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$84+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BWI
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap 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 July 23, 2026.

This Southwest deal was found by Cheapflights users on 7/21. 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 8/246:25 am
PDX
-
BWI
2 stops14h 00m
Southwest
Wed 8/268:30 am
BWI
-
PDX
2 stops9h 55m
Southwest
Deal found 7/21$258
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 8/2411:02 pm
PDX
-
BWI
1 stop8h 07m
United Airlines
Sat 8/298:10 am
BWI
-
PDX
2 stops9h 55m
United Airlines
Deal found 7/22$260
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:59 pm
PDX
-
BWI
1 stop9h 10m
American Airlines
Tue 9/17:26 am
BWI
-
PDX
1 stop8h 22m
American Airlines
Deal found 7/23$262
This Southwest deal was found by Cheapflights users on 7/21. 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 8/246:25 am
PDX
-
BWI
2 stops14h 00m
Southwest
Sat 8/291:00 pm
BWI
-
PDX
1 stop8h 25m
Southwest
Deal found 7/21$263
This Southwest deal was found by Cheapflights users on 7/21. 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 8/185:50 am
PDX
-
BWI
1 stop7h 40m
Southwest
Fri 8/213:25 pm
BWI
-
PDX
1 stop10h 50m
Southwest
Deal found 7/21$265
This CheapOair deal was found by Cheapflights users on 7/21. 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.
Tue 9/17:30 am
PDX
-
BWI
Nonstop5h 10m
Alaska Airlines
Tue 9/84:43 pm
BWI
-
PDX
Nonstop5h 32m
Alaska Airlines
Deal found 7/21$266
This Southwest deal was found by Cheapflights users on 7/20. 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 9/2310:45 pm
PDX
-
BWI
Nonstop4h 55m
Southwest
Mon 9/287:00 am
BWI
-
PDX
1 stop8h 05m
Southwest
Deal found 7/20$267
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Sun 8/239:44 pm
PDX
-
BWI
1 stop10h 25m
American Airlines
Thu 8/2711:59 am
BWI
-
PDX
1 stop10h 49m
American Airlines
Deal found 7/23$272
This Southwest deal was found by Cheapflights users on 7/20. 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 9/121:35 pm
PDX
-
BWI
2 stops14h 00m
Southwest
Sat 9/198:50 am
BWI
-
PDX
1 stop12h 20m
Southwest
Deal found 7/20$273
This Southwest deal was found by Cheapflights users on 7/21. 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 8/185:50 am
PDX
-
BWI
1 stop7h 40m
Southwest
Tue 8/253:40 pm
BWI
-
PDX
1 stop8h 00m
Southwest
Deal found 7/21$275
This Delta deal was found by Cheapflights users on 7/22. 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 8/2010:56 pm
GEG
-
BWI
1 stop9h 01m
Delta
Tue 8/257:39 am
BWI
-
GEG
1 stop7h 45m
Delta
Deal found 7/22$309
This American Airlines deal was found by Cheapflights users on 7/22. 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 9/236:40 am
SEA
-
BWI
1 stop8h 01m
American Airlines
Sat 10/310:38 am
BWI
-
SEA
1 stop10h 59m
American Airlines
Deal found 7/22$312

Find flight deals from Washington to Baltimore

Keep the following information in mind while searching for Washington to Baltimore flight deals. Data was last updated July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Southwest)

One-way from

$84
(Southwest)

Popular in

June

Cheapest in

January

Average price

$435
Provider with most accurate pricing for Seattle/Tacoma Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Washington, D.C. (WAS) flights.
Search Deals
From Washington to Baltimore/Washington
Search Deals
One-way flight from Washington to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 23, 2026.
Use the filters below to find and compare flights from Washington to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Wed 9/23

4:00 pm-6:30 am

1 stop11h 30m

Baltimore/Washington

Mon 9/28

7:00 am-12:05 pm

1 stop8h 05m

$262

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 8/20

5:45 am-10:50 pm

1 stop14h 05m

Baltimore/Washington

Fri 8/21

1:45 pm-9:15 pm

2 stops10h 30m

$263

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 8/18

5:50 am-4:30 pm

1 stop7h 40m

Baltimore/Washington

Fri 8/21

3:25 pm-11:15 pm

1 stop10h 50m

$265
Quickest round-trip

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 8/18

10:45 pm-6:40 am

Nonstop4h 55m

Baltimore/Washington

Tue 8/25

8:10 am-10:40 am

Nonstop5h 30m

$277

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 9/15

5:10 pm-6:18 am

1 stop10h 08m

Baltimore/Washington

Sun 9/20

6:15 am-10:49 am

1 stop7h 34m

$281

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sat 10/3

5:10 pm-6:18 am

1 stop10h 08m

Baltimore/Washington

Wed 10/7

7:15 am-12:03 pm

1 stop7h 48m

$288

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 8/20

12:35 am-10:35 am

1 stop7h 00m

Baltimore/Washington

Sun 8/23

6:00 am-10:27 am

1 stop7h 27m

$292

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 9/3

11:30 pm-11:55 am

1 stop9h 25m

Baltimore/Washington

Thu 9/10

12:35 pm-3:00 pm

Nonstop5h 25m

$307

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Mon 9/21

11:30 pm-12:15 pm

1 stop9h 45m

Baltimore/Washington

Mon 10/5

6:15 am-3:30 pm

2 stops12h 15m

$307

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Thu 9/24

5:41 pm-6:30 am

1 stop9h 49m

Baltimore/Washington

Tue 9/29

4:43 pm-7:15 pm

Nonstop5h 32m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 60 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from State of Washington to Baltimore (average of $371). Flying from State of Washington to Baltimore in June is currently the most expensive (average of $526). 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 July 23, 2026.

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 July 23, 2026.

The most flights from USWA to BWI are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from State of Washington to Baltimore?

Airfare is below average for this route at the moment.
State of Washington to Baltimore flights typically cost between $380 and $614 in September.
The cheapest round-trip price found within the last 5 days was $312 on American Airlines (Sep 23-Oct 3).

How far ahead should I book a flight from State of Washington to Baltimore?

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from State of Washington to Baltimore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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, 12 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 $281, Southwest can have you in Baltimore from State of Washington in 10h 08m. 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 $89 on American Airlines. Other airlines that offer cheap prices include Delta from $98 and Southwest from $100 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 (88%), Alaska Airlines (81%) and Southwest (43%).

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

    While on average a flight from State of Washington to Baltimore is generally $456, our data shows the cheapest flight currently is $221. When looking at the most popular route, (Seattle/Tacoma Intl - Baltimore/Washington), you can expect to pay $177 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, September is the cheapest month in which you can book a flight from State of Washington to Baltimore (average of $371). Flying from State of Washington to Baltimore in June is currently the most expensive (average of $526). 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

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Alternative routes for Washington to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Washington to Baltimore

Discover the top 7 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$103Average$366FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$128Average$353FlexibilityNo cancel feeOn-time85%
FrontierCheapest$154Average$289FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$178Average$372FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$199Average$475FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$226Average$545FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$251Average$445FlexibilityNo cancel feeOn-time75%

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