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Idaho Falls

$202+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IDA
apr 11 — apr 181
lör 4/11
lör 4/18
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 mars 12, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
lör 10/247:51 am
BWI
-
IDA
1 stop9h 38m
Alaska Airlines
ons 10/286:15 am
IDA
-
BWI
1 stop8h 56m
Alaska Airlines
Deal found 3/8$329
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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.
lör 9/267:51 am
BWI
-
IDA
1 stop9h 38m
Alaska Airlines
fre 10/26:15 am
IDA
-
BWI
1 stop8h 56m
Alaska Airlines
Deal found 3/7$379
This Delta deal was found by Cheapflights users on 3/7. 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.
lör 9/261:00 pm
BWI
-
IDA
2 stops11h 14m
Delta
tis 10/66:45 pm
IDA
-
BWI
1 stop9h 15m
Delta
Deal found 3/7$384
This Delta deal was found by Cheapflights users on 3/7. 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.
tis 9/2912:15 pm
BWI
-
IDA
2 stops11h 59m
Delta
tis 10/66:45 pm
IDA
-
BWI
1 stop9h 15m
Delta
Deal found 3/7$396
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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.
tis 5/127:35 pm
BWI
-
IDA
1 stop21h 51m
Alaska Airlines
lör 5/161:54 pm
IDA
-
BWI
1 stop14h 34m
Alaska Airlines
Deal found 3/11$408
This Delta deal was found by Cheapflights users on 3/7. 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.
lör 9/261:00 pm
BWI
-
IDA
2 stops11h 14m
Delta
fre 10/26:50 pm
IDA
-
BWI
1 stop9h 13m
Delta
Deal found 3/7$414
This United Airlines deal was found by Cheapflights users on 3/8. 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.
lör 10/2410:00 am
BWI
-
IDA
1 stop9h 22m
United Airlines
ons 10/285:00 am
IDA
-
BWI
2 stops10h 13m
United Airlines
Deal found 3/8$424
This Delta deal was found by Cheapflights users on 3/7. 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.
tis 9/297:10 am
BWI
-
IDA
1 stop7h 19m
Delta
lör 10/36:50 pm
IDA
-
BWI
1 stop9h 13m
Delta
Deal found 3/7$429
This United Airlines deal was found by Cheapflights users on 3/8. 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.
fre 5/298:15 am
BWI
-
IDA
2 stops11h 04m
United Airlines
mån 6/12:30 pm
IDA
-
BWI
1 stop7h 00m
United Airlines
Deal found 3/8$430
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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.
mån 9/287:51 am
BWI
-
IDA
1 stop9h 38m
Alaska Airlines
mån 10/54:03 pm
IDA
-
BWI
1 stop12h 18m
Alaska Airlines
Deal found 3/7$431
This Delta deal was found by Cheapflights users on 3/7. 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.
lör 9/261:00 pm
BWI
-
IDA
2 stops11h 14m
Delta
mån 10/56:50 pm
IDA
-
BWI
1 stop9h 13m
Delta
Deal found 3/7$436

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 mars 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$408
(Alaska Airlines)

One-way from

$202
(Kiwi.com)

Popular in

March

Cheapest in

April

Average price

$934
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, 8% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 mars 12, 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

tis 5/12

7:35 pm-3:26 pm

1 stop21h 51m

Idaho Falls Fanning Field

lör 5/16

1:54 pm-6:28 am

1 stop14h 34m

$408

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

fre 5/8

7:16 pm-10:40 pm

1 stop29h 24m

Idaho Falls Fanning Field

sön 5/10

6:00 am-6:16 pm

1 stop10h 16m

$493

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

ons 8/5

7:10 am-2:27 pm

1 stop9h 17m

Idaho Falls Fanning Field

ons 8/12

6:50 pm-6:03 am

1 stop9h 13m

$529

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

mån 3/23

7:01 am-12:27 pm

1 stop7h 26m

Idaho Falls Fanning Field

ons 3/25

6:55 pm-5:51 am

1 stop8h 56m

$569

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

fre 8/28

7:10 am-2:27 pm

1 stop9h 17m

Idaho Falls Fanning Field

sön 9/6

6:50 pm-6:03 am

1 stop9h 13m

$589

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

fre 5/29

8:15 am-5:19 pm

2 stops11h 04m

Idaho Falls Fanning Field

sön 5/31

4:10 pm-12:33 am

2 stops30h 23m

$638

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

fre 5/29

4:17 pm-1:17 pm

1 stop23h 00m

Idaho Falls Fanning Field

sön 5/31

4:03 pm-6:28 am

2 stops12h 25m

$651
Quickest round-trip

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

sön 6/28

8:30 am-3:34 pm

1 stop9h 04m

Idaho Falls Fanning Field

tors 7/9

2:30 pm-11:30 pm

1 stop7h 00m

$704

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

ons 7/22

7:10 am-2:27 pm

1 stop9h 17m

Idaho Falls Fanning Field

mån 7/27

6:50 pm-8:31 am

2 stops11h 41m

$704

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

sön 7/12

7:10 am-10:14 pm

1 stop17h 04m

Idaho Falls Fanning Field

mån 7/20

6:50 pm-6:03 am

1 stop9h 13m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 15 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 March.
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 $238). Flying from Baltimore to Idaho Falls in May is currently the most expensive (average of $424). 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 mars 12, 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
8,286 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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
8,286 reviews
Delta
7.9
Good
8,286 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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
9,418 reviews
Delta
7.9
Good
8,286 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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 9h 17m. Alaska 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 $238). Flying from Baltimore to Idaho Falls in May is currently the most expensive (average of $424). 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 mars 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$360Average$473FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$466Average$730FlexibilityNo cancel feeOn-time69%

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