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Cheap flights from Portland, Maine to Washington, D.C. from $129

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 5/31. 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

Find the cheapest flights from Portland, Maine to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
10:30 am - 12:05 pm
PWM
-
BWI
1h 35mnonstop
Southwest Logo
5:00 pm - 6:30 pm
BWI
-
PWM
1h 30mnonstop
$293Southwest
Tue, Jun 16 - Tue, Jun 23
Multiple Airlines Logo
6:26 pm - 9:53 am
PWM
-
BWI
15h 27m
1 stop
Multiple Airlines Logo
9:48 pm - 7:16 pm
BWI
-
PWM
21h 28m
2 stops
$301Multiple Airlines
Wed, May 27 - Sat, May 30
Multiple Airlines Logo
7:00 am - 11:00 pm
PWM
-
BWI
16h 00m
2 stops
Multiple Airlines Logo
3:09 pm - 9:12 am
BWI
-
PWM
18h 03m
1 stop
$304Multiple Airlines
Mon, Aug 17 - Thu, Aug 20
Multiple Airlines Logo
9:52 am - 9:15 am
PWM
-
BWI
23h 23m
1 stop
Multiple Airlines Logo
9:23 pm - 3:59 pm
BWI
-
PWM
18h 36m
2 stops
$306Multiple Airlines
Fri, Jun 5 - Mon, Jun 8
Multiple Airlines Logo
6:26 pm - 9:53 am
PWM
-
BWI
15h 27m
1 stop
Multiple Airlines Logo
3:26 pm - 9:12 am
BWI
-
PWM
17h 46m
1 stop
$307Multiple Airlines
Wed, May 27 - Thu, May 28
Southwest Logo
3:55 pm - 5:40 pm
PWM
-
BWI
1h 45mnonstop
Southwest Logo
12:40 pm - 2:10 pm
BWI
-
PWM
1h 30mnonstop
$308Southwest
Tue, May 26 - Thu, May 28
Delta Logo
4:48 pm - 11:17 pm
PWM
-
BWI
6h 29m
1 stop
Delta Logo
6:10 am - 11:55 am
BWI
-
PWM
5h 45m
1 stop
$313Delta
Tue, Jun 2 - Wed, Jun 3
Delta Logo
6:02 am - 4:38 pm
PWM
-
BWI
10h 36m
2 stops
Delta Logo
6:10 am - 11:55 am
BWI
-
PWM
5h 45m
1 stop
$318Delta
Tue, Jun 2 - Wed, Jun 3
Multiple Airlines Logo
9:52 am - 8:35 pm
PWM
-
BWI
10h 43m
1 stop
Multiple Airlines Logo
9:30 pm - 9:12 am
BWI
-
PWM
11h 42m
1 stop
$322Multiple Airlines
Fri, Jun 12 - Sun, Jun 14
Southwest Logo
3:10 pm - 4:55 pm
PWM
-
BWI
1h 45mnonstop
Southwest Logo
10:05 pm - 11:40 pm
BWI
-
PWM
1h 35mnonstop
$323Southwest
Thu, Jun 4 - Sat, Jun 6

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Southwest flights from Portland, Maine to Baltimore

Our best Southwest deals on Portland, Maine to Baltimore flight tickets
Southwest
Jun 16
PWM10:30 amPortland
1h 35m
BWI12:05 pmBaltimore/Washington
Jun 23
BWI5:00 pmBaltimore/Washington
1h 30m
PWM6:30 pmPortland
$293
Southwest
May 26
PWM3:55 pmPortland
1h 45m
BWI5:40 pmBaltimore/Washington
May 28
BWI12:40 pmBaltimore/Washington
1h 30m
PWM2:10 pmPortland
$308
Southwest
Jun 4
PWM3:10 pmPortland
1h 45m
BWI4:55 pmBaltimore/Washington
Jun 6
BWI10:05 pmBaltimore/Washington
1h 35m
PWM11:40 pmPortland
$323

Delta flights from Portland, Maine to Baltimore

Our best Delta deals on Portland, Maine to Baltimore flight tickets
Delta
Jun 2
PWM4:48 pmPortland
6h 29m
1 stop
BWI11:17 pmBaltimore/Washington
Jun 3
BWI6:10 amBaltimore/Washington
5h 45m
1 stop
PWM11:55 amPortland
$313
Delta
Jun 2
PWM6:02 amPortland
10h 36m
2 stops
BWI4:38 pmBaltimore/Washington
Jun 3
BWI6:10 amBaltimore/Washington
5h 45m
1 stop
PWM11:55 amPortland
$318
Delta
Jun 2
PWM4:48 pmPortland
6h 29m
1 stop
BWI11:17 pmBaltimore/Washington
Jun 9
BWI12:32 pmBaltimore/Washington
10h 57m
2 stops
PWM11:29 pmPortland
$328

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 May 6, 2026.
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

Cheapest round-trip
Quickest round-trip

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Tue 6/16

10:30 am-12:05 pm

Nonstop1h 35m

Baltimore/Washington

Tue 6/23

5:00 pm-6:30 pm

Nonstop1h 30m

$293

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 5/27

6:26 pm-9:53 am

1 stop15h 27m

Baltimore/Washington

Sat 5/30

9:48 pm-7:16 pm

2 stops21h 28m

$301

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Mon 8/17

7:00 am-11:00 pm

2 stops16h 00m

Baltimore/Washington

Thu 8/20

3:09 pm-9:12 am

1 stop18h 03m

$304

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Fri 6/5

9:52 am-9:15 am

1 stop23h 23m

Baltimore/Washington

Mon 6/8

9:23 pm-3:59 pm

2 stops18h 36m

$306

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 5/27

6:26 pm-9:53 am

1 stop15h 27m

Baltimore/Washington

Thu 5/28

3:26 pm-9:12 am

1 stop17h 46m

$307

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Tue 5/26

3:55 pm-5:40 pm

Nonstop1h 45m

Baltimore/Washington

Thu 5/28

12:40 pm-2:10 pm

Nonstop1h 30m

$308

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Tue 6/2

4:48 pm-11:17 pm

1 stop6h 29m

Baltimore/Washington

Wed 6/3

6:10 am-11:55 am

1 stop5h 45m

$313

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Tue 6/2

6:02 am-4:38 pm

2 stops10h 36m

Baltimore/Washington

Wed 6/3

6:10 am-11:55 am

1 stop5h 45m

$318

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Fri 6/12

9:52 am-8:35 pm

1 stop10h 43m

Baltimore/Washington

Sun 6/14

9:30 pm-9:12 am

1 stop11h 42m

$322

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Thu 6/4

3:10 pm-4:55 pm

Nonstop1h 45m

Baltimore/Washington

Sat 6/6

10:05 pm-11:40 pm

Nonstop1h 35m

$323

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 typical price of a round-trip flight between Portland, Maine and Baltimore?

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in February, 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 Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $421. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $488. 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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $441 when looking at flights departing at noon. Flights in the morning are often more expensive with an average ticket price of $448.

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 from Portland, Maine 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 $377 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 $276 on momondo.

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

You could potentially save up to 11% 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?

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

$185

Fastest flight time

1h 35m

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 $185. The best round-trip flight deal from Portland, Maine to Baltimore found on momondo in the last 72 hours is $408.
The fastest flight from Portland, Maine to Baltimore takes 1h 35m
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

Frequently asked questions about flying from Portland, Maine to Baltimore

  • 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 35m.

  • 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 $248Free CancellationRating
7.9
4,305 reviews
Search Southwest flights

  • Southwest Flights From Portland, Maine to Baltimore

    Across 19 Southwest flights from Portland, Maine to Baltimore this week, the average price was $371, with the best Southwest deals starting from $248 round-trip. 4,305 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

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