round-trip - but some users have found much cheaper deals with momondo.

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.

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