Baltimore

$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
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Cheap flight deals from Idaho to Baltimore

Cheapest flights from Idaho to Baltimore
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$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$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$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$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$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$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$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$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$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$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$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$275

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
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flights.
From Idaho to Baltimore/Washington
One-way flight from Idaho to Baltimore/Washington
Highest demand for flights based on searches. 16% potential increase in price ($81 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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

Price

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
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

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.
  • What airport do you fly into for flights to Baltimore from Idaho?

    Most people fly into Baltimore/Washington (BWI) if they book a flight to Baltimore from Idaho. Baltimore/Washington is conveniently located just 8.5 mi from Baltimore’s city center.

  • How long is the flight from Idaho to Baltimore?

    For as low as $293, Alaska Airlines can have you in Baltimore from Idaho in 6h 43m. Airlines will cover a distance of 2052 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Idaho to Baltimore one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $131. However, be on the lookout for offers from United Airlines and Southwest, as they are both options that can get you from Idaho to Baltimore for a low price.

  • What are the most popular routes from Idaho to Baltimore?

  • Can I find deals for flights from Idaho to Baltimore that include hotel bookings?

    Yes. In addition to deals on Idaho to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Baltimore.

  • Can I find deals for business class flights from Idaho to Baltimore?

    Yes. Cheapflights offers flight deals from Idaho to Baltimore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next 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.

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.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$222Average$359FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$535FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$340Average$436FlexibilityNo cancel feeOn-time63%

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