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Cheap flights from Portland, Maine to Washington, D.C. from $112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Washington, D.C. departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
11:02 am - 10:59 pm
PWM
-
BWI
11h 57m1 stop
Multiple Airlines Logo
8:00 am - 10:22 am
BWI
-
PWM
26h 22m1 stop
$242Multiple Airlines
Sat, Jan 10 - Tue, Jan 13
Multiple Airlines Logo
11:29 am - 11:17 am
PWM
-
BWI
23h 48m2 stops
Multiple Airlines Logo
9:55 pm - 9:07 am
BWI
-
PWM
11h 12m1 stop
$262Multiple Airlines
Fri, Jan 23 - Sun, Jan 25
Multiple Airlines Logo
11:02 am - 10:59 pm
PWM
-
BWI
11h 57m1 stop
Multiple Airlines Logo
1:00 pm - 10:22 am
BWI
-
PWM
21h 22m2 stops
$265Multiple Airlines
Sat, Jan 10 - Tue, Jan 13
Southwest Logo
12:35 pm - 2:20 pm
PWM
-
BWI
1h 45mnonstop
Southwest Logo
8:45 pm - 10:15 pm
BWI
-
PWM
1h 30mnonstop
$281Southwest
Sat, Jan 10 - Tue, Jan 13
Multiple Airlines Logo
11:02 am - 11:36 pm
PWM
-
BWI
12h 34m2 stops
Multiple Airlines Logo
4:01 pm - 10:22 am
BWI
-
PWM
18h 21m1 stop
$287Multiple Airlines
Wed, Jan 28 - Fri, Jan 30
American Airlines Logo
7:00 am - 1:56 pm
PWM
-
BWI
6h 56m1 stop
American Airlines Logo
2:46 pm - 10:07 pm
BWI
-
PWM
7h 21m1 stop
$291American Airlines
Sat, Jan 10 - Tue, Jan 13
Delta Logo
6:00 am - 4:38 pm
PWM
-
BWI
10h 38m2 stops
Delta Logo
6:00 am - 12:08 pm
BWI
-
PWM
6h 08m1 stop
$296Delta
Wed, Jan 7 - Thu, Jan 8
Delta Logo
6:00 am - 4:38 pm
PWM
-
BWI
10h 38m2 stops
Delta Logo
5:25 pm - 12:20 am
BWI
-
PWM
6h 55m2 stops
$301Delta
Wed, Jan 7 - Thu, Jan 8
Delta Logo
6:00 am - 4:38 pm
PWM
-
BWI
10h 38m2 stops
Delta Logo
6:00 am - 12:03 pm
BWI
-
PWM
6h 03m1 stop
$306Delta
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
9:47 am - 10:41 pm
PWM
-
BWI
12h 54m1 stop
Multiple Airlines Logo
9:55 pm - 9:07 am
BWI
-
PWM
11h 12m1 stop
$309Multiple Airlines
Fri, Jan 23 - Sun, Jan 25

United Airlines flights from Portland, Maine to Baltimore

Our best United Airlines deals on Portland, Maine to Baltimore flight tickets
United Airlines
Jan 10
PWM6:00 amPortland
15h 21m
2 stops
BWI9:21 pmBaltimore/Washington
Jan 13
BWI5:18 pmBaltimore/Washington
21h 21m
1 stop
PWM2:39 pmPortland
$502
Find similar
United Airlines
Jan 10
PWM6:00 amPortland
15h 21m
2 stops
BWI9:21 pmBaltimore/Washington
Jan 13
BWI5:18 pmBaltimore/Washington
20h 38m
2 stops
PWM1:56 pmPortland
$508
Find similar
United Airlines
Feb 4
PWM4:10 pmPortland
22h 01m
1 stop
BWI2:11 pmBaltimore/Washington
Feb 8
BWI10:05 amBaltimore/Washington
13h 25m
2 stops
PWM11:30 pmPortland
$513
Find similar

Delta flights from Portland, Maine to Baltimore

Our best Delta deals on Portland, Maine to Baltimore flight tickets
Delta
Jan 7
PWM6:00 amPortland
10h 38m
2 stops
BWI4:38 pmBaltimore/Washington
Jan 8
BWI6:00 amBaltimore/Washington
6h 08m
1 stop
PWM12:08 pmPortland
$296
Find similar
Delta
Jan 7
PWM6:00 amPortland
10h 38m
2 stops
BWI4:38 pmBaltimore/Washington
Jan 8
BWI5:25 pmBaltimore/Washington
6h 55m
2 stops
PWM12:20 amPortland
$301
Find similar
Delta
Jan 13
PWM6:00 amPortland
10h 38m
2 stops
BWI4:38 pmBaltimore/Washington
Jan 20
BWI6:00 amBaltimore/Washington
6h 03m
1 stop
PWM12:03 pmPortland
$306
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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, momondo users made 832,500 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Portland, Maine to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 1/10

11:02 am-10:59 pm

1 stop11h 57m

Baltimore/Washington

Tue 1/13

8:00 am-10:22 am

1 stop26h 22m

$242

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Fri 1/23

11:29 am-11:17 am

2 stops23h 48m

Baltimore/Washington

Sun 1/25

9:55 pm-9:07 am

1 stop11h 12m

$262

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 1/10

11:02 am-10:59 pm

1 stop11h 57m

Baltimore/Washington

Tue 1/13

1:00 pm-10:22 am

2 stops21h 22m

$265

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 1/10

12:35 pm-2:20 pm

Nonstop1h 45m

Baltimore/Washington

Tue 1/13

8:45 pm-10:15 pm

Nonstop1h 30m

$281

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 1/28

11:02 am-11:36 pm

2 stops12h 34m

Baltimore/Washington

Fri 1/30

4:01 pm-10:22 am

1 stop18h 21m

$287

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 1/10

7:00 am-1:56 pm

1 stop6h 56m

Baltimore/Washington

Tue 1/13

2:46 pm-10:07 pm

1 stop7h 21m

$291

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 1/7

6:00 am-4:38 pm

2 stops10h 38m

Baltimore/Washington

Thu 1/8

6:00 am-12:08 pm

1 stop6h 08m

$296

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 1/7

6:00 am-4:38 pm

2 stops10h 38m

Baltimore/Washington

Thu 1/8

5:25 pm-12:20 am

2 stops6h 55m

$301

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Tue 1/13

6:00 am-4:38 pm

2 stops10h 38m

Baltimore/Washington

Tue 1/20

6:00 am-12:03 pm

1 stop6h 03m

$306

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Fri 1/23

9:47 am-10:41 pm

1 stop12h 54m

Baltimore/Washington

Sun 1/25

9:55 pm-9:07 am

1 stop11h 12m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Portland, Maine to Baltimore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in March, then January is your next best option. Flight prices from Portland, Maine to Baltimore during January average around $339.

What is the cheapest day to depart on your flight to Baltimore?

The cheapest day to depart from Portland, Maine to Baltimore is on a Thursday. Travelers who choose to depart for Baltimore on a Thursday will often find tickets for as low as $228. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $318. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

What is the cheapest time of day to depart on your flight to Baltimore?

Flying to Baltimore from Portland, Maine in the evening is the least expensive time of day to depart. momondo users have found prices as low as $198 when looking at flights departing in the evening. Flights at noon are often more expensive with an average ticket price of $313.

What is the cheapest Portland to Baltimore/Washington flight route?

Fly from Portland to Baltimore/Washington for the best Portland - Baltimore/Washington flight prices

How far in advance should I book a flight to Baltimore?

You are more likely to see cheaper flights to Baltimore from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $365 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Portland, Maine for as low as $271 on momondo.

What cabin class options are available on Portland to Baltimore/Washington flights?

There is only 1 cabin class available to choose from on Portland to Baltimore/Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland, Maine to Baltimore flights?

You could potentially save up to 16% on your flight if you consider stops on a Portland, Maine to Baltimore flight.

How have Portland, Maine to Baltimore flight prices changed over time?

As of December 2025, prices for Portland, Maine to Baltimore flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from Portland, Maine to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Baltimore (PWM to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Baltimore

Best Price Found

$217

Fastest flight time

1h 40m

Direct flights

Every day

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from Portland, Maine in the past 72 hours is $217. The best round-trip flight deal from Portland, Maine to Baltimore found on momondo in the last 72 hours is $378.
The fastest flight from Portland, Maine to Baltimore takes 1h 40m
Direct flights go from Portland, Maine to Baltimore every day.
There is 1 airport in Baltimore. From Portland, Maine there are direct flights to Baltimore/Washington (BWI).
Search flight deals

  • How far is Portland to Baltimore/Washington by plane?

    Portland and Baltimore/Washington are 446.1 mi apart from one another. A reasonable flight in good conditions will take 1h 40m.

  • When did momondo last update prices for flights from Portland Airport to Baltimore/Washington Airport?

    Prices for flights from Portland Airport to Baltimore/Washington Airport are updated daily.

  • How many operators does momondo search for flights from Portland Airport to Baltimore/Washington Airport?

  • How old do you have to be to fly from Portland Airport to Baltimore/Washington Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents required for your trip to Baltimore/Washington Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baltimore/Washington Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Portland, Maine to Baltimore?

  • What is the most popular airline from Portland, Maine to Baltimore?

Best airlines flying from Portland, Maine to Baltimore

Compare and see reviews for airlines that fly from Portland, Maine to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $237Free CancellationRating
7.9
4,250 reviews
Search Southwest flights

  • Southwest Flights From Portland, Maine to Baltimore

    Across 12 Southwest flights from Portland, Maine to Baltimore this week, the average price was $357, with the best Southwest deals starting from $237 round-trip. 4,250 users have rated Southwest on momondo, with an average score of 7.9/10.

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Baltimore?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Baltimore. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Baltimore with flexible booking policies on momondo?

momondo does allow users to show only those flights to Baltimore from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Baltimore?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Baltimore from Portland.

I’m not ready to book a flight from Portland to Baltimore right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Baltimore from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Baltimore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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