Idaho Falls

$190+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IDA
Oct 11 — Oct 181
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Cheap 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 September 11, 2025.

Round-trip from

$339
(Kiwi.com)

One-way from

$190
(Kiwi.com)

Popular in

March

Cheapest in

April

Average price

$852
From Baltimore/Washington to Idaho Falls Fanning Field
One-way flight from Baltimore/Washington to Idaho Falls Fanning Field
High demand for flights, 16% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:21 pmBWI - IDA
1 stop20h 28mMultiple Airlines
Mon 10/137:40 pmIDA - BWI
1 stop19h 36mMultiple Airlines
Deal found 9/10$339
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:41 pmBWI - IDA
2 stops24h 24mMultiple Airlines
Mon 9/299:39 pmIDA - BWI
1 stop28h 51mMultiple Airlines
Deal found 9/10$345
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/810:10 amBWI - IDA
1 stop9h 05mUnited Airlines
Wed 11/58:30 amIDA - BWI
1 stop8h 51mUnited Airlines
Deal found 9/10$393
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:11 amBWI - IDA
2 stops12h 37mAmerican Airlines
Wed 11/51:58 pmIDA - BWI
1 stop7h 04mAmerican Airlines
Deal found 9/10$398
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/710:10 amBWI - IDA
1 stop9h 08mUnited Airlines
Fri 10/102:35 pmIDA - BWI
1 stop6h 43mUnited Airlines
Deal found 9/10$407
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:50 amBWI - IDA
1 stop30h 59mMultiple Airlines
Sun 10/1210:13 pmIDA - BWI
2 stops34h 15mMultiple Airlines
Deal found 9/10$429

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 September 11, 2025.
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

Sun 10/5

6:21 pm-12:49 pm

1 stop20h 28m

Idaho Falls Fanning Field

Mon 10/13

7:40 pm-5:16 pm

1 stop19h 36m

$339

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 10/8

10:10 am-5:15 pm

1 stop9h 05m

Idaho Falls Fanning Field

Wed 11/5

8:30 am-7:21 pm

1 stop8h 51m

$393

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 10/7

10:10 am-5:18 pm

1 stop9h 08m

Idaho Falls Fanning Field

Fri 10/10

2:35 pm-11:18 pm

1 stop6h 43m

$407

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 10/21

10:10 am-5:18 pm

1 stop9h 08m

Idaho Falls Fanning Field

Fri 10/24

2:35 pm-11:18 pm

1 stop6h 43m

$407

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 10/10

5:45 am-4:14 pm

2 stops12h 29m

Idaho Falls Fanning Field

Mon 10/13

7:40 pm-4:30 am

1 stop30h 50m

$412

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 10/24

6:12 pm-10:38 pm

1 stop30h 26m

Idaho Falls Fanning Field

Sat 11/1

6:05 am-6:16 pm

1 stop10h 11m

$484

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Thu 10/2

4:21 pm-9:48 am

1 stop19h 27m

Idaho Falls Fanning Field

Thu 10/9

5:56 pm-11:18 pm

1 stop27h 22m

$499

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 9/26

4:21 pm-10:49 pm

1 stop8h 28m

Idaho Falls Fanning Field

Tue 9/30

5:00 am-3:12 pm

1 stop8h 12m

$506

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sun 9/21

6:27 pm-2:49 pm

2 stops22h 22m

$190

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 10/15

7:15 am-12:33 pm

1 stop7h 18m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 16 results
1
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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, October is the cheapest month in which you can book a flight from Baltimore to Idaho Falls (average of $380). Flying from Baltimore to Idaho Falls in December is currently the most expensive (average of $578). 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 September 11, 2025.
See what other customers who have flown with Delta, United Airlines, and American 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.
8.0
Very good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 9h 05m. United Airlines provides one of the quickest options available for as low as $393. The distance between Baltimore and Idaho Falls is about 1845 mi.

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

    According to our current data, American Airlines ($334), Delta ($334), and United Airlines ($466) offers the cheapest pricing from Baltimore to Idaho Falls. American Airlines is currently priced 51% 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, October is the cheapest month in which you can book a flight from Baltimore to Idaho Falls (average of $380). Flying from Baltimore to Idaho Falls in December is currently the most expensive (average of $578). 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 3 airlines flying from Baltimore to Idaho Falls

Discover the top 3 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$334Average$823FlexibilityNo cancel feeOn-time71%
DeltaCheapest$334Average$489FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$466Average$755FlexibilityNo cancel feeOn-time69%

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