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Idaho Falls

$144+ Cheap flights from Maryland to Idaho Falls (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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IDA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Maryland to Idaho Falls

Cheapest flights from Maryland to Idaho Falls
Explore the most affordable flight options available from Maryland to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:00 am
BWI
-
IDA
1 stop9h 22m
United Airlines
Wed 11/42:35 pm
IDA
-
BWI
1 stop6h 25m
United Airlines
Deal found 1/27$309
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 10/278:00 am
DCA
-
IDA
1 stop9h 29m
Alaska Airlines
Sat 10/316:15 am
IDA
-
DCA
1 stop7h 53m
Alaska Airlines
Deal found 1/28$309
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 10/276:30 am
IAD
-
IDA
1 stop10h 59m
Alaska Airlines
Sat 10/316:15 am
IDA
-
IAD
1 stop9h 01m
Alaska Airlines
Deal found 1/28$309
This Delta deal was found by Cheapflights users on 1/27. 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.
Tue 2/2412:59 pm
DCA
-
IDA
2 stops11h 22m
Delta
Tue 3/35:25 am
IDA
-
DCA
2 stops11h 08m
Delta
Deal found 1/27$329
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:58 pm
IAD
-
IDA
1 stop7h 00m
United Airlines
Tue 3/32:40 pm
IDA
-
IAD
1 stop6h 39m
United Airlines
Deal found 1/27$337
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:27 am
PHL
-
IDA
2 stops11h 13m
United Airlines
Tue 3/32:40 pm
IDA
-
PHL
1 stop6h 52m
United Airlines
Deal found 1/27$339
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:00 pm
DCA
-
IDA
1 stop8h 36m
Alaska Airlines
Tue 3/35:20 pm
IDA
-
DCA
1 stop20h 46m
Alaska Airlines
Deal found 1/27$354
This Orbitz deal was found by Cheapflights users on 1/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:17 pm
PHL
-
IDA
1 stop22h 14m
Alaska Airlines
Tue 5/264:08 pm
IDA
-
PHL
1 stop21h 54m
Alaska Airlines
Deal found 1/27$354
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:15 pm
IAD
-
IDA
1 stop7h 38m
United Airlines
Sat 7/44:15 pm
IDA
-
IAD
1 stop6h 17m
United Airlines
Deal found 1/28$362
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:22 am
IAD
-
IDA
1 stop9h 00m
United Airlines
Fri 7/104:15 pm
IDA
-
IAD
1 stop6h 17m
United Airlines
Deal found 1/27$374
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 4/247:16 pm
BWI
-
IDA
1 stop22h 13m
Alaska Airlines
Tue 4/286:00 am
IDA
-
BWI
1 stop10h 16m
Alaska Airlines
Deal found 1/28$399
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:00 pm
DCA
-
IDA
1 stop8h 36m
Alaska Airlines
Fri 2/278:00 am
IDA
-
DCA
1 stop11h 59m
Alaska Airlines
Deal found 1/27$399

Find flight deals from Maryland to Idaho Falls

Keep the following information in mind while searching for Maryland to Idaho Falls flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(United Airlines)

One-way from

$144
(Expedia)

Popular in

June

Cheapest in

January

Average price

$403
Provider with most accurate pricing for Washington, D.C. (WAS)-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Idaho Falls Fanning Field flights.
Search Deals
From Maryland to Idaho Falls Fanning Field
Search Deals
One-way flight from Maryland to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland 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 January 29, 2026.
Use the filters below to find and compare flights from Maryland to Idaho Falls that are best for you.

Fly from

Maryland

Fly to

Idaho Falls

Route

Depart

Return

Price

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Tue 2/24

5:10 pm-10:21 pm

1 stop7h 11m

Idaho Falls Fanning Field

Tue 3/3

5:25 am-6:33 pm

2 stops11h 08m

$339

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Tue 2/24

6:27 am-3:40 pm

2 stops11h 13m

Idaho Falls Fanning Field

Tue 3/3

2:40 pm-11:32 pm

1 stop6h 52m

$339

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Sat 5/23

7:17 pm-3:31 pm

1 stop22h 14m

Idaho Falls Fanning Field

Tue 5/26

4:08 pm-4:02 pm

1 stop21h 54m

$354

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Mon 6/29

5:15 pm-10:53 pm

1 stop7h 38m

Idaho Falls Fanning Field

Sat 7/4

4:15 pm-12:32 am

1 stop6h 17m

$362

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 4/24

7:16 pm-3:29 pm

1 stop22h 13m

Idaho Falls Fanning Field

Tue 4/28

6:00 am-6:16 pm

1 stop10h 16m

$399

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Wed 2/18

5:00 pm-11:36 pm

1 stop8h 36m

Idaho Falls Fanning Field

Fri 2/27

8:00 am-9:59 pm

1 stop11h 59m

$399

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Thu 5/28

7:00 am-12:27 pm

1 stop7h 27m

Idaho Falls Fanning Field

Mon 6/1

6:50 pm-5:43 am

1 stop8h 53m

$404

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 2/10

8:23 am-1:30 pm

1 stop7h 07m

Idaho Falls Fanning Field

Thu 2/19

2:40 pm-11:25 pm

1 stop6h 45m

$404

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Wed 5/27

8:00 pm-1:31 pm

2 stops19h 31m

Idaho Falls Fanning Field

Sat 5/30

2:35 pm-10:41 pm

1 stop6h 06m

$413

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Tue 6/30

6:35 am-1:31 pm

1 stop8h 56m

Idaho Falls Fanning Field

Sat 7/4

4:15 pm-12:32 am

1 stop6h 17m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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Best time to book a flight from Maryland to Idaho Falls

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

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

Currently, April is the cheapest month in which you can book a flight from Maryland to Idaho Falls (average of $333). Flying from Maryland to Idaho Falls in December is currently the most expensive (average of $516). 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.

Related info for your journey

Find useful and relevant information for your journey from Maryland 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 airport do you fly into for flights to Idaho Falls from Maryland?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly into when you book flights from Maryland to Idaho Falls.

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

    A quick flight from Maryland to Idaho Falls can take about 7h 11m. Delta provides one of the quickest options available for as low as $339. There are 1835 mi between Maryland and Idaho Falls. This flight may include one or multiple stops.

  • What are the most popular routes from Maryland to Idaho Falls?

    When deciding which route to take from Maryland to Idaho Falls consider Washington, D.C. Dulles Intl - Idaho Falls Fanning Field, Baltimore/Washington - Idaho Falls Fanning Field or Washington, D.C. Reagan-National - Idaho Falls Fanning Field as they are the most popular.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Maryland to Idaho Falls (average of $333). Flying from Maryland to Idaho Falls in December is currently the most expensive (average of $516). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Maryland to Idaho Falls

Discover the top 2 airlines that operate flights from Maryland 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$360Average$473FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$466Average$747FlexibilityNo cancel feeOn-time69%

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