$152+ Cheap flights from Idaho to Baltimore (BWI)
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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
Aug 30 — Sep 61
Round-trip
1 adult, Economy
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Cheapest flights from Idaho to BaltimoreExplore the most affordable flight options available from Idaho to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.
Explore the most affordable flight options available from Idaho to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
BOI
- BWI
1 stop7h 40m
Alaska Airlines
Wed 9/27:50 am
BWI
- BOI
2 stops14h 30m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$278
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:05 am
BOI
- BWI
1 stop10h 15m
Southwest
Sat 10/312:55 pm
BWI
- BOI
1 stop9h 55m
Southwest
Deal found 7/30![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/2010:25 am
BOI
- BWI
1 stop11h 00m
Southwest
Wed 8/263:15 pm
BWI
- BOI
1 stop10h 05m
Southwest
Deal found 7/27![Southwest logo]()
$308
This Expedia deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Fri 9/252:16 pm
BOI
- BWI
1 stop14h 14m
Alaska Airlines
Sat 9/267:50 am
BWI
- BOI
2 stops14h 30m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 7/30. 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.
Thu 8/2711:10 pm
BOI
- BWI
1 stop9h 47m
Delta
Thu 9/32:18 pm
BWI
- BOI
1 stop9h 39m
Delta
Deal found 7/30![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:30 pm
BOI
- BWI
2 stops9h 45m
Southwest
Thu 11/59:40 pm
BWI
- BOI
1 stop14h 10m
Southwest
Deal found 7/30![Southwest logo]()
$314
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 11/92:35 pm
GEG
- BWI
1 stop7h 15m
Southwest
Tue 11/106:05 am
BWI
- GEG
1 stop9h 50m
Southwest
Deal found 7/28![Southwest logo]()
$314
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:10 pm
BOI
- BWI
1 stop8h 35m
Southwest
Mon 8/244:10 pm
BWI
- BOI
2 stops9h 25m
Southwest
Deal found 7/30![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:56 pm
GEG
- BWI
1 stop7h 23m
Delta
Tue 8/257:39 am
BWI
- GEG
1 stop7h 45m
Delta
Deal found 7/28![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/312:24 pm
BOI
- BWI
1 stop8h 36m
United Airlines
Sat 9/126:05 am
BWI
- BOI
1 stop7h 19m
United Airlines
Deal found 7/27![United Airlines logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
BOI
- BWI
1 stop7h 40m
Alaska Airlines
Tue 9/227:15 pm
BWI
- BOI
1 stop16h 41m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 11/62:35 pm
GEG
- BWI
1 stop7h 15m
Southwest
Tue 11/106:05 am
BWI
- GEG
1 stop9h 50m
Southwest
Deal found 7/29![Southwest logo]()
$323
Best flights from Idaho to BaltimoreDiscover carefully curated flight deals from Idaho to Baltimore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2026.
Discover carefully curated flight deals from Idaho to Baltimore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2026.
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/296:44 pm
BOI
- BWI
1 stop9h 34m
Delta
Sat 10/36:10 am
BWI
- BOI
2 stops11h 06m
Delta
Deal found 7/31![Delta logo]()
$308
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 11/210:30 am
BOI
- BWI
2 stops12h 05m
Southwest
Thu 11/510:35 am
BWI
- BOI
1 stop15h 15m
Southwest
Deal found 7/31![Southwest logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
BOI
- BWI
1 stop7h 40m
Alaska Airlines
Tue 9/227:15 pm
BWI
- BOI
1 stop16h 41m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:24 pm
BOI
- BWI
1 stop8h 36m
United Airlines
Sun 8/306:05 am
BWI
- BOI
1 stop7h 23m
United Airlines
Deal found 7/27![United Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 8/212:20 pm
IDA
- BWI
1 stop7h 21m
American Airlines
Mon 8/247:03 am
BWI
- IDA
1 stop8h 06m
American Airlines
Deal found 7/30![American Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:56 pm
GEG
- BWI
1 stop7h 23m
Delta
Tue 8/257:39 am
BWI
- GEG
1 stop7h 45m
Delta
Deal found 7/29![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/51:40 pm
GEG
- BWI
1 stop13h 55m
Southwest
Sat 9/126:30 am
BWI
- GEG
1 stop8h 35m
Southwest
Deal found 7/27![Southwest logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/245:52 pm
BOI
- BWI
1 stop10h 38m
Alaska Airlines
Mon 9/284:43 pm
BWI
- BOI
1 stop9h 12m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
GEG
- BWI
2 stops8h 10m
Southwest
Mon 9/75:20 pm
BWI
- GEG
1 stop8h 25m
Southwest
Deal found 7/28![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:06 pm
GEG
- BWI
1 stop8h 12m
Delta
Tue 9/297:15 pm
BWI
- GEG
1 stop6h 39m
Delta
Deal found 7/27![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/247:24 pm
GEG
- BWI
1 stop17h 16m
Alaska Airlines
Sun 9/277:50 am
BWI
- GEG
1 stop7h 49m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/252:55 pm
BOI
- BWI
1 stop6h 25m
Southwest
Sat 9/268:50 am
BWI
- BOI
1 stop7h 55m
Southwest
Deal found 7/28![Southwest logo]()
$336
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:28 pm
BOI
- BWI
2 stops13h 07m
Delta
Sun 8/305:36 pm
BWI
- BOI
2 stops8h 23m
Delta
Deal found 7/27![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/18:00 am
JAC
- BWI
2 stops11h 29m
United Airlines
Sun 9/68:30 am
BWI
- JAC
1 stop8h 58m
United Airlines
Deal found 7/28![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/126:10 am
BOI
- BWI
1 stop9h 00m
Southwest
Mon 9/143:15 pm
BWI
- BOI
2 stops10h 25m
Southwest
Deal found 7/29![Southwest logo]()
$336
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:31 am
GEG
- BWI
1 stop18h 59m
Alaska Airlines
Tue 9/17:15 pm
BWI
- GEG
1 stop7h 44m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:00 pm
GEG
- BWI
1 stop9h 40m
Delta
Wed 12/27:00 am
BWI
- GEG
1 stop8h 03m
Delta
Deal found 7/28![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 11/66:25 am
GEG
- BWI
2 stops10h 40m
Southwest
Tue 11/1010:40 am
BWI
- GEG
2 stops12h 10m
Southwest
Deal found 7/29![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:25 pm
JAC
- BWI
1 stop6h 43m
United Airlines
Sat 11/710:10 am
BWI
- JAC
2 stops12h 47m
United Airlines
Deal found 7/29![United Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:59 pm
JAC
- BWI
2 stops12h 45m
American Airlines
Tue 11/36:49 am
BWI
- JAC
1 stop7h 50m
American Airlines
Deal found 7/27![American Airlines logo]()
$500
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/185:14 pm
GEG
- BWI
1 stop10h 04m
Delta
Sun 9/206:15 am
BWI
- GEG
1 stop8h 55m
Delta
Deal found 7/31![Delta logo]()
$368
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 10/2012:20 pm
JAC
- BWI
1 stop8h 39m
United Airlines
Fri 10/2312:10 pm
BWI
- JAC
2 stops10h 36m
United Airlines
Deal found 7/28![United Airlines logo]()
$456
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:45 pm
BOI
- BWI
2 stops14h 55m
Southwest
Mon 10/197:25 pm
BWI
- BOI
1 stop7h 35m
Southwest
Deal found 7/30![Southwest logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/92:01 pm
IDA
- BWI
1 stop14h 29m
Alaska Airlines
Fri 9/114:43 pm
BWI
- IDA
1 stop22h 41m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 11/102:35 pm
IDA
- BWI
1 stop6h 33m
United Airlines
Sat 11/148:23 am
BWI
- IDA
1 stop7h 05m
United Airlines
Deal found 7/27![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 10/266:56 pm
IDA
- BWI
1 stop8h 49m
Delta
Fri 10/307:00 am
BWI
- IDA
1 stop7h 22m
Delta
Deal found 7/27![Delta logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 11/106:04 am
IDA
- BWI
1 stop9h 08m
Alaska Airlines
Sat 11/147:00 am
BWI
- IDA
1 stop10h 17m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:15 am
GEG
- BWI
2 stops9h 50m
Southwest
Tue 9/86:30 am
BWI
- GEG
1 stop6h 45m
Southwest
Deal found 7/29![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/217:00 pm
IDA
- BWI
2 stops12h 58m
Delta
Mon 8/247:39 am
BWI
- IDA
1 stop8h 56m
Delta
Deal found 7/27![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/128:05 am
JAC
- BWI
2 stops11h 24m
United Airlines
Sun 8/168:30 am
BWI
- JAC
1 stop8h 58m
United Airlines
Deal found 7/28![United Airlines logo]()
$508
Last-minute flights from Idaho to BaltimoreDiscover last-minute flight deals from Idaho to Baltimore. Data last updated July 31, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Baltimore. Data last updated July 31, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/2010:25 am
BOI
- BWI
1 stop11h 00m
Southwest
Wed 8/263:15 pm
BWI
- BOI
1 stop10h 05m
Southwest
Deal found 7/27![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:10 pm
BOI
- BWI
1 stop8h 35m
Southwest
Mon 8/244:10 pm
BWI
- BOI
2 stops9h 25m
Southwest
Deal found 7/30![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:56 pm
GEG
- BWI
1 stop7h 23m
Delta
Wed 8/267:39 am
BWI
- GEG
1 stop7h 45m
Delta
Deal found 7/29![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/205:10 pm
GEG
- BWI
1 stop10h 20m
Southwest
Wed 8/263:15 pm
BWI
- GEG
2 stops10h 10m
Southwest
Deal found 7/29![Southwest logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/2012:49 pm
GEG
- BWI
1 stop23h 51m
Alaska Airlines
Tue 8/257:50 am
BWI
- GEG
2 stops17h 59m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/217:00 pm
IDA
- BWI
1 stop9h 20m
Delta
Mon 8/247:39 am
BWI
- IDA
1 stop8h 56m
Delta
Deal found 7/27![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
BOI
- BWI
1 stop7h 40m
Alaska Airlines
Wed 9/27:50 am
BWI
- BOI
2 stops14h 30m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/266:45 pm
BOI
- BWI
1 stop9h 35m
Delta
Wed 9/27:00 am
BWI
- BOI
1 stop7h 49m
Delta
Deal found 7/29![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 7/30. 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.
Thu 8/2711:10 pm
BOI
- BWI
1 stop9h 47m
Delta
Thu 9/32:18 pm
BWI
- BOI
1 stop9h 39m
Delta
Deal found 7/30![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:28 pm
BOI
- BWI
2 stops13h 07m
Delta
Sun 8/305:36 pm
BWI
- BOI
2 stops8h 23m
Delta
Deal found 7/27![Delta logo]()
$346
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:15 pm
GEG
- BWI
1 stop12h 20m
Southwest
Sat 9/52:55 pm
BWI
- GEG
2 stops9h 05m
Southwest
Deal found 7/29![Southwest logo]()
$330
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:40 am
GEG
- BWI
2 stops9h 05m
American Airlines
Tue 9/17:03 am
BWI
- GEG
1 stop9h 34m
American Airlines
Deal found 7/29![American Airlines logo]()
$360
One-way flights from Idaho to BaltimoreSearch for one-way flight options from Idaho to Baltimore. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
Search for one-way flight options from Idaho to Baltimore. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:10 pm
BOI
- BWI
1 stop8h 09m
Delta
Deal found 7/31![Delta logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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.
Tue 8/181:24 pm
BOI
- BWI
2 stops48h 49m
Frontier
Deal found 7/27![Frontier logo]()
$160
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 10/105:09 pm
GEG
- BWI
1 stop9h 36m
Delta
Deal found 7/29![Delta logo]()
$160
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 11/77:00 am
GEG
- BWI
2 stops13h 08m
United Airlines
Deal found 7/30![United Airlines logo]()
$165
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:40 pm
BOI
- BWI
1 stop12h 50m
Southwest
Deal found 7/27![Southwest logo]()
$168
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/287:15 pm
GEG
- BWI
1 stop8h 05m
Delta
Deal found 7/27![Delta logo]()
$169
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:15 am
GEG
- BWI
1 stop11h 10m
Southwest
Deal found 7/28![Southwest logo]()
$174
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/187:06 pm
GEG
- BWI
1 stop8h 12m
Delta
Deal found 7/31![Delta logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Sun 10/113:52 pm
BOI
- BWI
2 stops20h 42m
Frontier
Deal found 7/29![Frontier logo]()
$180
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:55 am
GEG
- BWI
2 stops13h 30m
Southwest
Deal found 7/26![Southwest logo]()
$180
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:55 am
GEG
- BWI
2 stops9h 35m
Southwest
Deal found 7/28![Southwest logo]()
$184
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/156:00 am
BOI
- BWI
2 stops9h 55m
Southwest
Deal found 7/29![Southwest logo]()
$185
Find flight deals from Idaho to Baltimore
Keep the following information in mind while searching for Idaho to Baltimore flight deals. Data was last updated July 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $278 (Alaska Airlines) |
One-way from | $152 (Delta) |
Popular in | July |
Cheapest in | February |
Average price | $667 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Baltimore 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 July 31, 2026.
Use the filters below to find and compare flights from Idaho to Baltimore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Tue 9/29
6:44 pm-6:18 am
1 stop9h 34m
Baltimore/Washington
Sat 10/3
6:10 am-3:16 pm
2 stops11h 06m
$308
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Mon 11/2
10:30 am-12:35 am
2 stops12h 05m
Baltimore/Washington
Thu 11/5
10:35 am-11:50 pm
1 stop15h 15m
$314
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Thu 8/20
10:56 pm-9:19 am
1 stop7h 23m
Baltimore/Washington
Tue 8/25
7:39 am-12:24 pm
1 stop7h 45m
$319
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Sat 9/5
1:40 pm-6:35 am
1 stop13h 55m
Baltimore/Washington
Sat 9/12
6:30 am-12:05 pm
1 stop8h 35m
$324
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Sat 9/19
6:00 am-3:40 pm
1 stop7h 40m
Baltimore/Washington
Tue 9/22
7:15 pm-9:56 am
1 stop16h 41m
$331
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Thu 9/3
6:00 am-5:10 pm
2 stops8h 10m
Baltimore/Washington
Mon 9/7
5:20 pm-10:45 pm
1 stop8h 25m
$333
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Thu 8/27
12:24 pm-11:00 pm
1 stop8h 36m
Baltimore/Washington
Sun 8/30
6:05 am-11:28 am
1 stop7h 23m
$336
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Fri 9/25
2:55 pm-11:20 pm
1 stop6h 25m
Baltimore/Washington
Sat 9/26
8:50 am-2:45 pm
1 stop7h 55m
$336
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Sat 9/12
6:10 am-5:10 pm
1 stop9h 00m
Baltimore/Washington
Mon 9/14
3:15 pm-11:40 pm
2 stops10h 25m
$336
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Fri 11/6
6:25 am-8:05 pm
2 stops10h 40m
Baltimore/Washington
Tue 11/10
10:40 am-7:50 pm
2 stops12h 10m
$338
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Baltimore
Have a flexible travel schedule? Discover the best time to fly to Baltimore from Idaho with our price prediction graph.
BOI-BWI
IDA-BWI
GEG-BWI
JAC-BWI
TWF-BWI
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 Baltimore
USID-BWI
BOI-BWI
IDA-BWI
GEG-BWI
JAC-BWI
What is the cheapest month to book a flight from Idaho to Baltimore?
Currently, March is the cheapest month in which you can book a flight from Idaho to Baltimore (average of $340). Flying from Idaho to Baltimore in November is currently the most expensive (average of $825). 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 Baltimore?
Airfare is below average for this route at the moment.
Idaho to Baltimore flights typically cost between $288 and $436 in August.The cheapest round-trip price found within the last 5 days was $278 on Alaska Airlines (Aug 26-Sep 2).
Related info for your journey
Find useful and relevant information for your journey from Idaho to Baltimore. 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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Complete your trip
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Top destinations
Alternative routes for Idaho to Baltimore
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Baltimore by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Baltimore by cabin class
Find flights from Idaho to Baltimore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Baltimore flights
Browse other Idaho and Baltimore flight options. Last updated on July 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Idaho to Baltimore flights
Consider these flights traveling from Idaho to Baltimore.
Top 3 airlines flying from Idaho to Baltimore
Discover the top 3 airlines that operate flights from Idaho to Baltimore. 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 July 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$283 | Average$535 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$436 | FlexibilityNo cancel fee | On-time63% |