$120+ Cheap flights from Boise (BOI) 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DCA
Aug 23 — Aug 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise to Reagan-National 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 Boise to Reagan-National
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to Reagan-NationalExplore the most affordable flight options available from Boise to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
Explore the most affordable flight options available from Boise to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
This Frontier deal was found by Cheapflights users on 7/19. 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.
Tue 9/2212:59 pm
BOI
- DCA
1 stop6h 59m
Frontier
Tue 9/297:00 am
DCA
- BOI
1 stop7h 04m
Frontier
Deal found 7/19![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/21. 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.
Thu 8/131:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Wed 8/191:59 pm
DCA
- BOI
1 stop23h 30m
Frontier
Deal found 7/21![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Mon 8/241:59 pm
DCA
- BOI
1 stop24h 30m
Frontier
Deal found 7/19![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:59 pm
BOI
- DCA
1 stop21h 50m
Frontier
Wed 9/301:59 pm
DCA
- BOI
1 stop24h 05m
Frontier
Deal found 7/19![Frontier logo]()
$251
This Expedia deal was found by Cheapflights users on 7/23. 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.
Thu 8/61:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Sun 8/97:00 am
DCA
- BOI
1 stop7h 29m
Frontier
Deal found 7/23![Frontier logo]()
$287
This Expedia deal was found by Cheapflights users on 7/21. 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.
Thu 8/2012:24 pm
BOI
- DCA
1 stop7h 35m
Multiple Airlines
Thu 8/2710:59 am
DCA
- BOI
1 stop11h 21m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 7/20. 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.
Thu 8/2711:10 pm
BOI
- DCA
1 stop8h 00m
Delta
Sat 8/295:59 pm
DCA
- BOI
1 stop6h 47m
Delta
Deal found 7/20![Delta logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 9/96:00 am
BOI
- DCA
1 stop8h 00m
Alaska Airlines
Wed 9/95:27 pm
DCA
- BOI
1 stop8h 28m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$297
This Priceline deal was found by Cheapflights users on 7/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:24 pm
BOI
- DCA
1 stop7h 35m
Multiple Airlines
Sun 8/308:00 am
DCA
- BOI
1 stop8h 22m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$301
Best flights from Boise to Reagan-NationalDiscover carefully curated flight deals from Boise to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from Boise to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Wed 9/233:21 pm
BOI
- DCA
1 stop6h 38m
American Airlines
Tue 9/298:40 am
DCA
- BOI
1 stop7h 51m
American Airlines
Deal found 7/19![American Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 8/155:30 am
BOI
- DCA
1 stop6h 18m
Delta
Mon 8/174:35 pm
DCA
- BOI
1 stop9h 18m
Delta
Deal found 7/23![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 7/21. 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.
Wed 8/266:00 am
BOI
- DCA
2 stops10h 00m
Southwest
Mon 8/314:55 pm
DCA
- BOI
2 stops9h 00m
Southwest
Deal found 7/21![Southwest logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 8/296:00 am
BOI
- DCA
1 stop8h 00m
Alaska Airlines
Tue 9/18:00 am
DCA
- BOI
1 stop9h 31m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 7/20. 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 8/265:30 am
BOI
- DCA
1 stop6h 18m
Delta
Sun 8/306:59 pm
DCA
- BOI
1 stop7h 00m
Delta
Deal found 7/20![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 7/22. 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.
Thu 8/2012:10 pm
BOI
- DCA
1 stop9h 45m
Southwest
Thu 8/274:55 pm
DCA
- BOI
2 stops9h 00m
Southwest
Deal found 7/22![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 7/23. 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.
Mon 8/2412:10 pm
BOI
- DCA
1 stop9h 45m
Southwest
Wed 8/264:50 pm
DCA
- BOI
2 stops8h 20m
Southwest
Deal found 7/23![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 7/21. 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.
Fri 9/1111:30 am
BOI
- DCA
2 stops9h 00m
Southwest
Sat 9/126:05 am
DCA
- BOI
2 stops14h 30m
Southwest
Deal found 7/21![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 7/21. 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.
Mon 8/176:00 am
BOI
- DCA
1 stop8h 40m
Southwest
Mon 8/244:35 pm
DCA
- BOI
2 stops9h 00m
Southwest
Deal found 7/21![Southwest logo]()
$411
This Southwest deal was found by Cheapflights users on 7/20. 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.
Tue 8/1812:35 pm
BOI
- DCA
2 stops9h 20m
Southwest
Tue 8/252:40 pm
DCA
- BOI
2 stops10h 30m
Southwest
Deal found 7/20![Southwest logo]()
$416
Last-minute flights from Boise to Reagan-NationalDiscover last-minute flight deals from Boise to Reagan-National. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Reagan-National. Data last updated July 24, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/23. 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.
Thu 8/61:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Sun 8/97:00 am
DCA
- BOI
1 stop7h 29m
Frontier
Deal found 7/23![Frontier logo]()
$287
This Frontier deal was found by Cheapflights users on 7/21. 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.
Thu 8/131:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Wed 8/191:59 pm
DCA
- BOI
1 stop23h 30m
Frontier
Deal found 7/21![Frontier logo]()
$241
This Expedia deal was found by Cheapflights users on 7/20. 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.
Tue 8/181:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Tue 8/257:00 am
DCA
- BOI
1 stop7h 29m
Frontier
Deal found 7/20![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Mon 8/241:59 pm
DCA
- BOI
1 stop24h 30m
Frontier
Deal found 7/19![Frontier logo]()
$250
This Expedia deal was found by Cheapflights users on 7/21. 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.
Thu 8/2012:24 pm
BOI
- DCA
1 stop7h 35m
Multiple Airlines
Thu 8/2710:59 am
DCA
- BOI
1 stop11h 21m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 7/21. 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.
Thu 8/2012:10 pm
BOI
- DCA
1 stop9h 45m
Southwest
Thu 8/274:55 pm
DCA
- BOI
2 stops9h 00m
Southwest
Deal found 7/21![Southwest logo]()
$304
This CheapOair deal was found by Cheapflights users on 7/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:24 pm
BOI
- DCA
1 stop22h 27m
Frontier
Tue 9/17:00 am
DCA
- BOI
1 stop7h 29m
Frontier
Deal found 7/22![Frontier logo]()
$252
This Delta deal was found by Cheapflights users on 7/21. 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 8/265:30 am
BOI
- DCA
1 stop6h 18m
Delta
Mon 8/316:59 pm
DCA
- BOI
1 stop7h 00m
Delta
Deal found 7/21![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 7/20. 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.
Thu 8/2711:10 pm
BOI
- DCA
1 stop8h 00m
Delta
Sat 8/295:59 pm
DCA
- BOI
1 stop6h 47m
Delta
Deal found 7/20![Delta logo]()
$293
This Priceline deal was found by Cheapflights users on 7/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:24 pm
BOI
- DCA
1 stop7h 35m
Multiple Airlines
Sun 8/308:00 am
DCA
- BOI
1 stop8h 22m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$301
One-way flights from Boise to Reagan-NationalSearch for one-way flight options from Boise to Reagan-National. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from Boise to Reagan-National. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Frontier deal was found by Cheapflights users on 7/19. 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.
Tue 10/612:59 pm
BOI
- DCA
1 stop6h 59m
Frontier
Deal found 7/19![Frontier logo]()
$120
This deal was found by Cheapflights users on 7/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:23 pm
BOI
- DCA
1 stop7h 35m
Frontier
Deal found 7/23![Frontier logo]()
$122
This Expedia deal was found by Cheapflights users on 7/19. 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.
Sun 8/161:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Deal found 7/19![Frontier logo]()
$127
This Expedia deal was found by Cheapflights users on 7/21. 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.
Tue 8/41:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Deal found 7/21![Frontier logo]()
$133
This CheapOair deal was found by Cheapflights users on 7/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Deal found 7/23![Frontier logo]()
$134
This CheapOair deal was found by Cheapflights users on 7/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Deal found 7/21![Frontier logo]()
$138
This Delta deal was found by Cheapflights users on 7/20. 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.
Sat 8/291:59 pm
BOI
- DCA
1 stop7h 49m
Delta
Deal found 7/20![Delta logo]()
$147
This Delta deal was found by Cheapflights users on 7/22. 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.
Sat 8/155:30 am
BOI
- DCA
1 stop6h 18m
Delta
Deal found 7/22![Delta logo]()
$152
This American Airlines deal was found by Cheapflights users on 7/20. 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 9/183:21 pm
BOI
- DCA
1 stop6h 38m
American Airlines
Deal found 7/20![American Airlines logo]()
$171
This deal was found by Cheapflights users on 7/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:24 pm
BOI
- DCA
1 stop6h 35m
Frontier
Deal found 7/19![Frontier logo]()
$172
This American Airlines deal was found by Cheapflights users on 7/21. 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 7/313:10 pm
BOI
- DCA
1 stop6h 49m
American Airlines
Deal found 7/21![American Airlines logo]()
$177
Find flight deals from Boise to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Reagan-National (DCA). 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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Frontier) |
One-way from | $120 (Frontier) |
Popular in | December |
Cheapest in | February |
Average price | $520 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 July 24, 2026.
Use the filters below to find and compare flights from Boise to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Wed 9/23
3:21 pm-11:59 pm
1 stop6h 38m
Washington, D.C. Reagan-National
Tue 9/29
8:40 am-2:31 pm
1 stop7h 51m
$293
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Sat 8/15
5:30 am-1:48 pm
1 stop6h 18m
Washington, D.C. Reagan-National
Mon 8/17
4:35 pm-11:53 pm
1 stop9h 18m
$303
Quickest round-trip
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Wed 8/26
5:30 am-1:48 pm
1 stop6h 18m
Washington, D.C. Reagan-National
Sun 8/30
6:59 pm-11:59 pm
1 stop7h 00m
$317
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Wed 8/26
6:00 am-6:00 pm
2 stops10h 00m
Washington, D.C. Reagan-National
Mon 8/31
4:55 pm-11:55 pm
2 stops9h 00m
$333
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Thu 8/20
12:10 pm-11:55 pm
1 stop9h 45m
Washington, D.C. Reagan-National
Thu 8/27
4:55 pm-11:55 pm
2 stops9h 00m
$334
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Mon 8/24
12:10 pm-11:55 pm
1 stop9h 45m
Washington, D.C. Reagan-National
Wed 8/26
4:50 pm-11:10 pm
2 stops8h 20m
$336
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Sat 8/29
6:00 am-4:00 pm
1 stop8h 00m
Washington, D.C. Reagan-National
Tue 9/1
8:00 am-3:31 pm
1 stop9h 31m
$356
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Fri 9/11
11:30 am-10:30 pm
2 stops9h 00m
Washington, D.C. Reagan-National
Sat 9/12
6:05 am-6:35 pm
2 stops14h 30m
$359
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Mon 8/17
6:00 am-4:40 pm
1 stop8h 40m
Washington, D.C. Reagan-National
Mon 8/24
4:35 pm-11:35 pm
2 stops9h 00m
$411
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Tue 8/18
12:35 pm-11:55 pm
2 stops9h 20m
Washington, D.C. Reagan-National
Tue 8/25
2:40 pm-11:10 pm
2 stops10h 30m
$416
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Boise to Reagan-National
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 Boise to Reagan-National in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Washington, D.C. Reagan-National Airport 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 Boise-Washington, D.C. Reagan-National Airport 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 Boise to Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Boise with our price prediction graph.
BOI-DCA
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 Boise to Washington, D.C. Reagan-National Airport
How far ahead should I book a flight from Boise to Washington, D.C. Reagan-National Airport?
To ensure you get the cheapest price possible for a flight from Boise to Washington, D.C. Reagan-National Airport, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Boise to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Boise to Washington, D.C. Reagan-National Airport (average of $380). Flying from Boise to Washington, D.C. Reagan-National Airport in December is currently the most expensive (average of $679). 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.
How much does it cost to fly round-trip from Boise to Washington, D.C. Reagan-National Airport?
Airfare is below average for this route at the moment.
Boise to Washington, D.C. Reagan-National Airport flights typically cost between $432 and $686 in September.The cheapest round-trip price found within the last 5 days was $240 on Frontier (Sep 22-Sep 29).
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 July 24, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Boise to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Boise to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 locationsAlexandria
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge
Largo
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boise
Popular flights
Reagan-National flight routes
Alternative routes for Boise to Reagan-National
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Reagan-National by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Reagan-National by cabin class
Find flights from Boise to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Reagan-National flights
Browse other Boise and Reagan-National flight options. Last updated on July 24, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Reagan-National
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Top 5 airlines flying from Boise to Reagan-National
Discover the top 5 airlines that operate flights from Boise 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$262 | Average$478 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$432 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$352 | Average$566 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$390 | Average$617 | FlexibilityNo cancel fee | On-time63% |