$126+ Cheap flights from Baltimore (BWI) 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
Mar 19 — Mar 261
1 adult, Economy
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Find cheap flights from Baltimore to Idaho with Cheapflights
1. Tell us where you want to go
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 Baltimore to IdahoExplore the most affordable flight options available from Baltimore to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 17, 2026.
Explore the most affordable flight options available from Baltimore to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 17, 2026.
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:45 am
BWI
- GEG
2 stops14h 05m
Delta
Mon 4/207:38 pm
GEG
- BWI
2 stops10h 58m
Delta
Deal found 2/16![Delta logo]()
$274
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:59 pm
BWI
- BOI
2 stops10h 45m
Delta
Tue 3/244:40 pm
BOI
- BWI
2 stops11h 11m
Delta
Deal found 2/15![Delta logo]()
$274
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
BWI
- GEG
1 stop9h 12m
Delta
Mon 5/185:36 pm
GEG
- BWI
2 stops11h 57m
Delta
Deal found 2/15![Delta logo]()
$275
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:39 am
BWI
- GEG
1 stop9h 50m
American Airlines
Tue 4/281:19 pm
GEG
- BWI
1 stop7h 37m
American Airlines
Deal found 2/14![American Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:03 am
BWI
- GEG
2 stops10h 00m
Delta
Tue 4/286:00 am
GEG
- BWI
1 stop9h 17m
Delta
Deal found 2/13![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:02 am
BWI
- JAC
1 stop7h 19m
United Airlines
Thu 3/262:33 pm
JAC
- BWI
1 stop6h 39m
United Airlines
Deal found 2/15![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:40 am
BWI
- JAC
2 stops8h 30m
Delta
Thu 3/262:41 pm
JAC
- BWI
1 stop8h 12m
Delta
Deal found 2/15![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:03 pm
BWI
- BOI
1 stop7h 26m
United Airlines
Tue 3/247:07 am
BOI
- BWI
1 stop8h 16m
United Airlines
Deal found 2/15![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:00 am
BWI
- IDA
1 stop7h 24m
United Airlines
Sat 5/22:31 pm
IDA
- BWI
1 stop6h 56m
United Airlines
Deal found 2/14![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:39 am
BWI
- GEG
1 stop9h 44m
American Airlines
Sat 5/166:34 am
GEG
- BWI
2 stops13h 35m
American Airlines
Deal found 2/16![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:45 am
BWI
- BOI
2 stops11h 24m
Delta
Tue 3/311:40 pm
BOI
- BWI
1 stop6h 34m
Delta
Deal found 2/15![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
BWI
- GEG
1 stop9h 12m
Delta
Tue 5/197:23 pm
GEG
- BWI
2 stops12h 22m
Delta
Deal found 2/15![Delta logo]()
$316
Best flights from Baltimore to IdahoDiscover carefully curated flight deals from Baltimore to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 17, 2026.
Discover carefully curated flight deals from Baltimore to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 17, 2026.
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:45 am
BWI
- GEG
2 stops14h 05m
Delta
Mon 4/207:38 pm
GEG
- BWI
2 stops10h 58m
Delta
Deal found 2/16![Delta logo]()
$274
This Expedia deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:04 pm
BWI
- GEG
1 stop7h 55m
Alaska Airlines
Tue 4/212:47 pm
GEG
- BWI
1 stop11h 57m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:39 am
BWI
- GEG
1 stop9h 50m
American Airlines
Tue 4/216:34 am
GEG
- BWI
2 stops13h 35m
American Airlines
Deal found 2/16![American Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:08 am
BWI
- IDA
2 stops11h 56m
United Airlines
Sat 5/22:31 pm
IDA
- BWI
1 stop6h 56m
United Airlines
Deal found 2/14![United Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:20 pm
BWI
- BOI
2 stops9h 10m
Southwest
Tue 4/212:00 pm
BOI
- BWI
1 stop8h 25m
Southwest
Deal found 2/14![Southwest logo]()
$351
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
BWI
- GEG
1 stop9h 12m
Delta
Mon 5/185:36 pm
GEG
- BWI
2 stops11h 57m
Delta
Deal found 2/15![Delta logo]()
$275
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:39 am
BWI
- GEG
1 stop9h 50m
American Airlines
Tue 4/286:00 am
GEG
- BWI
2 stops14h 04m
American Airlines
Deal found 2/14![American Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
BWI
- GEG
1 stop9h 12m
Delta
Sat 5/162:17 pm
GEG
- BWI
1 stop7h 11m
Delta
Deal found 2/16![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:02 am
BWI
- BOI
1 stop7h 30m
United Airlines
Tue 3/317:03 pm
BOI
- BWI
2 stops12h 59m
United Airlines
Deal found 2/15![United Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:03 am
BWI
- GEG
2 stops10h 00m
Delta
Tue 4/286:00 am
GEG
- BWI
1 stop9h 17m
Delta
Deal found 2/13![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:39 am
BWI
- GEG
1 stop9h 44m
American Airlines
Sat 5/166:34 am
GEG
- BWI
2 stops13h 35m
American Airlines
Deal found 2/16![American Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:04 am
BWI
- BOI
1 stop10h 29m
Alaska Airlines
Thu 5/77:20 pm
BOI
- BWI
1 stop8h 24m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:25 pm
BWI
- BOI
1 stop8h 00m
Southwest
Sat 5/234:50 pm
BOI
- BWI
2 stops10h 30m
Southwest
Deal found 2/15![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:00 am
BWI
- JAC
1 stop7h 17m
United Airlines
Sat 4/117:00 am
JAC
- BWI
2 stops8h 33m
United Airlines
Deal found 2/15![United Airlines logo]()
$333
This Travelocity deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:17 pm
BWI
- IDA
1 stop23h 00m
Alaska Airlines
Fri 5/154:03 pm
IDA
- BWI
1 stop21h 14m
Alaska Airlines
Deal found 2/15![Alaska Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
BWI
- GEG
1 stop9h 12m
Delta
Wed 5/205:36 pm
GEG
- BWI
2 stops12h 42m
Delta
Deal found 2/15![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:55 pm
BWI
- BOI
2 stops8h 25m
Southwest
Tue 3/317:40 am
BOI
- BWI
2 stops8h 20m
Southwest
Deal found 2/15![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:12 pm
BWI
- BOI
1 stop7h 05m
United Airlines
Mon 5/186:58 pm
BOI
- BWI
1 stop10h 22m
United Airlines
Deal found 2/14![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:15 pm
BWI
- BOI
1 stop6h 25m
Delta
Sat 5/162:25 pm
BOI
- BWI
1 stop8h 03m
Delta
Deal found 2/14![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:00 am
BWI
- IDA
1 stop7h 30m
United Airlines
Sat 3/72:35 pm
IDA
- BWI
1 stop6h 37m
United Airlines
Deal found 2/16![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:00 am
BWI
- SUN
1 stop9h 54m
American Airlines
Tue 3/177:40 am
SUN
- BWI
2 stops13h 19m
American Airlines
Deal found 2/14![American Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:46 pm
BWI
- SUN
1 stop18h 24m
Alaska Airlines
Thu 3/57:04 pm
SUN
- BWI
1 stop20h 42m
Alaska Airlines
Deal found 2/14![Alaska Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:59 pm
BWI
- BOI
1 stop8h 10m
Delta
Tue 3/247:30 pm
BOI
- BWI
2 stops13h 00m
Delta
Deal found 2/15![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:08 am
BWI
- JAC
2 stops11h 45m
United Airlines
Sat 4/187:00 am
JAC
- BWI
2 stops8h 33m
United Airlines
Deal found 2/16![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:45 am
BWI
- BOI
2 stops11h 24m
Delta
Tue 3/315:30 am
BOI
- BWI
2 stops10h 39m
Delta
Deal found 2/15![Delta logo]()
$317
This Orbitz deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 5/287:27 pm
BWI
- IDA
1 stop22h 04m
Alaska Airlines
Mon 6/14:08 pm
IDA
- BWI
1 stop21h 31m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:00 am
BWI
- SUN
1 stop7h 44m
United Airlines
Wed 4/12:24 pm
SUN
- BWI
1 stop7h 00m
United Airlines
Deal found 2/14![United Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
BWI
- IDA
1 stop8h 13m
American Airlines
Sat 4/187:48 am
IDA
- BWI
2 stops13h 21m
American Airlines
Deal found 2/14![American Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:18 am
BWI
- BOI
2 stops10h 42m
Delta
Thu 5/78:55 pm
BOI
- BWI
2 stops11h 50m
Delta
Deal found 2/16![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/14:09 pm
BWI
- SUN
1 stop7h 10m
United Airlines
Thu 3/53:48 pm
SUN
- BWI
2 stops11h 17m
United Airlines
Deal found 2/14![United Airlines logo]()
$406
Last-minute flights from Baltimore to IdahoDiscover last-minute flight deals from Baltimore to Idaho. Data last updated February 17, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Idaho. Data last updated February 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:59 pm
BWI
- BOI
2 stops10h 45m
Delta
Tue 3/244:40 pm
BOI
- BWI
2 stops11h 11m
Delta
Deal found 2/15![Delta logo]()
$274
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:03 pm
BWI
- BOI
1 stop7h 26m
United Airlines
Tue 3/247:07 am
BOI
- BWI
1 stop8h 16m
United Airlines
Deal found 2/15![United Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:00 am
BWI
- SUN
1 stop9h 54m
American Airlines
Tue 3/171:27 pm
SUN
- BWI
1 stop6h 33m
American Airlines
Deal found 2/16![American Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:45 am
BWI
- BOI
2 stops11h 24m
Delta
Tue 3/311:40 pm
BOI
- BWI
1 stop6h 34m
Delta
Deal found 2/15![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:02 am
BWI
- BOI
1 stop7h 30m
United Airlines
Tue 3/317:03 pm
BOI
- BWI
2 stops12h 59m
United Airlines
Deal found 2/15![United Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:00 am
BWI
- BOI
1 stop10h 00m
American Airlines
Tue 3/311:35 pm
BOI
- BWI
1 stop7h 24m
American Airlines
Deal found 2/15![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/188:38 am
BWI
- JAC
1 stop6h 52m
Delta
Sat 3/282:41 pm
JAC
- BWI
1 stop8h 12m
Delta
Deal found 2/14![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:01 am
BWI
- BOI
2 stops13h 42m
Delta
Tue 3/247:30 pm
BOI
- BWI
2 stops13h 00m
Delta
Deal found 2/16![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” 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 3/187:01 am
BWI
- BOI
2 stops10h 59m
Delta
Thu 3/267:30 pm
BOI
- BWI
2 stops13h 00m
Delta
Deal found 2/13![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:02 am
BWI
- JAC
1 stop7h 19m
United Airlines
Thu 3/262:33 pm
JAC
- BWI
1 stop6h 39m
United Airlines
Deal found 2/15![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:40 am
BWI
- JAC
2 stops8h 30m
Delta
Thu 3/262:41 pm
JAC
- BWI
1 stop8h 12m
Delta
Deal found 2/15![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:40 am
BWI
- JAC
2 stops8h 30m
Delta
Fri 3/272:41 pm
JAC
- BWI
1 stop8h 12m
Delta
Deal found 2/15![Delta logo]()
$333
One-way flights from Baltimore to IdahoSearch for one-way flight options from Baltimore to Idaho. Find affordable one-way fares based on user searches. Data last updated February 17, 2026.
Search for one-way flight options from Baltimore to Idaho. Find affordable one-way fares based on user searches. Data last updated February 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:05 am
BWI
- BOI
2 stops31h 03m
Frontier
Deal found 2/13![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:19 pm
BWI
- BOI
2 stops22h 01m
Frontier
Deal found 2/15![Frontier logo]()
$138
This American Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:39 am
BWI
- BOI
1 stop9h 10m
American Airlines
Deal found 2/13![American Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:56 am
BWI
- GEG
2 stops13h 53m
Delta
Deal found 2/15![Delta logo]()
$157
This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:21 pm
BWI
- GEG
1 stop8h 51m
American Airlines
Deal found 2/15![American Airlines logo]()
$169
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/164:03 pm
BWI
- BOI
1 stop8h 40m
United Airlines
Deal found 2/16![United Airlines logo]()
$169
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:05 am
BWI
- SUN
1 stop7h 48m
United Airlines
Deal found 2/16![United Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:40 pm
BWI
- BOI
2 stops41h 28m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$175
This Southwest deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:50 am
BWI
- GEG
1 stop9h 55m
Southwest
Deal found 2/16![Southwest logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:40 pm
BWI
- BOI
2 stops41h 40m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:19 pm
BWI
- GEG
2 stops22h 02m
Frontier
Deal found 2/16![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
BWI
- BOI
3 stops30h 08m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$182
Find flight deals from Baltimore to Idaho
Keep the following information in mind while searching for Baltimore to Idaho flight deals. Data was last updated February 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $274 (Delta) |
One-way from | $126 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $405 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore 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 February 17, 2026.
Use the filters below to find and compare flights from Baltimore to Idaho that are best for you.
Fly from
Baltimore
Fly to
Idaho
Route
Depart
Return
Price
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Tue 4/7
11:45 am-10:50 pm
2 stops14h 05m
Spokane
Mon 4/20
7:38 pm-9:36 am
2 stops10h 58m
$274
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Sat 5/9
7:00 am-1:12 pm
1 stop9h 12m
Spokane
Mon 5/18
5:36 pm-8:33 am
2 stops11h 57m
$275
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Tue 4/7
7:04 pm-11:59 pm
1 stop7h 55m
Spokane
Tue 4/21
2:47 pm-5:44 am
1 stop11h 57m
$277
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Sat 5/9
7:00 am-1:12 pm
1 stop9h 12m
Spokane
Sat 5/16
2:17 pm-12:28 am
1 stop7h 11m
$277
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Tue 4/7
5:39 am-12:29 pm
1 stop9h 50m
Spokane
Tue 4/21
6:34 am-11:09 pm
2 stops13h 35m
$282
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Tue 4/21
5:39 am-12:29 pm
1 stop9h 50m
Spokane
Tue 4/28
6:00 am-11:04 pm
2 stops14h 04m
$282
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Tue 4/21
6:03 am-1:03 pm
2 stops10h 00m
Spokane
Tue 4/28
6:00 am-6:17 pm
1 stop9h 17m
$282
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
Sat 5/9
7:00 am-1:12 pm
1 stop9h 12m
Spokane
Wed 5/20
5:36 pm-9:18 am
2 stops12h 42m
$295
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
Tue 5/12
7:15 pm-11:40 pm
1 stop6h 25m
Boise Air Term. Gowen Fld
Sat 5/16
2:25 pm-12:28 am
1 stop8h 03m
$307
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
Tue 3/10
2:59 pm-9:09 pm
1 stop8h 10m
Boise Air Term. Gowen Fld
Tue 3/24
7:30 pm-10:30 am
2 stops13h 00m
$310
Showing 1-10 of 60 results
Best time to book a flight from Baltimore to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Baltimore with our price prediction graph.
BWI-BOI
BWI-JAC
BWI-SUN
BWI-GEG
BWI-IDA
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 Baltimore to Idaho
BWI-USID
BWI-BOI
BWI-JAC
BWI-SUN
BWI-GEG
What is the cheapest month to book a flight from Baltimore to Idaho?
Currently, September is the cheapest month in which you can book a flight from Baltimore to Idaho (average of $150). Flying from Baltimore to Idaho in February is currently the most expensive (average of $310). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated February 17, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Baltimore to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Food
7.1
Overall
8.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Baltimore 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 Baltimore to Idaho by cabin class
Find flights from Baltimore to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Idaho flights
Browse other Baltimore and Idaho flight options. Last updated on February 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baltimore to Idaho flights
Consider these flights traveling from Baltimore to Idaho.
Top 4 airlines flying from Baltimore to Idaho
Discover the top 4 airlines that operate flights from Baltimore 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 February 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$445 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$275 | Average$605 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$321 | Average$372 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$342 | Average$486 | FlexibilityNo cancel fee | On-time63% |