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Cheap flights from Idaho to Washington, D.C. from $101

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Washington, D.C. departing on 9/21. 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 Idaho to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:12 pm - 9:34 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 22m1 stop Dallas/Fort Worth
American Airlines Logo
3:57 pm - 10:27 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
8h 30m1 stop Dallas/Fort Worth
$201American Airlines
Wed, Sep 2 - Wed, Sep 9
American Airlines Logo
1:27 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
8h 32m1 stop Chicago O'Hare Intl
American Airlines Logo
7:16 am - 12:42 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
7h 26m1 stop Chicago O'Hare Intl
$201American Airlines
Tue, Nov 10 - Tue, Nov 17
Delta Logo
1:38 pm - 11:30 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 52m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:15 pm - 11:56 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
6h 41m1 stop Minneapolis St Paul
$201Delta
Wed, Nov 11 - Tue, Nov 17
Delta Logo
11:35 pm - 9:16 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 41m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:15 pm - 11:56 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
6h 41m1 stop Minneapolis St Paul
$201Delta
Thu, Nov 12 - Tue, Nov 17
Southwest Logo
1:05 pm - 9:45 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
6h 40m1 stop Denver Intl
Southwest Logo
2:55 pm - 10:30 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
9h 35m2 stops Nashville Intl Denver Intl
$206Southwest
Tue, Nov 10 - Tue, Nov 17
Southwest Logo
7:55 am - 8:00 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
10h 05m2 stops Denver Intl Dallas Love Field
Southwest Logo
3:45 pm - 10:30 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
8h 45m2 stops Birmingham Denver Intl
$211Southwest
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
10:31 am - 7:34 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 03m1 stop Denver Intl
United Airlines Logo
12:10 pm - 10:40 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
12h 30m2 stops Chicago O'Hare Intl Denver Intl
$256United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
12:24 pm - 11:00 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
8h 36m1 stop Chicago O'Hare Intl
United Airlines Logo
4:22 pm - 10:40 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
8h 18m1 stop Denver Intl
$276United Airlines
Thu, Sep 3 - Sat, Sep 12
Alaska Airlines Logo
6:21 pm - 6:30 amGEG  Spokane-BWI Baltimore/Washington
9h 09m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:15 pm - 11:59 pmBWI  Baltimore/Washington-GEG Spokane
7h 44m1 stop Seattle/Tacoma Intl
$316Alaska Airlines
Sat, Sep 5 - Fri, Sep 11
Alaska Airlines Logo
4:37 pm - 5:40 amGEG  Spokane-BWI Baltimore/Washington
10h 03m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 12:45 pmBWI  Baltimore/Washington-GEG Spokane
8h 45m1 stop Seattle/Tacoma Intl
$339Alaska Airlines
Mon, Nov 2 - Wed, Nov 4

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Delta flights from Idaho to Baltimore

Our best Delta deals on Idaho to Baltimore flight tickets
Delta
Nov 9
BOI3:00 pmBoise Air Term. Gowen Fld
6h 41m
1 stop
BWI11:41 pmBaltimore/Washington
Nov 14
BWI7:05 amBaltimore/Washington
8h 03m
1 stop
BOI1:08 pmBoise Air Term. Gowen Fld
$201
Delta
Sep 9
GEG5:14 pmSpokane
10h 04m
1 stop
BWI6:18 amBaltimore/Washington
Oct 7
BWI7:00 amBaltimore/Washington
8h 19m
1 stop
GEG12:19 pmSpokane
$223
Delta
Nov 13
BOI3:00 pmBoise Air Term. Gowen Fld
6h 41m
1 stop
BWI11:41 pmBaltimore/Washington
Nov 18
BWI7:15 pmBaltimore/Washington
6h 41m
1 stop
BOI11:56 pmBoise Air Term. Gowen Fld
$226

Southwest flights from Idaho to Baltimore

Our best Southwest deals on Idaho to Baltimore flight tickets
Southwest
Nov 10
BOI1:05 pmBoise Air Term. Gowen Fld
6h 40m
1 stop
BWI9:45 pmBaltimore/Washington
Nov 17
BWI2:55 pmBaltimore/Washington
9h 35m
2 stops
BOI10:30 pmBoise Air Term. Gowen Fld
$206
Southwest
Nov 10
BOI7:55 amBoise Air Term. Gowen Fld
10h 05m
2 stops
BWI8:00 pmBaltimore/Washington
Nov 17
BWI3:45 pmBaltimore/Washington
8h 45m
2 stops
BOI10:30 pmBoise Air Term. Gowen Fld
$211
Southwest
Nov 9
GEG10:05 amSpokane
8h 20m
1 stop
BWI9:25 pmBaltimore/Washington
Nov 18
BWI6:05 amBaltimore/Washington
9h 45m
1 stop
GEG12:50 pmSpokane
$224

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 11, 2026.
Use the filters below to find and compare flights from Idaho to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Wed 9/2

12:12 pm-9:34 pm

1 stop7h 22m

Baltimore/Washington

Wed 9/9

3:57 pm-10:27 pm

1 stop8h 30m

$201

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Tue 11/10

1:27 pm-11:59 pm

1 stop8h 32m

Baltimore/Washington

Tue 11/17

7:16 am-12:42 pm

1 stop7h 26m

$201

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Wed 11/11

1:38 pm-11:30 pm

1 stop7h 52m

Baltimore/Washington

Tue 11/17

7:15 pm-11:56 pm

1 stop6h 41m

$201
Quickest round-trip

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Thu 11/12

11:35 pm-9:16 am

1 stop7h 41m

Baltimore/Washington

Tue 11/17

7:15 pm-11:56 pm

1 stop6h 41m

$201

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Tue 11/10

1:05 pm-9:45 pm

1 stop6h 40m

Baltimore/Washington

Tue 11/17

2:55 pm-10:30 pm

2 stops9h 35m

$206

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Tue 11/10

7:55 am-8:00 pm

2 stops10h 05m

Baltimore/Washington

Tue 11/17

3:45 pm-10:30 pm

2 stops8h 45m

$211

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Wed 9/2

10:31 am-7:34 pm

1 stop7h 03m

Baltimore/Washington

Wed 9/9

12:10 pm-10:40 pm

2 stops12h 30m

$256

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Thu 9/3

12:24 pm-11:00 pm

1 stop8h 36m

Baltimore/Washington

Sat 9/12

4:22 pm-10:40 pm

1 stop8h 18m

$276

SpokaneBaltimore

GEG Spokane - BWI Baltimore/Washington

GEGBWI

Spokane

Sat 9/5

6:21 pm-6:30 am

1 stop9h 09m

Baltimore/Washington

Fri 9/11

7:15 pm-11:59 pm

1 stop7h 44m

$316

SpokaneBaltimore

GEG Spokane - BWI Baltimore/Washington

GEGBWI

Spokane

Mon 11/2

4:37 pm-5:40 am

1 stop10h 03m

Baltimore/Washington

Wed 11/4

7:00 am-12:45 pm

1 stop8h 45m

$339

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 Idaho 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 March, then September is your next best option. Flight prices from Idaho to Baltimore during September average around $343.

Can stopping save me money on Idaho to Baltimore flights?

You could potentially save up to 59% on your flight if you consider stops on a Idaho to Baltimore flight.

Cheap Idaho to Baltimore flight deals and tips

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

Fastest flight time

6h 12m

Direct flights

None
The fastest flight from Idaho to Baltimore takes 6h 12m
There are no direct flights from Idaho to Baltimore. There are no popular flight routes from Idaho to Baltimore.
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Frequently asked questions about flying from Idaho to Baltimore

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

    Prices for flights from Idaho to Baltimore/Washington Airport were last updated today.

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

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

    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 Idaho to Baltimore/Washington Airport.

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

    The necessary travel and health documents for your Baltimore/Washington Airport 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 Idaho to Baltimore

Compare and see reviews for airlines that fly from Idaho to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $196Free CancellationRating
7.8
8,505 reviews
Search Delta flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights
SouthwestPriceFrom $335Free CancellationRating
8.0
4,220 reviews
Search Southwest flights

Why use momondo?

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

It is quick and easy to find Idaho to Baltimore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Baltimore that suits you.

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

Flights from Idaho to Baltimore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Baltimore from Idaho.

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

Of course. momondo tracks the price of Idaho 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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