$120+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
Apr 18 — Apr 251
Round-trip
1 adult, Economy
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Find cheap flights from Maryland to Idaho with Cheapflights
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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 March 19, 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 March 19, 2026.
This Frontier deal was found by Cheapflights users on 3/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:59 pm
DCA
- GEG
1 stop23h 50m
Frontier
Sun 4/2611:44 am
GEG
- DCA
1 stop22h 16m
Frontier
Deal found 3/19![Frontier logo]()
$220
This Gotogate deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:00 am
DCA
- GEG
1 stop30h 21m
Frontier
Sun 4/1211:06 am
GEG
- DCA
1 stop21h 56m
Frontier
Deal found 3/14![Frontier logo]()
$259
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:30 pm
IAD
- BOI
1 stop8h 00m
Southwest
Sat 5/162:50 pm
BOI
- IAD
1 stop6h 05m
Southwest
Deal found 3/16![Southwest logo]()
$271
This American Airlines deal was found by Cheapflights users on 3/18. 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.
Wed 4/156:58 am
DCA
- GEG
1 stop8h 34m
American Airlines
Wed 4/221:22 pm
GEG
- DCA
1 stop7h 35m
American Airlines
Deal found 3/18![American Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:00 pm
IAD
- GEG
1 stop9h 31m
Delta
Tue 4/281:07 pm
GEG
- IAD
1 stop7h 48m
Delta
Deal found 3/16![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:12 pm
IAD
- BOI
2 stops11h 44m
Delta
Sat 5/161:53 pm
BOI
- IAD
1 stop8h 58m
Delta
Deal found 3/16![Delta logo]()
$276
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:30 am
DCA
- GEG
1 stop9h 34m
Delta
Wed 4/227:38 pm
GEG
- DCA
2 stops9h 59m
Delta
Deal found 3/18![Delta logo]()
$276
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/283:40 pm
DCA
- GEG
2 stops10h 45m
Southwest
Tue 5/56:30 am
GEG
- DCA
2 stops9h 10m
Southwest
Deal found 3/15![Southwest logo]()
$281
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:00 pm
DCA
- GEG
2 stops12h 05m
Delta
Sat 5/26:00 am
GEG
- DCA
2 stops9h 57m
Delta
Deal found 3/18![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
IAD
- BOI
1 stop11h 14m
Delta
Wed 4/222:18 pm
BOI
- IAD
1 stop8h 24m
Delta
Deal found 3/16![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:15 pm
IAD
- BOI
1 stop8h 55m
Delta
Wed 4/151:52 pm
BOI
- IAD
1 stop8h 03m
Delta
Deal found 3/16![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
IAD
- BOI
2 stops13h 21m
Delta
Sat 5/92:23 pm
BOI
- IAD
1 stop7h 15m
Delta
Deal found 3/16![Delta logo]()
$296
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 March 19, 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 March 19, 2026.
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:30 am
DCA
- GEG
1 stop9h 34m
Delta
Wed 4/227:38 pm
GEG
- DCA
2 stops9h 59m
Delta
Deal found 3/18![Delta logo]()
$276
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:10 am
IAD
- GEG
1 stop9h 13m
Alaska Airlines
Wed 4/295:00 am
GEG
- IAD
1 stop10h 20m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Thu 4/303:15 pm
IAD
- BOI
1 stop9h 35m
United Airlines
Mon 5/116:58 pm
BOI
- IAD
1 stop9h 02m
United Airlines
Deal found 3/18![United Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:45 pm
IAD
- BOI
1 stop8h 10m
Southwest
Tue 4/146:00 am
BOI
- IAD
2 stops15h 40m
Southwest
Deal found 3/16![Southwest logo]()
$344
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/237:00 am
IAD
- IDA
1 stop8h 13m
American Airlines
Wed 5/137:48 am
IDA
- IAD
2 stops13h 38m
American Airlines
Deal found 3/14![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:12 pm
IAD
- GEG
2 stops14h 22m
Delta
Tue 4/282:10 pm
GEG
- IAD
1 stop6h 22m
Delta
Deal found 3/14![Delta logo]()
$296
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:59 am
DCA
- GEG
1 stop10h 33m
Alaska Airlines
Tue 5/57:09 am
GEG
- DCA
1 stop9h 51m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
IAD
- BOI
1 stop8h 12m
Delta
Thu 5/79:16 pm
BOI
- IAD
2 stops13h 07m
Delta
Deal found 3/14![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:30 pm
IAD
- BOI
2 stops9h 55m
Southwest
Sat 5/167:05 am
BOI
- IAD
2 stops13h 50m
Southwest
Deal found 3/17![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 5/286:10 am
IAD
- BOI
1 stop7h 22m
United Airlines
Tue 6/92:05 pm
BOI
- IAD
1 stop8h 50m
United Airlines
Deal found 3/14![United Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:27 pm
BWI
- GEG
2 stops11h 35m
Delta
Tue 4/217:38 pm
GEG
- BWI
2 stops12h 08m
Delta
Deal found 3/15![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:21 pm
IAD
- BOI
1 stop10h 14m
United Airlines
Wed 4/159:26 am
BOI
- IAD
1 stop9h 20m
United Airlines
Deal found 3/17![United Airlines logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:04 am
BWI
- BOI
1 stop8h 48m
Alaska Airlines
Thu 5/72:57 pm
BOI
- BWI
1 stop12h 47m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:45 am
BWI
- GEG
2 stops12h 52m
Delta
Sat 4/186:15 am
GEG
- BWI
2 stops14h 10m
Delta
Deal found 3/18![Delta logo]()
$338
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:40 pm
BWI
- BOI
1 stop10h 45m
Southwest
Tue 7/73:00 pm
BOI
- BWI
1 stop7h 50m
Southwest
Deal found 3/16![Southwest logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 5/276:00 am
IAD
- GEG
1 stop8h 42m
Alaska Airlines
Tue 6/25:00 am
GEG
- IAD
1 stop8h 35m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 6/2311:59 am
IAD
- JAC
1 stop9h 25m
American Airlines
Fri 7/34:38 pm
JAC
- IAD
1 stop10h 35m
American Airlines
Deal found 3/14![American Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 am
IAD
- BOI
1 stop8h 12m
Delta
Mon 5/119:16 pm
BOI
- IAD
2 stops10h 00m
Delta
Deal found 3/18![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:30 pm
IAD
- GEG
1 stop8h 05m
Southwest
Sun 5/312:30 pm
GEG
- IAD
1 stop7h 10m
Southwest
Deal found 3/18![Southwest logo]()
$424
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:00 am
BWI
- JAC
1 stop8h 48m
United Airlines
Tue 6/91:42 pm
JAC
- BWI
2 stops8h 51m
United Airlines
Deal found 3/16![United Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:10 am
IAD
- GEG
1 stop19h 01m
Alaska Airlines
Sun 5/35:00 am
GEG
- IAD
1 stop16h 09m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:00 am
BWI
- BOI
1 stop8h 43m
Delta
Wed 5/2711:39 pm
BOI
- BWI
1 stop7h 44m
Delta
Deal found 3/17![Delta logo]()
$358
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:55 pm
BWI
- GEG
1 stop11h 40m
Southwest
Mon 5/115:00 am
GEG
- BWI
2 stops15h 55m
Southwest
Deal found 3/16![Southwest logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:17 pm
BWI
- GEG
1 stop9h 49m
Alaska Airlines
Mon 6/17:25 pm
GEG
- BWI
1 stop16h 52m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:00 am
BWI
- JAC
1 stop9h 24m
United Airlines
Wed 4/292:35 pm
JAC
- BWI
1 stop6h 49m
United Airlines
Deal found 3/17![United Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:08 am
IAD
- BOI
1 stop8h 35m
Delta
Wed 5/2711:39 pm
BOI
- IAD
1 stop7h 37m
Delta
Deal found 3/16![Delta logo]()
$386
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:20 am
IAD
- GEG
2 stops10h 25m
Southwest
Sat 5/306:45 am
GEG
- IAD
2 stops13h 10m
Southwest
Deal found 3/18![Southwest logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:10 am
IAD
- BOI
1 stop17h 52m
Alaska Airlines
Sun 5/106:00 am
BOI
- IAD
1 stop21h 50m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:36 am
PHL
- JAC
2 stops11h 17m
United Airlines
Tue 4/142:35 pm
JAC
- PHL
2 stops8h 24m
United Airlines
Deal found 3/17![United Airlines logo]()
$499
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:20 pm
BWI
- GEG
2 stops9h 00m
Southwest
Tue 5/196:30 am
GEG
- BWI
2 stops8h 50m
Southwest
Deal found 3/16![Southwest logo]()
$473
Last-minute flights from Maryland to IdahoDiscover last-minute flight deals from Maryland to Idaho. Data last updated March 19, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Idaho. Data last updated March 19, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:00 am
DCA
- GEG
1 stop30h 21m
Frontier
Sun 4/1211:06 am
GEG
- DCA
1 stop21h 56m
Frontier
Deal found 3/14![Frontier logo]()
$259
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:15 pm
IAD
- BOI
1 stop8h 55m
Delta
Wed 4/151:52 pm
BOI
- IAD
1 stop8h 03m
Delta
Deal found 3/16![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
IAD
- BOI
1 stop11h 14m
Delta
Wed 4/222:18 pm
BOI
- IAD
1 stop8h 24m
Delta
Deal found 3/16![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 3/18. 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.
Wed 4/156:58 am
DCA
- GEG
1 stop8h 34m
American Airlines
Wed 4/221:22 pm
GEG
- DCA
1 stop7h 35m
American Airlines
Deal found 3/18![American Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:30 am
DCA
- GEG
1 stop9h 34m
Delta
Wed 4/227:38 pm
GEG
- DCA
2 stops9h 59m
Delta
Deal found 3/18![Delta logo]()
$276
This Frontier deal was found by Cheapflights users on 3/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:59 pm
DCA
- GEG
1 stop23h 50m
Frontier
Sun 4/2611:44 am
GEG
- DCA
1 stop22h 16m
Frontier
Deal found 3/19![Frontier logo]()
$220
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:00 am
IAD
- BOI
1 stop8h 12m
Delta
Wed 4/292:18 pm
BOI
- IAD
1 stop8h 24m
Delta
Deal found 3/16![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:00 pm
IAD
- GEG
1 stop9h 31m
Delta
Tue 4/281:07 pm
GEG
- IAD
1 stop7h 48m
Delta
Deal found 3/16![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:39 am
BWI
- GEG
1 stop9h 53m
American Airlines
Tue 4/281:22 pm
GEG
- BWI
1 stop7h 34m
American Airlines
Deal found 3/17![American Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:00 pm
DCA
- GEG
2 stops12h 05m
Delta
Sat 5/26:00 am
GEG
- DCA
2 stops9h 57m
Delta
Deal found 3/18![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
IAD
- BOI
2 stops13h 21m
Delta
Sat 5/92:23 pm
BOI
- IAD
1 stop7h 15m
Delta
Deal found 3/16![Delta logo]()
$296
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/283:40 pm
DCA
- GEG
2 stops10h 45m
Southwest
Tue 5/56:30 am
GEG
- DCA
2 stops9h 10m
Southwest
Deal found 3/15![Southwest logo]()
$281
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 March 19, 2026.
Search for one-way flight options from Maryland to Idaho. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
This Gotogate deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:59 pm
DCA
- GEG
1 stop23h 50m
Frontier
Deal found 3/15![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:19 pm
BWI
- BOI
2 stops21h 49m
Frontier
Deal found 3/18![Frontier logo]()
$128
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
IAD
- BOI
1 stop7h 51m
American Airlines
Deal found 3/16![American Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
BWI
- BOI
2 stops31h 08m
Frontier
Deal found 3/18![Frontier logo]()
$136
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:55 am
DCA
- GEG
1 stop9h 37m
American Airlines
Deal found 3/17![American Airlines logo]()
$136
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 5/23:55 pm
IAD
- GEG
1 stop8h 40m
Southwest
Deal found 3/15![Southwest logo]()
$136
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
DCA
- GEG
2 stops12h 15m
United Airlines
Deal found 3/17![United Airlines logo]()
$141
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:39 pm
DCA
- GEG
1 stop10h 41m
Delta
Deal found 3/15![Delta logo]()
$146
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:20 am
IAD
- BOI
2 stops19h 10m
Southwest
Deal found 3/18![Southwest logo]()
$147
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:30 pm
DCA
- GEG
2 stops12h 01m
Delta
Deal found 3/15![Delta logo]()
$151
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:12 pm
IAD
- GEG
2 stops11h 50m
Delta
Deal found 3/15![Delta logo]()
$151
This Mytrip deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 pm
DCA
- GEG
1 stop20h 38m
Frontier
Deal found 3/15![Frontier logo]()
$155
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 March 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Gotogate) |
One-way from | $120 (Gotogate) |
Popular in | December |
Cheapest in | April |
Average price | $527 |
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 March 19, 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.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Wed 4/15
6:30 am-1:04 pm
1 stop9h 34m
Spokane
Wed 4/22
7:38 pm-8:37 am
2 stops9h 59m
$276
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Tue 4/21
12:12 pm-11:34 pm
2 stops14h 22m
Spokane
Tue 4/28
2:10 pm-11:32 pm
1 stop6h 22m
$296
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Tue 4/28
7:00 am-1:12 pm
1 stop8h 12m
Boise Air Term. Gowen Fld
Thu 5/7
9:16 pm-12:23 pm
2 stops13h 07m
$312
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Tue 4/14
12:27 pm-9:02 pm
2 stops11h 35m
Spokane
Tue 4/21
7:38 pm-10:46 am
2 stops12h 08m
$327
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Tue 4/28
7:10 am-1:23 pm
1 stop9h 13m
Spokane
Wed 4/29
5:00 am-6:20 pm
1 stop10h 20m
$337
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Wed 4/8
11:45 am-9:37 pm
2 stops12h 52m
Spokane
Sat 4/18
6:15 am-11:25 pm
2 stops14h 10m
$338
Washington, D.C.Spokane
DCA - GEG
DCAGEG
Washington, D.C. Reagan-National
Sat 5/2
9:59 am-5:32 pm
1 stop10h 33m
Spokane
Tue 5/5
7:09 am-8:00 pm
1 stop9h 51m
$339
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Thu 4/30
3:15 pm-10:50 pm
1 stop9h 35m
Boise Air Term. Gowen Fld
Mon 5/11
6:58 pm-6:00 am
1 stop9h 02m
$343
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Mon 4/6
7:45 pm-1:55 am
1 stop8h 10m
Boise Air Term. Gowen Fld
Tue 4/14
6:00 am-11:40 pm
2 stops15h 40m
$344
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Thu 4/30
7:00 am-1:12 pm
1 stop8h 12m
Boise Air Term. Gowen Fld
Mon 5/11
9:16 pm-9:16 am
2 stops10h 00m
$347
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-GEG
BWI-BOI
IAD-BOI
IAD-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-GEG
BWI-BOI
IAD-BOI
IAD-GEG
What is the cheapest month to book a flight from Maryland to Idaho?
Currently, July is the cheapest month in which you can book a flight from Maryland to Idaho (average of $208). Flying from Maryland to Idaho in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated March 19, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, 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.
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
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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 March 19, 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 5 airlines flying from Maryland to Idaho
Discover the top 5 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 March 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$470 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$275 | Average$635 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$321 | Average$372 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$351 | Average$485 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$400 | Average$842 | FlexibilityNo cancel fee | On-time71% |