$125+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Find cheap flights from Maryland to Idaho with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 May 6, 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 May 6, 2026.
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 10/317:15 am
IAD
- JAC
1 stop6h 57m
Delta
Wed 11/41:10 pm
JAC
- IAD
1 stop8h 36m
Delta
Deal found 5/1![Delta logo]()
$241
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 10/317:00 am
DCA
- JAC
2 stops14h 05m
Delta
Wed 11/47:15 am
JAC
- DCA
2 stops10h 04m
Delta
Deal found 5/1![Delta logo]()
$251
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/276:00 am
IAD
- BOI
1 stop9h 18m
Delta
Mon 6/111:39 pm
BOI
- IAD
1 stop7h 37m
Delta
Deal found 5/1![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 5/5. 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 5/286:59 pm
BWI
- BOI
1 stop6h 47m
Delta
Wed 6/36:41 pm
BOI
- BWI
1 stop9h 04m
Delta
Deal found 5/5![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/276:30 am
DCA
- BOI
1 stop8h 48m
Delta
Mon 6/111:39 pm
BOI
- DCA
1 stop7h 32m
Delta
Deal found 5/1![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 5/5. 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.
Wed 7/224:55 pm
DCA
- BOI
2 stops9h 35m
Southwest
Mon 7/275:10 am
BOI
- DCA
2 stops8h 35m
Southwest
Deal found 5/5![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 7/275:26 pm
IAD
- BOI
2 stops8h 20m
Delta
Thu 8/610:29 am
BOI
- IAD
2 stops10h 45m
Delta
Deal found 5/1![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:28 am
BWI
- BOI
2 stops13h 16m
Delta
Tue 6/29:18 pm
BOI
- BWI
2 stops11h 47m
Delta
Deal found 5/1![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:45 pm
DCA
- BOI
2 stops11h 01m
Delta
Wed 6/310:50 am
BOI
- DCA
2 stops9h 10m
Delta
Deal found 5/1![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/296:00 am
IAD
- GEG
1 stop8h 24m
Delta
Sat 9/51:00 pm
GEG
- IAD
1 stop7h 55m
Delta
Deal found 5/1![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/112:10 pm
BWI
- BOI
1 stop10h 25m
Delta
Wed 6/2411:59 am
BOI
- BWI
2 stops10h 41m
Delta
Deal found 5/2![Delta logo]()
$278
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:35 am
PHL
- GEG
1 stop7h 42m
Delta
Wed 6/102:23 pm
GEG
- PHL
1 stop6h 35m
Delta
Deal found 5/1![Delta logo]()
$279
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 May 6, 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 May 6, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 5/274:40 pm
DCA
- BOI
1 stop9h 15m
Delta
Mon 6/111:39 pm
BOI
- DCA
1 stop7h 32m
Delta
Deal found 5/5![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 5/4. 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.
Wed 7/14:50 pm
BWI
- BOI
2 stops9h 35m
Southwest
Tue 7/74:05 pm
BOI
- BWI
1 stop6h 45m
Southwest
Deal found 5/4![Southwest logo]()
$268
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:30 am
IAD
- GEG
1 stop9h 07m
United Airlines
Sat 5/3012:30 pm
GEG
- IAD
1 stop9h 01m
United Airlines
Deal found 5/5![United Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:00 am
DCA
- BOI
1 stop8h 18m
American Airlines
Wed 6/173:12 pm
BOI
- DCA
1 stop6h 47m
American Airlines
Deal found 5/5![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/66:59 pm
DCA
- BOI
1 stop6h 47m
Delta
Wed 6/172:50 pm
BOI
- DCA
1 stop6h 36m
Delta
Deal found 5/1![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 5/5. 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.
Sun 5/247:00 am
BWI
- BOI
1 stop9h 55m
Southwest
Mon 6/111:15 am
BOI
- BWI
1 stop10h 40m
Southwest
Deal found 5/5![Southwest logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 7/38:59 am
DCA
- JAC
1 stop32h 08m
Alaska Airlines
Wed 7/83:47 pm
JAC
- DCA
1 stop22h 13m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/266:08 am
IAD
- BOI
1 stop8h 35m
Delta
Tue 6/29:18 pm
BOI
- IAD
2 stops12h 00m
Delta
Deal found 5/2![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 5/5. 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 5/282:45 pm
DCA
- BOI
2 stops11h 01m
Delta
Wed 6/35:45 am
BOI
- DCA
1 stop7h 43m
Delta
Deal found 5/5![Delta logo]()
$268
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/66:03 am
BWI
- GEG
1 stop10h 08m
American Airlines
Tue 6/95:44 am
GEG
- BWI
1 stop10h 35m
American Airlines
Deal found 4/30![American Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:30 pm
BWI
- GEG
1 stop9h 00m
Southwest
Thu 6/411:50 am
GEG
- BWI
1 stop9h 40m
Southwest
Deal found 5/3![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 5/5. 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.
Tue 7/141:42 pm
DCA
- BOI
2 stops12h 23m
Delta
Wed 7/2211:42 pm
BOI
- DCA
2 stops12h 20m
Delta
Deal found 5/5![Delta logo]()
$273
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
IAD
- GEG
1 stop9h 05m
United Airlines
Wed 8/191:38 pm
GEG
- IAD
1 stop8h 02m
United Airlines
Deal found 5/3![United Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:30 pm
BWI
- GEG
1 stop9h 00m
Southwest
Thu 6/112:15 pm
GEG
- BWI
1 stop7h 15m
Southwest
Deal found 5/3![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 5/5. 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.
Tue 7/215:15 am
PHL
- GEG
1 stop9h 25m
Delta
Tue 7/285:37 pm
GEG
- PHL
1 stop8h 52m
Delta
Deal found 5/5![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:55 pm
DCA
- BOI
2 stops9h 35m
Southwest
Fri 6/268:45 am
BOI
- DCA
1 stop9h 10m
Southwest
Deal found 5/3![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:45 pm
PHL
- GEG
1 stop8h 13m
Delta
Wed 6/107:00 am
GEG
- PHL
1 stop7h 35m
Delta
Deal found 5/2![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:10 am
IAD
- BOI
1 stop7h 22m
United Airlines
Fri 8/77:05 pm
BOI
- IAD
1 stop8h 48m
United Airlines
Deal found 5/1![United Airlines logo]()
$410
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:20 am
BWI
- GEG
2 stops10h 55m
Southwest
Thu 8/65:35 pm
GEG
- BWI
1 stop9h 55m
Southwest
Deal found 5/3![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:45 pm
PHL
- GEG
1 stop8h 10m
Delta
Mon 6/155:30 am
GEG
- PHL
1 stop9h 05m
Delta
Deal found 5/2![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 5/5. 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.
Fri 5/296:08 am
IAD
- GEG
1 stop8h 09m
Delta
Sat 5/306:49 am
GEG
- IAD
2 stops10h 13m
Delta
Deal found 5/5![Delta logo]()
$280
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:00 pm
IAD
- JAC
1 stop21h 07m
Alaska Airlines
Sat 7/182:11 pm
JAC
- IAD
1 stop26h 34m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:15 am
BWI
- JAC
1 stop8h 57m
United Airlines
Thu 11/510:51 am
JAC
- BWI
1 stop6h 29m
United Airlines
Deal found 4/30![United Airlines logo]()
$491
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/113:00 pm
BWI
- BOI
1 stop11h 20m
Southwest
Tue 6/235:30 am
BOI
- BWI
2 stops12h 50m
Southwest
Deal found 5/2![Southwest logo]()
$372
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:38 pm
PHL
- GEG
2 stops11h 17m
Delta
Mon 7/277:08 pm
GEG
- PHL
2 stops10h 33m
Delta
Deal found 5/2![Delta logo]()
$290
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:50 pm
BWI
- BOI
2 stops16h 30m
Southwest
Wed 6/244:05 pm
BOI
- BWI
1 stop6h 45m
Southwest
Deal found 5/5![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:15 am
BWI
- JAC
1 stop8h 57m
United Airlines
Wed 11/410:51 am
JAC
- BWI
2 stops11h 47m
United Airlines
Deal found 4/30![United Airlines logo]()
$496
This Alaska Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 7/118:00 pm
IAD
- JAC
1 stop21h 07m
Alaska Airlines
Sat 7/252:11 pm
JAC
- IAD
2 stops14h 28m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:30 am
IAD
- GEG
1 stop7h 31m
Delta
Mon 6/810:48 pm
GEG
- IAD
1 stop7h 33m
Delta
Deal found 5/2![Delta logo]()
$292
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:10 am
PHL
- JAC
1 stop7h 12m
United Airlines
Wed 10/71:45 pm
JAC
- PHL
2 stops8h 52m
United Airlines
Deal found 5/3![United Airlines logo]()
$504
Last-minute flights from Maryland to IdahoDiscover last-minute flight deals from Maryland to Idaho. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Idaho. Data last updated May 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/3. 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.
Sun 5/246:08 am
IAD
- GEG
1 stop8h 09m
Delta
Wed 5/2710:40 pm
GEG
- IAD
1 stop7h 36m
Delta
Deal found 5/3![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 5/3. 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.
Sun 5/246:00 am
IAD
- GEG
2 stops10h 11m
Delta
Thu 5/2810:40 pm
GEG
- IAD
1 stop7h 36m
Delta
Deal found 5/3![Delta logo]()
$280
This Frontier deal was found by Cheapflights users on 5/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:35 pm
PHL
- GEG
1 stop18h 03m
Frontier
Mon 6/112:33 pm
GEG
- PHL
1 stop14h 04m
Frontier
Deal found 5/4![Frontier logo]()
$281
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/276:00 am
IAD
- BOI
1 stop9h 18m
Delta
Mon 6/111:39 pm
BOI
- IAD
1 stop7h 37m
Delta
Deal found 5/1![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/276:30 am
DCA
- BOI
1 stop8h 48m
Delta
Mon 6/111:39 pm
BOI
- DCA
1 stop7h 32m
Delta
Deal found 5/1![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 5/5. 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 5/286:59 pm
BWI
- BOI
1 stop6h 47m
Delta
Wed 6/36:41 pm
BOI
- BWI
1 stop9h 04m
Delta
Deal found 5/5![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:37 pm
IAD
- BOI
2 stops11h 07m
Delta
Tue 6/29:18 pm
BOI
- IAD
2 stops12h 00m
Delta
Deal found 5/1![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:28 am
BWI
- BOI
2 stops13h 16m
Delta
Tue 6/29:18 pm
BOI
- BWI
2 stops11h 47m
Delta
Deal found 5/1![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:45 pm
DCA
- BOI
2 stops11h 01m
Delta
Wed 6/310:50 am
BOI
- DCA
2 stops9h 10m
Delta
Deal found 5/1![Delta logo]()
$273
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:45 am
BWI
- BOI
2 stops13h 35m
Southwest
Wed 6/35:15 pm
BOI
- BWI
2 stops10h 05m
Southwest
Deal found 5/3![Southwest logo]()
$279
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:35 am
PHL
- GEG
1 stop7h 42m
Delta
Wed 6/102:23 pm
GEG
- PHL
1 stop6h 35m
Delta
Deal found 5/1![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/112:10 pm
BWI
- BOI
1 stop10h 25m
Delta
Wed 6/2411:59 am
BOI
- BWI
2 stops10h 41m
Delta
Deal found 5/2![Delta logo]()
$278
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 May 6, 2026.
Search for one-way flight options from Maryland to Idaho. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Priceline deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:00 am
DCA
- BOI
1 stop7h 29m
Frontier
Deal found 5/1![Frontier logo]()
$125
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/235:43 pm
IAD
- BOI
1 stop7h 13m
United Airlines
Deal found 5/1![United Airlines logo]()
$132
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:00 am
BWI
- BOI
1 stop7h 53m
Delta
Deal found 5/1![Delta logo]()
$132
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
DCA
- BOI
1 stop8h 53m
Delta
Deal found 5/1![Delta logo]()
$132
This CheapOair deal was found by Cheapflights users on 5/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:37 pm
PHL
- GEG
1 stop17h 59m
Frontier
Deal found 5/5![Frontier logo]()
$136
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:26 pm
IAD
- BOI
2 stops8h 39m
Delta
Deal found 5/1![Delta logo]()
$137
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:10 am
BWI
- BOI
2 stops9h 08m
Delta
Deal found 4/30![Delta logo]()
$137
This Southwest deal was found by Cheapflights users on 5/4. 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 6/234:55 pm
DCA
- BOI
2 stops9h 35m
Southwest
Deal found 5/4![Southwest logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/306:00 am
IAD
- GEG
1 stop8h 42m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$138
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:45 pm
PHL
- GEG
1 stop8h 10m
Delta
Deal found 5/1![Delta logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Mon 6/18:47 pm
IAD
- BOI
2 stops17h 43m
Frontier
Deal found 5/2![Frontier logo]()
$141
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 am
IAD
- GEG
2 stops10h 18m
Delta
Deal found 5/1![Delta logo]()
$143
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $241 (Delta) |
One-way from | $125 (Priceline) |
Popular in | December |
Cheapest in | April |
Average price | $300 |
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 May 6, 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
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Wed 5/27
4:40 pm-11:55 pm
1 stop9h 15m
Boise Air Term. Gowen Fld
Mon 6/1
11:39 pm-9:11 am
1 stop7h 32m
$263
Quickest round-trip
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Sat 6/6
6:59 pm-11:46 pm
1 stop6h 47m
Boise Air Term. Gowen Fld
Wed 6/17
2:50 pm-11:26 pm
1 stop6h 36m
$263
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
Wed 7/1
4:50 pm-12:25 am
2 stops9h 35m
Boise Air Term. Gowen Fld
Tue 7/7
4:05 pm-12:50 am
1 stop6h 45m
$268
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Tue 5/26
6:08 am-12:43 pm
1 stop8h 35m
Boise Air Term. Gowen Fld
Tue 6/2
9:18 pm-11:18 am
2 stops12h 00m
$268
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Thu 5/28
2:45 pm-11:46 pm
2 stops11h 01m
Boise Air Term. Gowen Fld
Wed 6/3
5:45 am-3:28 pm
1 stop7h 43m
$268
Washington, D.C.Boise
DCA - BOI
DCABOI
Washington, D.C. Reagan-National
Tue 7/14
1:42 pm-12:05 am
2 stops12h 23m
Boise Air Term. Gowen Fld
Wed 7/22
11:42 pm-2:02 pm
2 stops12h 20m
$273
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Fri 5/29
6:30 am-12:37 pm
1 stop9h 07m
Spokane
Sat 5/30
12:30 pm-12:31 am
1 stop9h 01m
$275
PhiladelphiaSpokane
PHL - GEG
PHLGEG
Philadelphia
Tue 7/21
5:15 am-11:40 am
1 stop9h 25m
Spokane
Tue 7/28
5:37 pm-5:29 am
1 stop8h 52m
$279
PhiladelphiaSpokane
PHL - GEG
PHLGEG
Philadelphia
Wed 6/3
6:45 pm-11:58 pm
1 stop8h 13m
Spokane
Wed 6/10
7:00 am-5:35 pm
1 stop7h 35m
$279
PhiladelphiaSpokane
PHL - GEG
PHLGEG
Philadelphia
Tue 6/9
6:45 pm-11:55 pm
1 stop8h 10m
Spokane
Mon 6/15
5:30 am-5:35 pm
1 stop9h 05m
$279
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
BWI-BOI
PHL-GEG
IAD-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
BWI-BOI
PHL-GEG
How far ahead should I book a flight from Maryland to Idaho?
Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Maryland to Idaho. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 $116). 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 May 6, 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.
Overall
7.9
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Overall
7.9
Food
7.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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 May 6, 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$275 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$321 | Average$372 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$342 | Average$462 | FlexibilityNo cancel fee | On-time63% |