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Cheap flights from Idaho to Washington, D.C. from $97

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 9/15. 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
0 bags

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Find the cheapest flights from Idaho 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
$197Spirit Airlines
Find Deal
jue., sep. 18 - mié., sep. 24
Spirit Airlines Logo
9:26 pm - 4:30 amBOI-BWI
29h 04m1 stop
Spirit Airlines Logo
8:16 am - 8:31 pmBWI-BOI
14h 15m1 stop
$209Spirit Airlines
Find Deal
vie., sep. 12 - lun., sep. 15
Spirit Airlines Logo
9:26 pm - 4:30 amBOI-BWI
29h 04m1 stop
Spirit Airlines Logo
7:02 pm - 8:31 pmBWI-BOI
27h 29m1 stop
$213Spirit Airlines
Find Deal
vie., sep. 5 - dom., sep. 7
Logo
2:25 pm - 4:30 amBOI-BWI
12h 05m1 stop
Logo
7:38 am - 4:17 pmBWI-BOI
10h 39m1 stop
$235
Find Deal
sáb., oct. 25 - jue., oct. 30
Logo
2:16 pm - 4:30 amBOI-BWI
12h 14m1 stop
Logo
7:38 am - 4:17 pmBWI-BOI
10h 39m1 stop
$245
Find Deal
sáb., oct. 25 - sáb., nov. 1
Delta Logo
6:38 pm - 6:00 amGEG-BWI
8h 22m1 stop
Delta Logo
7:15 am - 11:55 amBWI-GEG
7h 40m1 stop
$259Delta
Find Deal
mar., sep. 9 - mar., sep. 16
Delta Logo
6:38 pm - 6:00 amGEG-BWI
8h 22m1 stop
Delta Logo
5:15 pm - 11:58 pmBWI-GEG
9h 43m2 stops
$264Delta
Find Deal
mar., sep. 9 - mar., sep. 16
Hawaiian Airlines Logo
6:28 am - 6:16 pmBOI-BWI
9h 48m1 stop
Hawaiian Airlines Logo
7:38 am - 3:12 pmBWI-BOI
9h 34m1 stop
$268Hawaiian Airlines
Find Deal
mié., oct. 29 - sáb., nov. 1
Alaska Airlines Logo
1:32 pm - 6:12 amGEG-BWI
13h 40m1 stop
Alaska Airlines Logo
6:12 pm - 12:27 amBWI-GEG
9h 15m1 stop
$277Alaska Airlines
Find Deal
lun., oct. 20 - mar., oct. 21
Alaska Airlines Logo
7:30 am - 5:55 pmGEG-BWI
7h 25m1 stop
Alaska Airlines Logo
6:55 pm - 12:14 amBWI-GEG
8h 19m1 stop
$296Alaska Airlines
Find Deal
mar., feb. 3 - dom., feb. 8

Spirit Airlines flights from Idaho to Baltimore

Our best Spirit Airlines deals on Idaho to Baltimore flight tickets
Spirit Airlines
Sep 18
BOI2:16 pmBoise Air Term. Gowen Fld
12h 14m
1 stop
BWI4:30 amBaltimore/Washington
Sep 24
BWI7:02 pmBaltimore/Washington
20h 19m
1 stop
BOI1:21 pmBoise Air Term. Gowen Fld
$197
Find similar
Spirit Airlines
Sep 12
BOI9:26 pmBoise Air Term. Gowen Fld
29h 04m
1 stop
BWI4:30 amBaltimore/Washington
Sep 15
BWI8:16 amBaltimore/Washington
14h 15m
1 stop
BOI8:31 pmBoise Air Term. Gowen Fld
$209
Find similar
Spirit Airlines
Sep 5
BOI9:26 pmBoise Air Term. Gowen Fld
29h 04m
1 stop
BWI4:30 amBaltimore/Washington
Sep 7
BWI7:02 pmBaltimore/Washington
27h 29m
1 stop
BOI8:31 pmBoise Air Term. Gowen Fld
$213
Find similar

Delta flights from Idaho to Baltimore

Our best Delta deals on Idaho to Baltimore flight tickets
Delta
Sep 9
GEG6:38 pmSpokane
8h 22m
1 stop
BWI6:00 amBaltimore/Washington
Sep 16
BWI7:15 amBaltimore/Washington
7h 40m
1 stop
GEG11:55 amSpokane
$259
Find similar
Delta
Sep 9
GEG6:38 pmSpokane
8h 22m
1 stop
BWI6:00 amBaltimore/Washington
Sep 16
BWI5:15 pmBaltimore/Washington
9h 43m
2 stops
GEG11:58 pmSpokane
$264
Find similar
Delta
Sep 20
BOI1:40 pmBoise Air Term. Gowen Fld
8h 48m
1 stop
BWI12:28 amBaltimore/Washington
Sep 23
BWI7:06 pmBaltimore/Washington
6h 53m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$269
Find similar

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 agosto 12, 2025.
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

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

jue. 9/18

2:16 pm-4:30 am

1 stop12h 14m

Baltimore/Washington

mié. 9/24

7:02 pm-1:21 pm

1 stop20h 19m

$197

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

vie. 9/12

9:26 pm-4:30 am

1 stop29h 04m

Baltimore/Washington

lun. 9/15

8:16 am-8:31 pm

1 stop14h 15m

$209

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

vie. 9/5

9:26 pm-4:30 am

1 stop29h 04m

Baltimore/Washington

dom. 9/7

7:02 pm-8:31 pm

1 stop27h 29m

$213

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

sáb. 10/25

2:25 pm-4:30 am

1 stop12h 05m

Baltimore/Washington

jue. 10/30

7:38 am-4:17 pm

1 stop10h 39m

$235

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

sáb. 10/25

2:16 pm-4:30 am

1 stop12h 14m

Baltimore/Washington

sáb. 11/1

7:38 am-4:17 pm

1 stop10h 39m

$245

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

mar. 9/9

6:38 pm-6:00 am

1 stop8h 22m

Baltimore/Washington

mar. 9/16

7:15 am-11:55 am

1 stop7h 40m

$259

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

mar. 9/9

6:38 pm-6:00 am

1 stop8h 22m

Baltimore/Washington

mar. 9/16

5:15 pm-11:58 pm

2 stops9h 43m

$264

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

mié. 10/29

6:28 am-6:16 pm

1 stop9h 48m

Baltimore/Washington

sáb. 11/1

7:38 am-3:12 pm

1 stop9h 34m

$268

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

lun. 10/20

1:32 pm-6:12 am

1 stop13h 40m

Baltimore/Washington

mar. 10/21

6:12 pm-12:27 am

1 stop9h 15m

$277

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

mar. 2/3

7:30 am-5:55 pm

1 stop7h 25m

Baltimore/Washington

dom. 2/8

6:55 pm-12:14 am

1 stop8h 19m

$296

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 January, then September is your next best option. Flight prices from Idaho to Baltimore during September average around $401.

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

The cheapest day to depart from Idaho 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 Idaho 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 Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $437 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Idaho for as low as $394 on momondo.

Can stopping save me money on Idaho to Baltimore flights?

You could potentially save up to 68% 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

Best Price Found

$97

Fastest flight time

6h 14m

Direct flights

None

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from Idaho in the past 72 hours is $97. The best round-trip flight deal from Idaho to Baltimore found on momondo in the last 72 hours is $197.
The fastest flight from Idaho to Baltimore takes 6h 14m
There are no direct flights from Idaho to Baltimore. Popular non-direct routes for this connection are Idaho Falls Fanning Field Airport - Baltimore/Washington Airport, Boise Air Term. Gowen Fld Airport - Baltimore/Washington Airport and Spokane Airport - Baltimore/Washington Airport.
There is 1 airport near Baltimore: Baltimore/Washington (BWI)
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  • 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 $292Free CancellationRating
8.0
7,979 reviews
Search Delta flights
Alaska AirlinesPriceFrom $300Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $305Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights
SouthwestPriceFrom $379Free CancellationRating
8.0
4,246 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.

An easier way to manage your Baltimore trip

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