PWM - BWI

$114 Find Cheap Flights from Portland to Baltimore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Baltimore departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Baltimore

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Baltimore, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Baltimore, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$261
Typical prices: $413-$340
Southwest
Wed 9/2Mon 9/7
PWM - BWI • Non-stop
Cheapest one-way
$114
Typical prices: $269-$426
Southwest
Wed 8/19
PWM - BWI • Non-stop
Top airlines
Southwest
Cheapest • from $261 (round-trip)
Southwest
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Every day
You can fly direct with Southwest. Average duration is 1h 40m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 15% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Baltimore!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Baltimore (PWM-BWI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Baltimore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Baltimore

Wed, Sep 2 - Mon, Sep 7
Southwest Logo
5:45 am - 7:25 am
PWM
-
BWI
1h 40mnonstop
Southwest Logo
8:55 pm - 10:25 pm
BWI
-
PWM
1h 30mnonstop
$261Southwest
Thu, Sep 10 - Wed, Sep 16
Delta Logo
6:00 am - 1:06 pm
PWM
-
BWI
7h 06m
1 stop
Delta Logo
7:05 am - 1:07 pm
BWI
-
PWM
6h 02m
1 stop
$266Delta
Thu, Sep 10 - Tue, Sep 15
Delta Logo
6:00 am - 1:06 pm
PWM
-
BWI
7h 06m
1 stop
Delta Logo
12:30 pm - 11:17 pm
BWI
-
PWM
10h 47m
2 stops
$271Delta
Tue, Jul 28 - Wed, Jul 29
Southwest Logo
5:30 am - 7:10 am
PWM
-
BWI
1h 40mnonstop
Southwest Logo
9:20 pm - 11:00 pm
BWI
-
PWM
1h 40mnonstop
$277Southwest
Thu, Sep 10 - Wed, Sep 16
Southwest Logo
3:40 pm - 5:25 pm
PWM
-
BWI
1h 45mnonstop
Southwest Logo
3:45 pm - 5:15 pm
BWI
-
PWM
1h 30mnonstop
$286Southwest
Tue, Aug 18 - Mon, Aug 24
Southwest Logo
5:45 am - 7:25 am
PWM
-
BWI
1h 40mnonstop
Southwest Logo
10:55 am - 12:25 pm
BWI
-
PWM
1h 30mnonstop
$291Southwest
Sat, Sep 19 - Sat, Sep 26
Southwest Logo
5:40 am - 7:15 am
PWM
-
BWI
1h 35mnonstop
Southwest Logo
8:15 am - 9:55 am
BWI
-
PWM
1h 40mnonstop
$294Southwest
Tue, Nov 3 - Tue, Nov 10
Delta Logo
4:50 pm - 10:55 pm
PWM
-
BWI
6h 05m
1 stop
Delta Logo
6:00 am - 11:53 am
BWI
-
PWM
5h 53m
1 stop
$297Delta
Wed, Jul 8 - Tue, Jul 14
Delta Logo
4:52 pm - 11:18 pm
PWM
-
BWI
6h 26m
1 stop
Delta Logo
5:27 pm - 12:59 am
BWI
-
PWM
7h 32m
2 stops
$302Delta
Thu, Aug 6 - Thu, Aug 6
Southwest Logo
5:55 am - 7:30 am
PWM
-
BWI
1h 35mnonstop
Southwest Logo
8:55 pm - 10:25 pm
BWI
-
PWM
1h 30mnonstop
$305Southwest
Booking Insights

KAYAK's insights & trends for Portland to Baltimore flights

Get data-powered insights and trends into flights from Portland to Baltimore to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Portland, Maine to Baltimore?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland, Maine to Baltimore departing in September.

What’s the cheapest day of the week to fly from Portland to Baltimore?

The average price of all round-trip flights from Portland to Baltimore clicked on KAYAK for each day over the last 12 months.

When flying from Portland to Baltimore, you should consider leaving on a Wednesday and avoid Sundays if you are looking for the best rates. For your return to Portland, you’ll find the best rates on Tuesdays and the most expensive ones on Fridays.

What is the cheapest month to fly from Portland to Baltimore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Baltimore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Baltimore is February, where tickets cost $329 (return) on average. On the other hand, the most expensive months are March and June, where the average cost of round-trip tickets is $529 and $484 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Portland to Baltimore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Portland to Baltimore, you should book around 5 weeks before departure, which saves you about 48% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Find deals

Good to know

Low seasonJanuary
Cheapest flight$114
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Portland to Baltimore

When to book flights from Portland to Baltimore

Are your dates flexible? Find out the best times to travel from Portland to Baltimore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Baltimore

  • What is the cheapest flight from Portland to Baltimore?

    In the last 5 days, the lowest price for a flight from Portland to Baltimore was $114 for a one-way ticket and $261 for a round-trip.

  • Do I need a passport to fly between Portland and Baltimore?

    A passport is not required to fly from Portland to Baltimore.

  • Which airports will I be using when flying from Portland to Baltimore?

    Portland airport is called Portland and the only airport in Baltimore is Baltimore/Washington.

  • Which airlines offer Wi-Fi service onboard planes from Portland to Baltimore?

    JetBlue, American Airlines, and Delta offer inflight Wi-Fi service on the Portland to Baltimore flight route.

  • Which aircraft models fly most regularly from Portland to Baltimore?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Portland to Baltimore flight route.

  • On which days can I fly direct from Portland to Baltimore?

    There are nonstop flights from Portland to Baltimore on a daily basis.

  • How does KAYAK find such low prices on flights from Portland to Baltimore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Baltimore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Baltimore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Baltimore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baltimore with an airline and back to Portland with another airline. Booking your flights between Portland and BWI can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Baltimore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baltimore from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Portland to Baltimore

  • Looking for a cheap flight? 25% of our users found flights on this route for $203 or less one-way and $413 or less round-trip.

Prefer to fly direct from Portland to Baltimore?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Portland to Baltimore/Washington.
Find which airlines fly direct from Portland Airport to Baltimore/Washington Airport, which days they fly and book direct flights.

Direct departures

Portland to Baltimore/Washington

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Baltimore/Washington to Portland

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Reviews of the top airline flying from Portland to Baltimore

 
See real verified KAYAK customer reviews for airlines flying from Portland to Baltimore. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Baltimore? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4237 reviews
8.1Boarding
8.0Comfort
7.0Food
7.5Entertainment
8.6Crew
Airline reviews

Flight was delayed over 3 hours. Planes were dirty. Staff indifferent. And they serve vegan pretzels as snacks.

2.0 MediocreMatthew, Jun 2026
CVG - MDW
Read more Southwest reviews

Flight was delayed over 3 hours. Planes were dirty. Staff indifferent. And they serve vegan pretzels as snacks.

It was great. The gate staff were very helpful in Portland when my son forgot his rolling bag and had to go back to get it just in time to make it on the plane. We really appreciate that. Great job!

Airline is not very senior friendly. Flights are late, forcing us to run to the connecting flight. Food is awful. Wish they would go back to pretzels and peanuts. During flight, pressurization isn’t quite right and all of our ears get plugged. Everything is nickel and dime, charging for boarding, seat selection and legroom. While a screen at the desk in the gate area says check your roll on bag now for free due to space limitation, the employee at the desk will not check the bag without a $100 fee. Insane.

Kayak could’ve posted the correct gate number. Almost missed my flight.

Slow boarding, limited food and drink portions. Bad delays and turbulence

there were two flight attendants that were up front...that were the best! They get KUDOs for making my trip only fantastic. Tell them Jeff said that!

OKay. I sat in the back of the plane and it was really loud between babies and little kids, and adults who.like to talk a lot and loudly most of the flight.

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

Was fine, delayed and feels like southwest is always late

I don't know why flying out of Sarasota requires two plane changes.

Everything you need to know for your flight from Portland to Baltimore

Other airlines flying from Portland to Baltimore

Flights from the other most popular airlines that fly from Portland to Baltimore according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.
Southwest flights from Portland to Baltimore