$99+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
Jul 14 — Jul 211
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 June 14, 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 June 14, 2026.
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/116:45 pm
BOI
- BWI
1 stop9h 35m
Delta
Tue 8/187:39 am
BWI
- BOI
1 stop6h 35m
Delta
Deal found 6/11![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/155:20 pm
GEG
- BWI
1 stop9h 58m
Delta
Mon 9/216:05 am
BWI
- GEG
1 stop9h 48m
Delta
Deal found 6/10![Delta logo]()
$224
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/1711:10 pm
BOI
- BWI
1 stop9h 47m
Delta
Mon 8/247:39 am
BWI
- BOI
1 stop6h 35m
Delta
Deal found 6/9![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/94:55 pm
GEG
- BWI
1 stop10h 40m
Southwest
Sat 9/126:35 am
BWI
- GEG
1 stop6h 50m
Southwest
Deal found 6/10![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/311:10 pm
BOI
- BWI
1 stop8h 09m
Delta
Tue 9/87:10 am
BWI
- BOI
1 stop9h 24m
Delta
Deal found 6/10![Delta logo]()
$245
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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
Mon 8/244:10 pm
BWI
- GEG
1 stop8h 50m
Southwest
Deal found 6/10![Southwest logo]()
$246
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/192:15 pm
GEG
- BWI
1 stop13h 20m
Southwest
Tue 9/223:15 pm
BWI
- GEG
2 stops10h 10m
Southwest
Deal found 6/11![Southwest logo]()
$248
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/1411:10 pm
BOI
- BWI
1 stop8h 48m
Delta
Thu 8/206:05 am
BWI
- BOI
1 stop9h 37m
Delta
Deal found 6/10![Delta logo]()
$250
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/311:10 pm
BOI
- BWI
1 stop8h 09m
Delta
Sat 9/126:19 am
BWI
- BOI
1 stop9h 44m
Delta
Deal found 6/11![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/35:10 pm
GEG
- BWI
1 stop9h 35m
Southwest
Wed 8/125:40 pm
BWI
- GEG
1 stop8h 15m
Southwest
Deal found 6/10![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/1411:35 pm
BOI
- BWI
1 stop7h 41m
Delta
Fri 9/186:05 am
BWI
- BOI
1 stop9h 33m
Delta
Deal found 6/11![Delta logo]()
$275
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/154:55 pm
GEG
- BWI
1 stop10h 40m
Southwest
Mon 9/214:10 pm
BWI
- GEG
2 stops10h 05m
Southwest
Deal found 6/10![Southwest logo]()
$275
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 June 14, 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 June 14, 2026.
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/154:55 pm
GEG
- BWI
1 stop10h 40m
Southwest
Mon 9/214:10 pm
BWI
- GEG
2 stops10h 05m
Southwest
Deal found 6/10![Southwest logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 9/15:12 am
GEG
- BWI
1 stop7h 28m
Alaska Airlines
Sat 9/57:15 pm
BWI
- GEG
1 stop7h 44m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 6/14. 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.
Sat 9/195:20 am
BOI
- BWI
1 stop6h 43m
Delta
Tue 9/226:05 am
BWI
- BOI
1 stop9h 33m
Delta
Deal found 6/14![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/142:29 pm
GEG
- BWI
1 stop7h 04m
American Airlines
Tue 7/211:55 pm
BWI
- GEG
2 stops12h 11m
American Airlines
Deal found 6/12![American Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 11/42:35 pm
IDA
- BWI
1 stop6h 25m
United Airlines
Sat 11/74:10 pm
BWI
- IDA
1 stop6h 58m
United Airlines
Deal found 6/9![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/177:50 pm
BOI
- BWI
1 stop8h 50m
Southwest
Mon 8/246:35 am
BWI
- BOI
2 stops9h 35m
Southwest
Deal found 6/9![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/247:06 pm
GEG
- BWI
1 stop8h 12m
Delta
Sun 9/277:35 am
BWI
- GEG
1 stop7h 39m
Delta
Deal found 6/11![Delta logo]()
$296
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/101:36 pm
GEG
- BWI
1 stop13h 54m
Alaska Airlines
Mon 9/144:43 pm
BWI
- GEG
1 stop9h 28m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 6/14. 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.
Thu 9/105:15 pm
GEG
- BWI
1 stop10h 03m
Delta
Mon 9/146:05 am
BWI
- GEG
1 stop9h 48m
Delta
Deal found 6/14![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 6/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:25 am
BOI
- BWI
2 stops11h 00m
Southwest
Tue 8/255:55 pm
BWI
- BOI
1 stop7h 15m
Southwest
Deal found 6/13![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/207:08 pm
GEG
- BWI
1 stop7h 52m
Delta
Sat 7/253:04 pm
BWI
- GEG
1 stop7h 21m
Delta
Deal found 6/9![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/1410:50 am
BOI
- BWI
2 stops10h 35m
Southwest
Fri 9/186:30 am
BWI
- BOI
1 stop9h 40m
Southwest
Deal found 6/11![Southwest logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:31 am
GEG
- BWI
1 stop18h 59m
Alaska Airlines
Sun 9/134:43 pm
BWI
- GEG
1 stop9h 28m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 9/24:55 pm
GEG
- BWI
1 stop10h 40m
Southwest
Mon 9/710:20 am
BWI
- GEG
1 stop8h 15m
Southwest
Deal found 6/12![Southwest logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Mon 10/191:46 pm
IDA
- BWI
1 stop13h 34m
Alaska Airlines
Thu 10/227:00 am
BWI
- IDA
1 stop10h 35m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/14. 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.
Fri 9/111:50 pm
GEG
- BWI
1 stop6h 35m
Southwest
Wed 9/165:55 pm
BWI
- GEG
1 stop7h 30m
Southwest
Deal found 6/14![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 10/222:48 pm
JAC
- BWI
1 stop6h 56m
United Airlines
Mon 10/2610:00 am
BWI
- JAC
1 stop7h 12m
United Airlines
Deal found 6/9![United Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 10/3011:35 am
JAC
- BWI
2 stops9h 20m
Delta
Tue 11/37:10 am
BWI
- JAC
1 stop7h 02m
Delta
Deal found 6/11![Delta logo]()
$396
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 10/48:00 pm
BOI
- BWI
1 stop7h 20m
Alaska Airlines
Thu 10/87:00 am
BWI
- BOI
1 stop9h 11m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 6/305:30 am
BOI
- BWI
1 stop6h 34m
Delta
Tue 7/75:40 am
BWI
- BOI
1 stop9h 13m
Delta
Deal found 6/9![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:33 pm
JAC
- BWI
1 stop8h 46m
United Airlines
Sat 8/157:00 am
BWI
- JAC
1 stop8h 55m
United Airlines
Deal found 6/13![United Airlines logo]()
$561
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/128:20 pm
BOI
- BWI
1 stop7h 25m
Southwest
Tue 7/213:45 pm
BWI
- BOI
1 stop10h 45m
Southwest
Deal found 6/9![Southwest logo]()
$404
This Travelocity deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/263:57 pm
IDA
- BWI
1 stop21h 43m
Alaska Airlines
Sun 8/304:43 pm
BWI
- IDA
1 stop22h 41m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/14. 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.
Thu 10/811:30 pm
BOI
- BWI
1 stop7h 46m
Delta
Sun 10/117:30 am
BWI
- BOI
1 stop7h 12m
Delta
Deal found 6/14![Delta logo]()
$415
This Southwest deal was found by Cheapflights users on 6/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:25 pm
BOI
- BWI
2 stops12h 20m
Southwest
Fri 8/76:30 am
BWI
- BOI
2 stops9h 45m
Southwest
Deal found 6/13![Southwest logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/114:14 pm
IDA
- BWI
1 stop21h 02m
Alaska Airlines
Sat 8/154:19 pm
BWI
- IDA
1 stop22h 47m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/21:42 pm
JAC
- BWI
1 stop7h 48m
United Airlines
Sun 7/54:23 pm
BWI
- JAC
1 stop6h 35m
United Airlines
Deal found 6/11![United Airlines logo]()
$674
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/106:00 am
BOI
- BWI
2 stops9h 15m
Southwest
Mon 9/142:55 pm
BWI
- BOI
2 stops9h 40m
Southwest
Deal found 6/11![Southwest logo]()
$427
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 10/277:15 am
JAC
- BWI
2 stops13h 22m
Delta
Fri 10/307:10 am
BWI
- JAC
1 stop7h 02m
Delta
Deal found 6/10![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/22:44 pm
JAC
- BWI
1 stop6h 46m
United Airlines
Tue 7/74:23 pm
BWI
- JAC
1 stop6h 35m
United Airlines
Deal found 6/11![United Airlines logo]()
$674
Last-minute flights from Idaho to BaltimoreDiscover last-minute flight deals from Idaho to Baltimore. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Baltimore. Data last updated June 14, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/311:45 pm
BOI
- BWI
1 stop8h 22m
Delta
Sat 7/43:04 pm
BWI
- BOI
1 stop8h 08m
Delta
Deal found 6/10![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/311:45 pm
BOI
- BWI
1 stop8h 22m
Delta
Thu 7/97:10 pm
BWI
- BOI
1 stop6h 36m
Delta
Deal found 6/10![Delta logo]()
$326
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/47:25 am
BOI
- BWI
1 stop7h 13m
Delta
Thu 7/97:10 pm
BWI
- BOI
1 stop6h 36m
Delta
Deal found 6/10![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 7/102:29 pm
GEG
- BWI
1 stop7h 04m
American Airlines
Tue 7/143:46 pm
BWI
- GEG
1 stop7h 59m
American Airlines
Deal found 6/14![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/136:42 pm
BOI
- BWI
1 stop9h 18m
Delta
Fri 8/287:39 am
BWI
- BOI
1 stop6h 35m
Delta
Deal found 6/10![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/1410:48 pm
GEG
- BWI
1 stop7h 36m
Delta
Tue 7/217:15 am
BWI
- GEG
1 stop7h 57m
Delta
Deal found 6/9![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/142:29 pm
GEG
- BWI
1 stop7h 04m
American Airlines
Tue 7/213:46 pm
BWI
- GEG
1 stop7h 59m
American Airlines
Deal found 6/11![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/163:10 pm
BOI
- BWI
1 stop7h 23m
American Airlines
Tue 7/213:46 pm
BWI
- BOI
1 stop9h 35m
American Airlines
Deal found 6/12![American Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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
- BWI
1 stop9h 18m
Delta
Mon 7/275:40 am
BWI
- BOI
1 stop9h 13m
Delta
Deal found 6/9![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/255:10 pm
GEG
- BWI
1 stop9h 50m
Delta
Sat 8/13:04 pm
BWI
- GEG
1 stop7h 21m
Delta
Deal found 6/9![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 6/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:30 am
BOI
- BWI
1 stop9h 45m
Southwest
Wed 8/55:40 pm
BWI
- BOI
1 stop7h 40m
Southwest
Deal found 6/13![Southwest logo]()
$318
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Thu 7/302:29 pm
GEG
- BWI
1 stop7h 04m
American Airlines
Tue 8/117:03 am
BWI
- GEG
1 stop9h 34m
American Airlines
Deal found 6/13![American Airlines logo]()
$309
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 June 14, 2026.
Search for one-way flight options from Idaho to Baltimore. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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
Deal found 6/11![Delta logo]()
$99
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/195:20 am
BOI
- BWI
1 stop6h 43m
Delta
Deal found 6/10![Delta logo]()
$116
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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
Deal found 6/9![Southwest logo]()
$120
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/2410:56 pm
GEG
- BWI
1 stop9h 01m
Delta
Deal found 6/10![Delta logo]()
$122
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/710:56 pm
GEG
- BWI
1 stop8h 02m
Delta
Deal found 6/10![Delta logo]()
$142
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/142:03 pm
BOI
- BWI
1 stop8h 36m
Delta
Deal found 6/10![Delta logo]()
$147
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/222:16 pm
BOI
- BWI
1 stop14h 14m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$152
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/312:10 pm
BOI
- BWI
1 stop6h 05m
Southwest
Deal found 6/10![Southwest logo]()
$155
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/25:10 pm
GEG
- BWI
1 stop9h 39m
Delta
Deal found 6/10![Delta logo]()
$155
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/711:10 pm
BOI
- BWI
1 stop8h 48m
Delta
Deal found 6/10![Delta logo]()
$160
This Delta deal was found by Cheapflights users on 6/13. 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.
Fri 7/317:08 pm
GEG
- BWI
1 stop7h 52m
Delta
Deal found 6/13![Delta logo]()
$164
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/255:10 pm
GEG
- BWI
1 stop9h 50m
Delta
Deal found 6/9![Delta logo]()
$175
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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (Delta) |
One-way from | $99 (Delta) |
Popular in | June |
Cheapest in | February |
Average price | $586 |
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 June 14, 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
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Tue 9/15
4:55 pm-6:35 am
1 stop10h 40m
Baltimore/Washington
Mon 9/21
4:10 pm-11:15 pm
2 stops10h 05m
$275
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Tue 9/1
5:12 am-3:40 pm
1 stop7h 28m
Baltimore/Washington
Sat 9/5
7:15 pm-11:59 pm
1 stop7h 44m
$283
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Sat 9/19
5:20 am-2:03 pm
1 stop6h 43m
Baltimore/Washington
Tue 9/22
6:05 am-1:38 pm
1 stop9h 33m
$293
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Mon 8/17
7:50 pm-6:40 am
1 stop8h 50m
Baltimore/Washington
Mon 8/24
6:35 am-2:10 pm
2 stops9h 35m
$295
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Thu 9/24
7:06 pm-6:18 am
1 stop8h 12m
Baltimore/Washington
Sun 9/27
7:35 am-12:14 pm
1 stop7h 39m
$296
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Thu 9/10
5:15 pm-6:18 am
1 stop10h 03m
Baltimore/Washington
Mon 9/14
6:05 am-12:53 pm
1 stop9h 48m
$309
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Thu 9/10
1:36 pm-6:30 am
1 stop13h 54m
Baltimore/Washington
Mon 9/14
4:43 pm-11:11 pm
1 stop9h 28m
$310
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Thu 8/20
10:25 am-11:25 pm
2 stops11h 00m
Baltimore/Washington
Tue 8/25
5:55 pm-11:10 pm
1 stop7h 15m
$323
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Mon 7/20
7:08 pm-6:00 am
1 stop7h 52m
Baltimore/Washington
Sat 7/25
3:04 pm-7:25 pm
1 stop7h 21m
$329
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Mon 9/14
10:50 am-11:25 pm
2 stops10h 35m
Baltimore/Washington
Fri 9/18
6:30 am-2:10 pm
1 stop9h 40m
$346
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
GEG-BWI
SUN-BWI
IDA-BWI
JAC-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
GEG-BWI
SUN-BWI
IDA-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 $168). Flying from Idaho to Baltimore 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 Baltimore?
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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Alternative routes for Idaho to Baltimore
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Complete your trip
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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 June 14, 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 June 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$222 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$283 | Average$535 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$340 | Average$436 | FlexibilityNo cancel fee | On-time63% |