Reagan-National

$112+ Cheap flights from Idaho to Reagan-National (DCA)

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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DCA
ago. 5 — ago. 121
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Cheap flight deals from Idaho to Reagan-National

Keep the following information in mind while searching for Idaho to Reagan-National flight deals. Data was last updated julio 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 Washington, D.C. Reagan-National
One-way flight from Idaho to Washington, D.C. Reagan-National
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Idaho to Reagan-National

Cheapest flights from Idaho to Reagan-National
Explore the most affordable flight options available from Idaho to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 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.
jue. 9/251:03 pmJAC - DCA
1 stop6h 57mAmerican Airlines
lun. 9/295:00 amDCA - JAC
1 stop8h 25mAmerican Airlines
Deal found 7/30$217
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.
jue. 9/1812:22 pmBOI - DCA
1 stop7h 37mFrontier
mié. 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.
mar. 10/287:30 amJAC - DCA
2 stops9h 29mDelta
mié. 11/126:05 amDCA - JAC
2 stops14h 13mDelta
Deal found 7/31$267
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.
vie. 9/511:53 amGEG - DCA
1 stop7h 06mFrontier
mié. 9/101:00 pmDCA - GEG
1 stop24h 58mFrontier
Deal found 7/31$275
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.
vie. 9/126:25 amGEG - DCA
1 stop11h 34mHawaiian Airlines
lun. 9/155:49 pmDCA - GEG
1 stop8h 22mHawaiian Airlines
Deal found 7/29$296
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.
vie. 8/2210:54 pmGEG - DCA
1 stop7h 17mDelta
lun. 8/254:59 pmDCA - GEG
1 stop10h 03mDelta
Deal found 7/31$297
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/278:10 amBOI - DCA
1 stop10h 49mAlaska Airlines
mié. 9/38:00 amDCA - BOI
1 stop9h 54mAlaska Airlines
Deal found 7/30$300
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.
mié. 8/271:10 pmBOI - DCA
1 stop8h 40mAmerican Airlines
mié. 9/31:33 pmDCA - BOI
1 stop10h 15mAmerican Airlines
Deal found 7/30$301
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/2212:10 pmGEG - DCA
1 stop8h 15mSouthwest
lun. 8/254:40 pmDCA - GEG
2 stops10h 00mSouthwest
Deal found 7/29$302
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.
mié. 8/273:06 pmBOI - DCA
1 stop6h 30mDelta
dom. 8/316:00 amDCA - BOI
2 stops10h 01mDelta
Deal found 7/31$306
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/812:27 pmBOI - DCA
1 stop8h 16mUnited Airlines
mié. 9/107:00 amDCA - BOI
1 stop8h 49mUnited Airlines
Deal found 7/30$313
This American Airlines deal was found by Cheapflights users on 7/28. 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.
vie. 10/101:12 pmGEG - DCA
1 stop7h 30mAmerican Airlines
sáb. 10/186:59 amDCA - GEG
1 stop8h 21mAmerican Airlines
Deal found 7/28$317

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Reagan-National 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 julio 31, 2025.
Use the filters below to find and compare flights from Idaho to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Idaho

Fly to

Reagan-National

Route

Depart

Return

Price

JacksonWashington, D.C.

JAC - DCA

JACDCA

Jackson Hole

jue. 9/25

1:03 pm-10:00 pm

1 stop6h 57m

Washington, D.C. Reagan-National

lun. 9/29

5:00 am-11:25 am

1 stop8h 25m

$217

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

jue. 9/18

12:22 pm-9:59 pm

1 stop7h 37m

Washington, D.C. Reagan-National

mié. 9/24

1:00 pm-11:37 am

1 stop24h 37m

$265

JacksonWashington, D.C.

JAC - DCA

JACDCA

Jackson Hole

mar. 10/28

7:30 am-6:59 pm

2 stops9h 29m

Washington, D.C. Reagan-National

mié. 11/12

6:05 am-6:18 pm

2 stops14h 13m

$267

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

vie. 9/5

11:53 am-9:59 pm

1 stop7h 06m

Washington, D.C. Reagan-National

mié. 9/10

1:00 pm-10:58 am

1 stop24h 58m

$275

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

vie. 9/12

6:25 am-8:59 pm

1 stop11h 34m

Washington, D.C. Reagan-National

lun. 9/15

5:49 pm-11:11 pm

1 stop8h 22m

$296

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

vie. 8/22

10:54 pm-9:11 am

1 stop7h 17m

Washington, D.C. Reagan-National

lun. 8/25

4:59 pm-12:02 am

1 stop10h 03m

$297

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

mié. 8/27

8:10 am-8:59 pm

1 stop10h 49m

Washington, D.C. Reagan-National

dom. 8/31

8:00 am-3:54 pm

1 stop9h 54m

$300

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

mié. 8/27

1:10 pm-11:50 pm

1 stop8h 40m

Washington, D.C. Reagan-National

mié. 9/3

1:33 pm-9:48 pm

1 stop10h 15m

$301

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

vie. 8/22

12:10 pm-11:25 pm

1 stop8h 15m

Washington, D.C. Reagan-National

lun. 8/25

4:40 pm-11:40 pm

2 stops10h 00m

$302

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

mié. 8/27

3:06 pm-11:36 pm

1 stop6h 30m

Washington, D.C. Reagan-National

dom. 8/31

6:00 am-2:01 pm

2 stops10h 01m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 43 results
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Best time to book a flight from Idaho to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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 Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Idaho to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Idaho to Washington, D.C. Reagan-National Airport (average of $278). Flying from Idaho to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 DCA?

Find hourly flight availability from Idaho to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

When flying from Idaho to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated julio 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Idaho to Washington, D.C. Reagan-National Airport to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

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.

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

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.

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

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.
8.0
Very good

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

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.

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

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.

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

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 Reagan-National. 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 Washington, D.C. Reagan-National Airport one-way?

    The cheapest airlines for a one-way flight from Idaho to Washington, D.C. Reagan-National Airport are American Airlines ($112), Delta ($134), and Frontier ($139).

  • What are the most popular routes from Idaho to Washington, D.C. Reagan-National Airport?

  • Can I find deals for flights from Idaho to Reagan-National that include hotel bookings?

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

  • How can I find direct flights from Idaho to Reagan-National?

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

  • Can I find deals for business class flights from Idaho to Reagan-National?

    Yes. Cheapflights offers flight deals from Idaho to Reagan-National 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 Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Idaho to Washington, D.C. Reagan-National Airport (average of $278). Flying from Idaho to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Bowie

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Alternative routes for Idaho to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Idaho to Reagan-National

Discover the top 5 airlines that operate flights from Idaho to Reagan-National. 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$300Average$546FlexibilityNo cancel feeOn-time71%
DeltaCheapest$300Average$482FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$331Average$531FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$349Average$625FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$403Average$543FlexibilityNo cancel feeOn-time63%

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