$95+ Cheap flights from Washington, D.C. (WAS) to Boise (BOI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOI
Nov 7 — Nov 141
Round-trip
1 adult, Economy
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Cheapest flights from Washington, D.C. to BoiseExplore the most affordable flight options available from Washington, D.C. to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
Explore the most affordable flight options available from Washington, D.C. to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
This Delta deal was found by Cheapflights users on 10/8. 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 10/318:13 am -
1 stop7h 21m
Sat 11/711:32 am -
1 stop6h 37m
Deal found 10/8![Delta logo]()
$213
This Delta deal was found by Cheapflights users on 10/7. 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 10/317:21 am -
1 stop8h 13m
Sat 11/71:40 pm -
1 stop9h 10m
Deal found 10/7![Delta logo]()
$213
This American Airlines deal was found by Cheapflights users on 10/6. 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 10/278:41 am -
1 stop7h 52m
Wed 10/282:41 pm -
1 stop7h 18m
Deal found 10/6![American Airlines logo]()
$213
This Southwest deal was found by Cheapflights users on 10/5. 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.
Sat 10/3111:00 am -
2 stops10h 05m
Sat 11/711:30 am -
1 stop9h 30m
Deal found 10/5![Southwest logo]()
$219
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
1 stop9h 55m
Mon 10/192:50 pm -
1 stop13h 30m
Deal found 10/5![Frontier logo]()
$221
This Southwest deal was found by Cheapflights users on 10/6. 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 10/276:20 am -
1 stop8h 55m
Wed 10/286:15 am -
2 stops9h 15m
Deal found 10/6![Southwest logo]()
$236
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Mon 11/94:15 pm -
1 stop9h 18m
Wed 11/112:51 pm -
1 stop6h 24m
Deal found 10/7![United Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 10/5. 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.
Tue 10/274:50 pm -
2 stops9h 05m
Wed 10/286:15 am -
1 stop8h 30m
Deal found 10/5![Southwest logo]()
$254
This Delta deal was found by Cheapflights users on 10/7. 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 11/97:25 pm -
1 stop6h 34m
Wed 11/116:45 pm -
1 stop9h 15m
Deal found 10/7![Delta logo]()
$266
This Delta deal was found by Cheapflights users on 10/6. 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 11/197:00 am -
1 stop11h 05m
Mon 11/2312:13 pm -
1 stop10h 07m
Deal found 10/6![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:08 am -
1 stop8h 31m
Mon 11/2311:10 pm -
1 stop8h 07m
Deal found 10/5![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:05 am -
1 stop8h 28m
Mon 11/2311:10 pm -
1 stop8h 04m
Deal found 10/5![Delta logo]()
$268
Best flights from Washington, D.C. to BoiseDiscover carefully curated flight deals from Washington, D.C. to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
Discover carefully curated flight deals from Washington, D.C. to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
This Delta deal was found by Cheapflights users on 10/6. 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 11/76:13 am -
1 stop6h 29m
Mon 11/912:13 pm -
1 stop10h 07m
Deal found 10/6![Delta logo]()
$213
This Southwest deal was found by Cheapflights users on 10/7. 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.
Thu 11/53:50 pm -
1 stop10h 20m
Thu 11/1210:30 am -
2 stops9h 35m
Deal found 10/7![Southwest logo]()
$273
This Delta deal was found by Cheapflights users on 10/7. 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 11/116:58 pm -
1 stop7h 01m
Wed 11/181:19 pm -
1 stop8h 28m
Deal found 10/7![Delta logo]()
$213
This Delta deal was found by Cheapflights users on 10/6. 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 10/277:05 am -
1 stop10h 15m
Wed 10/2810:34 am -
1 stop10h 15m
Deal found 10/6![Delta logo]()
$213
This United Airlines deal was found by Cheapflights users on 10/6. 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 10/286:00 am -
2 stops14h 03m
Sun 11/112:31 pm -
1 stop8h 12m
Deal found 10/6![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 10/6. 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 10/316:10 am -
2 stops11h 10m
Sat 11/71:06 pm -
2 stops9h 44m
Deal found 10/6![Delta logo]()
$223
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:00 am -
1 stop11h 05m
Mon 11/2312:13 pm -
1 stop10h 07m
Deal found 10/5![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:08 am -
1 stop8h 31m
Mon 11/2311:10 pm -
1 stop8h 07m
Deal found 10/5![Delta logo]()
$268
This Southwest deal was found by Cheapflights users on 10/4. 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 12/2510:00 am -
2 stops10h 00m
Fri 1/811:40 am -
2 stops10h 05m
Deal found 10/4![Southwest logo]()
$416
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:05 am -
1 stop8h 28m
Mon 11/2311:10 pm -
1 stop8h 04m
Deal found 10/5![Delta logo]()
$268
This Southwest deal was found by Cheapflights users on 10/6. 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 11/72:35 pm -
1 stop7h 55m
Wed 11/115:45 am -
2 stops11h 10m
Deal found 10/6![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 10/5. 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.
Tue 10/204:50 pm -
2 stops9h 05m
Sat 10/246:00 am -
1 stop12h 20m
Deal found 10/5![Southwest logo]()
$422
This Delta deal was found by Cheapflights users on 10/6. 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 10/287:05 am -
1 stop10h 15m
Sun 11/11:40 pm -
1 stop9h 02m
Deal found 10/6![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 10/7. 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.
Sun 11/16:00 am -
1 stop9h 34m
Mon 11/28:59 am -
1 stop9h 07m
Deal found 10/7![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
1 stop8h 34m
Mon 11/25:30 am -
1 stop6h 30m
Deal found 10/5![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 10/7. 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.
Sun 11/16:00 am -
1 stop9h 34m
Mon 11/26:49 pm -
1 stop8h 56m
Deal found 10/7![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 10/7. 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 10/288:12 am -
1 stop7h 22m
Sun 11/11:40 pm -
1 stop8h 51m
Deal found 10/7![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 10/7. 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 10/286:00 am -
1 stop9h 34m
Sun 11/13:00 pm -
1 stop6h 44m
Deal found 10/7![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 10/3. 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 10/247:20 am -
1 stop7h 15m
Wed 10/286:49 pm -
1 stop8h 56m
Deal found 10/3![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 10/4. 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 11/1112:18 pm -
2 stops12h 08m
Wed 11/1810:37 am -
2 stops10h 50m
Deal found 10/4![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 10/3. 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 11/66:13 am -
1 stop6h 29m
Mon 11/912:13 pm -
1 stop10h 07m
Deal found 10/3![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 10/3. 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 11/126:59 am -
1 stop8h 40m
Sun 11/153:00 pm -
1 stop6h 37m
Deal found 10/3![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 10/6. 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 11/156:00 am -
1 stop9h 39m
Sun 11/221:41 pm -
1 stop8h 05m
Deal found 10/6![Delta logo]()
$371
This Delta deal was found by Cheapflights users on 10/4. 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 10/176:05 am -
1 stop8h 30m
Sun 10/1811:10 pm -
1 stop8h 00m
Deal found 10/4![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:00 am -
1 stop11h 05m
Sun 11/2211:10 pm -
1 stop7h 59m
Deal found 10/5![Delta logo]()
$401
Last-minute flights from Washington, D.C. to BoiseDiscover last-minute flight deals from Washington, D.C. to Boise. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Boise. Data last updated October 8, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
1 stop9h 55m
Mon 10/192:50 pm -
1 stop13h 30m
Deal found 10/5![Frontier logo]()
$221
This American Airlines deal was found by Cheapflights users on 10/6. 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 10/278:41 am -
1 stop7h 52m
Wed 10/282:41 pm -
1 stop7h 18m
Deal found 10/6![American Airlines logo]()
$213
This Southwest deal was found by Cheapflights users on 10/6. 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 10/276:20 am -
1 stop8h 55m
Wed 10/286:15 am -
2 stops9h 15m
Deal found 10/6![Southwest logo]()
$236
This Southwest deal was found by Cheapflights users on 10/5. 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.
Tue 10/274:50 pm -
2 stops9h 05m
Wed 10/286:15 am -
1 stop8h 30m
Deal found 10/5![Southwest logo]()
$254
This Delta deal was found by Cheapflights users on 10/8. 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 10/318:13 am -
1 stop7h 21m
Sat 11/711:32 am -
1 stop6h 37m
Deal found 10/8![Delta logo]()
$213
This Delta deal was found by Cheapflights users on 10/8. 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 10/317:21 am -
1 stop8h 13m
Sat 11/71:40 pm -
1 stop9h 10m
Deal found 10/8![Delta logo]()
$213
This Southwest deal was found by Cheapflights users on 10/5. 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.
Sat 10/3111:00 am -
2 stops10h 05m
Sat 11/711:30 am -
1 stop9h 30m
Deal found 10/5![Southwest logo]()
$219
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Mon 11/94:15 pm -
1 stop9h 18m
Wed 11/112:51 pm -
1 stop6h 24m
Deal found 10/7![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 10/7. 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 11/97:25 pm -
1 stop6h 34m
Wed 11/116:45 pm -
1 stop9h 15m
Deal found 10/7![Delta logo]()
$266
This Delta deal was found by Cheapflights users on 10/6. 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 11/197:00 am -
1 stop11h 05m
Mon 11/2312:13 pm -
1 stop10h 07m
Deal found 10/6![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:08 am -
1 stop8h 31m
Mon 11/2311:10 pm -
1 stop8h 07m
Deal found 10/5![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:05 am -
1 stop8h 28m
Mon 11/2311:10 pm -
1 stop8h 04m
Deal found 10/5![Delta logo]()
$268
One-way flights from Washington, D.C. to BoiseSearch for one-way flight options from Washington, D.C. to Boise. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
Search for one-way flight options from Washington, D.C. to Boise. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Frontier deal was found by Cheapflights users on 10/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$95
This Delta deal was found by Cheapflights users on 10/6. 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 10/317:23 am -
1 stop7h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$107
This Southwest deal was found by Cheapflights users on 10/6. 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.
Wed 10/286:20 am -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$107
This American Airlines deal was found by Cheapflights users on 10/7. 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 11/46:00 am -
1 stop8h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![American Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 11/412:31 pm -
2 stops27h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$111
This Southwest deal was found by Cheapflights users on 10/6. 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 10/3111:00 am -
2 stops10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$112
This Southwest deal was found by Cheapflights users on 10/7. 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.
Wed 11/44:00 pm -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$112
This Southwest deal was found by Cheapflights users on 10/4. 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 10/2910:10 pm -
1 stop15h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Southwest logo]()
$113
This Southwest deal was found by Cheapflights users on 10/4. 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 10/274:50 pm -
2 stops9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Southwest logo]()
$113
This Southwest deal was found by Cheapflights users on 10/4. 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 10/298:40 pm -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Southwest logo]()
$118
This United Airlines deal was found by Cheapflights users on 10/6. 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 11/49:25 am -
1 stop9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![United Airlines logo]()
$125
This Frontier deal was found by Cheapflights users on 10/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$128
Find flight deals from Washington, D.C. to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $213 (Delta) |
One-way from | $95 (Frontier) |
Popular in | December |
Cheapest in | May |
Average price | $432 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to Boise 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 7,457,451 searches. Data last updated October 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Boise
IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld
IADBOI
Washington, D.C. Dulles Intl
Thu 11/19
7:00 am-4:05 pm
1 stop11h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$107
BaltimoreBoise
BWI Baltimore/Washington - BOI Boise Air Term. Gowen Fld
BWIBOI
Baltimore/Washington
Mon 11/2
7:45 pm-1:25 am
1 stop7h 40m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$107
BaltimoreBoise
BWI Baltimore/Washington - BOI Boise Air Term. Gowen Fld
BWIBOI
Baltimore/Washington
Sat 1/30
6:20 am-1:15 pm
1 stop8h 55m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$107
Washington, D.C.Boise
DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld
DCABOI
Washington, D.C. Reagan-National
Thu 11/19
4:25 pm-11:50 pm
1 stop9h 25m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$107
Washington, D.C.Boise
DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld
DCABOI
Washington, D.C. Reagan-National
Mon 12/7
4:25 pm-11:52 pm
1 stop9h 27m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$107
BaltimoreBoise
BWI Baltimore/Washington - BOI Boise Air Term. Gowen Fld
BWIBOI
Baltimore/Washington
Sat 11/14
6:00 am-3:24 pm
2 stops11h 24m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$112
BaltimoreBoise
BWI Baltimore/Washington - BOI Boise Air Term. Gowen Fld
BWIBOI
Baltimore/Washington
Thu 10/29
9:00 pm-11:20 am
2 stops16h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$118
BaltimoreBoise
BWI Baltimore/Washington - BOI Boise Air Term. Gowen Fld
BWIBOI
Baltimore/Washington
Mon 11/2
12:34 pm-10:59 pm
2 stops12h 25m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$139
Washington, D.C.Boise
IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld
IADBOI
Washington, D.C. Dulles Intl
Fri 10/30
5:20 pm-10:59 pm
1 stop7h 39m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$154
Washington, D.C.Boise
IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld
IADBOI
Washington, D.C. Dulles Intl
Sat 11/14
4:10 pm-9:34 pm
1 stop7h 24m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$162
Showing 1-10 of 55 resultsSorted by cheapest first
Compare providers for flights from Washington, D.C. to Boise
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Boise in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C.-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Washington, D.C. to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Washington, D.C. with our price prediction graph.
WAS-BOI
IAD-BOI
BWI-BOI
DCA-BOI
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. to Boise
WAS-BOI
IAD-BOI
BWI-BOI
DCA-BOI
What is the cheapest month to book a flight from Washington, D.C. to Boise?
Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Boise (average of $372). Flying from Washington, D.C. to Boise in February is currently the most expensive (average of $669). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Washington, D.C. to Boise?
Airfare is below average for this route at the moment.
Washington, D.C. to Boise flights typically cost between $362 and $458 in October.The cheapest round-trip price found within the last 5 days was $213 on Delta (Oct 31-Nov 7).
How far ahead should I book a flight from Washington, D.C. to Boise?
Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Boise. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated October 8, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Washington, D.C. to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
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Washington, D.C. and Boise flights
Browse other Washington, D.C. and Boise flight options. Last updated on October 8, 2026.
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Consider these flights traveling from Washington, D.C. to Boise.
Top 5 airlines flying from Washington, D.C. to Boise
Discover the top 5 airlines that operate flights from Washington, D.C. to Boise. 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 7,457,451 searches. Data last updated October 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$353 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$200 | Average$410 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$262 | Average$574 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$292 | Average$554 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$342 | Average$508 | FlexibilityNo cancel fee | On-time63% |