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Idaho Falls

$144+ Cheap flights from Baltimore to Idaho Falls (BWI - IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IDA
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Baltimore to Idaho Falls

Cheapest flights from Baltimore to Idaho Falls
Explore the most affordable flight options available from Baltimore to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:00 am
BWI
-
IDA
1 stop9h 22m
United Airlines
Wed 11/42:35 pm
IDA
-
BWI
1 stop6h 25m
United Airlines
Deal found 1/26$309
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/108:23 am
BWI
-
IDA
1 stop9h 08m
United Airlines
Sat 2/146:35 am
IDA
-
BWI
1 stop6h 39m
United Airlines
Deal found 1/25$359
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:00 am
BWI
-
IDA
1 stop7h 33m
United Airlines
Thu 7/162:35 pm
IDA
-
BWI
1 stop6h 25m
United Airlines
Deal found 1/25$379
This Alaska Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:04 am
BWI
-
IDA
1 stop10h 25m
Alaska Airlines
Tue 4/284:06 pm
IDA
-
BWI
1 stop24h 10m
Alaska Airlines
Deal found 1/25$399
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:00 pm
BWI
-
IDA
2 stops9h 57m
Delta
Mon 2/96:35 pm
IDA
-
BWI
2 stops12h 49m
Delta
Deal found 1/26$415
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:15 am
BWI
-
IDA
1 stop7h 16m
United Airlines
Wed 6/242:35 pm
IDA
-
BWI
1 stop6h 25m
United Airlines
Deal found 1/26$505
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:10 am
BWI
-
IDA
1 stop29h 29m
Delta
Sat 6/276:50 pm
IDA
-
BWI
1 stop9h 13m
Delta
Deal found 1/26$522
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:17 am
BWI
-
IDA
1 stop7h 28m
United Airlines
Mon 6/82:35 pm
IDA
-
BWI
1 stop6h 25m
United Airlines
Deal found 1/26$527

Find flight deals from Baltimore to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(United Airlines)

One-way from

$144
(Expedia)

Popular in

March

Cheapest in

April

Average price

$666
Provider with most accurate pricing for Baltimore/Washington-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Idaho Falls Fanning Field flights.
Search Deals
From Baltimore/Washington to Idaho Falls Fanning Field
Search Deals
One-way flight from Baltimore/Washington to Idaho Falls Fanning Field
Search Deals
High demand for flights, 19% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Baltimore to Idaho Falls that are best for you.

Fly from

Baltimore

Fly to

Idaho Falls

Route

Depart

Return

Price

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 2/10

8:23 am-3:31 pm

1 stop9h 08m

Idaho Falls Fanning Field

Sat 2/14

6:35 am-3:14 pm

1 stop6h 39m

$359

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 6/30

10:00 am-3:33 pm

1 stop7h 33m

Idaho Falls Fanning Field

Thu 7/16

2:35 pm-11:00 pm

1 stop6h 25m

$379

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 4/24

7:15 am-12:26 pm

1 stop7h 11m

Idaho Falls Fanning Field

Tue 4/28

6:58 pm-10:45 am

2 stops13h 47m

$529

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 2/9

6:07 am-1:37 pm

1 stop9h 30m

Idaho Falls Fanning Field

Fri 2/13

6:03 am-10:26 pm

2 stops14h 23m

$551

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 3/4

8:00 am-1:30 pm

1 stop7h 30m

Idaho Falls Fanning Field

Sun 3/8

5:30 pm-11:12 pm

1 stop27h 42m

$559

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 6/17

4:10 pm-1:31 pm

1 stop23h 21m

Idaho Falls Fanning Field

Wed 6/24

2:35 pm-11:00 pm

1 stop6h 25m

$563

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 2/9

10:05 am-9:14 pm

2 stops13h 09m

Idaho Falls Fanning Field

Fri 2/13

2:40 pm-11:25 pm

1 stop6h 45m

$583

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 2/9

7:14 pm-6:18 pm

1 stop25h 04m

Idaho Falls Fanning Field

Fri 2/13

5:20 pm-5:46 pm

1 stop22h 26m

$600

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 6/19

7:10 am-10:39 am

1 stop29h 29m

Idaho Falls Fanning Field

Thu 6/25

6:50 pm-6:03 am

1 stop9h 13m

$602

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 4/6

7:04 pm-4:19 pm

1 stop23h 15m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 18 results
1
2

Compare providers for flights from Baltimore to Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Idaho Falls in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Idaho Falls

What is the cheapest month to book a flight from Baltimore to Idaho Falls?

Currently, February is the cheapest month in which you can book a flight from Baltimore to Idaho Falls (average of $260). Flying from Baltimore to Idaho Falls in June is currently the most expensive (average of $438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated January 27, 2026.
See what other customers who have flown with Delta and United Airlines from Baltimore to Idaho Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,205 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Baltimore to Idaho Falls?

    A quick flight from Baltimore to Idaho Falls can take about 7h 11m. United Airlines provides one of the quickest options available for as low as $529. The distance between Baltimore and Idaho Falls is about 1845 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Baltimore to Idaho Falls round-trip?

    According to our current data, Delta ($360), and United Airlines ($466) offers the cheapest pricing from Baltimore to Idaho Falls. Delta is currently priced 46% below the average price you’ll pay for this route.

  • Can I find deals for flights from Baltimore to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Baltimore to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Idaho Falls.

  • Can I find deals for business class flights from Baltimore to Idaho Falls?

    Yes. Cheapflights offers flight deals from Baltimore to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to Idaho Falls?

    Currently, February is the cheapest month in which you can book a flight from Baltimore to Idaho Falls (average of $260). Flying from Baltimore to Idaho Falls in June is currently the most expensive (average of $438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Idaho Falls?

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

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Top 2 airlines flying from Baltimore to Idaho Falls

Discover the top 2 airlines that operate flights from Baltimore to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$360Average$473FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$466Average$747FlexibilityNo cancel feeOn-time69%

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