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Cheap flights from Baltimore to Idaho Falls from $316

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 Falls departing on 1/6. 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 Baltimore to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:23 am - 1:30 pm
BWI
-
IDA
7h 07m1 stop
United Airlines Logo
2:40 pm - 11:15 pm
IDA
-
BWI
6h 35m1 stop
$421United Airlines
Thu, Jan 22 - Thu, Jan 29
American Airlines Logo
11:13 am - 10:36 pm
BWI
-
IDA
13h 23m2 stops
American Airlines Logo
2:07 pm - 11:10 pm
IDA
-
BWI
7h 03m1 stop
$426American Airlines
Thu, Jan 22 - Thu, Jan 29
United Airlines Logo
4:10 pm - 9:16 pm
BWI
-
IDA
7h 06m1 stop
United Airlines Logo
2:40 pm - 11:15 pm
IDA
-
BWI
6h 35m1 stop
$427United Airlines
Sat, Jan 24 - Sun, Feb 1
Delta Logo
7:00 am - 12:22 pm
BWI
-
IDA
7h 22m1 stop
Delta Logo
6:59 pm - 9:39 am
IDA
-
BWI
12h 40m2 stops
$429Delta
Tue, Mar 10 - Sun, Mar 15
United Airlines Logo
10:05 am - 9:16 pm
BWI
-
IDA
13h 11m2 stops
United Airlines Logo
2:40 pm - 11:15 pm
IDA
-
BWI
6h 35m1 stop
$432United Airlines
Sat, Jan 24 - Sun, Feb 1
American Airlines Logo
11:13 am - 10:36 pm
BWI
-
IDA
13h 23m2 stops
American Airlines Logo
2:07 pm - 11:10 pm
IDA
-
BWI
7h 03m1 stop
$458American Airlines
Sat, Jan 24 - Sun, Feb 1
Alaska Airlines Logo
7:49 am - 3:40 pm
BWI
-
IDA
9h 51m1 stop
Alaska Airlines Logo
4:20 pm - 6:29 am
IDA
-
BWI
12h 09m1 stop
$473Alaska Airlines
Wed, May 13 - Sat, May 23
American Airlines Logo
6:07 am - 1:37 pm
BWI
-
IDA
9h 30m1 stop
American Airlines Logo
2:07 pm - 11:10 pm
IDA
-
BWI
7h 03m1 stop
$479American Airlines
Sat, Jan 24 - Sun, Feb 1
Delta Logo
11:45 am - 10:20 pm
BWI
-
IDA
12h 35m2 stops
Delta Logo
6:59 pm - 5:51 am
IDA
-
BWI
8h 52m1 stop
$480Delta
Tue, Mar 10 - Wed, Mar 18
Delta Logo
11:45 am - 10:20 pm
BWI
-
IDA
12h 35m2 stops
Delta Logo
6:59 pm - 9:39 am
IDA
-
BWI
12h 40m2 stops
$485Delta
Tue, Mar 10 - Mon, Mar 16

United Airlines flights from Baltimore to Idaho Falls

Our best United Airlines deals on Baltimore to Idaho Falls flight tickets
United Airlines
Jan 22
BWI8:23 amBaltimore/Washington
7h 07m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Jan 29
IDA2:40 pmIdaho Falls Fanning Field
6h 35m
1 stop
BWI11:15 pmBaltimore/Washington
$421
Find similar
United Airlines
Jan 24
BWI4:10 pmBaltimore/Washington
7h 06m
1 stop
IDA9:16 pmIdaho Falls Fanning Field
Feb 1
IDA2:40 pmIdaho Falls Fanning Field
6h 35m
1 stop
BWI11:15 pmBaltimore/Washington
$427
Find similar
United Airlines
Jan 24
BWI10:05 amBaltimore/Washington
13h 11m
2 stops
IDA9:16 pmIdaho Falls Fanning Field
Feb 1
IDA2:40 pmIdaho Falls Fanning Field
6h 35m
1 stop
BWI11:15 pmBaltimore/Washington
$432
Find similar

American Airlines flights from Baltimore to Idaho Falls

Our best American Airlines deals on Baltimore to Idaho Falls flight tickets
American Airlines
Jan 22
BWI11:13 amBaltimore/Washington
13h 23m
2 stops
IDA10:36 pmIdaho Falls Fanning Field
Jan 29
IDA2:07 pmIdaho Falls Fanning Field
7h 03m
1 stop
BWI11:10 pmBaltimore/Washington
$426
Find similar
American Airlines
Jan 24
BWI11:13 amBaltimore/Washington
13h 23m
2 stops
IDA10:36 pmIdaho Falls Fanning Field
Feb 1
IDA2:07 pmIdaho Falls Fanning Field
7h 03m
1 stop
BWI11:10 pmBaltimore/Washington
$458
Find similar
American Airlines
Jan 24
BWI6:07 amBaltimore/Washington
9h 30m
1 stop
IDA1:37 pmIdaho Falls Fanning Field
Feb 1
IDA2:07 pmIdaho Falls Fanning Field
7h 03m
1 stop
BWI11:10 pmBaltimore/Washington
$479
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Idaho Falls 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 December 15, 2025.
Use the filters below to find and compare flights from Baltimore to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Thu 1/22

8:23 am-1:30 pm

1 stop7h 07m

Idaho Falls Fanning Field

Thu 1/29

2:40 pm-11:15 pm

1 stop6h 35m

$421

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Thu 1/22

11:13 am-10:36 pm

2 stops13h 23m

Idaho Falls Fanning Field

Thu 1/29

2:07 pm-11:10 pm

1 stop7h 03m

$426

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 1/24

4:10 pm-9:16 pm

1 stop7h 06m

Idaho Falls Fanning Field

Sun 2/1

2:40 pm-11:15 pm

1 stop6h 35m

$427

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 3/10

7:00 am-12:22 pm

1 stop7h 22m

Idaho Falls Fanning Field

Sun 3/15

6:59 pm-9:39 am

2 stops12h 40m

$429

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 1/24

10:05 am-9:16 pm

2 stops13h 11m

Idaho Falls Fanning Field

Sun 2/1

2:40 pm-11:15 pm

1 stop6h 35m

$432

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 1/24

11:13 am-10:36 pm

2 stops13h 23m

Idaho Falls Fanning Field

Sun 2/1

2:07 pm-11:10 pm

1 stop7h 03m

$458

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 5/13

7:49 am-3:40 pm

1 stop9h 51m

Idaho Falls Fanning Field

Sat 5/23

4:20 pm-6:29 am

1 stop12h 09m

$473

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 1/24

6:07 am-1:37 pm

1 stop9h 30m

Idaho Falls Fanning Field

Sun 2/1

2:07 pm-11:10 pm

1 stop7h 03m

$479

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 3/10

11:45 am-10:20 pm

2 stops12h 35m

Idaho Falls Fanning Field

Wed 3/18

6:59 pm-5:51 am

1 stop8h 52m

$480

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 3/10

11:45 am-10:20 pm

2 stops12h 35m

Idaho Falls Fanning Field

Mon 3/16

6:59 pm-9:39 am

2 stops12h 40m

$485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Baltimore to Idaho Falls

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 Baltimore and Idaho Falls?

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

Our data shows that Saturday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $562. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $870.

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

Our most recent data shows that the best time of day to fly to Idaho Falls is in the morning. Flights from Baltimore to Idaho Falls during this time can be as low as $716. Try not to purchase tickets in the afternoon because they tend to be around $758. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Baltimore to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Idaho Falls (BWI to IDA) flight deals and tips

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

Fastest flight time

7h 07m

Direct flights

None
The fastest flight from Baltimore to Idaho Falls takes 7h 07m
There are no direct flights from Baltimore to Idaho Falls. There are no popular flight routes from Baltimore to Idaho Falls.
Search flight deals

  • How far is Baltimore/Washington to Idaho Falls Fanning Field by plane?

    There are 1843.5 mi between Baltimore/Washington and Idaho Falls Fanning Field. In terms of flight time, this usually takes a little over 7h 07m.

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

    Prices for flights from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Baltimore to Idaho Falls?

Best airlines flying from Baltimore to Idaho Falls

Compare and see reviews for airlines that fly from Baltimore to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $334Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
DeltaPriceFrom $334Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $466Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Baltimore to Idaho Falls. momondo saves you time and could save you money on your trip.

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

Flights from Baltimore to Idaho Falls 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 Baltimore to Idaho Falls?

momondo helps you find the best flight between Baltimore and Idaho Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Idaho Falls from Baltimore. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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