$121+ Cheap flights from Maryland 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
Jul 24 — Jul 311
Round-trip
1 adult, Economy
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Cheapest flights from Maryland to IdahoExplore the most affordable flight options available from Maryland to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 24, 2026.
Explore the most affordable flight options available from Maryland to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 24, 2026.
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:49 pm
IAD
- BOI
1 stop7h 10m
Delta
Mon 8/2411:10 pm
BOI
- IAD
1 stop8h 10m
Delta
Deal found 6/23![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:05 am
BWI
- BOI
1 stop9h 37m
Delta
Mon 8/2411:10 pm
BOI
- BWI
1 stop8h 09m
Delta
Deal found 6/23![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:35 am
DCA
- BOI
1 stop8h 54m
American Airlines
Thu 8/2012:12 pm
BOI
- DCA
1 stop9h 46m
American Airlines
Deal found 6/23![American Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:07 am
DCA
- GEG
1 stop7h 30m
American Airlines
Sat 9/512:44 pm
GEG
- DCA
1 stop8h 14m
American Airlines
Deal found 6/21![American Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:09 am
IAD
- GEG
1 stop8h 45m
American Airlines
Sat 9/55:40 am
GEG
- IAD
1 stop9h 47m
American Airlines
Deal found 6/21![American Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:40 pm
BWI
- BOI
2 stops8h 19m
Delta
Mon 9/216:44 pm
BOI
- BWI
1 stop9h 34m
Delta
Deal found 6/23![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/43:04 pm
BWI
- BOI
1 stop8h 08m
Delta
Tue 7/146:42 pm
BOI
- BWI
1 stop9h 18m
Delta
Deal found 6/23![Delta logo]()
$300
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:30 pm
BWI
- BOI
2 stops8h 25m
Delta
Sat 10/2411:30 am
BOI
- BWI
2 stops10h 56m
Delta
Deal found 6/23![Delta logo]()
$303
This Frontier deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am
DCA
- BOI
1 stop7h 04m
Frontier
Thu 9/2412:59 pm
BOI
- DCA
1 stop6h 59m
Frontier
Deal found 6/23![Frontier logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
BWI
- BOI
1 stop10h 23m
Alaska Airlines
Wed 10/286:01 pm
BOI
- BWI
1 stop9h 19m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:45 am
DCA
- GEG
1 stop8h 13m
Delta
Tue 10/62:05 pm
GEG
- DCA
1 stop6h 24m
Delta
Deal found 6/23![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:20 am
IAD
- GEG
1 stop8h 50m
Delta
Tue 9/226:45 am
GEG
- IAD
1 stop8h 20m
Delta
Deal found 6/23![Delta logo]()
$307
Best flights from Maryland to IdahoDiscover carefully curated flight deals from Maryland to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 24, 2026.
Discover carefully curated flight deals from Maryland to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 24, 2026.
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
IAD
- BOI
1 stop8h 53m
Delta
Thu 8/611:10 pm
BOI
- IAD
1 stop8h 10m
Delta
Deal found 6/20![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:45 pm
BWI
- GEG
1 stop9h 40m
Southwest
Tue 9/154:55 pm
GEG
- BWI
1 stop10h 40m
Southwest
Deal found 6/22![Southwest logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:33 pm
IAD
- GEG
1 stop9h 21m
Alaska Airlines
Wed 10/2812:44 pm
GEG
- IAD
1 stop8h 15m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:30 am
IAD
- BOI
1 stop9h 04m
United Airlines
Tue 7/147:05 pm
BOI
- IAD
1 stop8h 48m
United Airlines
Deal found 6/19![United Airlines logo]()
$403
This Sun Country Air deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:00 am
IAD
- GEG
1 stop11h 56m
Sun Country Air
Sun 7/266:08 pm
GEG
- IAD
1 stop15h 07m
Sun Country Air
Deal found 6/19![Sun Country Air logo]()
$475
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:10 am
IAD
- BOI
1 stop10h 08m
Delta
Sat 8/295:30 am
BOI
- IAD
1 stop6h 05m
Delta
Deal found 6/21![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:20 pm
BWI
- GEG
2 stops10h 45m
Southwest
Wed 8/264:55 pm
GEG
- BWI
1 stop10h 40m
Southwest
Deal found 6/22![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/43:04 pm
BWI
- BOI
1 stop8h 08m
Delta
Tue 7/146:42 pm
BOI
- BWI
1 stop9h 18m
Delta
Deal found 6/20![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:50 pm
BWI
- BOI
2 stops9h 35m
Southwest
Sat 9/196:10 am
BOI
- BWI
1 stop9h 00m
Southwest
Deal found 6/19![Southwest logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am
IAD
- BOI
1 stop10h 30m
Alaska Airlines
Wed 9/237:20 am
BOI
- IAD
1 stop8h 54m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:45 am
DCA
- BOI
1 stop8h 06m
Delta
Tue 7/142:03 pm
BOI
- DCA
1 stop7h 49m
Delta
Deal found 6/21![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:05 am
DCA
- BOI
1 stop9h 37m
Delta
Sat 8/295:30 am
BOI
- DCA
1 stop6h 18m
Delta
Deal found 6/20![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:20 pm
BWI
- GEG
2 stops9h 35m
Southwest
Thu 9/105:10 pm
GEG
- BWI
1 stop10h 20m
Southwest
Deal found 6/22![Southwest logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:43 pm
BWI
- GEG
1 stop9h 28m
Alaska Airlines
Sat 9/55:12 am
GEG
- BWI
1 stop7h 28m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:15 pm
BWI
- GEG
1 stop7h 44m
Alaska Airlines
Wed 8/265:12 am
GEG
- BWI
1 stop7h 28m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:45 pm
BWI
- BOI
2 stops9h 25m
Southwest
Sat 8/153:25 pm
BOI
- BWI
1 stop13h 05m
Southwest
Deal found 6/22![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 am
IAD
- BOI
1 stop7h 14m
Delta
Fri 9/42:53 pm
BOI
- IAD
1 stop6h 28m
Delta
Deal found 6/20![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:10 am
BWI
- GEG
2 stops10h 01m
United Airlines
Sat 9/55:00 am
GEG
- BWI
2 stops10h 30m
United Airlines
Deal found 6/23![United Airlines logo]()
$491
This Alaska Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:53 pm
IAD
- BOI
1 stop19h 53m
Alaska Airlines
Tue 8/117:57 am
BOI
- IAD
1 stop8h 48m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:50 am
BWI
- BOI
1 stop11h 00m
Southwest
Tue 7/283:00 pm
BOI
- BWI
1 stop12h 45m
Southwest
Deal found 6/19![Southwest logo]()
$342
This Sun Country Air deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:15 pm
BWI
- GEG
1 stop6h 41m
Sun Country Air
Sun 7/266:08 pm
GEG
- BWI
1 stop14h 11m
Sun Country Air
Deal found 6/19![Sun Country Air logo]()
$505
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:25 am
IAD
- GEG
1 stop10h 53m
Delta
Mon 9/2110:50 pm
GEG
- IAD
1 stop9h 41m
Delta
Deal found 6/20![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:59 am
DCA
- BOI
1 stop11h 21m
Alaska Airlines
Wed 8/267:05 am
BOI
- DCA
1 stop10h 55m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:15 pm
BWI
- GEG
2 stops10h 10m
Southwest
Thu 8/1310:55 am
GEG
- BWI
1 stop7h 05m
Southwest
Deal found 6/23![Southwest logo]()
$356
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:15 pm
BWI
- BOI
1 stop6h 44m
Delta
Fri 9/1811:10 pm
BOI
- BWI
1 stop8h 46m
Delta
Deal found 6/20![Delta logo]()
$326
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:10 pm
IAD
- JAC
1 stop7h 31m
United Airlines
Tue 8/257:15 am
JAC
- IAD
1 stop6h 47m
United Airlines
Deal found 6/22![United Airlines logo]()
$543
This Alaska Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:47 pm
IAD
- GEG
1 stop7h 38m
Alaska Airlines
Sat 9/126:00 am
GEG
- IAD
1 stop9h 14m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:20 pm
BWI
- BOI
2 stops9h 10m
Southwest
Sat 8/298:30 am
BOI
- BWI
2 stops9h 55m
Southwest
Deal found 6/21![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:45 pm
DCA
- GEG
1 stop10h 07m
Delta
Sun 9/275:10 am
GEG
- DCA
1 stop7h 22m
Delta
Deal found 6/21![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:30 am
PHL
- JAC
2 stops12h 10m
United Airlines
Fri 8/211:45 pm
JAC
- PHL
2 stops9h 14m
United Airlines
Deal found 6/19![United Airlines logo]()
$545
Last-minute flights from Maryland to IdahoDiscover last-minute flight deals from Maryland to Idaho. Data last updated June 24, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Idaho. Data last updated June 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:35 pm
DCA
- GEG
1 stop6h 51m
Delta
Tue 7/145:25 am
GEG
- DCA
1 stop6h 56m
Delta
Deal found 6/20![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:00 am
IAD
- BOI
1 stop8h 54m
Delta
Tue 7/142:03 pm
BOI
- IAD
1 stop8h 38m
Delta
Deal found 6/23![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/43:04 pm
BWI
- BOI
1 stop8h 08m
Delta
Tue 7/146:42 pm
BOI
- BWI
1 stop9h 18m
Delta
Deal found 6/20![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:45 am
DCA
- BOI
1 stop8h 06m
Delta
Tue 7/142:03 pm
BOI
- DCA
1 stop7h 49m
Delta
Deal found 6/23![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:25 am
DCA
- BOI
1 stop7h 57m
American Airlines
Tue 7/143:10 pm
BOI
- DCA
1 stop6h 49m
American Airlines
Deal found 6/20![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:46 pm
BWI
- GEG
1 stop7h 59m
American Airlines
Tue 7/142:29 pm
GEG
- BWI
1 stop7h 04m
American Airlines
Deal found 6/19![American Airlines logo]()
$328
This Trip.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:59 pm
DCA
- BOI
1 stop24h 30m
Frontier
Thu 7/161:24 pm
BOI
- DCA
1 stop6h 35m
Frontier
Deal found 6/21![Frontier logo]()
$343
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:50 am
BWI
- BOI
1 stop11h 00m
Southwest
Tue 7/283:00 pm
BOI
- BWI
1 stop12h 45m
Southwest
Deal found 6/19![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:30 pm
BWI
- BOI
1 stop7h 45m
Southwest
Tue 7/286:00 am
BOI
- BWI
1 stop13h 05m
Southwest
Deal found 6/19![Southwest logo]()
$346
This Expedia deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:00 am
DCA
- BOI
1 stop7h 29m
Frontier
Tue 7/281:24 pm
BOI
- DCA
1 stop21h 27m
Frontier
Deal found 6/21![Frontier logo]()
$332
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:35 pm
DCA
- BOI
1 stop9h 16m
Delta
Tue 7/2811:10 pm
BOI
- DCA
1 stop8h 06m
Delta
Deal found 6/23![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:45 pm
BWI
- GEG
1 stop11h 05m
Southwest
Sat 8/83:15 pm
GEG
- BWI
1 stop12h 20m
Southwest
Deal found 6/23![Southwest logo]()
$352
One-way flights from Maryland to IdahoSearch for one-way flight options from Maryland to Idaho. Find affordable one-way fares based on user searches. Data last updated June 24, 2026.
Search for one-way flight options from Maryland to Idaho. Find affordable one-way fares based on user searches. Data last updated June 24, 2026.
This Expedia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:00 am
DCA
- BOI
1 stop7h 29m
Frontier
Deal found 6/22![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/287:00 am
DCA
- BOI
1 stop7h 30m
Frontier
Deal found 6/21![Frontier logo]()
$127
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:00 am
IAD
- BOI
1 stop10h 11m
Delta
Deal found 6/22![Delta logo]()
$147
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:20 am
IAD
- GEG
1 stop9h 38m
Delta
Deal found 6/22![Delta logo]()
$154
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:18 pm
BWI
- GEG
1 stop10h 12m
Delta
Deal found 6/23![Delta logo]()
$155
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:00 am
PHL
- JAC
1 stop7h 12m
American Airlines
Deal found 6/18![American Airlines logo]()
$156
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:35 pm
PHL
- JAC
2 stops9h 05m
United Airlines
Deal found 6/18![United Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:20 pm
BWI
- GEG
1 stop8h 20m
Southwest
Deal found 6/19![Southwest logo]()
$164
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:40 pm
DCA
- GEG
1 stop7h 00m
Southwest
Deal found 6/19![Southwest logo]()
$165
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
IAD
- GEG
1 stop8h 21m
Delta
Deal found 6/23![Delta logo]()
$165
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:30 am
BWI
- GEG
2 stops13h 25m
Southwest
Deal found 6/20![Southwest logo]()
$169
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/64:35 pm
DCA
- GEG
1 stop8h 00m
Delta
Deal found 6/22![Delta logo]()
$170
Find flight deals from Maryland to Idaho
Keep the following information in mind while searching for Maryland to Idaho flight deals. Data was last updated June 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $293 (Delta) |
One-way from | $121 (Expedia) |
Popular in | December |
Cheapest in | May |
Average price | $392 |
Cheapflights Fare Finder
Customize your flight search to find flights from Maryland 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 24, 2026.
Use the filters below to find and compare flights from Maryland to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Mon 7/27
6:00 am-12:53 pm
1 stop8h 53m
Boise Air Term. Gowen Fld
Thu 8/6
11:10 pm-9:20 am
1 stop8h 10m
$293
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Sat 8/22
7:10 am-3:18 pm
1 stop10h 08m
Boise Air Term. Gowen Fld
Sat 8/29
5:30 am-1:35 pm
1 stop6h 05m
$293
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
Sat 7/4
3:04 pm-9:12 pm
1 stop8h 08m
Boise Air Term. Gowen Fld
Tue 7/14
6:42 pm-6:00 am
1 stop9h 18m
$293
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Sat 7/4
7:45 am-1:51 pm
1 stop8h 06m
Boise Air Term. Gowen Fld
Tue 7/14
2:03 pm-11:52 pm
1 stop7h 49m
$293
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Sat 8/22
6:05 am-1:42 pm
1 stop9h 37m
Boise Air Term. Gowen Fld
Sat 8/29
5:30 am-1:48 pm
1 stop6h 18m
$293
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Wed 9/2
3:45 pm-10:25 pm
1 stop9h 40m
Spokane
Tue 9/15
4:55 pm-6:35 am
1 stop10h 40m
$309
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Tue 8/18
2:20 pm-10:05 pm
2 stops10h 45m
Spokane
Wed 8/26
4:55 pm-6:35 am
1 stop10h 40m
$314
Quickest round-trip
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Mon 8/31
7:00 am-12:14 pm
1 stop7h 14m
Boise Air Term. Gowen Fld
Fri 9/4
2:53 pm-11:21 pm
1 stop6h 28m
$317
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
Wed 9/9
2:50 pm-10:25 pm
2 stops9h 35m
Boise Air Term. Gowen Fld
Sat 9/19
6:10 am-5:10 pm
1 stop9h 00m
$318
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Wed 9/16
7:25 am-3:18 pm
1 stop10h 53m
Spokane
Mon 9/21
10:50 pm-11:31 am
1 stop9h 41m
$318
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Maryland to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Maryland with our price prediction graph.
DCA-BOI
IAD-BOI
PHL-JAC
DCA-GEG
BWI-GEG
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 Maryland to Idaho
USMD-USID
DCA-BOI
IAD-BOI
PHL-JAC
DCA-GEG
What is the cheapest month to book a flight from Maryland to Idaho?
Currently, March is the cheapest month in which you can book a flight from Maryland to Idaho (average of $170). Flying from Maryland to Idaho in April is currently the most expensive (average of $410). 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 Maryland 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 24, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from Maryland to Idaho have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Entertainment
7.0
Crew
8.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Maryland to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Maryland to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maryland to Idaho by cabin class
Find flights from Maryland to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maryland and Idaho flights
Browse other Maryland and Idaho flight options. Last updated on June 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Maryland after your stay in Idaho
Maryland to Idaho flights
Consider these flights traveling from Maryland to Idaho.
Top 4 airlines flying from Maryland to Idaho
Discover the top 4 airlines that operate flights from Maryland 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 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$214 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$274 | Average$353 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$275 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$327 | Average$487 | FlexibilityNo cancel fee | On-time63% |