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$210+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BWI
Oct 30 — Nov 61
Thu 10/30
Thu 11/6
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 September 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$392
(Alaska Airlines)

One-way from

$210
(Alaska Airlines)

Popular in

January

Cheapest in

November

Average price

$450
Provider with most accurate pricing for Idaho Falls Fanning Field-Baltimore/Washington flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Baltimore/Washington flights.
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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. 31% potential increase in price ($265 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/28. 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 12/95:07 pmIDA - BWI
1 stop10h 33mAlaska Airlines
Tue 1/67:00 pmBWI - IDA
1 stop25h 18mAlaska Airlines
Deal found 9/28$392
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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.
Wed 12/35:07 pmIDA - BWI
1 stop10h 33mAlaska Airlines
Mon 12/87:00 amBWI - IDA
1 stop11h 27mAlaska Airlines
Deal found 9/29$406
This Delta deal was found by Cheapflights users on 9/27. 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.
Fri 10/246:53 pmIDA - BWI
1 stop9h 07mDelta
Wed 10/297:15 amBWI - IDA
1 stop7h 18mDelta
Deal found 9/27$440
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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 12/95:07 pmIDA - BWI
1 stop10h 33mAlaska Airlines
Sat 1/37:04 amBWI - IDA
1 stop19h 03mAlaska Airlines
Deal found 9/28$498
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/97:15 amIDA - BWI
2 stops12h 53mAmerican Airlines
Tue 1/66:17 amBWI - IDA
1 stop9h 20mAmerican Airlines
Deal found 9/28$510
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/145:00 amIDA - BWI
2 stops10h 26mUnited Airlines
Mon 10/2010:10 amBWI - IDA
1 stop9h 05mUnited Airlines
Deal found 9/29$576
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Fri 10/241:11 pmIDA - BWI
2 stops18h 44mAmerican Airlines
Wed 10/291:27 pmBWI - IDA
1 stop10h 21mAmerican Airlines
Deal found 9/28$585
This Delta deal was found by Cheapflights users on 9/28. 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 12/97:06 pmIDA - BWI
1 stop8h 56mDelta
Sat 1/312:20 pmBWI - IDA
2 stops12h 32mDelta
Deal found 9/28$597
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 10/146:00 amIDA - BWI
1 stop9h 12mAlaska Airlines
Sat 10/187:51 amBWI - IDA
1 stop9h 47mAlaska Airlines
Deal found 9/29$600
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/145:00 amIDA - BWI
2 stops10h 26mUnited Airlines
Sat 10/184:21 pmBWI - IDA
1 stop6h 31mUnited Airlines
Deal found 9/29$601

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 September 30, 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

Tue 12/9

5:07 pm-5:40 am

1 stop10h 33m

Baltimore/Washington

Tue 1/6

7:00 pm-6:18 pm

1 stop25h 18m

$392

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Wed 12/3

5:07 pm-5:40 am

1 stop10h 33m

Baltimore/Washington

Mon 12/8

7:00 am-4:27 pm

1 stop11h 27m

$406

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Fri 10/24

6:53 pm-6:00 am

1 stop9h 07m

Baltimore/Washington

Wed 10/29

7:15 am-12:33 pm

1 stop7h 18m

$440

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Tue 3/10

6:45 pm-6:07 am

1 stop9h 22m

Baltimore/Washington

Wed 3/11

12:15 pm-10:21 pm

2 stops12h 06m

$481

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Wed 2/4

6:30 am-3:04 pm

1 stop6h 34m

Baltimore/Washington

Sun 2/8

8:20 am-1:30 pm

1 stop7h 10m

$497

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Tue 12/9

5:07 pm-5:40 am

1 stop10h 33m

Baltimore/Washington

Sat 1/3

7:04 am-12:07 am

1 stop19h 03m

$498

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Tue 12/9

7:15 am-10:08 pm

2 stops12h 53m

Baltimore/Washington

Tue 1/6

6:17 am-1:37 pm

1 stop9h 20m

$510

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Tue 3/10

7:00 am-3:06 pm

1 stop6h 06m

Baltimore/Washington

Wed 3/11

4:10 pm-9:08 pm

1 stop6h 58m

$511

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Tue 12/30

6:00 am-6:00 pm

1 stop10h 00m

$210

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Fri 1/2

10:52 pm-6:19 pm

2 stops17h 27m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 11 results
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Compare providers for flights from Idaho Falls to Baltimore

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 Idaho Falls to Baltimore in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Idaho Falls-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Baltimore 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 Idaho Falls-Baltimore 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 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 September 30, 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 September 30, 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
7,964 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

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
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

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
8,931 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

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.

  • How long is the flight from Idaho Falls to Baltimore?

    A quick flight from Idaho Falls to Baltimore can take about 9h 07m. Alaska Airlines provides one of the quickest options available for as low as $440. There are 1845 mi between Idaho Falls and Baltimore. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $294 on this airline. An additional option worth looking into is United Airlines, starting at $401. These flights start at 49% 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 September 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$294Average$437FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$401Average$563FlexibilityNo cancel feeOn-time69%

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