$132+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
mei. 19 — mei. 261
Round-trip
1 adult, Economy
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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 april 19, 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 april 19, 2026.
This Delta deal was found by Cheapflights users on 4/16. 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.
do 8/207:10 am
BWI
- BOI
1 stop9h 24m
Delta
ma 8/2411:30 pm
BOI
- BWI
1 stop7h 46m
Delta
Deal found 4/16![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 4/15. 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.
do 5/287:00 am
BWI
- BOI
1 stop7h 43m
Delta
wo 6/311:39 pm
BOI
- BWI
1 stop9h 05m
Delta
Deal found 4/15![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
za 5/306:10 am
BWI
- BOI
2 stops9h 08m
Delta
di 6/29:18 pm
BOI
- BWI
2 stops9h 15m
Delta
Deal found 4/18![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/14. 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.
ma 5/116:59 pm
BWI
- BOI
1 stop6h 47m
Delta
wo 5/139:16 pm
BOI
- BWI
2 stops11h 49m
Delta
Deal found 4/14![Delta logo]()
$296
This Delta deal was found by Cheapflights users on 4/15. 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.
wo 5/66:00 am
BWI
- GEG
1 stop8h 41m
Delta
wo 5/1312:27 pm
GEG
- BWI
1 stop9h 20m
Delta
Deal found 4/15![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 4/15. 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.
za 5/306:10 am
BWI
- BOI
2 stops9h 08m
Delta
za 6/65:20 am
BOI
- BWI
1 stop6h 35m
Delta
Deal found 4/15![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
wo 5/134:12 pm
BWI
- GEG
1 stop8h 04m
United Airlines
do 5/281:41 pm
GEG
- BWI
1 stop6h 49m
United Airlines
Deal found 4/17![United Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 4/16. 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.
do 5/287:00 am
BWI
- BOI
1 stop7h 43m
Delta
di 6/29:18 pm
BOI
- BWI
2 stops11h 47m
Delta
Deal found 4/16![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 4/14. 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.
di 5/127:00 am
BWI
- GEG
2 stops11h 31m
Delta
di 5/197:23 pm
GEG
- BWI
2 stops12h 42m
Delta
Deal found 4/14![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
wo 5/134:54 pm
BWI
- GEG
1 stop7h 26m
Delta
do 5/287:25 am
GEG
- BWI
2 stops12h 52m
Delta
Deal found 4/17![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 4/16. 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.
ma 8/247:00 pm
BWI
- GEG
1 stop7h 04m
Delta
di 9/16:05 am
GEG
- BWI
1 stop9h 04m
Delta
Deal found 4/16![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 4/16. 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.
di 8/116:00 am
BWI
- BOI
2 stops10h 03m
Delta
di 8/2511:35 am
BOI
- BWI
2 stops10h 41m
Delta
Deal found 4/16![Delta logo]()
$311
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 april 19, 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 april 19, 2026.
This Delta deal was found by Cheapflights users on 4/14. 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.
do 8/207:10 am
BWI
- BOI
1 stop9h 24m
Delta
ma 8/2411:30 pm
BOI
- BWI
1 stop7h 46m
Delta
Deal found 4/14![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
zo 8/27:45 pm
BWI
- BOI
1 stop7h 35m
Southwest
di 8/113:30 pm
BOI
- BWI
1 stop13h 05m
Southwest
Deal found 4/18![Southwest logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
wo 5/274:17 pm
BWI
- GEG
1 stop9h 49m
Alaska Airlines
ma 6/15:00 am
GEG
- BWI
1 stop7h 17m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 4/14. 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.
di 5/54:12 pm
BWI
- GEG
1 stop8h 04m
United Airlines
wo 5/61:41 pm
GEG
- BWI
1 stop6h 46m
United Airlines
Deal found 4/14![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
di 8/186:19 am
BWI
- BOI
1 stop9h 44m
Delta
di 8/2511:35 am
BOI
- BWI
2 stops10h 41m
Delta
Deal found 4/17![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 4/15. 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.
do 5/287:00 am
BWI
- BOI
1 stop7h 43m
Delta
wo 6/311:39 pm
BOI
- BWI
1 stop9h 05m
Delta
Deal found 4/15![Delta logo]()
$283
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
za 8/86:40 am
BWI
- BOI
2 stops10h 45m
Southwest
za 8/153:25 pm
BOI
- BWI
1 stop13h 05m
Southwest
Deal found 4/17![Southwest logo]()
$372
This Delta deal was found by Cheapflights users on 4/14. 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.
ma 5/257:00 am
BWI
- GEG
1 stop7h 17m
Delta
za 5/3012:37 pm
GEG
- BWI
1 stop9h 20m
Delta
Deal found 4/14![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
wo 6/107:03 am
BWI
- BOI
1 stop10h 23m
Alaska Airlines
di 6/166:13 pm
BOI
- BWI
1 stop9h 28m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 4/14. 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.
wo 5/276:00 am
BWI
- GEG
1 stop8h 17m
Delta
vr 5/295:35 am
GEG
- BWI
2 stops10h 01m
Delta
Deal found 4/14![Delta logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
za 9/124:34 pm
BWI
- IDA
1 stop22h 34m
Alaska Airlines
wo 9/164:14 pm
IDA
- BWI
1 stop21h 20m
Alaska Airlines
Deal found 4/18![Alaska Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 4/14. 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.
za 8/2210:40 am
BWI
- SUN
2 stops12h 31m
United Airlines
za 8/297:00 am
SUN
- BWI
2 stops8h 29m
United Airlines
Deal found 4/14![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 4/15. 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.
zo 9/67:10 am
BWI
- BOI
1 stop9h 24m
Delta
za 9/125:40 am
BOI
- BWI
1 stop6h 15m
Delta
Deal found 4/15![Delta logo]()
$325
This Southwest deal was found by Cheapflights users on 4/14. 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.
ma 5/253:55 pm
BWI
- GEG
1 stop11h 40m
Southwest
za 5/306:15 am
GEG
- BWI
2 stops11h 25m
Southwest
Deal found 4/14![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 4/15. 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.
wo 6/106:19 am
BWI
- BOI
1 stop6h 39m
Delta
di 6/1611:45 pm
BOI
- BWI
1 stop9h 02m
Delta
Deal found 4/15![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 4/14. 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.
ma 7/137:00 am
BWI
- JAC
1 stop8h 48m
United Airlines
wo 7/151:42 pm
JAC
- BWI
1 stop7h 48m
United Airlines
Deal found 4/14![United Airlines logo]()
$507
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
vr 6/264:40 pm
BWI
- GEG
2 stops10h 50m
Southwest
ma 6/296:05 pm
GEG
- BWI
1 stop8h 35m
Southwest
Deal found 4/17![Southwest logo]()
$499
This Delta deal was found by Cheapflights users on 4/14. 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.
ma 7/135:00 pm
BWI
- BOI
1 stop7h 32m
Delta
vr 7/1711:42 pm
BOI
- BWI
1 stop8h 25m
Delta
Deal found 4/14![Delta logo]()
$344
This Expedia deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
za 8/86:07 pm
BWI
- SUN
1 stop17h 31m
Alaska Airlines
za 8/1510:20 am
SUN
- BWI
1 stop18h 07m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
vr 7/107:00 am
BWI
- JAC
1 stop8h 48m
United Airlines
wo 7/157:30 am
JAC
- BWI
1 stop8h 03m
United Airlines
Deal found 4/18![United Airlines logo]()
$521
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
za 7/115:30 pm
BWI
- GEG
2 stops9h 35m
Southwest
di 7/215:15 pm
GEG
- BWI
2 stops9h 00m
Southwest
Deal found 4/17![Southwest logo]()
$504
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
di 8/1810:40 am
BWI
- JAC
2 stops9h 12m
United Airlines
di 8/2510:51 am
JAC
- BWI
1 stop6h 49m
United Airlines
Deal found 4/17![United Airlines logo]()
$526
This Delta deal was found by Cheapflights users on 4/14. 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.
di 7/146:45 am
BWI
- GEG
1 stop7h 55m
Delta
di 7/217:59 pm
GEG
- BWI
2 stops9h 45m
Delta
Deal found 4/14![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
di 5/127:04 am
BWI
- IDA
2 stops32h 13m
Alaska Airlines
di 5/191:54 pm
IDA
- BWI
1 stop14h 34m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
ma 7/135:32 am
BWI
- GEG
1 stop9h 08m
Delta
di 7/2810:48 pm
GEG
- BWI
1 stop7h 36m
Delta
Deal found 4/17![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
za 5/307:00 am
BWI
- JAC
1 stop8h 48m
United Airlines
vr 6/52:44 pm
JAC
- BWI
2 stops14h 40m
United Airlines
Deal found 4/17![United Airlines logo]()
$556
This Orbitz deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
do 7/96:07 pm
BWI
- IDA
1 stop23h 30m
Alaska Airlines
ma 7/134:14 pm
IDA
- BWI
1 stop21h 02m
Alaska Airlines
Deal found 4/18![Alaska Airlines logo]()
$570
This United Airlines deal was found by Cheapflights users on 4/14. 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.
wo 4/298:00 am
BWI
- SUN
1 stop7h 35m
United Airlines
zo 5/32:30 pm
SUN
- BWI
1 stop6h 57m
United Airlines
Deal found 4/14![United Airlines logo]()
$561
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
wo 4/297:04 am
BWI
- IDA
1 stop10h 25m
Alaska Airlines
zo 5/34:06 pm
IDA
- BWI
1 stop11h 38m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
zo 7/126:20 am
BWI
- BOI
1 stop6h 37m
Delta
vr 7/1711:42 pm
BOI
- BWI
1 stop8h 25m
Delta
Deal found 4/17![Delta logo]()
$394
Last-minute flights from Baltimore to IdahoDiscover last-minute flight deals from Baltimore to Idaho. Data last updated april 19, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Idaho. Data last updated april 19, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/15. 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.
wo 5/66:00 am
BWI
- GEG
1 stop8h 41m
Delta
wo 5/1312:27 pm
GEG
- BWI
1 stop9h 20m
Delta
Deal found 4/15![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 4/14. 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.
za 5/96:00 am
BWI
- BOI
1 stop8h 43m
Delta
wo 5/1311:39 pm
BOI
- BWI
1 stop7h 44m
Delta
Deal found 4/14![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 4/14. 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.
ma 5/116:59 pm
BWI
- BOI
1 stop6h 47m
Delta
wo 5/139:16 pm
BOI
- BWI
2 stops11h 49m
Delta
Deal found 4/14![Delta logo]()
$296
This Delta deal was found by Cheapflights users on 4/14. 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.
di 5/126:59 pm
BWI
- BOI
1 stop6h 47m
Delta
di 5/199:16 pm
BOI
- BWI
2 stops9h 17m
Delta
Deal found 4/14![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 4/14. 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.
di 5/127:00 am
BWI
- GEG
2 stops11h 31m
Delta
di 5/197:23 pm
GEG
- BWI
2 stops12h 42m
Delta
Deal found 4/14![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
wo 5/134:12 pm
BWI
- GEG
1 stop8h 04m
United Airlines
do 5/281:41 pm
GEG
- BWI
1 stop6h 49m
United Airlines
Deal found 4/17![United Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
wo 5/134:54 pm
BWI
- GEG
1 stop7h 26m
Delta
do 5/287:25 am
GEG
- BWI
2 stops12h 52m
Delta
Deal found 4/17![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 4/16. 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.
wo 5/276:00 am
BWI
- GEG
1 stop8h 17m
Delta
di 6/210:40 pm
GEG
- BWI
1 stop7h 43m
Delta
Deal found 4/16![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 4/15. 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.
do 5/287:00 am
BWI
- BOI
1 stop7h 43m
Delta
wo 6/311:39 pm
BOI
- BWI
1 stop9h 05m
Delta
Deal found 4/15![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 4/16. 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.
do 5/287:00 am
BWI
- BOI
1 stop7h 43m
Delta
di 6/29:18 pm
BOI
- BWI
2 stops11h 47m
Delta
Deal found 4/16![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
za 5/306:10 am
BWI
- BOI
2 stops9h 08m
Delta
di 6/29:18 pm
BOI
- BWI
2 stops9h 15m
Delta
Deal found 4/18![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/15. 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.
za 5/306:10 am
BWI
- BOI
2 stops9h 08m
Delta
za 6/65:20 am
BOI
- BWI
1 stop6h 35m
Delta
Deal found 4/15![Delta logo]()
$298
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 april 19, 2026.
Search for one-way flight options from Baltimore to Idaho. Find affordable one-way fares based on user searches. Data last updated april 19, 2026.
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
di 5/126:17 am
BWI
- BOI
1 stop9h 01m
Delta
Deal found 4/17![Delta logo]()
$132
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
di 5/126:20 am
BWI
- BOI
2 stops11h 06m
United Airlines
Deal found 4/17![United Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 4/15. 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.
wo 7/86:20 am
BWI
- BOI
1 stop9h 24m
Delta
Deal found 4/15![Delta logo]()
$142
This Delta deal was found by Cheapflights users on 4/15. 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.
wo 5/62:18 pm
BWI
- GEG
1 stop10h 13m
Delta
Deal found 4/15![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 4/16. 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.
wo 5/276:00 am
BWI
- GEG
1 stop8h 17m
Delta
Deal found 4/16![Delta logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
wo 5/135:17 pm
BWI
- BOI
2 stops21h 10m
Frontier
Deal found 4/17![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
wo 4/2912:17 pm
BWI
- GEG
2 stops35h 12m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 4/16. 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.
di 6/236:08 am
BWI
- GEG
2 stops10h 10m
Delta
Deal found 4/16![Delta logo]()
$160
This Southwest deal was found by Cheapflights users on 4/15. 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.
wo 5/273:30 pm
BWI
- GEG
1 stop10h 25m
Southwest
Deal found 4/15![Southwest logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
wo 5/69:13 pm
BWI
- GEG
2 stops26h 16m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
di 6/239:43 pm
BWI
- GEG
3 stops49h 14m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
wo 6/245:32 pm
BWI
- GEG
2 stops29h 25m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$173
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 april 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $263 (Delta) |
One-way from | $132 (Delta) |
Popular in | December |
Cheapest in | April |
Average price | $270 |
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 april 19, 2026.
Use the filters below to find and compare flights from Baltimore to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
do 8/20
7:10 am-2:34 pm
1 stop9h 24m
Boise Air Term. Gowen Fld
ma 8/24
11:30 pm-9:16 am
1 stop7h 46m
$263
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
di 8/18
6:19 am-2:03 pm
1 stop9h 44m
Boise Air Term. Gowen Fld
di 8/25
11:35 am-12:16 am
2 stops10h 41m
$268
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
do 5/28
7:00 am-12:43 pm
1 stop7h 43m
Boise Air Term. Gowen Fld
wo 6/3
11:39 pm-10:44 am
1 stop9h 05m
$283
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
ma 5/25
7:00 am-11:17 am
1 stop7h 17m
Spokane
za 5/30
12:37 pm-12:57 am
1 stop9h 20m
$309
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
zo 8/2
7:45 pm-1:20 am
1 stop7h 35m
Boise Air Term. Gowen Fld
di 8/11
3:30 pm-6:35 am
1 stop13h 05m
$311
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
wo 5/27
6:00 am-11:17 am
1 stop8h 17m
Spokane
vr 5/29
5:35 am-6:36 pm
2 stops10h 01m
$314
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
zo 9/6
7:10 am-2:34 pm
1 stop9h 24m
Boise Air Term. Gowen Fld
za 9/12
5:40 am-1:55 pm
1 stop6h 15m
$325
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
wo 6/10
6:19 am-10:58 am
1 stop6h 39m
Boise Air Term. Gowen Fld
di 6/16
11:45 pm-10:47 am
1 stop9h 02m
$340
BaltimoreBoise
BWI - BOI
BWIBOI
Baltimore/Washington
ma 7/13
5:00 pm-10:32 pm
1 stop7h 32m
Boise Air Term. Gowen Fld
vr 7/17
11:42 pm-10:07 am
1 stop8h 25m
$344
BaltimoreSpokane
BWI - GEG
BWIGEG
Baltimore/Washington
di 7/14
6:45 am-11:40 am
1 stop7h 55m
Spokane
di 7/21
7:59 pm-8:44 am
2 stops9h 45m
$369
Showing 1-10 of 60 resultsSorted by cheapest first
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-GEG
BWI-IDA
BWI-SUN
BWI-JAC
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-GEG
BWI-IDA
BWI-SUN
What is the cheapest month to book a flight from Baltimore to Idaho?
Currently, July is the cheapest month in which you can book a flight from Baltimore to Idaho (average of $116). Flying from Baltimore to Idaho in April is currently the most expensive (average of $410). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Baltimore to Idaho?
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated april 19, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta 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
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from 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 april 19, 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 april 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$458 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$275 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$321 | Average$393 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$351 | Average$487 | FlexibilityNo cancel fee | On-time63% |