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District of Columbia

$112+ Cheap flights from Idaho to District of Columbia

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Idaho to District of Columbia

Keep the following information in mind while searching for Idaho to District of Columbia flight deals. Data was last updated July 31, 2025.

Round-trip from

$217
(American Airlines)

One-way from

$112
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$471
From Idaho to District of Columbia
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One-way flight from Idaho to District of Columbia
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Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Idaho to District of Columbia

Cheapest flights from Idaho to District of Columbia
Explore the most affordable flight options available from Idaho to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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 9/257:44 amJAC - IAD
1 stop7h 06mAmerican Airlines
Mon 9/296:25 amIAD - JAC
1 stop10h 12mAmerican Airlines
Deal found 7/30$217
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/251:03 pmJAC - DCA
1 stop6h 57mAmerican Airlines
Mon 9/295:00 amDCA - JAC
1 stop8h 25mAmerican Airlines
Deal found 7/30$217
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 10/291:00 pmJAC - IAD
1 stop8h 33mDelta
Wed 11/127:20 amIAD - JAC
1 stop6h 57mDelta
Deal found 7/31$257
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1812:22 pmBOI - DCA
1 stop7h 37mFrontier
Wed 9/241:00 pmDCA - BOI
1 stop24h 37mFrontier
Deal found 7/31$265
This Delta deal was found by Cheapflights users on 7/31. 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 10/287:30 amJAC - DCA
2 stops9h 29mDelta
Wed 11/126:05 amDCA - JAC
2 stops14h 13mDelta
Deal found 7/31$267
This United Airlines deal was found by Cheapflights users on 7/31. 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 12/202:30 pmJAC - IAD
Nonstop4h 15mUnited Airlines
Sat 1/39:00 amIAD - JAC
Nonstop4h 40mUnited Airlines
Deal found 7/31$269
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:53 amGEG - DCA
1 stop7h 06mFrontier
Wed 9/101:00 pmDCA - GEG
1 stop24h 58mFrontier
Deal found 7/31$275
This SmartFares deal was found by Cheapflights users on 7/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:35 amBOI - IAD
1 stop8h 34mAlaska Airlines
Fri 9/196:09 pmIAD - BOI
1 stop7h 59mAlaska Airlines
Deal found 7/29$287
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/121:40 pmGEG - IAD
1 stop7h 43mHawaiian Airlines
Mon 9/156:09 pmIAD - GEG
1 stop9h 10mHawaiian Airlines
Deal found 7/29$296
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:25 amGEG - DCA
1 stop11h 34mHawaiian Airlines
Mon 9/155:49 pmDCA - GEG
1 stop8h 22mHawaiian Airlines
Deal found 7/29$296
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/222:21 pmGEG - IAD
1 stop6h 19mDelta
Mon 8/257:35 amIAD - GEG
1 stop10h 10mDelta
Deal found 7/29$297
This Delta deal was found by Cheapflights users on 7/31. 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 8/2210:54 pmGEG - DCA
1 stop7h 17mDelta
Mon 8/254:59 pmDCA - GEG
1 stop10h 03mDelta
Deal found 7/31$297

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to District of Columbia 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 July 31, 2025.
Use the filters below to find and compare flights from Idaho to District of Columbia that are best for you.

Fly from

Idaho

Fly to

District of Columbia

Route

Depart

Return

Price

JacksonWashington, D.C.

JAC - IAD

JACIAD

Jackson Hole

Thu 9/25

7:44 am-4:50 pm

1 stop7h 06m

Washington, D.C. Dulles Intl

Mon 9/29

6:25 am-2:37 pm

1 stop10h 12m

$217

JacksonWashington, D.C.

JAC - DCA

JACDCA

Jackson Hole

Thu 9/25

1:03 pm-10:00 pm

1 stop6h 57m

Washington, D.C. Reagan-National

Mon 9/29

5:00 am-11:25 am

1 stop8h 25m

$217

JacksonWashington, D.C.

JAC - IAD

JACIAD

Jackson Hole

Wed 10/29

1:00 pm-11:33 pm

1 stop8h 33m

Washington, D.C. Dulles Intl

Wed 11/12

7:20 am-12:17 pm

1 stop6h 57m

$257

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 9/18

12:22 pm-9:59 pm

1 stop7h 37m

Washington, D.C. Reagan-National

Wed 9/24

1:00 pm-11:37 am

1 stop24h 37m

$265

JacksonWashington, D.C.

JAC - DCA

JACDCA

Jackson Hole

Tue 10/28

7:30 am-6:59 pm

2 stops9h 29m

Washington, D.C. Reagan-National

Wed 11/12

6:05 am-6:18 pm

2 stops14h 13m

$267

JacksonWashington, D.C.

JAC - IAD

JACIAD

Jackson Hole

Sat 12/20

2:30 pm-8:45 pm

Nonstop4h 15m

Washington, D.C. Dulles Intl

Sat 1/3

9:00 am-11:40 am

Nonstop4h 40m

$269

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Fri 9/5

11:53 am-9:59 pm

1 stop7h 06m

Washington, D.C. Reagan-National

Wed 9/10

1:00 pm-10:58 am

1 stop24h 58m

$275

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Fri 9/12

6:35 am-5:09 pm

1 stop8h 34m

Washington, D.C. Dulles Intl

Fri 9/19

6:09 pm-12:08 am

1 stop7h 59m

$287

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 9/12

1:40 pm-12:23 am

1 stop7h 43m

Washington, D.C. Dulles Intl

Mon 9/15

6:09 pm-12:19 am

1 stop9h 10m

$296

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Fri 9/12

6:25 am-8:59 pm

1 stop11h 34m

Washington, D.C. Reagan-National

Mon 9/15

5:49 pm-11:11 pm

1 stop8h 22m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

What is the cheapest month to book a flight from Idaho to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from Idaho to District of Columbia (average of $241). Flying from Idaho to District of Columbia 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 ID to DC?

Find hourly flight availability from Idaho to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to District of Columbia as you normally would.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Idaho to District of Columbia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Idaho to District of Columbia. 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 to fly from Idaho to District of Columbia one-way?

    $112 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Frontier, with prices starting from $134 and $139, respectively.

  • Can I find deals for flights from Idaho to District of Columbia that include hotel bookings?

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

  • How can I find direct flights from Idaho to District of Columbia?

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

  • Can I find deals for business class flights from Idaho to District of Columbia?

    Yes. Cheapflights offers flight deals from Idaho to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Idaho to District of Columbia (average of $241). Flying from Idaho to District of Columbia 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 to District of Columbia

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Top 5 airlines flying from Idaho to District of Columbia

Discover the top 5 airlines that operate flights from Idaho to District of Columbia. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$141Average$452FlexibilityNo cancel feeOn-time75%
DeltaCheapest$286Average$459FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$300Average$546FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$300Average$626FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$346Average$493FlexibilityNo cancel feeOn-time63%

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