HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$237+ 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IDA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Idaho Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:15 amBWI - IDA
2 stops9h 15mUnited Airlines
Mon 12/295:00 amIDA - BWI
2 stops9h 58mUnited Airlines
Deal found 12/11$614
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:05 pmBWI - IDA
1 stop8h 54mUnited Airlines
Tue 12/305:00 amIDA - BWI
2 stops9h 58mUnited Airlines
Deal found 12/11$650
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:05 pmBWI - IDA
1 stop8h 54mUnited Airlines
Mon 12/295:00 amIDA - BWI
2 stops9h 58mUnited Airlines
Deal found 12/11$661
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/214:05 pmBWI - IDA
1 stop8h 54mUnited Airlines
Sun 12/285:00 amIDA - BWI
1 stop7h 59mUnited Airlines
Deal found 12/10$690
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/259:55 amBWI - IDA
1 stop7h 29mUnited Airlines
Mon 12/295:00 amIDA - BWI
1 stop7h 59mUnited Airlines
Deal found 12/10$701
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:05 pmBWI - IDA
1 stop8h 54mUnited Airlines
Mon 1/52:30 pmIDA - BWI
1 stop6h 46mUnited Airlines
Deal found 12/11$801

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 December 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$421
(Delta)

One-way from

$237
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$1,073
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
Highest demand for flights based on searches. 12% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

Sat 1/17

7:14 pm-6:18 pm

1 stop25h 04m

Idaho Falls Fanning Field

Sat 1/24

6:58 pm-6:14 pm

1 stop21h 16m

$426

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 2/28

4:10 pm-9:20 pm

1 stop7h 10m

Idaho Falls Fanning Field

Tue 3/3

2:40 pm-11:25 pm

1 stop6h 45m

$444

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 3/9

6:46 pm-4:43 pm

1 stop23h 57m

Idaho Falls Fanning Field

Wed 3/18

8:00 am-5:55 pm

1 stop7h 55m

$471

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 1/17

9:17 am-10:36 pm

2 stops15h 19m

Idaho Falls Fanning Field

Sat 1/24

7:20 am-11:10 pm

2 stops13h 50m

$479

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Thu 3/12

8:02 am-3:40 pm

1 stop9h 38m

Idaho Falls Fanning Field

Mon 3/16

2:35 pm-11:19 pm

1 stop6h 44m

$495

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 3/7

6:46 pm-10:36 pm

1 stop29h 50m

Idaho Falls Fanning Field

Tue 3/17

5:20 pm-5:55 pm

1 stop22h 35m

$502

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Thu 1/8

7:14 pm-10:59 pm

1 stop29h 45m

Idaho Falls Fanning Field

Mon 1/12

6:58 pm-6:14 pm

1 stop21h 16m

$502

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 3/9

8:02 am-1:30 pm

1 stop7h 28m

Idaho Falls Fanning Field

Tue 3/17

2:35 pm-11:19 pm

1 stop6h 44m

$511

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 3/11

4:03 pm-9:06 pm

1 stop7h 03m

Idaho Falls Fanning Field

Thu 3/19

2:35 pm-11:19 pm

1 stop6h 44m

$511

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 1/6

7:00 pm-10:59 pm

1 stop29h 59m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 11 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Baltimore-Idaho Falls flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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, January is the cheapest month in which you can book a flight from Baltimore to Idaho Falls (average of $289). Flying from Baltimore to Idaho Falls in June is currently the most expensive (average of $434). 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 December 12, 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.
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

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
9,095 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

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.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

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 10m. Alaska Airlines provides one of the quickest options available for as low as $444. 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, 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, January is the cheapest month in which you can book a flight from Baltimore to Idaho Falls (average of $289). Flying from Baltimore to Idaho Falls in June is currently the most expensive (average of $434). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Jackson flights
Reagan-National to Jackson flights
Baltimore to Jackson flights
Philadelphia to Jackson flights
Dulles Intl to Boise flights
Dulles Intl to Spokane flights
Baltimore to Boise flights
Reagan-National to Spokane flights
Dulles Intl to Hailey flights
Dulles Intl to Idaho Falls flights
Reagan-National to Boise flights
Baltimore to Spokane flights
Philadelphia to Spokane flights
Baltimore to Hailey flights
Reagan-National to Hailey flights
Philadelphia to Boise flights
Reagan-National to Idaho Falls flights
Philadelphia to Idaho Falls flights
Philadelphia to Hailey flights
Dulles Intl to West Yellowstone flights
Reagan-National to West Yellowstone flights
Baltimore to West Yellowstone flights
Philadelphia to West Yellowstone flights
Reagan-National to Pocatello flights
Baltimore to Lewiston flights
Reagan-National to Lewiston flights
Philadelphia to Twin Falls flights
Dulles Intl to Lewiston flights
Philadelphia to Pocatello flights
Dulles Intl to Twin Falls flights
Baltimore to Pocatello flights
Dulles Intl to Pocatello flights
Baltimore to Twin Falls flights
Reagan-National to Twin Falls flights

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$334Average$823FlexibilityNo cancel feeOn-time71%
DeltaCheapest$334Average$473FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$466Average$751FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.