$105+ Cheap flights from Idaho to Maryland
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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Cheapest flights from Idaho to MarylandExplore the most affordable flight options available from Idaho to Maryland. 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 Idaho to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:25 pm
BOI
- DCA
1 stop25h 34m
Frontier
Sun 6/77:00 am
DCA
- BOI
1 stop7h 38m
Frontier
Deal found 5/2![Frontier logo]()
$235
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:33 pm
GEG
- DCA
1 stop21h 26m
Frontier
Sun 6/146:00 pm
DCA
- GEG
1 stop20h 36m
Frontier
Deal found 5/3![Frontier logo]()
$236
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:25 pm
BOI
- DCA
1 stop6h 33m
Frontier
Tue 6/27:00 am
DCA
- BOI
1 stop7h 30m
Frontier
Deal found 5/4![Frontier logo]()
$250
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 6/71:33 pm
BOI
- PHL
1 stop14h 04m
Frontier
Mon 6/158:37 pm
PHL
- BOI
1 stop17h 53m
Frontier
Deal found 5/4![Frontier logo]()
$252
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:44 pm
BOI
- IAD
1 stop6h 40m
United Airlines
Sat 9/262:43 pm
IAD
- BOI
1 stop8h 48m
United Airlines
Deal found 5/6![United Airlines 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.
Tue 9/226:00 am
BOI
- DCA
1 stop7h 40m
Delta
Sat 9/265:00 pm
DCA
- BOI
1 stop8h 56m
Delta
Deal found 5/5![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:40 am
BOI
- BWI
1 stop6h 15m
Delta
Tue 9/226:19 am
BWI
- BOI
1 stop9h 44m
Delta
Deal found 5/6![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.
Wed 5/279:16 pm
BOI
- IAD
2 stops12h 02m
Delta
Tue 6/23:08 pm
IAD
- BOI
1 stop9h 20m
Delta
Deal found 5/5![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.
Sat 9/195:40 am
BOI
- DCA
1 stop6h 17m
Delta
Tue 9/226:00 am
DCA
- BOI
2 stops10h 03m
Delta
Deal found 5/5![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.
Wed 5/279:16 pm
BOI
- BWI
2 stops11h 49m
Delta
Tue 6/24:51 pm
BWI
- BOI
1 stop7h 37m
Delta
Deal found 5/5![Delta logo]()
$268
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.
Thu 5/281:25 pm
BOI
- DCA
1 stop6h 33m
Frontier
Sun 6/77:00 am
DCA
- BOI
1 stop7h 38m
Frontier
Deal found 5/4![Frontier logo]()
$270
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:11 pm
BOI
- IAD
2 stops13h 27m
American Airlines
Tue 9/292:46 pm
IAD
- BOI
1 stop9h 31m
American Airlines
Deal found 5/4![American Airlines logo]()
$271
Best flights from Idaho to MarylandDiscover carefully curated flight deals from Idaho to Maryland 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 Idaho to Maryland 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 5/3. 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.
Wed 7/810:48 pm
GEG
- IAD
1 stop7h 38m
Delta
Tue 7/143:02 pm
IAD
- GEG
1 stop9h 31m
Delta
Deal found 5/3![Delta logo]()
$275
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.
Tue 9/226:00 am
GEG
- IAD
1 stop9h 14m
Alaska Airlines
Wed 9/237:00 am
IAD
- GEG
1 stop8h 39m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:00 pm
BOI
- BWI
1 stop8h 25m
Southwest
Mon 6/87:30 pm
BWI
- BOI
1 stop7h 40m
Southwest
Deal found 5/6![Southwest logo]()
$326
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 9/24:10 pm
IDA
- IAD
1 stop6h 30m
United Airlines
Mon 9/76:30 am
IAD
- IDA
1 stop8h 54m
United Airlines
Deal found 5/3![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:30 am
GEG
- BWI
2 stops12h 20m
American Airlines
Mon 9/143:48 pm
BWI
- GEG
1 stop7h 59m
American Airlines
Deal found 5/6![American Airlines logo]()
$375
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:25 am
GEG
- DCA
1 stop6h 56m
Delta
Wed 8/56:00 am
DCA
- GEG
1 stop8h 28m
Delta
Deal found 5/4![Delta logo]()
$275
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 7/82:26 pm
GEG
- DCA
1 stop6h 30m
Delta
Tue 7/146:59 pm
DCA
- GEG
1 stop7h 07m
Delta
Deal found 5/1![Delta logo]()
$275
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.
Tue 9/225:09 am
GEG
- BWI
1 stop7h 25m
Alaska Airlines
Wed 9/234:34 pm
BWI
- GEG
1 stop9h 40m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$328
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 6/410:40 pm
GEG
- PHL
1 stop7h 47m
Delta
Tue 6/96:45 pm
PHL
- GEG
1 stop8h 10m
Delta
Deal found 5/5![Delta logo]()
$279
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:30 am
BOI
- PHL
1 stop7h 35m
Southwest
Mon 8/245:25 am
PHL
- BOI
1 stop7h 25m
Southwest
Deal found 5/1![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:30 pm
GEG
- PHL
1 stop9h 59m
Delta
Tue 7/215:15 am
PHL
- GEG
1 stop9h 25m
Delta
Deal found 5/6![Delta logo]()
$279
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.
Thu 9/245:09 am
GEG
- BWI
1 stop7h 25m
Alaska Airlines
Sun 9/277:50 am
BWI
- GEG
1 stop7h 49m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$348
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 7/224:05 pm
BOI
- PHL
1 stop6h 55m
Southwest
Mon 7/274:45 pm
PHL
- BOI
2 stops10h 25m
Southwest
Deal found 5/4![Southwest logo]()
$354
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:41 am
BOI
- PHL
2 stops12h 18m
United Airlines
Wed 6/36:00 am
PHL
- BOI
1 stop9h 08m
United Airlines
Deal found 5/2![United Airlines logo]()
$394
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 7/712:35 pm
GEG
- DCA
1 stop8h 21m
Delta
Tue 7/212:45 pm
DCA
- GEG
2 stops12h 10m
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.
Fri 9/116:00 am
GEG
- IAD
1 stop9h 14m
Alaska Airlines
Sun 9/137:00 am
IAD
- GEG
1 stop8h 39m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$351
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.
Sat 5/303:25 pm
BOI
- BWI
1 stop12h 20m
Southwest
Fri 6/57:30 pm
BWI
- BOI
1 stop7h 40m
Southwest
Deal found 5/4![Southwest logo]()
$359
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 6/210:40 pm
GEG
- DCA
1 stop7h 31m
Delta
Tue 6/96:00 am
DCA
- GEG
2 stops9h 15m
Delta
Deal found 5/5![Delta logo]()
$280
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.
Thu 7/22:41 pm
BOI
- IAD
1 stop8h 04m
United Airlines
Mon 7/66:10 am
IAD
- BOI
1 stop7h 22m
United Airlines
Deal found 5/1![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:05 pm
BOI
- PHL
1 stop6h 55m
Southwest
Tue 6/304:35 pm
PHL
- BOI
2 stops9h 50m
Southwest
Deal found 5/6![Southwest logo]()
$364
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 5/236:00 am
IDA
- IAD
1 stop8h 38m
Alaska Airlines
Tue 5/266:00 am
IAD
- IDA
1 stop11h 26m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$374
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 9/226:00 am
BOI
- BWI
2 stops10h 09m
Delta
Sat 9/264:39 pm
BWI
- BOI
2 stops9h 17m
Delta
Deal found 5/5![Delta logo]()
$283
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 8/284:10 pm
IDA
- IAD
1 stop6h 30m
United Airlines
Tue 9/16:30 am
IAD
- IDA
1 stop8h 54m
United Airlines
Deal found 5/5![United Airlines logo]()
$449
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 7/156:42 pm
BOI
- PHL
2 stops11h 59m
Delta
Mon 7/276:57 pm
PHL
- BOI
1 stop6h 49m
Delta
Deal found 5/5![Delta logo]()
$284
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.
Mon 6/158:45 am
BOI
- DCA
1 stop9h 10m
Southwest
Wed 6/174:55 pm
DCA
- BOI
2 stops9h 35m
Southwest
Deal found 5/5![Southwest logo]()
$397
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
IDA
- IAD
1 stop8h 35m
Alaska Airlines
Mon 6/16:00 am
IAD
- IDA
1 stop11h 26m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$399
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:38 pm
BOI
- DCA
1 stop8h 16m
United Airlines
Mon 7/66:30 am
DCA
- BOI
1 stop7h 02m
United Airlines
Deal found 5/2![United Airlines logo]()
$461
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:42 pm
BOI
- PHL
2 stops11h 59m
Delta
Wed 7/295:15 am
PHL
- BOI
2 stops10h 29m
Delta
Deal found 5/4![Delta logo]()
$290
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:15 pm
BOI
- BWI
2 stops10h 05m
Southwest
Wed 6/104:55 pm
BWI
- BOI
2 stops9h 30m
Southwest
Deal found 5/6![Southwest logo]()
$405
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.
Tue 6/26:07 pm
BOI
- PHL
1 stop9h 28m
Alaska Airlines
Wed 6/34:45 pm
PHL
- BOI
1 stop9h 13m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$414
Last-minute flights from Idaho to MarylandDiscover last-minute flight deals from Idaho to Maryland. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Maryland. Data last updated May 6, 2026 and is based on user searches.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:39 pm
BOI
- BWI
1 stop9h 05m
Delta
Sat 6/67:00 am
BWI
- BOI
1 stop7h 43m
Delta
Deal found 5/4![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.
Wed 5/279:16 pm
BOI
- IAD
2 stops12h 02m
Delta
Tue 6/23:08 pm
IAD
- BOI
1 stop9h 20m
Delta
Deal found 5/5![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.
Wed 5/279:16 pm
BOI
- BWI
2 stops11h 49m
Delta
Tue 6/24:51 pm
BWI
- BOI
1 stop7h 37m
Delta
Deal found 5/5![Delta logo]()
$268
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:25 pm
BOI
- DCA
1 stop6h 33m
Frontier
Tue 6/27:00 am
DCA
- BOI
1 stop7h 30m
Frontier
Deal found 5/4![Frontier logo]()
$250
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:39 pm
BOI
- IAD
1 stop7h 37m
Delta
Sat 6/66:08 am
IAD
- BOI
1 stop8h 35m
Delta
Deal found 5/4![Delta logo]()
$263
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:50 am
BOI
- DCA
2 stops10h 38m
Delta
Tue 6/24:40 pm
DCA
- BOI
1 stop9h 13m
Delta
Deal found 5/4![Delta logo]()
$268
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.
Thu 5/281:25 pm
BOI
- DCA
1 stop6h 33m
Frontier
Sun 6/77:00 am
DCA
- BOI
1 stop7h 38m
Frontier
Deal found 5/4![Frontier logo]()
$270
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:50 am
BOI
- DCA
2 stops10h 38m
Delta
Wed 6/32:45 pm
DCA
- BOI
2 stops12h 03m
Delta
Deal found 5/4![Delta logo]()
$273
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:25 pm
BOI
- DCA
1 stop25h 34m
Frontier
Sun 6/77:00 am
DCA
- BOI
1 stop7h 38m
Frontier
Deal found 5/2![Frontier logo]()
$235
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.
Tue 6/22:11 pm
GEG
- DCA
1 stop6h 48m
American Airlines
Tue 6/97:40 am
DCA
- GEG
1 stop8h 31m
American Airlines
Deal found 5/5![American Airlines logo]()
$275
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:33 pm
GEG
- DCA
1 stop21h 26m
Frontier
Sun 6/146:00 pm
DCA
- GEG
1 stop20h 36m
Frontier
Deal found 5/3![Frontier logo]()
$236
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 6/71:33 pm
BOI
- PHL
1 stop14h 04m
Frontier
Mon 6/158:37 pm
PHL
- BOI
1 stop17h 53m
Frontier
Deal found 5/4![Frontier logo]()
$252
One-way flights from Idaho to MarylandSearch for one-way flight options from Idaho to Maryland. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from Idaho to Maryland. 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.
Tue 7/281:25 pm
BOI
- DCA
1 stop6h 34m
Frontier
Deal found 5/1![Frontier logo]()
$105
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/71:33 pm
BOI
- PHL
1 stop14h 04m
Frontier
Deal found 5/2![Frontier logo]()
$116
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.
Tue 6/21:42 pm
JAC
- PHL
2 stops9h 17m
United Airlines
Deal found 5/3![United Airlines logo]()
$122
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.
Wed 6/311:35 am
JAC
- PHL
2 stops9h 37m
Delta
Deal found 5/3![Delta logo]()
$124
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:59 pm
BOI
- DCA
1 stop6h 59m
Frontier
Deal found 5/1![Frontier logo]()
$125
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- DCA
1 stop21h 34m
Frontier
Deal found 5/5![Frontier logo]()
$131
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/111:25 pm
BOI
- PHL
1 stop14h 13m
Frontier
Deal found 5/4![Frontier logo]()
$131
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2612:31 pm
GEG
- PHL
1 stop14h 07m
Frontier
Deal found 5/2![Frontier logo]()
$131
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.
Tue 7/1411:42 pm
BOI
- IAD
1 stop7h 44m
Delta
Deal found 5/1![Delta logo]()
$132
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.
Tue 7/143:10 pm
BOI
- DCA
1 stop6h 49m
American Airlines
Deal found 5/5![American Airlines logo]()
$132
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:42 pm
BOI
- BWI
1 stop9h 05m
Delta
Deal found 5/6![Delta logo]()
$132
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:25 pm
BOI
- DCA
1 stop6h 33m
Frontier
Deal found 5/5![Frontier logo]()
$135
Find flight deals from Idaho to Maryland
Keep the following information in mind while searching for Idaho to Maryland flight deals. Data was last updated May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (Expedia) |
One-way from | $105 (Priceline) |
Popular in | December |
Cheapest in | February |
Average price | $321 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Maryland 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 Idaho to Maryland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 7/8
10:48 pm-9:26 am
1 stop7h 38m
Washington, D.C. Dulles Intl
Tue 7/14
3:02 pm-9:33 pm
1 stop9h 31m
$275
SpokaneWashington, D.C.
GEG - DCA
GEGDCA
Spokane
Wed 7/29
5:25 am-3:21 pm
1 stop6h 56m
Washington, D.C. Reagan-National
Wed 8/5
6:00 am-11:28 am
1 stop8h 28m
$275
Quickest round-trip
SpokaneWashington, D.C.
GEG - DCA
GEGDCA
Spokane
Wed 7/8
2:26 pm-11:56 pm
1 stop6h 30m
Washington, D.C. Reagan-National
Tue 7/14
6:59 pm-11:06 pm
1 stop7h 07m
$275
SpokanePhiladelphia
GEG - PHL
GEGPHL
Spokane
Thu 6/4
10:40 pm-9:27 am
1 stop7h 47m
Philadelphia
Tue 6/9
6:45 pm-11:55 pm
1 stop8h 10m
$279
SpokanePhiladelphia
GEG - PHL
GEGPHL
Spokane
Thu 7/16
4:30 pm-5:29 am
1 stop9h 59m
Philadelphia
Tue 7/21
5:15 am-11:40 am
1 stop9h 25m
$279
SpokaneWashington, D.C.
GEG - DCA
GEGDCA
Spokane
Tue 7/7
12:35 pm-11:56 pm
1 stop8h 21m
Washington, D.C. Reagan-National
Tue 7/21
2:45 pm-11:55 pm
2 stops12h 10m
$280
SpokaneWashington, D.C.
GEG - DCA
GEGDCA
Spokane
Tue 6/2
10:40 pm-9:11 am
1 stop7h 31m
Washington, D.C. Reagan-National
Tue 6/9
6:00 am-12:15 pm
2 stops9h 15m
$280
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Tue 9/22
6:00 am-6:09 pm
2 stops10h 09m
Baltimore/Washington
Sat 9/26
4:39 pm-11:56 pm
2 stops9h 17m
$283
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Wed 7/15
6:42 pm-8:41 am
2 stops11h 59m
Philadelphia
Mon 7/27
6:57 pm-11:46 pm
1 stop6h 49m
$284
BoisePhiladelphia
BOI - PHL
BOIPHL
Boise Air Term. Gowen Fld
Mon 7/20
6:42 pm-8:41 am
2 stops11h 59m
Philadelphia
Wed 7/29
5:15 am-1:44 pm
2 stops10h 29m
$290
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Maryland
Have a flexible travel schedule? Discover the best time to fly to Maryland from Idaho with our price prediction graph.
GEG-IAD
BOI-BWI
IDA-IAD
GEG-BWI
GEG-DCA
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 Idaho to Maryland
USID-USMD
GEG-IAD
BOI-BWI
IDA-IAD
GEG-BWI
What is the cheapest month to book a flight from Idaho to Maryland?
Currently, March is the cheapest month in which you can book a flight from Idaho to Maryland (average of $168). Flying from Idaho to Maryland in February is currently the most expensive (average of $397). 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 Idaho to Maryland?
Reviews of airlines servicing Maryland
Get insights into the airlines that provide service to Maryland. 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 Maryland. Reviews last updated May 6, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Idaho to Maryland. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Idaho to Maryland. 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 Idaho to Maryland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Maryland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Maryland by cabin class
Find flights from Idaho to Maryland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Maryland flights
Browse other Idaho and Maryland 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 Maryland
Find the right flight back to Idaho after your stay in Maryland
Idaho to Maryland flights
Consider these flights traveling from Idaho to Maryland.
Top 3 airlines flying from Idaho to Maryland
Discover the top 3 airlines that operate flights from Idaho to Maryland. 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$222 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$283 | Average$535 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$340 | Average$436 | FlexibilityNo cancel fee | On-time63% |