HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maryland

$110+ Cheap flights from Idaho to Maryland

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
apr 18 — apr 251
sab 4/18
sab 4/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Maryland 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 Idaho to Maryland

Cheapest flights from Idaho to Maryland
Explore the most affordable flight options available from Idaho to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 19, 2026.

This Expedia deal was found by Cheapflights users on 3/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 5/121:22 pm
BOI
-
DCA
1 stop6h 36m
Frontier
mar 5/197:00 am
DCA
-
BOI
1 stop7h 27m
Frontier
Deal found 3/15$210
This Frontier deal was found by Cheapflights users on 3/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 4/1212:03 pm
BOI
-
DCA
1 stop21h 59m
Frontier
sab 4/181:59 pm
DCA
-
BOI
1 stop23h 09m
Frontier
Deal found 3/15$233
This Booking.com deal was found by Cheapflights users on 3/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 5/71:22 pm
BOI
-
PHL
1 stop14h 15m
Frontier
lun 5/118:35 pm
PHL
-
BOI
1 stop17h 52m
Frontier
Deal found 3/17$233
This Expedia deal was found by Cheapflights users on 3/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 5/51:22 pm
BOI
-
DCA
1 stop6h 36m
Frontier
dom 5/107:00 am
DCA
-
BOI
1 stop7h 27m
Frontier
Deal found 3/17$235
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 4/1611:53 am
BOI
-
DCA
1 stop8h 06m
Multiple Airlines
mar 4/218:59 am
DCA
-
BOI
1 stop16h 48m
Multiple Airlines
Deal found 3/18$251
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 5/141:22 pm
BOI
-
DCA
1 stop6h 36m
Frontier
mar 5/197:00 am
DCA
-
BOI
1 stop7h 27m
Frontier
Deal found 3/18$255
This Expedia deal was found by Cheapflights users on 3/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 5/211:25 pm
BOI
-
DCA
1 stop6h 33m
Frontier
dom 5/247:00 am
DCA
-
BOI
1 stop7h 30m
Frontier
Deal found 3/17$270
This Delta deal was found by Cheapflights users on 3/16. 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.
mar 4/142:18 pm
BOI
-
IAD
1 stop8h 24m
Delta
sab 4/186:00 am
IAD
-
BOI
1 stop9h 07m
Delta
Deal found 3/16$271
This Southwest deal was found by Cheapflights users on 3/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 4/151:45 pm
GEG
-
IAD
1 stop6h 55m
Southwest
mer 4/225:30 pm
IAD
-
GEG
1 stop8h 25m
Southwest
Deal found 3/16$271
This Delta deal was found by Cheapflights users on 3/16. 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.
sab 4/255:40 am
BOI
-
DCA
1 stop7h 47m
Delta
mar 4/284:39 pm
DCA
-
BOI
1 stop9h 38m
Delta
Deal found 3/16$271
This Delta deal was found by Cheapflights users on 3/18. 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.
sab 5/95:00 am
GEG
-
DCA
1 stop7h 30m
Delta
mar 5/124:40 pm
DCA
-
GEG
1 stop9h 11m
Delta
Deal found 3/18$271
This Delta deal was found by Cheapflights users on 3/16. 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.
sab 4/256:00 am
BOI
-
IAD
2 stops11h 56m
Delta
mar 4/287:00 am
IAD
-
BOI
1 stop8h 12m
Delta
Deal found 3/16$276

Find flight deals from Idaho to Maryland

Keep the following information in mind while searching for Idaho to Maryland flight deals. Data was last updated marzo 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Expedia)

One-way from

$110
(Priceline)

Popular in

December

Cheapest in

February

Average price

$425
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flights.
Search Deals
From Idaho to Maryland
Search Deals
One-way flight from Idaho to Maryland
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Maryland 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 marzo 19, 2026.
Use the filters below to find and compare flights from Idaho to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

mar 4/14

6:32 am-5:22 pm

1 stop8h 50m

Washington, D.C. Dulles Intl

mer 4/15

7:00 am-3:29 pm

1 stop10h 29m

$271

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

sab 5/9

10:45 am-10:55 pm

1 stop9h 10m

Washington, D.C. Dulles Intl

mar 5/12

6:20 am-10:15 am

1 stop6h 55m

$271

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

mar 4/14

5:40 am-3:27 pm

1 stop7h 47m

Washington, D.C. Reagan-National

mar 4/21

4:39 pm-12:17 am

1 stop9h 38m

$271

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

mer 4/29

2:18 pm-12:42 am

1 stop8h 24m

Washington, D.C. Dulles Intl

sab 5/2

6:00 am-2:26 pm

2 stops10h 26m

$276

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

mer 4/22

12:35 pm-1:25 am

1 stop9h 50m

Washington, D.C. Dulles Intl

mar 4/28

9:55 am-3:15 pm

1 stop8h 20m

$291

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

mar 5/5

2:18 pm-12:42 am

1 stop8h 24m

Washington, D.C. Dulles Intl

mar 5/12

7:00 am-2:43 pm

1 stop9h 43m

$291

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

mer 4/22

10:40 pm-9:15 am

1 stop7h 35m

Washington, D.C. Dulles Intl

mer 4/29

7:00 am-12:27 pm

1 stop8h 27m

$291

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

ven 5/8

4:15 pm-8:37 am

2 stops13h 22m

Washington, D.C. Reagan-National

mar 5/12

4:40 pm-10:51 pm

1 stop9h 11m

$294

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

mer 4/22

5:30 am-6:59 pm

2 stops10h 29m

Washington, D.C. Reagan-National

mar 4/28

6:59 am-11:41 am

1 stop7h 42m

$296

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

gio 4/23

3:23 pm-11:32 pm

1 stop6h 09m

Washington, D.C. Dulles Intl

mer 4/29

7:00 am-4:14 pm

1 stop11h 14m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Idaho to Maryland

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

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

Currently, September is the cheapest month in which you can book a flight from Idaho to Maryland (average of $225). Flying from Idaho to Maryland in February 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 Maryland

Get insights into the airlines that provide service to Maryland. 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 Maryland. Reviews last updated marzo 19, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Idaho to Maryland. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,320 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,320 reviews
Southwest
8.0
Very good
4,320 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Delta
7.9
Good
8,298 reviews
Southwest
8.0
Very good
4,320 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
United Airlines
7.4
Good
9,442 reviews
Southwest
8.0
Very good
4,320 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Related info for your journey

Find useful and relevant information for your journey from Idaho to Maryland. 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 to Maryland?

    A quick flight from Idaho to Maryland can take about 7h 47m. Alaska Airlines provides one of the quickest options available for as low as $271. The distance from Idaho to Maryland is about 2042 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Idaho to Maryland one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $143. Users have also found prices from $153 and $158 on United Airlines and Southwest, respectively.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Idaho to Maryland (average of $225). Flying from Idaho to Maryland in February 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

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 Idaho to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Honolulu flights
John F Kennedy Intl to Miami flights
Newark to San Francisco flights
San Francisco to Newark flights
San Francisco to John F Kennedy Intl flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to San Francisco flights
Newark to Miami flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Miami flights
Newark to West Palm Beach flights
San Francisco to LaGuardia flights
John F Kennedy Intl to Orlando flights
LaGuardia to San Francisco flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Los Angeles flights
Newark to Orlando flights
Ontario to Honolulu flights
Long Beach to Honolulu flights
John F Kennedy Intl to West Palm Beach flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Las Vegas flights
Los Angeles to John F Kennedy Intl flights
Newark to Los Angeles flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Las Vegas flights
LaGuardia to Orlando flights
Seattle to Las Vegas flights
Burbank to Honolulu flights
Los Angeles to Newark flights
Dallas/Fort Worth to Seattle flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to O'Hare Intl flights
Seattle to Los Angeles flights
Los Angeles to Seattle flights
Dallas/Fort Worth to Newark flights
Newark to Las Vegas flights
Dulles Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Tampa flights
Newark to Tampa flights
O'Hare Intl to Las Vegas flights
San Francisco to Las Vegas flights
Los Angeles to Dallas/Fort Worth flights
Dallas/Fort Worth to Los Angeles flights
San Francisco to Los Angeles flights
O'Hare Intl to John F Kennedy Intl flights
LaGuardia to Tampa flights
O'Hare Intl to Sky Harbor Intl flights

Top 3 airlines flying from Idaho to Maryland

Discover the top 3 airlines that operate flights from Idaho to Maryland. 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 marzo 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$494FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$340Average$436FlexibilityNo cancel feeOn-time63%

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.