$132+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
May 31 — Jun 71
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Baltimore 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 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 May 1, 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 May 1, 2026.
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:41 pm
BOI
- BWI
1 stop9h 04m
Delta
Mon 6/16:59 pm
BWI
- BOI
1 stop6h 47m
Delta
Deal found 4/28![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:16 pm
BOI
- BWI
2 stops9h 17m
Delta
Tue 6/96:19 am
BWI
- BOI
1 stop6h 44m
Delta
Deal found 4/27![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:16 pm
BOI
- BWI
2 stops9h 17m
Delta
Tue 6/26:10 am
BWI
- BOI
2 stops10h 31m
Delta
Deal found 4/29![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:55 pm
BOI
- BWI
2 stops10h 02m
Delta
Thu 6/46:59 pm
BWI
- BOI
1 stop6h 47m
Delta
Deal found 4/30![Delta logo]()
$278
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:39 pm
BOI
- BWI
1 stop7h 44m
Delta
Tue 6/212:31 pm
BWI
- BOI
2 stops11h 13m
Delta
Deal found 4/26![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:43 pm
BOI
- BWI
1 stop6h 59m
Delta
Mon 8/177:10 am
BWI
- BOI
1 stop9h 24m
Delta
Deal found 4/27![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:08 pm
GEG
- BWI
1 stop7h 52m
Delta
Tue 7/216:20 am
BWI
- GEG
1 stop8h 19m
Delta
Deal found 4/27![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:23 pm
BOI
- BWI
1 stop7h 23m
Delta
Mon 6/15:26 pm
BWI
- BOI
2 stops8h 20m
Delta
Deal found 4/29![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:48 pm
GEG
- BWI
1 stop8h 19m
Delta
Wed 7/226:20 am
BWI
- GEG
1 stop8h 19m
Delta
Deal found 4/26![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:48 pm
GEG
- BWI
1 stop8h 19m
Delta
Mon 7/205:40 am
BWI
- GEG
2 stops10h 41m
Delta
Deal found 4/26![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/242:26 pm
GEG
- BWI
1 stop5h 47m
Delta
Fri 8/76:20 am
BWI
- GEG
1 stop8h 19m
Delta
Deal found 4/27![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:59 pm
GEG
- BWI
1 stop13h 29m
Alaska Airlines
Mon 6/84:17 pm
BWI
- GEG
1 stop9h 49m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$328
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 May 1, 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 May 1, 2026.
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:43 pm
BOI
- BWI
1 stop8h 33m
Delta
Sat 9/266:19 am
BWI
- BOI
1 stop9h 44m
Delta
Deal found 4/30![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:09 am
GEG
- BWI
1 stop7h 25m
Alaska Airlines
Mon 9/144:34 pm
BWI
- GEG
1 stop9h 40m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:55 am
GEG
- BWI
1 stop13h 30m
Southwest
Wed 8/123:15 pm
BWI
- GEG
2 stops10h 10m
Southwest
Deal found 4/30![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:33 pm
JAC
- BWI
1 stop6h 53m
United Airlines
Mon 6/16:10 am
BWI
- JAC
1 stop7h 25m
United Airlines
Deal found 4/26![United Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:40 am
BOI
- BWI
1 stop6h 15m
Delta
Tue 9/227:10 am
BWI
- BOI
1 stop7h 04m
Delta
Deal found 4/27![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:09 am
GEG
- BWI
1 stop7h 25m
Alaska Airlines
Wed 9/237:50 am
BWI
- GEG
1 stop7h 49m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:39 pm
BOI
- BWI
1 stop7h 44m
Delta
Tue 6/26:17 am
BWI
- BOI
1 stop9h 01m
Delta
Deal found 4/26![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:30 am
BOI
- BWI
2 stops11h 25m
Southwest
Mon 7/137:30 pm
BWI
- BOI
1 stop7h 35m
Southwest
Deal found 4/29![Southwest logo]()
$345
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:30 pm
BOI
- BWI
1 stop8h 25m
Delta
Mon 8/177:00 pm
BWI
- BOI
1 stop6h 29m
Delta
Deal found 4/30![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:05 pm
BOI
- BWI
1 stop6h 45m
Southwest
Tue 6/169:50 am
BWI
- BOI
1 stop11h 00m
Southwest
Deal found 4/30![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:23 pm
BOI
- BWI
1 stop7h 23m
Delta
Sun 6/77:00 am
BWI
- BOI
1 stop7h 54m
Delta
Deal found 4/30![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:10 pm
BOI
- BWI
1 stop8h 35m
Southwest
Mon 8/174:10 pm
BWI
- BOI
2 stops9h 25m
Southwest
Deal found 4/28![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:48 pm
GEG
- BWI
1 stop7h 36m
Delta
Sat 8/86:20 am
BWI
- GEG
1 stop8h 19m
Delta
Deal found 4/26![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
IDA
- BWI
1 stop10h 35m
Alaska Airlines
Mon 6/14:17 pm
BWI
- IDA
1 stop23h 00m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:30 pm
IDA
- BWI
1 stop7h 00m
United Airlines
Sat 5/306:45 am
BWI
- IDA
1 stop7h 00m
United Airlines
Deal found 4/30![United Airlines logo]()
$493
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:15 pm
BOI
- BWI
2 stops15h 25m
Southwest
Tue 6/26:25 pm
BWI
- BOI
1 stop8h 00m
Southwest
Deal found 4/26![Southwest logo]()
$371
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:35 pm
GEG
- BWI
1 stop7h 38m
Delta
Wed 8/127:10 am
BWI
- GEG
1 stop7h 52m
Delta
Deal found 4/30![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:03 pm
IDA
- BWI
1 stop21h 14m
Alaska Airlines
Sun 6/74:17 pm
BWI
- IDA
1 stop23h 00m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:48 pm
GEG
- BWI
1 stop7h 36m
Delta
Tue 7/145:27 pm
BWI
- GEG
2 stops9h 28m
Delta
Deal found 4/26![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/172:38 pm
SUN
- BWI
1 stop6h 52m
United Airlines
Mon 7/2010:44 am
BWI
- SUN
1 stop10h 14m
United Airlines
Deal found 4/26![United Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:26 pm
GEG
- BWI
1 stop5h 47m
Delta
Tue 7/215:40 am
BWI
- GEG
2 stops10h 41m
Delta
Deal found 4/30![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:42 pm
JAC
- BWI
1 stop7h 48m
United Airlines
Tue 6/27:00 am
BWI
- JAC
1 stop8h 48m
United Airlines
Deal found 4/28![United Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:08 pm
GEG
- BWI
1 stop7h 49m
Delta
Sat 8/86:20 am
BWI
- GEG
1 stop8h 19m
Delta
Deal found 4/26![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1312:00 pm
JAC
- BWI
1 stop15h 41m
Alaska Airlines
Mon 6/297:03 am
BWI
- JAC
1 stop30h 17m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:27 pm
GEG
- BWI
1 stop9h 30m
Delta
Thu 6/46:59 pm
BWI
- GEG
1 stop7h 07m
Delta
Deal found 4/28![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:11 pm
JAC
- BWI
2 stops14h 16m
Alaska Airlines
Wed 8/197:50 am
BWI
- JAC
1 stop29h 25m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:29 am
BOI
- BWI
2 stops10h 49m
Delta
Mon 7/135:27 pm
BWI
- BOI
2 stops8h 38m
Delta
Deal found 4/29![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:43 pm
SUN
- BWI
1 stop8h 44m
Alaska Airlines
Wed 8/196:16 pm
BWI
- SUN
1 stop17h 23m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:00 am
SUN
- BWI
2 stops14h 48m
United Airlines
Fri 7/107:00 am
BWI
- SUN
1 stop8h 16m
United Airlines
Deal found 4/26![United Airlines logo]()
$783
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:29 am
BOI
- BWI
2 stops10h 44m
Delta
Sat 8/87:12 am
BWI
- BOI
1 stop7h 01m
Delta
Deal found 4/27![Delta logo]()
$384
Last-minute flights from Idaho to BaltimoreDiscover last-minute flight deals from Idaho to Baltimore. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Baltimore. Data last updated May 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/222:16 pm
GEG
- BWI
1 stop6h 30m
Delta
Sun 5/247:00 am
BWI
- GEG
1 stop7h 17m
Delta
Deal found 4/26![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:41 pm
BOI
- BWI
1 stop9h 04m
Delta
Mon 6/16:59 pm
BWI
- BOI
1 stop6h 47m
Delta
Deal found 4/28![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:16 pm
BOI
- BWI
2 stops9h 17m
Delta
Tue 6/96:19 am
BWI
- BOI
1 stop6h 44m
Delta
Deal found 4/27![Delta logo]()
$268
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:16 pm
BOI
- BWI
2 stops9h 17m
Delta
Tue 6/26:10 am
BWI
- BOI
2 stops10h 31m
Delta
Deal found 4/29![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:40 pm
GEG
- BWI
1 stop7h 43m
Delta
Sun 5/317:00 am
BWI
- GEG
1 stop7h 17m
Delta
Deal found 4/30![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:08 pm
GEG
- BWI
1 stop7h 03m
American Airlines
Sun 5/316:00 am
BWI
- GEG
1 stop10h 14m
American Airlines
Deal found 4/28![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:55 pm
BOI
- BWI
2 stops10h 02m
Delta
Thu 6/46:59 pm
BWI
- BOI
1 stop6h 47m
Delta
Deal found 4/30![Delta logo]()
$278
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:39 pm
BOI
- BWI
1 stop7h 44m
Delta
Tue 6/212:31 pm
BWI
- BOI
2 stops11h 13m
Delta
Deal found 4/26![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:49 am
GEG
- BWI
1 stop8h 15m
Delta
Thu 6/46:59 pm
BWI
- GEG
1 stop7h 07m
Delta
Deal found 4/29![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:41 pm
BOI
- BWI
1 stop9h 04m
Delta
Fri 6/54:51 pm
BWI
- BOI
1 stop7h 37m
Delta
Deal found 4/30![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:23 pm
BOI
- BWI
1 stop7h 23m
Delta
Mon 6/15:26 pm
BWI
- BOI
2 stops8h 20m
Delta
Deal found 4/29![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:37 pm
GEG
- BWI
2 stops9h 08m
Delta
Mon 6/16:10 am
BWI
- GEG
2 stops8h 51m
Delta
Deal found 4/26![Delta logo]()
$319
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 May 1, 2026.
Search for one-way flight options from Idaho to Baltimore. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:42 pm
BOI
- BWI
1 stop9h 18m
Delta
Deal found 4/28![Delta logo]()
$132
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:05 pm
BOI
- BWI
2 stops12h 12m
United Airlines
Deal found 4/28![United Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- BWI
2 stops40h 18m
Frontier
Deal found 4/28![Frontier logo]()
$141
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:11 pm
BOI
- BWI
1 stop7h 00m
American Airlines
Deal found 4/29![American Airlines logo]()
$142
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:42 pm
BOI
- BWI
1 stop9h 18m
Delta
Deal found 4/28![Delta logo]()
$152
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:45 pm
GEG
- BWI
1 stop8h 00m
Delta
Deal found 4/29![Delta logo]()
$155
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:00 pm
GEG
- BWI
2 stops13h 16m
Delta
Deal found 4/28![Delta logo]()
$160
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:10 pm
GEG
- BWI
1 stop9h 50m
Delta
Deal found 4/27![Delta logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:21 pm
IDA
- BWI
2 stops22h 36m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$166
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:29 pm
GEG
- BWI
1 stop7h 04m
American Airlines
Deal found 4/29![American Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
BOI
- BWI
1 stop7h 34m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$170
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3110:40 pm
GEG
- BWI
1 stop7h 43m
Delta
Deal found 4/26![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 May 1, 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 | February |
Average price | $321 |
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 May 1, 2026.
Use the filters below to find and compare flights from Idaho to Baltimore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Sat 9/19
1:43 pm-12:16 am
1 stop8h 33m
Baltimore/Washington
Sat 9/26
6:19 am-2:03 pm
1 stop9h 44m
$263
Quickest round-trip
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Sat 9/19
5:40 am-1:55 pm
1 stop6h 15m
Baltimore/Washington
Tue 9/22
7:10 am-12:14 pm
1 stop7h 04m
$263
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Thu 5/28
11:39 pm-9:23 am
1 stop7h 44m
Baltimore/Washington
Tue 6/2
6:17 am-1:18 pm
1 stop9h 01m
$303
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Fri 8/14
11:30 pm-9:55 am
1 stop8h 25m
Baltimore/Washington
Mon 8/17
7:00 pm-11:29 pm
1 stop6h 29m
$306
BoiseBaltimore
BOI - BWI
BOIBWI
Boise Air Term. Gowen Fld
Thu 6/4
2:23 pm-11:46 pm
1 stop7h 23m
Baltimore/Washington
Sun 6/7
7:00 am-12:54 pm
1 stop7h 54m
$306
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Thu 9/10
5:09 am-3:34 pm
1 stop7h 25m
Baltimore/Washington
Mon 9/14
4:34 pm-11:14 pm
1 stop9h 40m
$309
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Mon 8/3
10:48 pm-9:24 am
1 stop7h 36m
Baltimore/Washington
Sat 8/8
6:20 am-11:39 am
1 stop8h 19m
$309
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Thu 8/6
12:35 pm-11:13 pm
1 stop7h 38m
Baltimore/Washington
Wed 8/12
7:10 am-12:02 pm
1 stop7h 52m
$309
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Wed 7/8
10:48 pm-9:24 am
1 stop7h 36m
Baltimore/Washington
Tue 7/14
5:27 pm-11:55 pm
2 stops9h 28m
$314
SpokaneBaltimore
GEG - BWI
GEGBWI
Spokane
Tue 7/14
2:26 pm-11:13 pm
1 stop5h 47m
Baltimore/Washington
Tue 7/21
5:40 am-1:21 pm
2 stops10h 41m
$314
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Baltimore
Have a flexible travel schedule? Discover the best time to fly to Baltimore from Idaho with our price prediction graph.
BOI-BWI
IDA-BWI
JAC-BWI
SUN-BWI
GEG-BWI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Idaho to Baltimore
USID-BWI
BOI-BWI
IDA-BWI
JAC-BWI
SUN-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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Complete your trip
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Alternative routes for Idaho to Baltimore
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Baltimore by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Baltimore by cabin class
Find flights from Idaho to Baltimore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Baltimore flights
Browse other Idaho and Baltimore flight options. Last updated on May 1, 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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$222 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$283 | Average$535 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$340 | Average$436 | FlexibilityNo cancel fee | On-time63% |