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Cheap flights from Baltimore to Idaho from $106

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Idaho departing on 9/30. 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 Baltimore to Idaho

Cheap round-trip flights

Southwest Logo
6:10 am - 11:55 amBWI-GEG
8h 45m1 stop
Southwest Logo
5:35 am - 7:45 pmGEG-BWI
11h 10m1 stop
$204Southwest
Find Deal
mié., nov. 5 - mié., nov. 12
Delta Logo
7:15 am - 11:56 amBWI-GEG
7h 41m1 stop
Delta Logo
2:21 pm - 11:47 pmGEG-BWI
6h 26m1 stop
$211Delta
Find Deal
mar., sep. 2 - mar., sep. 9
Delta Logo
5:40 am - 1:16 pmBWI-GEG
10h 36m2 stops
Delta Logo
2:21 pm - 11:47 pmGEG-BWI
6h 26m1 stop
$216Delta
Find Deal
jue., sep. 4 - mar., sep. 9
Spirit Airlines Logo
8:09 am - 5:11 pmBWI-BOI
11h 02m1 stop
Spirit Airlines Logo
2:16 pm - 4:30 amBOI-BWI
12h 14m1 stop
$221Spirit Airlines
Find Deal
jue., ago. 28 - jue., sep. 4
Southwest Logo
3:35 pm - 10:30 pmBWI-GEG
9h 55m1 stop
Southwest Logo
10:45 am - 5:00 amGEG-BWI
15h 15m1 stop
$223Southwest
Find Deal
mié., sep. 3 - mié., sep. 10
United Airlines Logo
4:20 pm - 9:03 pmBWI-GEG
7h 43m1 stop
United Airlines Logo
5:15 am - 9:42 pmGEG-BWI
13h 27m2 stops
$228United Airlines
Find Deal
mar., sep. 2 - mar., sep. 9
Spirit Airlines Logo
7:02 pm - 1:21 pmBWI-BOI
20h 19m1 stop
Spirit Airlines Logo
9:26 pm - 4:30 amBOI-BWI
29h 04m1 stop
$233Spirit Airlines
Find Deal
vie., sep. 26 - lun., sep. 29
United Airlines Logo
8:30 am - 12:36 pmBWI-GEG
7h 06m1 stop
United Airlines Logo
5:15 am - 3:14 pmGEG-BWI
6h 59m1 stop
$239United Airlines
Find Deal
mié., ago. 27 - mar., sep. 9
American Airlines Logo
6:00 am - 12:32 pmBWI-GEG
9h 32m1 stop
American Airlines Logo
1:14 pm - 11:55 pmGEG-BWI
7h 41m1 stop
$289American Airlines
Find Deal
lun., nov. 17 - lun., nov. 24
American Airlines Logo
6:41 am - 11:45 amBWI-GEG
8h 04m1 stop
American Airlines Logo
7:00 am - 5:50 pmGEG-BWI
7h 50m1 stop
$298American Airlines
Find Deal
jue., sep. 4 - mar., sep. 9

Spirit Airlines flights from Baltimore to Idaho

Our best Spirit Airlines deals on Baltimore to Idaho flight tickets
Spirit Airlines
Aug 28
BWI8:09 amBaltimore/Washington
11h 02m
1 stop
BOI5:11 pmBoise Air Term. Gowen Fld
Sep 4
BOI2:16 pmBoise Air Term. Gowen Fld
12h 14m
1 stop
BWI4:30 amBaltimore/Washington
$221
Find similar
Spirit Airlines
Sep 26
BWI7:02 pmBaltimore/Washington
20h 19m
1 stop
BOI1:21 pmBoise Air Term. Gowen Fld
Sep 29
BOI9:26 pmBoise Air Term. Gowen Fld
29h 04m
1 stop
BWI4:30 amBaltimore/Washington
$233
Find similar
Spirit Airlines
Aug 29
BWI6:30 amBaltimore/Washington
12h 41m
1 stop
BOI5:11 pmBoise Air Term. Gowen Fld
Sep 5
BOI9:26 pmBoise Air Term. Gowen Fld
29h 04m
1 stop
BWI4:30 amBaltimore/Washington
$237
Find similar

Delta flights from Baltimore to Idaho

Our best Delta deals on Baltimore to Idaho flight tickets
Delta
Sep 2
BWI7:15 amBaltimore/Washington
7h 41m
1 stop
GEG11:56 amSpokane
Sep 9
GEG2:21 pmSpokane
6h 26m
1 stop
BWI11:47 pmBaltimore/Washington
$211
Find similar
Delta
Sep 4
BWI5:40 amBaltimore/Washington
10h 36m
2 stops
GEG1:16 pmSpokane
Sep 9
GEG2:21 pmSpokane
6h 26m
1 stop
BWI11:47 pmBaltimore/Washington
$216
Find similar
Delta
Sep 30
BWI6:00 amBaltimore/Washington
11h 49m
2 stops
GEG2:49 pmSpokane
Oct 4
GEG1:18 pmSpokane
13h 42m
2 stops
BWI6:00 amBaltimore/Washington
$221
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Idaho 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 5, 2025.
Use the filters below to find and compare flights from Baltimore to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

mié. 11/5

6:10 am-11:55 am

1 stop8h 45m

Spokane

mié. 11/12

5:35 am-7:45 pm

1 stop11h 10m

$204

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

mar. 9/2

7:15 am-11:56 am

1 stop7h 41m

Spokane

mar. 9/9

2:21 pm-11:47 pm

1 stop6h 26m

$211

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

jue. 9/4

5:40 am-1:16 pm

2 stops10h 36m

Spokane

mar. 9/9

2:21 pm-11:47 pm

1 stop6h 26m

$216

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

jue. 8/28

8:09 am-5:11 pm

1 stop11h 02m

Boise Air Term. Gowen Fld

jue. 9/4

2:16 pm-4:30 am

1 stop12h 14m

$221

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

mié. 9/3

3:35 pm-10:30 pm

1 stop9h 55m

Spokane

mié. 9/10

10:45 am-5:00 am

1 stop15h 15m

$223

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

mar. 9/2

4:20 pm-9:03 pm

1 stop7h 43m

Spokane

mar. 9/9

5:15 am-9:42 pm

2 stops13h 27m

$228

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

vie. 9/26

7:02 pm-1:21 pm

1 stop20h 19m

Boise Air Term. Gowen Fld

lun. 9/29

9:26 pm-4:30 am

1 stop29h 04m

$233

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

mié. 8/27

8:30 am-12:36 pm

1 stop7h 06m

Spokane

mar. 9/9

5:15 am-3:14 pm

1 stop6h 59m

$239

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

lun. 11/17

6:00 am-12:32 pm

1 stop9h 32m

Spokane

lun. 11/24

1:14 pm-11:55 pm

1 stop7h 41m

$289

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

jue. 9/4

6:41 am-11:45 am

1 stop8h 04m

Spokane

mar. 9/9

7:00 am-5:50 pm

1 stop7h 50m

$298

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 Idaho from

How to get the cheapest flight ticket from Baltimore to Idaho

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 Idaho?

In general, September is the cheapest month to fly from Baltimore to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $381. If you don’t want to visit Idaho in September, then you should wait until April to fly from Baltimore, when ticket prices are also cheap, with an average price of $402.

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

Our data shows that Tuesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $436. On the other hand, Friday is the most expensive day to depart from Baltimore because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $563.

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

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Baltimore to Idaho at noon for as low as $329. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $716 per ticket.

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

You are more likely to see cheaper flights to Idaho from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $475 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Baltimore for as low as $334 on momondo.

Can stopping save me money on Baltimore to Idaho flights?

You could potentially save up to 65% on your flight if you consider stops on a Baltimore to Idaho flight.

Cheap Baltimore to Idaho flight deals and tips

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

Best Price Found

$106

Fastest flight time

6h 19m

Direct flights

None

Airports in Idaho

8 airports
The best one-way flight to Idaho from Baltimore in the past 72 hours is $106. The best round-trip flight deal from Baltimore to Idaho found on momondo in the last 72 hours is $204.
The fastest flight from Baltimore to Idaho takes 6h 19m
There are no direct flights from Baltimore to Idaho. Popular non-direct routes for this connection are Baltimore/Washington Airport - Boise Air Term. Gowen Fld Airport, Baltimore/Washington Airport - Hailey Sun Valley-Friedman Airport and Baltimore/Washington Airport - Spokane Airport.
There are 8 airports near Idaho: West Yellowstone (WYS), Idaho Falls Fanning Field (IDA), Spokane (GEG), Lewiston Nez Perce Rgnl (LWS), Boise Air Term. Gowen Fld (BOI), Hailey Sun Valley-Friedman (SUN), Jackson Hole (JAC), Pocatello (PIH)
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  • When did momondo last update prices for flights from Baltimore/Washington Airport to Idaho?

    Prices for flights from Baltimore/Washington Airport to Idaho are refreshed on a daily basis.

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

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

    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 Baltimore/Washington Airport to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Baltimore to Idaho

Compare and see reviews for airlines that fly from Baltimore to Idaho with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $230Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $334Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $347Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho from Baltimore.

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

All flight searches from Baltimore to Idaho on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Idaho from Baltimore. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Baltimore to Idaho now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho and let you know when they change.

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