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Idaho Falls

$201+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IDA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 July 29, 2025.

Round-trip from

$401
(American Airlines)

One-way from

$201
(Delta)

Popular in

March

Cheapest in

April

Average price

$705
From Baltimore/Washington to Idaho Falls Fanning Field
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One-way flight from Baltimore/Washington to Idaho Falls Fanning Field
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High demand for flights, 10% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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 10/86:00 amBWI - IDA
1 stop8h 24mAmerican Airlines
Tue 10/1412:55 pmIDA - BWI
1 stop7h 59mAmerican Airlines
Deal found 7/29$401
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 10/37:37 pmBWI - IDA
1 stop22h 01mAlaska Airlines
Wed 10/84:15 pmIDA - BWI
1 stop11h 57mAlaska Airlines
Deal found 7/29$403
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 8/2612:17 pmBWI - IDA
2 stops12h 10mDelta
Tue 9/26:52 pmIDA - BWI
1 stop9h 08mDelta
Deal found 7/27$406
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/711:14 amBWI - IDA
3 stops33h 19mMultiple Airlines
Mon 8/117:23 pmIDA - BWI
3 stops32h 10mMultiple Airlines
Deal found 7/27$465
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/1210:05 amBWI - IDA
1 stop7h 24mUnited Airlines
Sat 8/166:03 pmIDA - BWI
1 stop9h 07mUnited Airlines
Deal found 7/28$486

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 July 29, 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

Wed 10/8

6:00 am-12:24 pm

1 stop8h 24m

Idaho Falls Fanning Field

Tue 10/14

12:55 pm-10:54 pm

1 stop7h 59m

$401

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 10/3

7:37 pm-3:38 pm

1 stop22h 01m

Idaho Falls Fanning Field

Wed 10/8

4:15 pm-6:12 am

1 stop11h 57m

$403

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 8/26

12:17 pm-10:27 pm

2 stops12h 10m

Idaho Falls Fanning Field

Tue 9/2

6:52 pm-6:00 am

1 stop9h 08m

$406

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Thu 8/7

11:14 am-6:33 pm

3 stops33h 19m

Idaho Falls Fanning Field

Mon 8/11

7:23 pm-5:33 am

3 stops32h 10m

$465

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 8/12

10:05 am-3:29 pm

1 stop7h 24m

Idaho Falls Fanning Field

Sat 8/16

6:03 pm-5:10 am

1 stop9h 07m

$486

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 8/19

7:15 am-2:19 pm

1 stop9h 04m

$201

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 9/19

7:00 am-3:20 pm

1 stop10h 20m

$203

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 8/20

10:51 am-8:54 pm

2 stops12h 03m

$221

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sun 8/10

2:50 pm-4:14 pm

3 stops27h 24m

$271

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 8/9

6:00 am-1:00 pm

1 stop9h 00m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 July 29, 2025.
See what other customers who have flown with Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    According to our current data, American Airlines ($401), Alaska Airlines ($403), and Delta ($406) offers the cheapest pricing from Baltimore to Idaho Falls. American Airlines is currently priced 38% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Baltimore to Idaho Falls one-way?

    The cheapest airlines for a one-way flight from Baltimore to Idaho Falls are Delta ($201), Alaska Airlines ($203), and United Airlines ($221).

  • 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$334Average$823FlexibilityNo cancel feeOn-time71%
DeltaCheapest$334Average$489FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$466Average$708FlexibilityNo cancel feeOn-time69%

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