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Cheap flights from Boise to Washington, D.C. from $109

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 10/11. 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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Find the cheapest flights from Boise to Washington, D.C.

Cheap round-trip flights

Spirit Airlines Logo
2:16 pm - 4:30 amBOI-BWI
12h 14m1 stop
Spirit Airlines Logo
7:02 pm - 1:21 pmBWI-BOI
20h 19m1 stop
$209Spirit Airlines
Find Deal
Thu, Sep 25 - Fri, Sep 26
Spirit Airlines Logo
2:16 pm - 4:30 amBOI-BWI
12h 14m1 stop
Spirit Airlines Logo
7:02 pm - 8:31 pmBWI-BOI
27h 29m1 stop
$212Spirit Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25
Spirit Airlines Logo
2:16 pm - 4:30 amBOI-BWI
12h 14m1 stop
Spirit Airlines Logo
7:02 pm - 1:21 pmBWI-BOI
20h 19m1 stop
$216Spirit Airlines
Find Deal
Thu, Sep 25 - Fri, Sep 26
Spirit Airlines Logo
2:25 pm - 4:30 amBOI-BWI
12h 05m1 stop
Spirit Airlines Logo
7:50 am - 7:56 pmBWI-BOI
14h 06m1 stop
$218Spirit Airlines
Find Deal
Thu, Oct 23 - Mon, Oct 27
United Airlines Logo
9:45 am - 9:30 pmBOI-BWI
9h 45m1 stop
United Airlines Logo
6:45 am - 1:43 pmBWI-BOI
8h 58m1 stop
$277United Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
Delta Logo
9:00 am - 11:49 pmBOI-BWI
12h 49m2 stops
Delta Logo
12:00 pm - 7:07 pmBWI-BOI
9h 07m2 stops
$292Delta
Find Deal
Wed, Oct 29 - Sat, Nov 1
Southwest Logo
2:35 pm - 5:00 amBOI-BWI
12h 25m1 stop
Southwest Logo
9:10 am - 3:50 pmBWI-BOI
8h 40m1 stop
$297Southwest
Find Deal
Tue, Oct 7 - Tue, Oct 21
Delta Logo
4:20 pm - 6:00 amBOI-BWI
11h 40m2 stops
Delta Logo
8:05 am - 6:16 pmBWI-BOI
12h 11m2 stops
$304Delta
Find Deal
Tue, Sep 23 - Tue, Sep 30
Alaska Airlines Logo
5:38 pm - 6:12 amBOI-BWI
10h 34m1 stop
Alaska Airlines Logo
7:51 am - 2:36 pmBWI-BOI
8h 45m1 stop
$306Alaska Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Southwest Logo
12:50 pm - 11:25 pmBOI-BWI
8h 35m2 stops
Southwest Logo
9:30 am - 6:45 pmBWI-BOI
11h 15m2 stops
$322Southwest
Find Deal
Tue, Oct 7 - Tue, Oct 21

Spirit Airlines flights from Boise to Baltimore

Our best Spirit Airlines deals on Boise to Baltimore flight tickets
Spirit Airlines
Sep 25
BOI2:16 pmBoise Air Term. Gowen Fld
12h 14m
1 stop
BWI4:30 amBaltimore/Washington
Sep 26
BWI7:02 pmBaltimore/Washington
20h 19m
1 stop
BOI1:21 pmBoise Air Term. Gowen Fld
$209
Find similar
Spirit Airlines
Sep 18
BOI2:16 pmBoise Air Term. Gowen Fld
12h 14m
1 stop
BWI4:30 amBaltimore/Washington
Sep 25
BWI7:02 pmBaltimore/Washington
27h 29m
1 stop
BOI8:31 pmBoise Air Term. Gowen Fld
$212
Find similar
Spirit Airlines
Sep 25
BOI2:16 pmBoise Air Term. Gowen Fld
12h 14m
1 stop
BWI4:30 amBaltimore/Washington
Sep 26
BWI7:02 pmBaltimore/Washington
20h 19m
1 stop
BOI1:21 pmBoise Air Term. Gowen Fld
$216
Find similar

United Airlines flights from Boise to Baltimore

Our best United Airlines deals on Boise to Baltimore flight tickets
United Airlines
Oct 7
BOI9:45 amBoise Air Term. Gowen Fld
9h 45m
1 stop
BWI9:30 pmBaltimore/Washington
Oct 14
BWI6:45 amBaltimore/Washington
8h 58m
1 stop
BOI1:43 pmBoise Air Term. Gowen Fld
$277
Find similar
United Airlines
Sep 3
BOI10:40 amBoise Air Term. Gowen Fld
6h 32m
1 stop
BWI7:12 pmBaltimore/Washington
Sep 10
BWI7:00 amBaltimore/Washington
11h 58m
2 stops
BOI4:58 pmBoise Air Term. Gowen Fld
$407
Find similar
United Airlines
Sep 9
BOI7:45 amBoise Air Term. Gowen Fld
13h 00m
2 stops
BWI10:45 pmBaltimore/Washington
Sep 12
BWI10:10 amBaltimore/Washington
10h 59m
2 stops
BOI7:09 pmBoise Air Term. Gowen Fld
$566
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 August 28, 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

Thu 9/25

2:16 pm-4:30 am

1 stop12h 14m

Baltimore/Washington

Fri 9/26

7:02 pm-1:21 pm

1 stop20h 19m

$209

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 9/18

2:16 pm-4:30 am

1 stop12h 14m

Baltimore/Washington

Thu 9/25

7:02 pm-8:31 pm

1 stop27h 29m

$212

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 9/25

2:16 pm-4:30 am

1 stop12h 14m

Baltimore/Washington

Fri 9/26

7:02 pm-1:21 pm

1 stop20h 19m

$216

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 10/23

2:25 pm-4:30 am

1 stop12h 05m

Baltimore/Washington

Mon 10/27

7:50 am-7:56 pm

1 stop14h 06m

$218

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 10/7

9:45 am-9:30 pm

1 stop9h 45m

Baltimore/Washington

Tue 10/14

6:45 am-1:43 pm

1 stop8h 58m

$277

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 10/29

9:00 am-11:49 pm

2 stops12h 49m

Baltimore/Washington

Sat 11/1

12:00 pm-7:07 pm

2 stops9h 07m

$292

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 10/7

2:35 pm-5:00 am

1 stop12h 25m

Baltimore/Washington

Tue 10/21

9:10 am-3:50 pm

1 stop8h 40m

$297

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 9/23

4:20 pm-6:00 am

2 stops11h 40m

Baltimore/Washington

Tue 9/30

8:05 am-6:16 pm

2 stops12h 11m

$304

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 10/8

5:38 pm-6:12 am

1 stop10h 34m

Baltimore/Washington

Wed 10/15

7:51 am-2:36 pm

1 stop8h 45m

$306

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 10/7

12:50 pm-11:25 pm

2 stops8h 35m

Baltimore/Washington

Tue 10/21

9:30 am-6:45 pm

2 stops11h 15m

$322

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 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 $386.

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 $439 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 $378 on momondo.

How have Boise to Baltimore flight prices changed over time?

As of August 2025, prices for Boise to Baltimore flights are approximately 4% more expensive 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

Direct flights

None
There are no direct flights from Boise to Baltimore. There are no popular flight routes from Boise to Baltimore.
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  • 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 7h 46m.

  • 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 $292Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Alaska AirlinesPriceFrom $300Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $305Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
SouthwestPriceFrom $352Free CancellationRating
8.0
4,242 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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