$112 Cheap Flights from Portland (PDX) to Baltimore (BWI)

View $112 flight on Thu, Oct 2, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Baltimore Washington Intl. Airport (BWI)

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Cheap Flights from Portland to Baltimore (PDX-BWI)

Prices were available within the past 7 days and start at $112 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Fri, Oct 3 - Sun, Oct 5
PDX
Portland
BWI
Baltimore
$224 Roundtrip, found 5 hours ago
$224
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Fri, Oct 3 from Portland to Baltimore, returning Sun, Oct 5, priced at $224 found 5 hours ago
Spirit Airlines
Thu, Sep 25 - Sat, Oct 4
PDX
Portland
BWI
Baltimore
$226 Roundtrip, found 4 hours ago
$226
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Thu, Sep 25 from Portland to Baltimore, returning Sat, Oct 4, priced at $226 found 4 hours ago
Spirit Airlines
Fri, Sep 12 - Tue, Sep 16
PDX
Portland
BWI
Baltimore
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, Sep 12 from Portland to Baltimore, returning Tue, Sep 16, priced at $227 found 1 day ago
Spirit Airlines
Thu, Sep 18 - Mon, Sep 22
PDX
Portland
BWI
Baltimore
$228 Roundtrip, just found
$228
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Sep 18 from Portland to Baltimore, returning Mon, Sep 22, priced at $228 just found
Spirit Airlines
Fri, Sep 26 - Sat, Oct 4
PDX
Portland
BWI
Baltimore
$229 Roundtrip, found 4 hours ago
$229
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Fri, Sep 26 from Portland to Baltimore, returning Sat, Oct 4, priced at $229 found 4 hours ago
Spirit Airlines
Thu, Sep 4 - Sat, Sep 13
PDX
Portland
BWI
Baltimore
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Thu, Sep 4 from Portland to Baltimore, returning Sat, Sep 13, priced at $230 found 3 days ago
Frontier Airlines
Sat, Aug 2 - Sat, Aug 9
PDX
Portland
BWI
Baltimore
$234 Roundtrip, found 15 hours ago
$234
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sat, Aug 2 from Portland to Baltimore, returning Sat, Aug 9, priced at $234 found 15 hours ago
United
Wed, Oct 1 - Sat, Oct 4
PDX
Portland
BWI
Baltimore
$256 Roundtrip, found 14 hours ago
$256
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Oct 1 from Portland to Baltimore, returning Sat, Oct 4, priced at $256 found 14 hours ago
Southwest Airlines
Tue, Aug 19 - Sat, Aug 23
PDX
Portland
BWI
Baltimore
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 19 from Portland to Baltimore, returning Sat, Aug 23, priced at $262 found 1 day ago
American Airlines
Thu, Oct 9 - Wed, Oct 15
PDX
Portland
BWI
Baltimore
$297 Roundtrip, found 18 hours ago
$297
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Thu, Oct 9 from Portland to Baltimore, returning Wed, Oct 15, priced at $297 found 18 hours ago

Find the cheapest month to fly from Portland (PDX) to Baltimore (BWI)

September is typically the cheapest month to fly

From $97 - $305 per traveler.

Graph displaying average flight prices per month

Flights from Portland (PDX) to Baltimore (BWI)
Origin airport
Portland Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$224
Distance
2351 mi
Average flight time
8 hours 37 mins

Portland to Baltimore Flights

The cheapest times to fly from Portland to Baltimore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Baltimore are during the month of October. You can find some of the cheapest flights from Portland to Baltimore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Baltimore

Sunday is one of the best days to book for cheap flights from Portland to Baltimore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Baltimore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $112 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Baltimore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Baltimore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Snag cheap return flights starting from $297 from Portland Intl. Airport (PDX) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving PDX on July 23 2025 and touching down at BWI. The price was last updated on July 1 2025 and has not changed since.
What is the cheapest month to fly from PDX to BWI?
To score a cheap fare, check for direct flights from PDX to BWI jetting off in September. You can find a one-way Southwest Airlines flight for $149 leaving on September 30 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 1 2025 and remains unchanged.
What is the cheapest airline that flies from PDX to BWI?
Book a flight from PDX to BWI with Southwest Airlines. This airline currently has the cheapest one-way fare for this route, starting from $149. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PDX on September 17 2025. Prices were last updated on July 1 2025 and have not changed since.
How many flights per day from Portland Intl. Airport (PDX) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Nonstop flights from Portland Intl. Airport (PDX) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PDX to BWI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Opt for a flight from Portland Intl. Airport (PDX) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Baltimore from Portland Intl. Airport (PDX)?
Compare your flight options from Portland Intl. Airport (PDX) to Ronald Reagan Washington National Airport (DCA). This is the only airport in Baltimore you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Holding off until right before your break to book a flight from PDX to BWI generally means paying more. While you may find some last-minute deals, they're not always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a PDX to BWI flight and hotel package?
You'll generally save money by securing a PDX to BWI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your ideal accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
In most instances, you can reschedule or cancel your PDX to BWI flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further details, visit our Customer Service portal.

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*Available to One Key members.