$99+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BOI
Jul 11 — Jul 181
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 June 11, 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 June 11, 2026.
This American Airlines deal was found by Cheapflights users on 6/10. 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 9/156:30 am
DCA
- GEG
1 stop9h 49m
American Airlines
Tue 9/222:09 pm
GEG
- DCA
1 stop6h 50m
American Airlines
Deal found 6/10![American Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 6/10. 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 8/134:35 pm
DCA
- GEG
1 stop10h 24m
Delta
Wed 8/265:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$208
This Delta deal was found by Cheapflights users on 6/10. 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 8/294:35 pm
DCA
- GEG
1 stop8h 00m
Delta
Sat 9/55:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$219
This Delta deal was found by Cheapflights users on 6/10. 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 8/154:35 pm
DCA
- GEG
1 stop8h 00m
Delta
Tue 8/255:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$224
This Delta deal was found by Cheapflights users on 6/10. 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 8/134:35 pm
DCA
- GEG
1 stop10h 24m
Delta
Sat 8/225:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$235
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 8/164:35 pm
DCA
- GEG
1 stop10h 24m
Delta
Tue 8/255:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$236
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 8/164:35 pm
DCA
- GEG
1 stop10h 24m
Delta
Mon 8/2410:56 pm
GEG
- DCA
1 stop7h 14m
Delta
Deal found 6/10![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 6/10. 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 8/154:35 pm
DCA
- GEG
1 stop8h 00m
Delta
Sat 8/225:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$251
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 8/164:35 pm
DCA
- GEG
1 stop10h 24m
Delta
Sat 8/225:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$263
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am
DCA
- BOI
1 stop10h 01m
American Airlines
Tue 9/223:21 pm
BOI
- DCA
1 stop6h 38m
American Airlines
Deal found 6/9![American Airlines logo]()
$265
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:30 am
DCA
- BOI
1 stop10h 01m
American Airlines
Mon 9/143:21 pm
BOI
- DCA
1 stop6h 38m
American Airlines
Deal found 6/9![American Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:40 pm
DCA
- GEG
1 stop8h 25m
Southwest
Mon 9/2810:55 am
GEG
- DCA
2 stops10h 00m
Southwest
Deal found 6/9![Southwest logo]()
$272
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 June 11, 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 June 11, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 9/124:40 pm
DCA
- GEG
1 stop10h 04m
Delta
Mon 9/2112:38 pm
GEG
- DCA
1 stop8h 05m
Delta
Deal found 6/10![Delta logo]()
$219
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 9/121:00 pm
DCA
- GEG
2 stops11h 25m
Southwest
Mon 9/216:00 am
GEG
- DCA
1 stop7h 50m
Southwest
Deal found 6/10![Southwest logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 9/110:59 am
DCA
- BOI
1 stop11h 21m
Alaska Airlines
Wed 9/26:00 am
BOI
- DCA
1 stop8h 00m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/2712:40 pm
DCA
- GEG
2 stops13h 58m
United Airlines
Wed 10/285:00 am
GEG
- DCA
1 stop6h 56m
United Airlines
Deal found 6/10![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 6/10. 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 8/174:35 pm
DCA
- GEG
1 stop10h 24m
Delta
Sat 8/225:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$235
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 8/164:35 pm
DCA
- GEG
1 stop10h 24m
Delta
Wed 8/265:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$236
This Delta deal was found by Cheapflights users on 6/7. 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.
Sat 8/294:35 pm
DCA
- GEG
1 stop8h 00m
Delta
Sat 9/52:05 pm
GEG
- DCA
1 stop6h 45m
Delta
Deal found 6/7![Delta logo]()
$275
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/297:40 am
DCA
- JAC
1 stop6h 32m
American Airlines
Sat 7/43:39 pm
JAC
- DCA
2 stops13h 20m
American Airlines
Deal found 6/10![American Airlines logo]()
$696
This Southwest deal was found by Cheapflights users on 6/8. 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.
Thu 8/134:55 pm
DCA
- BOI
2 stops9h 00m
Southwest
Mon 8/176:00 am
BOI
- DCA
1 stop8h 40m
Southwest
Deal found 6/8![Southwest logo]()
$358
This Delta deal was found by Cheapflights users on 6/7. 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.
Tue 9/296:05 am
DCA
- GEG
1 stop9h 48m
Delta
Tue 10/62:05 pm
GEG
- DCA
1 stop6h 24m
Delta
Deal found 6/7![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:04 pm
DCA
- JAC
1 stop7h 47m
United Airlines
Tue 9/17:15 am
JAC
- DCA
1 stop7h 54m
United Airlines
Deal found 6/7![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 6/7. 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 9/146:59 pm
DCA
- GEG
1 stop7h 05m
Delta
Mon 9/2112:38 pm
GEG
- DCA
1 stop8h 05m
Delta
Deal found 6/7![Delta logo]()
$275
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:00 pm
DCA
- GEG
2 stops10h 20m
Southwest
Tue 7/145:00 am
GEG
- DCA
1 stop9h 00m
Southwest
Deal found 6/9![Southwest logo]()
$375
This Delta deal was found by Cheapflights users on 6/7. 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 8/134:35 pm
DCA
- BOI
1 stop9h 18m
Delta
Mon 8/172:53 pm
BOI
- DCA
1 stop6h 57m
Delta
Deal found 6/7![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/6. 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.
Tue 9/151:00 pm
DCA
- GEG
2 stops12h 05m
Southwest
Tue 9/227:00 am
GEG
- DCA
2 stops10h 55m
Southwest
Deal found 6/6![Southwest logo]()
$393
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 9/19:30 am
DCA
- BOI
2 stops14h 07m
United Airlines
Wed 9/212:24 pm
BOI
- DCA
1 stop6h 45m
United Airlines
Deal found 6/8![United Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 7/145:22 pm
DCA
- SUN
2 stops18h 16m
Alaska Airlines
Mon 7/207:43 pm
SUN
- DCA
2 stops13h 16m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$515
This Southwest deal was found by Cheapflights users on 6/10. 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 7/34:55 pm
DCA
- BOI
2 stops8h 00m
Southwest
Tue 7/146:00 am
BOI
- DCA
1 stop9h 00m
Southwest
Deal found 6/10![Southwest logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 8/115:16 pm
DCA
- IDA
1 stop21h 50m
Alaska Airlines
Mon 8/174:14 pm
IDA
- DCA
1 stop21h 46m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 6/6. 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 7/306:59 pm
DCA
- BOI
1 stop6h 47m
Delta
Sun 8/211:10 pm
BOI
- DCA
1 stop8h 00m
Delta
Deal found 6/6![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Sat 8/294:20 pm
DCA
- JAC
1 stop6h 20m
United Airlines
Mon 8/317:15 am
JAC
- DCA
1 stop8h 54m
United Airlines
Deal found 6/6![United Airlines logo]()
$490
This Southwest deal was found by Cheapflights users on 6/10. 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 8/204:55 pm
DCA
- BOI
2 stops9h 00m
Southwest
Mon 8/248:05 am
BOI
- DCA
2 stops9h 45m
Southwest
Deal found 6/10![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 6/6. 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.
Sun 8/25:45 pm
DCA
- BOI
1 stop8h 28m
Delta
Tue 8/112:02 pm
BOI
- DCA
1 stop7h 46m
Delta
Deal found 6/6![Delta logo]()
$366
This Expedia deal was found by Cheapflights users on 6/10. 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 8/255:20 pm
DCA
- JAC
1 stop22h 10m
Alaska Airlines
Sat 8/293:10 pm
JAC
- DCA
2 stops22h 50m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$631
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:20 pm
DCA
- BOI
2 stops9h 55m
Southwest
Fri 7/315:25 am
BOI
- DCA
2 stops8h 20m
Southwest
Deal found 6/9![Southwest logo]()
$485
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 8/174:20 pm
DCA
- SUN
1 stop6h 52m
United Airlines
Fri 8/217:50 am
SUN
- DCA
1 stop8h 19m
United Airlines
Deal found 6/6![United Airlines logo]()
$630
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 7/145:22 pm
DCA
- SUN
2 stops18h 16m
Alaska Airlines
Sun 7/197:43 pm
SUN
- DCA
2 stops13h 16m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$640
This Delta deal was found by Cheapflights users on 6/10. 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 7/295:45 pm
DCA
- GEG
1 stop9h 10m
Delta
Mon 8/310:56 pm
GEG
- DCA
1 stop9h 31m
Delta
Deal found 6/10![Delta logo]()
$408
This Southwest deal was found by Cheapflights users on 6/6. 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.
Sat 8/81:00 pm
DCA
- BOI
2 stops11h 00m
Southwest
Sat 8/158:30 am
BOI
- DCA
2 stops10h 20m
Southwest
Deal found 6/6![Southwest logo]()
$494
This Expedia deal was found by Cheapflights users on 6/10. 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.
Fri 8/78:59 am
DCA
- JAC
1 stop32h 08m
Alaska Airlines
Tue 8/1112:00 pm
JAC
- DCA
1 stop26h 16m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$650
Last-minute flights from Reagan-National to IdahoDiscover last-minute flight deals from Reagan-National to Idaho. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to Idaho. Data last updated June 11, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:00 am
DCA
- BOI
1 stop7h 30m
Frontier
Thu 6/181:25 pm
BOI
- DCA
1 stop21h 32m
Frontier
Deal found 6/6![Frontier logo]()
$325
This Delta deal was found by Cheapflights users on 6/9. 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.
Mon 6/225:50 pm
DCA
- GEG
1 stop9h 09m
Delta
Tue 6/235:30 am
GEG
- DCA
1 stop6h 56m
Delta
Deal found 6/9![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 6/7. 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.
Tue 6/236:00 am
DCA
- BOI
1 stop8h 54m
Delta
Mon 6/2911:45 pm
BOI
- DCA
1 stop7h 30m
Delta
Deal found 6/7![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 7/35:50 pm
DCA
- GEG
1 stop9h 09m
Delta
Sun 7/55:30 am
GEG
- DCA
1 stop6h 56m
Delta
Deal found 6/6![Delta logo]()
$280
This Delta deal was found by Cheapflights users on 6/10. 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 7/35:50 pm
DCA
- BOI
1 stop8h 19m
Delta
Tue 7/142:50 pm
BOI
- DCA
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 6/10. 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 7/35:50 pm
DCA
- GEG
1 stop9h 09m
Delta
Tue 7/145:25 am
GEG
- DCA
1 stop6h 56m
Delta
Deal found 6/10![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/35:11 pm
DCA
- BOI
1 stop8h 10m
American Airlines
Tue 7/143:10 pm
BOI
- DCA
1 stop6h 49m
American Airlines
Deal found 6/10![American Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:00 am
DCA
- BOI
2 stops11h 20m
Southwest
Tue 7/146:00 am
BOI
- DCA
1 stop9h 00m
Southwest
Deal found 6/7![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 6/7. 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.
Tue 7/76:59 pm
DCA
- BOI
1 stop6h 47m
Delta
Tue 7/1411:10 pm
BOI
- DCA
1 stop8h 06m
Delta
Deal found 6/7![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 7/96:59 pm
DCA
- BOI
1 stop6h 47m
Delta
Sun 7/1211:10 pm
BOI
- DCA
1 stop8h 06m
Delta
Deal found 6/8![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 6/10. 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 7/134:35 pm
DCA
- GEG
1 stop10h 20m
Delta
Sat 7/185:25 am
GEG
- DCA
1 stop6h 56m
Delta
Deal found 6/10![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 7/316:59 pm
DCA
- GEG
1 stop7h 07m
Delta
Sat 8/85:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 6/6![Delta logo]()
$285
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 June 11, 2026.
Search for one-way flight options from Reagan-National to Idaho. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Delta deal was found by Cheapflights users on 6/10. 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 8/124:35 pm
DCA
- GEG
1 stop10h 24m
Delta
Deal found 6/10![Delta logo]()
$99
This Delta deal was found by Cheapflights users on 6/10. 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 8/134:35 pm
DCA
- GEG
1 stop10h 24m
Delta
Deal found 6/10![Delta logo]()
$110
This Priceline deal was found by Cheapflights users on 6/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/287:00 am
DCA
- BOI
1 stop7h 30m
Frontier
Deal found 6/7![Frontier logo]()
$121
This Delta deal was found by Cheapflights users on 6/10. 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 8/154:35 pm
DCA
- GEG
1 stop8h 00m
Delta
Deal found 6/10![Delta logo]()
$126
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 6/284:36 pm
DCA
- GEG
1 stop10h 19m
Delta
Deal found 6/10![Delta logo]()
$138
This Delta deal was found by Cheapflights users on 6/6. 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 9/87:40 am
DCA
- GEG
1 stop8h 27m
Delta
Deal found 6/6![Delta logo]()
$143
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:00 am
DCA
- BOI
1 stop11h 45m
Southwest
Deal found 6/9![Southwest logo]()
$152
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 8/221:00 pm
DCA
- GEG
2 stops11h 25m
Southwest
Deal found 6/10![Southwest logo]()
$161
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sat 8/156:05 am
DCA
- GEG
2 stops15h 15m
Southwest
Deal found 6/10![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 6/7. 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.
Tue 7/74:45 pm
DCA
- BOI
1 stop8h 13m
Delta
Deal found 6/7![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 6/6. 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.
Sat 8/16:55 am
DCA
- GEG
1 stop9h 50m
Southwest
Deal found 6/6![Southwest logo]()
$169
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:59 pm
DCA
- GEG
1 stop7h 10m
Delta
Deal found 6/10![Delta logo]()
$170
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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (American Airlines) |
One-way from | $99 (Delta) |
Popular in | December |
Cheapest in | May |
Average price | $379 |
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 June 11, 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.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Sat 9/12
4:40 pm-11:44 pm
1 stop10h 04m
Spokane
Mon 9/21
12:38 pm-11:43 pm
1 stop8h 05m
$219
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Mon 8/17
4:35 pm-11:59 pm
1 stop10h 24m
Spokane
Sat 8/22
5:15 am-3:21 pm
1 stop7h 06m
$235
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Sun 8/16
4:35 pm-11:59 pm
1 stop10h 24m
Spokane
Wed 8/26
5:15 am-3:21 pm
1 stop7h 06m
$236
Quickest round-trip
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Sat 8/29
4:35 pm-9:35 pm
1 stop8h 00m
Spokane
Sat 9/5
2:05 pm-11:50 pm
1 stop6h 45m
$275
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Tue 9/29
6:05 am-12:53 pm
1 stop9h 48m
Spokane
Tue 10/6
2:05 pm-11:29 pm
1 stop6h 24m
$275
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Mon 9/14
6:59 pm-11:04 pm
1 stop7h 05m
Spokane
Mon 9/21
12:38 pm-11:43 pm
1 stop8h 05m
$275
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Thu 8/13
4:35 pm-11:53 pm
1 stop9h 18m
Boise Air Term. Gowen Fld
Mon 8/17
2:53 pm-11:50 pm
1 stop6h 57m
$293
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Sat 9/12
1:00 pm-9:25 pm
2 stops11h 25m
Spokane
Mon 9/21
6:00 am-4:50 pm
1 stop7h 50m
$294
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Thu 7/30
6:59 pm-11:46 pm
1 stop6h 47m
Boise Air Term. Gowen Fld
Sun 8/2
11:10 pm-9:10 am
1 stop8h 00m
$327
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Tue 9/1
10:59 am-8:20 pm
1 stop11h 21m
Boise Air Term. Gowen Fld
Wed 9/2
6:00 am-4:00 pm
1 stop8h 00m
$336
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-GEG
DCA-BOI
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-GEG
DCA-BOI
DCA-JAC
DCA-SUN
How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Idaho?
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 June 11, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Idaho, such as Alaska Airlines,Southwest, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
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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 June 11, 2026.
Popular flight searches
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 5 airlines flying from Reagan-National to Idaho
Discover the top 5 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$331 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$221 | Average$584 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$454 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$262 | Average$574 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$388 | Average$458 | FlexibilityNo cancel fee | On-time75% |