$126+ Cheap flights from Boise (BOI) 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — IAD
Mar 22 — Mar 291
1 adult, Economy
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Find cheap flights from Boise to District of Columbia with Cheapflights
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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
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Cheapest flights from Boise to District of ColumbiaExplore the most affordable flight options available from Boise to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2026.
Explore the most affordable flight options available from Boise to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2026.
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:40 pm
BOI
- IAD
1 stop7h 30m
Delta
Tue 4/77:00 am
IAD
- BOI
1 stop8h 05m
Delta
Deal found 2/19![Delta logo]()
$251
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 4/251:29 pm
BOI
- DCA
1 stop8h 28m
American Airlines
Tue 4/287:05 am
DCA
- BOI
1 stop8h 37m
American Airlines
Deal found 2/19![American Airlines logo]()
$251
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:23 pm
BOI
- DCA
1 stop6h 20m
Delta
Tue 4/282:55 pm
DCA
- BOI
2 stops11h 22m
Delta
Deal found 2/19![Delta logo]()
$256
This Orbitz deal was found by Cheapflights users on 2/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:53 am
BOI
- DCA
1 stop8h 06m
Multiple Airlines
Wed 4/298:59 am
DCA
- BOI
1 stop14h 27m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$266
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:28 am
BOI
- IAD
1 stop8h 52m
Alaska Airlines
Sat 3/146:20 pm
IAD
- BOI
1 stop20h 20m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 2/18. 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.
Thu 4/231:52 pm
BOI
- IAD
1 stop8h 03m
Delta
Wed 4/297:00 am
IAD
- BOI
1 stop11h 14m
Delta
Deal found 2/18![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:40 am
BOI
- DCA
1 stop7h 47m
Delta
Wed 4/294:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Deal found 2/19![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/18. 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.
Wed 4/2211:35 pm
BOI
- DCA
1 stop7h 34m
Delta
Fri 5/14:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Deal found 2/18![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:40 pm
BOI
- IAD
2 stops12h 52m
Delta
Wed 5/67:00 am
IAD
- BOI
1 stop11h 14m
Delta
Deal found 2/17![Delta logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:15 pm
BOI
- IAD
1 stop9h 54m
Alaska Airlines
Tue 4/286:47 pm
IAD
- BOI
2 stops22h 46m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 2/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:29 pm
BOI
- DCA
1 stop8h 28m
American Airlines
Sat 5/166:00 am
DCA
- BOI
1 stop8h 49m
American Airlines
Deal found 2/17![American Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:24 pm
BOI
- IAD
1 stop9h 04m
Alaska Airlines
Tue 9/295:25 pm
IAD
- BOI
1 stop20h 23m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$311
Best flights from Boise to District of ColumbiaDiscover carefully curated flight deals from Boise to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2026.
Discover carefully curated flight deals from Boise to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2026.
This Delta deal was found by Cheapflights users on 2/18. 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.
Wed 4/152:18 pm
BOI
- IAD
1 stop8h 24m
Delta
Tue 4/2112:12 pm
IAD
- BOI
1 stop10h 17m
Delta
Deal found 2/18![Delta logo]()
$251
This American Airlines deal was found by Cheapflights users on 2/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:29 pm
BOI
- DCA
1 stop7h 31m
American Airlines
Tue 4/287:05 am
DCA
- BOI
1 stop8h 37m
American Airlines
Deal found 2/16![American Airlines logo]()
$251
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:28 am
BOI
- IAD
1 stop8h 52m
Alaska Airlines
Sat 3/146:20 pm
IAD
- BOI
1 stop20h 20m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 2/18. 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.
Wed 4/1511:35 pm
BOI
- DCA
1 stop7h 34m
Delta
Tue 4/216:00 am
DCA
- BOI
2 stops10h 26m
Delta
Deal found 2/18![Delta logo]()
$256
This Delta deal was found by Cheapflights users on 2/16. 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.
Sat 4/255:40 am
BOI
- DCA
1 stop7h 47m
Delta
Tue 4/282:55 pm
DCA
- BOI
2 stops11h 22m
Delta
Deal found 2/16![Delta logo]()
$256
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:35 am
BOI
- IAD
1 stop8h 03m
Alaska Airlines
Sat 5/237:37 pm
IAD
- BOI
1 stop20h 21m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:52 pm
BOI
- IAD
1 stop8h 03m
Delta
Fri 5/17:00 am
IAD
- BOI
1 stop11h 14m
Delta
Deal found 2/17![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/16. 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.
Thu 4/231:52 pm
BOI
- IAD
1 stop8h 03m
Delta
Wed 4/297:00 am
IAD
- BOI
1 stop8h 12m
Delta
Deal found 2/16![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/16. 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.
Thu 4/231:52 pm
BOI
- IAD
1 stop8h 03m
Delta
Mon 4/277:00 am
IAD
- BOI
1 stop8h 12m
Delta
Deal found 2/16![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:52 pm
BOI
- IAD
1 stop8h 03m
Delta
Mon 5/47:00 am
IAD
- BOI
1 stop11h 14m
Delta
Deal found 2/19![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/16. 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.
Wed 4/221:52 pm
BOI
- IAD
1 stop8h 03m
Delta
Fri 5/17:00 am
IAD
- BOI
1 stop11h 14m
Delta
Deal found 2/16![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:40 am
BOI
- DCA
1 stop7h 47m
Delta
Wed 4/294:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Deal found 2/17![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/18. 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.
Tue 4/215:40 am
BOI
- DCA
1 stop7h 47m
Delta
Fri 5/14:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Deal found 2/18![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:18 pm
BOI
- DCA
1 stop7h 23m
Delta
Fri 5/14:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Deal found 2/19![Delta logo]()
$287
Last-minute flights from Boise to District of ColumbiaDiscover last-minute flight deals from Boise to District of Columbia. Data last updated February 20, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to District of Columbia. Data last updated February 20, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 2/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:56 am
BOI
- DCA
1 stop23h 04m
Frontier
Sat 3/76:00 pm
DCA
- BOI
1 stop18h 20m
Frontier
Deal found 2/16![Frontier logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:28 am
BOI
- IAD
1 stop8h 52m
Alaska Airlines
Sat 3/146:20 pm
IAD
- BOI
1 stop20h 20m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:30 pm
BOI
- IAD
1 stop7h 40m
Delta
Sat 3/147:00 am
IAD
- BOI
1 stop8h 05m
Delta
Deal found 2/17![Delta logo]()
$315
This American Airlines deal was found by Cheapflights users on 2/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:33 pm
BOI
- DCA
1 stop10h 27m
American Airlines
Sat 3/143:59 pm
DCA
- BOI
1 stop8h 24m
American Airlines
Deal found 2/16![American Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 2/16. 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.
Tue 3/101:40 pm
BOI
- DCA
1 stop7h 59m
Delta
Sat 3/146:00 am
DCA
- BOI
2 stops12h 00m
Delta
Deal found 2/16![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:31 pm
BOI
- IAD
1 stop19h 51m
Alaska Airlines
Wed 3/257:11 pm
IAD
- BOI
1 stop17h 10m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 2/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:33 pm
BOI
- DCA
1 stop10h 27m
American Airlines
Tue 3/246:45 am
DCA
- BOI
1 stop8h 15m
American Airlines
Deal found 2/17![American Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 2/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:40 am
BOI
- DCA
1 stop8h 25m
Southwest
Tue 3/244:55 pm
DCA
- BOI
2 stops9h 35m
Southwest
Deal found 2/17![Southwest logo]()
$428
This Expedia deal was found by Cheapflights users on 2/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:00 am
BOI
- IAD
1 stop9h 11m
Alaska Airlines
Wed 3/257:11 pm
IAD
- BOI
1 stop17h 10m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:15 pm
BOI
- IAD
1 stop11h 25m
Alaska Airlines
Tue 3/317:11 pm
IAD
- BOI
1 stop17h 10m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$251
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:30 pm
BOI
- IAD
2 stops10h 02m
Delta
Tue 3/317:00 am
IAD
- BOI
1 stop8h 05m
Delta
Deal found 2/17![Delta logo]()
$320
This American Airlines deal was found by Cheapflights users on 2/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:33 pm
BOI
- IAD
2 stops12h 15m
American Airlines
Tue 3/3111:30 am
IAD
- BOI
2 stops14h 08m
American Airlines
Deal found 2/17![American Airlines logo]()
$360
One-way flights from Boise to District of ColumbiaSearch for one-way flight options from Boise to District of Columbia. Find affordable one-way fares based on user searches. Data last updated February 20, 2026.
Search for one-way flight options from Boise to District of Columbia. Find affordable one-way fares based on user searches. Data last updated February 20, 2026.
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:35 pm
BOI
- IAD
1 stop7h 40m
Delta
Deal found 2/19![Delta logo]()
$126
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:30 pm
BOI
- IAD
1 stop7h 40m
Delta
Deal found 2/19![Delta logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:56 am
BOI
- IAD
2 stops19h 38m
Frontier
Deal found 2/16![Frontier logo]()
$163
This American Airlines deal was found by Cheapflights users on 2/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:26 pm
BOI
- IAD
2 stops12h 23m
American Airlines
Deal found 2/16![American Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 7/1412:19 pm
BOI
- DCA
1 stop9h 39m
American Airlines
Deal found 2/19![American Airlines logo]()
$170
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:43 am
BOI
- IAD
2 stops14h 26m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:37 pm
BOI
- IAD
3 stops52h 54m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$181
This Delta deal was found by Cheapflights users on 2/18. 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.
Tue 7/1410:24 am
BOI
- DCA
2 stops10h 27m
Delta
Deal found 2/18![Delta logo]()
$195
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:05 pm
BOI
- IAD
1 stop10h 25m
United Airlines
Deal found 2/16![United Airlines logo]()
$196
This Trip.com deal was found by Cheapflights users on 2/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1212:15 pm
BOI
- DCA
1 stop7h 44m
Frontier
Deal found 2/18![Frontier logo]()
$201
This Southwest deal was found by Cheapflights users on 2/16. 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.
Wed 4/112:25 pm
BOI
- IAD
2 stops9h 15m
Southwest
Deal found 2/16![Southwest logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1212:15 pm
BOI
- IAD
2 stops34h 16m
Frontier
Deal found 2/18![Frontier logo]()
$222
Find flight deals from Boise to District of Columbia
Keep the following information in mind while searching for Boise to District of Columbia flight deals. Data was last updated February 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $251 (Delta) |
One-way from | $126 (Delta) |
Popular in | December |
Cheapest in | February |
Average price | $281 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 February 20, 2026.
Use the filters below to find and compare flights from Boise to District of Columbia that are best for you.
Fly from
Boise
Fly to
District of Columbia
Route
Depart
Return
Price
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Wed 4/15
2:18 pm-12:42 am
1 stop8h 24m
Washington, D.C. Dulles Intl
Tue 4/21
12:12 pm-8:29 pm
1 stop10h 17m
$251
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Sat 4/25
1:29 pm-11:00 pm
1 stop7h 31m
Washington, D.C. Reagan-National
Tue 4/28
7:05 am-1:42 pm
1 stop8h 37m
$251
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Wed 4/15
11:35 pm-9:09 am
1 stop7h 34m
Washington, D.C. Reagan-National
Tue 4/21
6:00 am-2:26 pm
2 stops10h 26m
$256
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Sat 4/25
5:40 am-3:27 pm
1 stop7h 47m
Washington, D.C. Reagan-National
Tue 4/28
2:55 pm-12:17 am
2 stops11h 22m
$256
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Tue 3/10
6:28 am-5:20 pm
1 stop8h 52m
Washington, D.C. Dulles Intl
Sat 3/14
6:20 pm-12:40 pm
1 stop20h 20m
$281
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Tue 4/21
1:52 pm-11:55 pm
1 stop8h 03m
Washington, D.C. Dulles Intl
Fri 5/1
7:00 am-4:14 pm
1 stop11h 14m
$283
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Thu 4/23
1:52 pm-11:55 pm
1 stop8h 03m
Washington, D.C. Dulles Intl
Wed 4/29
7:00 am-1:12 pm
1 stop8h 12m
$283
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Thu 4/23
1:52 pm-11:55 pm
1 stop8h 03m
Washington, D.C. Dulles Intl
Mon 4/27
7:00 am-1:12 pm
1 stop8h 12m
$283
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Thu 4/30
1:52 pm-11:55 pm
1 stop8h 03m
Washington, D.C. Dulles Intl
Mon 5/4
7:00 am-4:14 pm
1 stop11h 14m
$283
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Wed 4/22
1:52 pm-11:55 pm
1 stop8h 03m
Washington, D.C. Dulles Intl
Fri 5/1
7:00 am-4:14 pm
1 stop11h 14m
$283
Showing 1-10 of 25 results
Best time to book a flight from Boise to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Boise with our price prediction graph.
BOI-IAD
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 District of Columbia
BOI-USDC
BOI-IAD
BOI-DCA
What is the cheapest month to book a flight from Boise to District of Columbia?
Currently, April is the cheapest month in which you can book a flight from Boise to District of Columbia (average of $141). Flying from Boise to District of Columbia in December is currently the most expensive (average of $369). 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 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 February 20, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Boise to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
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Boise and District of Columbia flights
Browse other Boise and District of Columbia flight options. Last updated on February 20, 2026.
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Boise to District of Columbia flights
Consider these flights traveling from Boise to District of Columbia.
Top 5 airlines flying from Boise to District of Columbia
Discover the top 5 airlines that operate flights from Boise 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 February 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$427 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$224 | Average$433 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$520 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$484 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$340 | Average$472 | FlexibilityNo cancel fee | On-time63% |