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Idaho Falls

$164+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IDA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$326
(Mytrip)

One-way from

$164
(Mytrip)

Popular in

September

Cheapest in

April

Average price

$738
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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Highest demand for flights based on searches. 8% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:45 amBWI - IDA
3 stops37h 21mMultiple Airlines
Fri 8/2210:50 pmIDA - BWI
1 stop23h 20mMultiple Airlines
Deal found 6/10$326
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:00 amBWI - IDA
1 stop10h 23mAlaska Airlines
Wed 8/274:03 pmIDA - BWI
1 stop11h 30mAlaska Airlines
Deal found 6/10$400
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:15 amBWI - IDA
1 stop9h 04mDelta
Thu 8/216:52 pmIDA - BWI
1 stop9h 08mDelta
Deal found 6/10$401
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/124:20 pmBWI - IDA
1 stop8h 31mUnited Airlines
Tue 7/156:03 pmIDA - BWI
1 stop9h 07mUnited Airlines
Deal found 6/11$404
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/126:00 amBWI - IDA
1 stop9h 00mAmerican Airlines
Thu 8/217:00 amIDA - BWI
2 stops11h 52mAmerican Airlines
Deal found 6/10$406

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 June 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

Wed 8/13

5:45 am-5:06 pm

3 stops37h 21m

Idaho Falls Fanning Field

Fri 8/22

10:50 pm-12:10 am

1 stop23h 20m

$326

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 8/26

7:00 am-3:23 pm

1 stop10h 23m

Idaho Falls Fanning Field

Wed 8/27

4:03 pm-5:33 am

1 stop11h 30m

$400

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 8/12

7:15 am-2:19 pm

1 stop9h 04m

Idaho Falls Fanning Field

Thu 8/21

6:52 pm-6:00 am

1 stop9h 08m

$401

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 7/12

4:20 pm-10:51 pm

1 stop8h 31m

Idaho Falls Fanning Field

Tue 7/15

6:03 pm-5:10 am

1 stop9h 07m

$404

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 8/12

6:00 am-1:00 pm

1 stop9h 00m

Idaho Falls Fanning Field

Thu 8/21

7:00 am-8:52 pm

2 stops11h 52m

$406

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Thu 7/31

2:50 pm-11:44 am

2 stops22h 54m

$164

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 9/2

7:15 am-2:19 pm

1 stop9h 04m

$201

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 9/13

7:00 am-3:23 pm

1 stop10h 23m

$203

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Thu 6/19

7:51 am-10:39 pm

1 stop16h 48m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Baltimore to Idaho Falls by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, Alaska Airlines ($400), Delta ($401), and United Airlines ($404) offers the cheapest pricing from Baltimore to Idaho Falls. Alaska Airlines is currently priced 42% 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), Hawaiian Airlines ($203), and Alaska Airlines ($638).

  • 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 Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Rexburg

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Alternative routes for Baltimore to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$334Average$823FlexibilityNo cancel feeOn-time71%
DeltaCheapest$334Average$473FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$466Average$799FlexibilityNo cancel feeOn-time69%

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