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$201+ Cheap flights from Idaho Falls to Baltimore (IDA - BWI)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BWI
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Idaho Falls to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Baltimore (BWI). 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 August 14, 2025.

Round-trip from

$299
(Kiwi.com)

One-way from

$201
(Delta)

Popular in

January

Cheapest in

November

Average price

$549
From Idaho Falls Fanning Field to Baltimore/Washington
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One-way flight from Idaho Falls Fanning Field to Baltimore/Washington
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Highest demand for flights based on searches. 28% potential increase in price ($236 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Idaho Falls to Baltimore

Cheapest flights from Idaho Falls to Baltimore
Explore the most affordable flight options available from Idaho Falls to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:43 pmIDA - BWI
2 stops25h 34mMultiple Airlines
Mon 9/228:16 amBWI - IDA
1 stop8h 33mMultiple Airlines
Deal found 8/14$299
This Delta deal was found by Cheapflights users on 8/13. 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 9/156:51 pmIDA - BWI
1 stop9h 09mDelta
Wed 9/177:15 amBWI - IDA
1 stop7h 11mDelta
Deal found 8/13$401
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 10/161:11 pmIDA - BWI
1 stop8h 37mAmerican Airlines
Mon 10/206:14 amBWI - IDA
1 stop8h 27mAmerican Airlines
Deal found 8/13$426
This Delta deal was found by Cheapflights users on 8/14. 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 9/186:51 pmIDA - BWI
1 stop9h 09mDelta
Mon 9/227:15 amBWI - IDA
1 stop7h 11mDelta
Deal found 8/14$446
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:43 pmIDA - BWI
2 stops23h 50mMultiple Airlines
Sun 9/217:00 amBWI - IDA
1 stop10h 20mMultiple Airlines
Deal found 8/14$457
This Delta deal was found by Cheapflights users on 8/14. 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 9/186:51 pmIDA - BWI
1 stop9h 09mDelta
Sun 9/217:15 amBWI - IDA
1 stop7h 11mDelta
Deal found 8/14$490
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 9/186:44 amIDA - BWI
2 stops13h 45mAmerican Airlines
Mon 9/2210:00 amBWI - IDA
2 stops13h 25mAmerican Airlines
Deal found 8/14$530
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/154:15 pmIDA - BWI
2 stops15h 40mUnited Airlines
Wed 9/1710:51 amBWI - IDA
2 stops12h 03mUnited Airlines
Deal found 8/13$590
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 9/186:44 amIDA - BWI
2 stops13h 45mAmerican Airlines
Sun 9/215:00 amBWI - IDA
2 stops10h 03mAmerican Airlines
Deal found 8/14$625

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Baltimore 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 August 14, 2025.
Use the filters below to find and compare flights from Idaho Falls to Baltimore that are best for you.

Fly from

Idaho Falls

Fly to

Baltimore

Route

Depart

Return

Price

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Thu 9/18

8:43 pm-12:17 am

2 stops25h 34m

Baltimore/Washington

Mon 9/22

8:16 am-2:49 pm

1 stop8h 33m

$299

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Mon 9/15

6:51 pm-6:00 am

1 stop9h 09m

Baltimore/Washington

Wed 9/17

7:15 am-12:26 pm

1 stop7h 11m

$401

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Thu 10/16

1:11 pm-11:48 pm

1 stop8h 37m

Baltimore/Washington

Mon 10/20

6:14 am-12:41 pm

1 stop8h 27m

$426

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Thu 9/18

6:51 pm-6:00 am

1 stop9h 09m

Baltimore/Washington

Mon 9/22

7:15 am-12:26 pm

1 stop7h 11m

$446

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Thu 9/18

8:43 pm-10:33 pm

2 stops23h 50m

Baltimore/Washington

Sun 9/21

7:00 am-3:20 pm

1 stop10h 20m

$457

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Thu 9/18

6:51 pm-6:00 am

1 stop9h 09m

Baltimore/Washington

Sun 9/21

7:15 am-12:26 pm

1 stop7h 11m

$490

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Thu 9/18

6:44 am-10:29 pm

2 stops13h 45m

Baltimore/Washington

Mon 9/22

10:00 am-9:25 pm

2 stops13h 25m

$530

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Mon 9/15

4:15 pm-9:55 am

2 stops15h 40m

Baltimore/Washington

Wed 9/17

10:51 am-8:54 pm

2 stops12h 03m

$590

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Thu 9/18

6:44 am-10:29 pm

2 stops13h 45m

Baltimore/Washington

Sun 9/21

5:00 am-1:03 pm

2 stops10h 03m

$625

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Wed 9/10

6:52 pm-6:00 am

1 stop9h 08m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 18 results
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Best time to book a flight from Idaho Falls to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Idaho Falls 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 Idaho Falls to Baltimore

What is the cheapest month to book a flight from Idaho Falls to Baltimore?

Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Baltimore (average of $241). Flying from Idaho Falls to Baltimore in March is currently the most expensive (average of $290). 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.

What is the cheapest time of day to fly from IDA to BWI?

Find hourly flight availability from Idaho Falls to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s typically best to fly out from Idaho Falls to Baltimore in the evening. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

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

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Idaho Falls to Baltimore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Baltimore. 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 Idaho Falls to Baltimore round-trip?

    Our cheapest airline available from Idaho Falls to Baltimore is Delta. Our recent data shows that you can find tickets from as low as $346 on this airline. An additional option worth looking into is United Airlines, starting at $401. These flights start at 42% lower than the current average price 3 months from now.

  • Can I find deals for flights from Idaho Falls to Baltimore that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Baltimore.

  • Can I find deals for business class flights from Idaho Falls to Baltimore?

    Yes. Cheapflights offers flight deals from Idaho Falls to Baltimore 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 Idaho Falls to Baltimore?

    Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Baltimore (average of $241). Flying from Idaho Falls to Baltimore in March is currently the most expensive (average of $290). 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

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Alternative routes for Idaho Falls to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Idaho Falls to Baltimore

Discover the top 2 airlines that operate flights from Idaho Falls to Baltimore. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$346Average$493FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$401Average$618FlexibilityNo cancel feeOn-time69%

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