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Cheap flights from Baltimore to Idaho Falls from $202

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 9/5. 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 Baltimore to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:17 am - 1:20 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
8h 03m1 stop Chicago O'Hare Intl
American Airlines Logo
1:50 pm - 12:24 amIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
8h 34m1 stop Chicago O'Hare Intl
$359American Airlines
Wed, Oct 14 - Tue, Oct 20
Delta Logo
7:00 am - 12:15 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
7h 15m1 stop Salt Lake City
Delta Logo
6:45 pm - 6:00 amIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
9h 15m1 stop Salt Lake City
$359Delta
Fri, Dec 11 - Tue, Jan 5
Alaska Airlines Logo
4:43 pm - 1:24 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
22h 41m1 stop Portland
Alaska Airlines Logo
6:18 am - 6:08 pmIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
9h 50m1 stop Seattle/Tacoma Intl
$359Alaska Airlines
Fri, Sep 25 - Tue, Sep 29
Delta Logo
7:39 am - 2:35 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
8h 56m1 stop Salt Lake City
Delta Logo
7:00 pm - 6:20 amIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
9h 20m1 stop Salt Lake City
$359Delta
Wed, Aug 26 - Mon, Aug 31
Delta Logo
7:39 am - 2:35 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
8h 56m1 stop Salt Lake City
Delta Logo
7:00 pm - 10:57 amIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
13h 57m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$364Delta
Wed, Aug 26 - Mon, Aug 31
Delta Logo
7:00 am - 12:15 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
7h 15m1 stop Salt Lake City
Delta Logo
6:45 pm - 9:16 amIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
12h 31m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$364Delta
Fri, Dec 11 - Tue, Jan 5
United Airlines Logo
6:10 am - 3:38 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
11h 28m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
2:35 pm - 11:08 pmIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
6h 33m1 stop Denver Intl
$464United Airlines
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
6:10 am - 1:28 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
9h 18m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
2:35 pm - 11:08 pmIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
6h 33m1 stop Denver Intl
$464United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
4:10 pm - 9:08 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
6h 58m1 stop Denver Intl
United Airlines Logo
2:35 pm - 11:00 pmIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
6h 25m1 stop Denver Intl
$494United Airlines
Sat, Jan 9 - Sat, Jan 16
United Airlines Logo
6:10 am - 1:28 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
9h 18m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
10:35 am - 9:42 pmIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
9h 07m2 stops Denver Intl Chicago O'Hare Intl
$504United Airlines
Tue, Nov 10 - Sat, Nov 14

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Alaska Airlines flights from Baltimore to Idaho Falls

Our best Alaska Airlines deals on Baltimore to Idaho Falls flight tickets
Alaska Airlines
Sep 5
BWI4:43 pmBaltimore/Washington
22h 41m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Sep 9
IDA2:01 pmIdaho Falls Fanning Field
14h 29m
1 stop
BWI6:30 amBaltimore/Washington
$389
Alaska Airlines
Nov 7
BWI7:00 amBaltimore/Washington
10h 17m
1 stop
IDA3:17 pmIdaho Falls Fanning Field
Nov 11
IDA6:04 amIdaho Falls Fanning Field
9h 08m
1 stop
BWI5:12 pmBaltimore/Washington
$419
Alaska Airlines
Sep 8
BWI4:43 pmBaltimore/Washington
22h 41m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Sep 16
IDA2:01 pmIdaho Falls Fanning Field
14h 29m
1 stop
BWI6:30 amBaltimore/Washington
$424

United Airlines flights from Baltimore to Idaho Falls

Our best United Airlines deals on Baltimore to Idaho Falls flight tickets
United Airlines
Nov 7
BWI6:10 amBaltimore/Washington
11h 28m
2 stops
IDA3:38 pmIdaho Falls Fanning Field
Nov 11
IDA2:35 pmIdaho Falls Fanning Field
6h 33m
1 stop
BWI11:08 pmBaltimore/Washington
$464
United Airlines
Nov 10
BWI6:10 amBaltimore/Washington
9h 18m
2 stops
IDA1:28 pmIdaho Falls Fanning Field
Nov 14
IDA10:35 amIdaho Falls Fanning Field
9h 07m
2 stops
BWI9:42 pmBaltimore/Washington
$504
United Airlines
Nov 7
BWI6:10 amBaltimore/Washington
11h 28m
2 stops
IDA3:38 pmIdaho Falls Fanning Field
Nov 11
IDA2:35 pmIdaho Falls Fanning Field
19h 01m
2 stops
BWI11:36 amBaltimore/Washington
$583

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 August 5, 2026.
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

Cheapest round-trip

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Wed 10/14

7:17 am-1:20 pm

1 stop8h 03m

Idaho Falls Fanning Field

Tue 10/20

1:50 pm-12:24 am

1 stop8h 34m

$359

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Fri 12/11

7:00 am-12:15 pm

1 stop7h 15m

Idaho Falls Fanning Field

Tue 1/5

6:45 pm-6:00 am

1 stop9h 15m

$359

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Fri 9/25

4:43 pm-1:24 pm

1 stop22h 41m

Idaho Falls Fanning Field

Tue 9/29

6:18 am-6:08 pm

1 stop9h 50m

$359

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Wed 8/26

7:39 am-2:35 pm

1 stop8h 56m

Idaho Falls Fanning Field

Mon 8/31

7:00 pm-6:20 am

1 stop9h 20m

$359

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Wed 8/26

7:39 am-2:35 pm

1 stop8h 56m

Idaho Falls Fanning Field

Mon 8/31

7:00 pm-10:57 am

2 stops13h 57m

$364

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Fri 12/11

7:00 am-12:15 pm

1 stop7h 15m

Idaho Falls Fanning Field

Tue 1/5

6:45 pm-9:16 am

2 stops12h 31m

$364

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Sat 11/7

6:10 am-3:38 pm

2 stops11h 28m

Idaho Falls Fanning Field

Wed 11/11

2:35 pm-11:08 pm

1 stop6h 33m

$464

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Tue 11/10

6:10 am-1:28 pm

2 stops9h 18m

Idaho Falls Fanning Field

Sat 11/14

2:35 pm-11:08 pm

1 stop6h 33m

$464
Quickest round-trip

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Sat 1/9

4:10 pm-9:08 pm

1 stop6h 58m

Idaho Falls Fanning Field

Sat 1/16

2:35 pm-11:00 pm

1 stop6h 25m

$494

BaltimoreIdaho Falls

BWI Baltimore/Washington - IDA Idaho Falls Fanning Field

BWIIDA

Baltimore/Washington

Tue 11/10

6:10 am-1:28 pm

2 stops9h 18m

Idaho Falls Fanning Field

Sat 11/14

10:35 am-9:42 pm

2 stops9h 07m

$504

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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 cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $557.

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 00m

Direct flights

None
The fastest flight from Baltimore to Idaho Falls takes 7h 00m
There are no direct flights from Baltimore to Idaho Falls. There are no popular flight routes from Baltimore to Idaho Falls.
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Frequently asked questions about flying from Baltimore to Idaho Falls

  • 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 00m.

  • 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
United AirlinesPriceFrom $522Free CancellationRating
7.4
10,058 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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