Idaho Falls

$142+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IDA
May 24 — May 311
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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 April 24, 2026.

This Delta deal was found by Cheapflights users on 4/20. 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.
Mon 6/87:05 am
BWI
-
IDA
1 stop9h 36m
Delta
Mon 6/157:07 pm
IDA
-
BWI
1 stop8h 43m
Delta
Deal found 4/20$369
This Delta deal was found by Cheapflights users on 4/23. 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.
Thu 6/112:10 pm
BWI
-
IDA
2 stops10h 21m
Delta
Sat 6/137:07 pm
IDA
-
BWI
1 stop8h 43m
Delta
Deal found 4/23$374
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 5/264:17 pm
BWI
-
IDA
1 stop23h 00m
Alaska Airlines
Fri 5/296:00 am
IDA
-
BWI
1 stop22h 28m
Alaska Airlines
Deal found 4/20$383
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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.
Sat 8/154:19 pm
BWI
-
IDA
1 stop22h 47m
Alaska Airlines
Fri 8/284:14 pm
IDA
-
BWI
1 stop21h 20m
Alaska Airlines
Deal found 4/20$413
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 8/117:50 am
BWI
-
IDA
1 stop9h 47m
Alaska Airlines
Tue 8/254:14 pm
IDA
-
BWI
1 stop21h 20m
Alaska Airlines
Deal found 4/23$419
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/59:20 am
BWI
-
IDA
2 stops13h 43m
United Airlines
Sat 5/92:31 pm
IDA
-
BWI
1 stop6h 56m
United Airlines
Deal found 4/20$424
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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.
Sat 9/126:16 pm
BWI
-
IDA
2 stops20h 50m
Alaska Airlines
Wed 9/164:14 pm
IDA
-
BWI
1 stop21h 20m
Alaska Airlines
Deal found 4/21$433
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:35 pm
BWI
-
IDA
1 stop21h 51m
Alaska Airlines
Sat 5/304:03 pm
IDA
-
BWI
2 stops12h 25m
Alaska Airlines
Deal found 4/22$451
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:17 pm
BWI
-
IDA
1 stop23h 00m
Alaska Airlines
Sun 5/174:03 pm
IDA
-
BWI
1 stop21h 14m
Alaska Airlines
Deal found 4/21$457
This Delta deal was found by Cheapflights users on 4/23. 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.
Mon 6/297:05 am
BWI
-
IDA
1 stop9h 36m
Delta
Fri 7/37:07 pm
IDA
-
BWI
1 stop8h 43m
Delta
Deal found 4/23$464

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$369
(Delta)

One-way from

$142
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$828
Provider with most accurate pricing for Baltimore/Washington-Idaho Falls Fanning Field flight deals.
Provider most trusted by Cheapflights users for Baltimore/Washington-Idaho Falls Fanning Field flights.
From Baltimore/Washington to Idaho Falls Fanning Field
One-way flight from Baltimore/Washington to Idaho Falls Fanning Field
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 24, 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 - IDA

BWIIDA

Baltimore/Washington

Sat 9/12

6:16 pm-3:37 pm

1 stop23h 21m

Idaho Falls Fanning Field

Wed 9/16

4:14 pm-3:34 pm

1 stop21h 20m

$438

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 6/29

7:05 am-2:41 pm

1 stop9h 36m

Idaho Falls Fanning Field

Fri 7/3

7:07 pm-5:50 am

1 stop8h 43m

$464

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 7/22

4:19 pm-1:06 pm

1 stop22h 47m

Idaho Falls Fanning Field

Mon 7/27

4:14 pm-3:16 pm

1 stop21h 02m

$469

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sun 6/7

7:05 am-2:41 pm

1 stop9h 36m

Idaho Falls Fanning Field

Sat 6/13

7:07 pm-5:50 am

1 stop8h 43m

$494

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 8/22

1:00 pm-10:14 pm

2 stops11h 14m

Idaho Falls Fanning Field

Sun 8/30

6:50 pm-6:03 am

1 stop9h 13m

$499

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 8/15

4:19 pm-1:06 pm

1 stop22h 47m

Idaho Falls Fanning Field

Fri 8/28

6:18 am-5:16 pm

1 stop8h 58m

$513

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Thu 5/7

7:00 am-2:34 pm

1 stop9h 34m

Idaho Falls Fanning Field

Sun 5/10

6:54 pm-5:45 am

1 stop8h 51m

$519

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 5/22

4:17 pm-1:17 pm

1 stop23h 00m

Idaho Falls Fanning Field

Fri 5/29

6:00 am-6:28 am

1 stop22h 28m

$522
Quickest round-trip

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 5/26

8:25 am-5:19 pm

2 stops10h 54m

Idaho Falls Fanning Field

Fri 5/29

2:30 pm-11:30 pm

1 stop7h 00m

$527

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 5/6

7:04 am-3:29 pm

1 stop10h 25m

Idaho Falls Fanning Field

Sun 5/10

6:00 am-6:16 pm

1 stop10h 16m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 20 resultsSorted by cheapest first
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 April.
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

How much does it cost to fly round-trip from Baltimore to Idaho Falls?

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 April 24, 2026.
See what other customers who have flown with 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.

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 36m. Alaska Airlines provides one of the quickest options available for as low as $464. The distance between Baltimore and Idaho Falls is about 1845 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Baltimore to Idaho Falls round-trip?

    According to our current data, United Airlines ($466), offers the cheapest pricing from Baltimore to Idaho Falls. United Airlines is currently priced 36% 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.

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 airline flying from Baltimore to Idaho Falls

Discover the top airline 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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$466Average$755FlexibilityNo cancel feeOn-time69%

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