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$88+ Cheap flights from Washington 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BWI
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Washington to Baltimore

Keep the following information in mind while searching for Washington to Baltimore flight deals. Data was last updated September 16, 2025.

Round-trip from

$211
(Kiwi.com)

One-way from

$88
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$417
From Washington to Baltimore/Washington
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One-way flight from Washington to Baltimore/Washington
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Highest demand for flights based on searches. 9% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to Baltimore

Cheapest flights from Washington to Baltimore
Explore the most affordable flight options available from Washington to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:02 pmSEA - BWI
1 stop25h 42mFrontier
Sun 10/269:42 pmBWI - SEA
1 stop14h 06mFrontier
Deal found 9/16$200
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 11/179:08 amSEA - BWI
1 stop31h 11mMultiple Airlines
Thu 12/46:01 amBWI - SEA
1 stop15h 19mMultiple Airlines
Deal found 9/14$211
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:00 amSEA - BWI
2 stops35h 14mFrontier
Mon 10/66:27 pmBWI - SEA
1 stop20h 40mFrontier
Deal found 9/14$214
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/231:02 pmSEA - BWI
2 stops41h 03mFrontier
Mon 10/276:29 pmBWI - SEA
1 stop20h 44mFrontier
Deal found 9/13$215
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:43 pmSEA - BWI
1 stop18h 01mFrontier
Fri 10/246:29 pmBWI - SEA
1 stop20h 38mFrontier
Deal found 9/15$218
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/161:02 pmSEA - BWI
1 stop25h 30mFrontier
Sun 10/266:29 pmBWI - SEA
1 stop16h 04mFrontier
Deal found 9/13$220
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:11 pmSEA - BWI
1 stop11h 08mUnited Airlines
Wed 12/104:15 pmBWI - SEA
1 stop8h 00mUnited Airlines
Deal found 9/15$222
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 10/136:39 pmSEA - BWI
1 stop19h 37mMultiple Airlines
Sat 10/185:35 amBWI - SEA
1 stop17h 13mMultiple Airlines
Deal found 9/14$223
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/241:02 pmSEA - BWI
1 stop14h 33mMultiple Airlines
Mon 10/276:29 pmBWI - SEA
1 stop20h 44mMultiple Airlines
Deal found 9/14$226
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:40 pmSEA - BWI
1 stop8h 01mDelta
Sun 11/97:15 amBWI - SEA
1 stop8h 41mDelta
Deal found 9/16$227
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:39 pmSEA - BWI
1 stop19h 37mMultiple Airlines
Thu 11/68:25 pmBWI - SEA
1 stop25h 07mMultiple Airlines
Deal found 9/16$228
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:05 pmSEA - BWI
2 stops11h 40mSouthwest
Mon 11/106:35 pmBWI - SEA
1 stop8h 55mSouthwest
Deal found 9/15$232

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 September 16, 2025.
Use the filters below to find and compare flights from Washington to Baltimore that are best for you.

Fly from

Washington

Fly to

Baltimore

Route

Depart

Return

Price

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Mon 1/5

12:00 pm-11:50 pm

1 stop8h 50m

Baltimore/Washington

Sun 1/18

7:00 am-12:29 pm

1 stop8h 29m

$227

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Mon 1/5

12:00 pm-11:50 pm

1 stop8h 50m

Baltimore/Washington

Tue 1/20

7:10 am-3:08 pm

1 stop10h 58m

$227

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Thu 11/13

1:39 pm-11:49 pm

1 stop7h 10m

Baltimore/Washington

Mon 11/17

7:15 am-12:56 pm

1 stop8h 41m

$227

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 1/7

11:25 am-11:42 pm

1 stop9h 17m

Baltimore/Washington

Sat 1/24

7:00 am-12:29 pm

1 stop8h 29m

$227

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Sat 1/10

1:30 pm-11:42 pm

1 stop7h 12m

Baltimore/Washington

Sun 1/18

6:00 am-12:29 pm

1 stop9h 29m

$227

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Fri 10/10

7:18 pm-6:00 am

1 stop7h 42m

Baltimore/Washington

Sun 11/9

7:15 am-12:56 pm

1 stop8h 41m

$227

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 11/5

6:00 am-4:54 pm

1 stop7h 54m

Baltimore/Washington

Wed 11/12

7:15 am-12:56 pm

1 stop8h 41m

$227

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 11/19

6:00 am-6:08 pm

1 stop9h 08m

Baltimore/Washington

Sun 11/23

7:15 am-2:54 pm

1 stop10h 39m

$227

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Tue 1/6

11:05 pm-10:02 am

1 stop7h 57m

Baltimore/Washington

Sun 1/18

7:00 am-2:54 pm

1 stop10h 54m

$227

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 10/22

11:15 pm-8:48 am

1 stop6h 33m

Baltimore/Washington

Fri 11/7

7:15 am-2:45 pm

1 stop10h 30m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Washington 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 Washington to Baltimore

What is the cheapest month to book a flight from State of Washington to Baltimore?

Currently, August is the cheapest month in which you can book a flight from State of Washington to Baltimore (average of $241). Flying from State of Washington to Baltimore in March is currently the most expensive (average of $290). 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.

What is the cheapest time of day to fly from WA to BWI?

Find hourly flight availability from Washington to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Baltimore as you normally would.

Weekly flight availability from State of Washington to Baltimore

Explore weekly flight availability from Washington to Baltimore. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 16, 2025.

The most flights from USWA to BWI are scheduled on a Saturday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Related info for your journey

Find useful and relevant information for your journey from Washington 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 Washington?

    Located just 8.5 mi from the city center, Baltimore/Washington (BWI) is the airport most travelers will use when flying to Baltimore from Washington.

  • How popular is this State of Washington to Baltimore flight route?

    Within the past month, 17 users have taken a look at flights from Washington to Baltimore/Washington.

  • How long is the flight from State of Washington to Baltimore?

    For as low as $257, Delta can have you in Baltimore from State of Washington in 6h 40m. The distance from State of Washington to Baltimore is about 2351 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Baltimore one-way?

    One-way options have recently been found by users for as low as $88 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $149 and Hawaiian Airlines from $149 one-way.

  • What are the most popular routes from State of Washington to Baltimore?

    The most popular route from State of Washington to Baltimore is Seattle/Tacoma Intl - Baltimore/Washington. You may also consider Portland - Baltimore/Washington or Spokane - Baltimore/Washington.

  • What are the most reliable airlines from State of Washington to Baltimore?

    The top 3 most reliable airlines when flying from State of Washington to Baltimore are Finnair (100%), Southwest (74%) and Alaska Airlines (71%).

  • What are the cheapest flights from State of Washington to Baltimore?

    While on average a flight from State of Washington to Baltimore is generally $623, our data shows the cheapest flight currently is $143. When looking at the most popular route, (Seattle/Tacoma Intl - Baltimore/Washington), you can expect to pay $168 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Baltimore?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to Baltimore (average of $241). Flying from State of Washington to Baltimore in March is currently the most expensive (average of $290). 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.

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Top 8 airlines flying from Washington to Baltimore

Discover the top 8 airlines that operate flights from Washington 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$276FlexibilityNo cancel feeOn-time65%
FrontierCheapest$139Average$216FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$153Average$418FlexibilityNo cancel feeOn-time85%
DeltaCheapest$206Average$404FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$206Average$352FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$262Average$483FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$266Average$454FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$277Average$577FlexibilityNo cancel feeOn-time75%

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