$106+ Cheap flights from Reagan-National (DCA) to Idaho
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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BOI
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Cheapest flights from Reagan-National to IdahoExplore the most affordable flight options available from Reagan-National to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from Reagan-National to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This Frontier deal was found by Cheapflights users on 3/9. 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.
Sat 4/186:00 pm
DCA
- GEG
1 stop19h 49m
Frontier
Sun 4/2611:44 am
GEG
- DCA
1 stop22h 16m
Frontier
Deal found 3/9![Frontier logo]()
$201
This Delta deal was found by Cheapflights users on 3/7. 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 4/84:40 pm
DCA
- BOI
1 stop9h 06m
Delta
Wed 4/155:40 am
BOI
- DCA
1 stop7h 47m
Delta
Deal found 3/7![Delta logo]()
$227
This Delta deal was found by Cheapflights users on 3/7. 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.
Mon 4/64:40 pm
DCA
- GEG
1 stop10h 23m
Delta
Mon 4/137:38 pm
GEG
- DCA
2 stops12h 26m
Delta
Deal found 3/7![Delta logo]()
$232
This Delta deal was found by Cheapflights users on 3/6. 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 4/254:39 pm
DCA
- BOI
1 stop19h 22m
Delta
Tue 4/285:40 am
BOI
- DCA
1 stop7h 47m
Delta
Deal found 3/6![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 3/6. 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 4/257:40 am
DCA
- BOI
1 stop8h 46m
Delta
Sat 5/25:40 am
BOI
- DCA
1 stop7h 47m
Delta
Deal found 3/6![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 3/6. 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 4/285:10 pm
DCA
- BOI
1 stop6h 46m
Delta
Wed 4/295:40 am
BOI
- DCA
1 stop7h 47m
Delta
Deal found 3/6![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 3/6. 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 4/257:40 am
DCA
- BOI
1 stop8h 46m
Delta
Fri 5/18:40 pm
BOI
- DCA
2 stops9h 57m
Delta
Deal found 3/6![Delta logo]()
$274
This Delta deal was found by Cheapflights users on 3/6. 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 4/256:00 am
DCA
- BOI
2 stops10h 26m
Delta
Mon 4/278:40 pm
BOI
- DCA
2 stops9h 57m
Delta
Deal found 3/6![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 3/6. 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 4/2812:00 pm
DCA
- BOI
2 stops11h 24m
Delta
Sat 5/25:34 am
BOI
- DCA
2 stops11h 23m
Delta
Deal found 3/6![Delta logo]()
$280
This Delta deal was found by Cheapflights users on 3/6. 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 4/284:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Thu 4/308:40 pm
BOI
- DCA
1 stop16h 47m
Delta
Deal found 3/6![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 3/6. 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 4/2512:30 pm
DCA
- BOI
2 stops11h 54m
Delta
Wed 4/295:40 am
BOI
- DCA
1 stop7h 47m
Delta
Deal found 3/6![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 3/6. 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 5/74:40 pm
DCA
- GEG
1 stop10h 19m
Delta
Mon 5/115:37 pm
GEG
- DCA
2 stops12h 00m
Delta
Deal found 3/6![Delta logo]()
$306
Best flights from Reagan-National to IdahoDiscover carefully curated flight deals from Reagan-National to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Reagan-National to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Delta deal was found by Cheapflights users on 3/6. 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 4/156:00 am
DCA
- BOI
2 stops10h 26m
Delta
Sat 4/185:40 am
BOI
- DCA
1 stop7h 47m
Delta
Deal found 3/6![Delta logo]()
$274
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 8/255:08 pm
DCA
- GEG
1 stop9h 02m
Alaska Airlines
Tue 9/156:05 am
GEG
- DCA
1 stop10h 55m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/186:00 am
DCA
- JAC
2 stops11h 24m
United Airlines
Sat 4/257:00 am
JAC
- DCA
1 stop5h 59m
United Airlines
Deal found 3/5![United Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 3/6. 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 4/135:15 pm
DCA
- BOI
2 stops9h 30m
Southwest
Wed 4/158:00 am
BOI
- DCA
2 stops8h 40m
Southwest
Deal found 3/6![Southwest logo]()
$401
This American Airlines deal was found by Cheapflights users on 3/5. 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 3/206:00 am
DCA
- SUN
1 stop8h 54m
American Airlines
Wed 3/257:40 am
SUN
- DCA
2 stops12h 20m
American Airlines
Deal found 3/5![American Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 3/7. 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.
Mon 4/64:40 pm
DCA
- BOI
1 stop9h 06m
Delta
Mon 4/133:23 pm
BOI
- DCA
1 stop6h 20m
Delta
Deal found 3/7![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 3/9. 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 8/255:15 pm
DCA
- GEG
2 stops9h 29m
Delta
Tue 9/155:20 am
GEG
- DCA
1 stop7h 20m
Delta
Deal found 3/9![Delta logo]()
$336
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 5/29:59 am
DCA
- GEG
1 stop10h 33m
Alaska Airlines
Tue 5/55:00 am
GEG
- DCA
1 stop13h 59m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 3/6. 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 8/263:05 pm
DCA
- GEG
2 stops10h 59m
Delta
Tue 9/227:21 pm
GEG
- DCA
2 stops10h 16m
Delta
Deal found 3/6![Delta logo]()
$341
This Southwest deal was found by Cheapflights users on 3/6. 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.
Sun 4/266:10 am
DCA
- BOI
2 stops9h 25m
Southwest
Wed 4/296:00 am
BOI
- DCA
1 stop8h 40m
Southwest
Deal found 3/6![Southwest logo]()
$431
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Tue 5/261:00 pm
DCA
- JAC
1 stop10h 00m
United Airlines
Tue 6/27:00 am
JAC
- DCA
1 stop6h 23m
United Airlines
Deal found 3/6![United Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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.
Thu 6/48:59 am
DCA
- GEG
1 stop15h 46m
Alaska Airlines
Mon 6/84:09 pm
GEG
- DCA
1 stop24h 57m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 3/6. 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 4/287:59 am
DCA
- BOI
1 stop7h 08m
Delta
Tue 4/2811:35 pm
BOI
- DCA
1 stop7h 34m
Delta
Deal found 3/6![Delta logo]()
$345
This Southwest deal was found by Cheapflights users on 3/5. 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 4/108:00 am
DCA
- BOI
2 stops11h 00m
Southwest
Mon 4/1312:05 pm
BOI
- DCA
2 stops8h 35m
Southwest
Deal found 3/5![Southwest logo]()
$437
This United Airlines deal was found by Cheapflights users on 3/5. 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 3/236:30 am
DCA
- SUN
1 stop7h 23m
United Airlines
Fri 3/2712:34 pm
SUN
- DCA
1 stop9h 25m
United Airlines
Deal found 3/5![United Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Fri 5/299:59 am
DCA
- GEG
1 stop15h 53m
Alaska Airlines
Mon 6/14:09 pm
GEG
- DCA
1 stop24h 57m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 3/7. 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 3/276:00 am
DCA
- SUN
1 stop8h 54m
American Airlines
Fri 4/31:26 pm
SUN
- DCA
1 stop8h 24m
American Airlines
Deal found 3/7![American Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 3/9. 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 4/84:40 pm
DCA
- BOI
1 stop9h 06m
Delta
Fri 4/1011:40 pm
BOI
- DCA
1 stop7h 30m
Delta
Deal found 3/9![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 3/218:00 am
DCA
- SUN
1 stop13h 12m
Alaska Airlines
Mon 3/3012:00 pm
SUN
- DCA
1 stop7h 59m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 6/32:00 pm
DCA
- JAC
1 stop6h 42m
United Airlines
Tue 6/97:30 am
JAC
- DCA
1 stop8h 42m
United Airlines
Deal found 3/8![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 3/7. 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 8/277:40 am
DCA
- GEG
1 stop8h 27m
Delta
Sat 9/195:20 am
GEG
- DCA
1 stop7h 20m
Delta
Deal found 3/7![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 3/7. 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 7/227:43 am
DCA
- IDA
1 stop7h 30m
American Airlines
Mon 7/2712:41 pm
IDA
- DCA
1 stop9h 12m
American Airlines
Deal found 3/7![American Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 3/8. 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 3/236:30 am
DCA
- SUN
1 stop7h 23m
United Airlines
Thu 3/2612:34 pm
SUN
- DCA
1 stop9h 25m
United Airlines
Deal found 3/8![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 3/7. 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.
Mon 8/247:00 am
DCA
- GEG
1 stop7h 24m
Delta
Sat 9/195:20 am
GEG
- DCA
1 stop7h 20m
Delta
Deal found 3/7![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 4/149:59 am
DCA
- BOI
2 stops13h 41m
Alaska Airlines
Wed 4/159:55 am
BOI
- DCA
1 stop10h 04m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 3/6. 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 8/264:40 pm
DCA
- GEG
1 stop9h 08m
Delta
Sun 9/205:20 am
GEG
- DCA
1 stop7h 20m
Delta
Deal found 3/6![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 3/5. 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 3/2810:25 am
DCA
- JAC
1 stop9h 27m
United Airlines
Thu 4/212:20 pm
JAC
- DCA
1 stop8h 28m
United Airlines
Deal found 3/5![United Airlines logo]()
$547
This Delta deal was found by Cheapflights users on 3/8. 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 5/294:40 pm
DCA
- GEG
1 stop9h 11m
Delta
Mon 6/15:35 am
GEG
- DCA
2 stops10h 24m
Delta
Deal found 3/8![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sun 6/2811:57 am
DCA
- JAC
1 stop8h 45m
United Airlines
Fri 7/37:30 am
JAC
- DCA
1 stop8h 42m
United Airlines
Deal found 3/6![United Airlines logo]()
$551
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/14:59 pm
DCA
- IDA
1 stop8h 25m
American Airlines
Thu 4/22:18 pm
IDA
- DCA
1 stop16h 41m
American Airlines
Deal found 3/5![American Airlines logo]()
$787
Last-minute flights from Reagan-National to IdahoDiscover last-minute flight deals from Reagan-National to Idaho. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to Idaho. Data last updated March 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Sun 3/296:00 am
DCA
- SUN
1 stop8h 59m
American Airlines
Fri 4/31:26 pm
SUN
- DCA
1 stop7h 34m
American Airlines
Deal found 3/6![American Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 3/7. 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.
Mon 4/64:40 pm
DCA
- GEG
1 stop10h 23m
Delta
Mon 4/137:38 pm
GEG
- DCA
2 stops12h 26m
Delta
Deal found 3/7![Delta logo]()
$232
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/76:00 am
DCA
- JAC
1 stop8h 41m
American Airlines
Tue 4/141:25 pm
JAC
- DCA
1 stop8h 34m
American Airlines
Deal found 3/6![American Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 3/7. 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 4/84:40 pm
DCA
- BOI
1 stop9h 06m
Delta
Wed 4/155:40 am
BOI
- DCA
1 stop7h 47m
Delta
Deal found 3/7![Delta logo]()
$227
This Frontier deal was found by Cheapflights users on 3/9. 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.
Sat 4/186:00 pm
DCA
- GEG
1 stop19h 49m
Frontier
Sun 4/2611:44 am
GEG
- DCA
1 stop22h 16m
Frontier
Deal found 3/9![Frontier logo]()
$201
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Fri 4/241:00 pm
DCA
- GEG
1 stop8h 51m
United Airlines
Tue 4/287:10 am
GEG
- DCA
1 stop9h 03m
United Airlines
Deal found 3/6![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 3/6. 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 4/254:39 pm
DCA
- BOI
1 stop19h 22m
Delta
Tue 4/285:40 am
BOI
- DCA
1 stop7h 47m
Delta
Deal found 3/6![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 3/6. 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 4/257:40 am
DCA
- BOI
1 stop8h 46m
Delta
Sat 5/25:40 am
BOI
- DCA
1 stop7h 47m
Delta
Deal found 3/6![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 3/6. 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 4/257:40 am
DCA
- BOI
1 stop8h 46m
Delta
Fri 5/18:40 pm
BOI
- DCA
2 stops9h 57m
Delta
Deal found 3/6![Delta logo]()
$274
This Delta deal was found by Cheapflights users on 3/6. 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 4/256:00 am
DCA
- BOI
2 stops10h 26m
Delta
Mon 4/278:40 pm
BOI
- DCA
2 stops9h 57m
Delta
Deal found 3/6![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 3/6. 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 4/2812:00 pm
DCA
- BOI
2 stops11h 24m
Delta
Sat 5/25:34 am
BOI
- DCA
2 stops11h 23m
Delta
Deal found 3/6![Delta logo]()
$280
This Delta deal was found by Cheapflights users on 3/6. 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 4/284:39 pm
DCA
- BOI
1 stop9h 38m
Delta
Thu 4/308:40 pm
BOI
- DCA
1 stop16h 47m
Delta
Deal found 3/6![Delta logo]()
$289
One-way flights from Reagan-National to IdahoSearch for one-way flight options from Reagan-National to Idaho. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Reagan-National to Idaho. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Frontier deal was found by Cheapflights users on 3/8. 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.
Wed 4/156:00 pm
DCA
- GEG
1 stop19h 49m
Frontier
Deal found 3/8![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Wed 4/156:00 pm
DCA
- BOI
1 stop19h 08m
Frontier
Deal found 3/6![Frontier logo]()
$111
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/155:55 am
DCA
- GEG
1 stop9h 37m
American Airlines
Deal found 3/7![American Airlines logo]()
$136
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/216:00 am
DCA
- BOI
1 stop8h 49m
American Airlines
Deal found 3/5![American Airlines logo]()
$136
This Southwest deal was found by Cheapflights users on 3/8. 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 4/154:50 pm
DCA
- GEG
2 stops9h 35m
Southwest
Deal found 3/8![Southwest logo]()
$141
This Delta deal was found by Cheapflights users on 3/6. 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 4/156:00 am
DCA
- BOI
2 stops10h 26m
Delta
Deal found 3/6![Delta logo]()
$141
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/44:11 pm
DCA
- BOI
1 stop7h 23m
United Airlines
Deal found 3/5![United Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 4/66:45 am
DCA
- SUN
1 stop8h 09m
American Airlines
Deal found 3/6![American Airlines logo]()
$165
This Delta deal was found by Cheapflights users on 3/9. 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 6/104:40 pm
DCA
- GEG
1 stop10h 04m
Delta
Deal found 3/9![Delta logo]()
$166
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Wed 7/86:30 am
DCA
- BOI
1 stop7h 02m
United Airlines
Deal found 3/6![United Airlines logo]()
$166
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/411:36 am
DCA
- SUN
2 stops12h 00m
American Airlines
Deal found 3/8![American Airlines logo]()
$170
This Delta deal was found by Cheapflights users on 3/8. 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 5/303:59 pm
DCA
- GEG
2 stops11h 00m
Delta
Deal found 3/8![Delta logo]()
$171
Find flight deals from Reagan-National to Idaho
Keep the following information in mind while searching for Reagan-National to Idaho flight deals. Data was last updated March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $201 (Frontier) |
One-way from | $106 (Frontier) |
Popular in | December |
Cheapest in | April |
Average price | $527 |
Cheapflights Fare Finder
Customize your flight search to find flights from Reagan-National to Idaho 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 March 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Wed 4/15
6:00 am-2:26 pm
2 stops10h 26m
Boise Air Term. Gowen Fld
Sat 4/18
5:40 am-3:27 pm
1 stop7h 47m
$274
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Mon 4/6
4:40 pm-11:46 pm
1 stop9h 06m
Boise Air Term. Gowen Fld
Mon 4/13
3:23 pm-11:43 pm
1 stop6h 20m
$312
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Tue 8/25
5:08 pm-11:10 pm
1 stop9h 02m
Spokane
Tue 9/15
6:05 am-8:00 pm
1 stop10h 55m
$331
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Tue 8/25
5:15 pm-11:44 pm
2 stops9h 29m
Spokane
Tue 9/15
5:20 am-3:40 pm
1 stop7h 20m
$336
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Wed 8/26
3:05 pm-11:04 pm
2 stops10h 59m
Spokane
Tue 9/22
7:21 pm-8:37 am
2 stops10h 16m
$341
Quickest round-trip
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Tue 4/28
7:59 am-1:07 pm
1 stop7h 08m
Boise Air Term. Gowen Fld
Tue 4/28
11:35 pm-9:09 am
1 stop7h 34m
$345
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Wed 4/8
4:40 pm-11:46 pm
1 stop9h 06m
Boise Air Term. Gowen Fld
Fri 4/10
11:40 pm-9:10 am
1 stop7h 30m
$359
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Thu 8/27
7:40 am-1:07 pm
1 stop8h 27m
Spokane
Sat 9/19
5:20 am-3:40 pm
1 stop7h 20m
$369
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Mon 8/24
7:00 am-11:24 am
1 stop7h 24m
Spokane
Sat 9/19
5:20 am-3:40 pm
1 stop7h 20m
$369
Washington, D.C.Jackson
DCA - JAC
DCAJAC
Washington, D.C. Reagan-National
Sat 4/18
6:00 am-3:24 pm
2 stops11h 24m
Jackson Hole
Sat 4/25
7:00 am-2:59 pm
1 stop5h 59m
$374
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Reagan-National to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Reagan-National with our price prediction graph.
DCA-BOI
DCA-GEG
DCA-JAC
DCA-SUN
DCA-IDA
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 Washington, D.C. Reagan-National Airport to Idaho
DCA-USID
DCA-BOI
DCA-GEG
DCA-JAC
DCA-SUN
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated March 10, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Idaho, such as Alaska Airlines,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Reagan-National to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Reagan-National to Idaho
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Complete your trip
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Reagan-National and Idaho flights
Browse other Reagan-National and Idaho flight options. Last updated on March 10, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Reagan-National to Idaho flights
Consider these flights traveling from Reagan-National to Idaho.
Top 4 airlines flying from Reagan-National to Idaho
Discover the top 4 airlines that operate flights from Reagan-National to Idaho. 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$306 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$221 | Average$584 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$517 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$388 | Average$458 | FlexibilityNo cancel fee | On-time75% |