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Cheap Flights from Washington D.C. (BWI) to Portland (PDX)

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Compare Baltimore Washington International to Portland flight deals

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Flight deals from Baltimore Washington International to Portland

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International to Portland? Find the lowest prices on one-way and return tickets right here.
Portland.$305 per passenger.Departing Fri, 8 Aug, returning Fri, 15 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Fri, 8 Aug, arriving in Portland.Inbound indirect flight with Frontier Airlines, departs from Portland on Fri, 15 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From $305, select.
Portland.$318 per passenger.Departing Fri, 30 May, returning Sat, 7 Jun.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Fri, 30 May, arriving in Portland.Inbound indirect flight with Spirit Airlines, departs from Portland on Sat, 7 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From $318, select.
Portland.$318 per passenger.Departing Wed, 2 Jul, returning Wed, 9 Jul.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Wed, 2 Jul, arriving in Portland.Inbound indirect flight with Spirit Airlines, departs from Portland on Wed, 9 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From $318, select.
Portland.$318 per passenger.Departing Mon, 2 Jun, returning Thu, 5 Jun.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Mon, 2 Jun, arriving in Portland.Inbound indirect flight with Spirit Airlines, departs from Portland on Thu, 5 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From $318, select.
Portland.$319 per passenger.Departing Tue, 24 Jun, returning Tue, 1 Jul.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Tue, 24 Jun, arriving in Portland.Inbound indirect flight with Spirit Airlines, departs from Portland on Tue, 1 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From $319, select.
Portland.$319 per passenger.Departing Wed, 28 May, returning Sat, 31 May.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Wed, 28 May, arriving in Portland.Inbound indirect flight with Spirit Airlines, departs from Portland on Sat, 31 May, arriving in Baltimore Washington International.Price includes taxes and charges.From $319, select.
Portland.$322 per passenger.Departing Sun, 31 Aug, returning Mon, 8 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sun, 31 Aug, arriving in Portland.Inbound indirect flight with Frontier Airlines, departs from Portland on Mon, 8 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $322, select.
Portland.$365 per passenger.Departing Thu, 2 Oct, returning Sat, 11 Oct.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Thu, 2 Oct, arriving in Portland.Inbound indirect flight with United, departs from Portland on Sat, 11 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $365, select.

Find the cheapest month to fly from Baltimore Washington International to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Portland flights are currently cheapest in August.
May
from $319
Jun
from $318
Jul
from $318
Aug
from $305
Sep
from $368
Oct
from $365
Nov
from $372
Dec
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Jan
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Feb
from $370
Mar
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Apr
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Direct flights from Baltimore Washington International to Portland

Baltimore Washington International to Portland: Alternative routes

Compare routes from Baltimore Washington International to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

Washington D.C. to Portland: Flight information

The things to know before you go.
Cheapest flight found$305
Cheapest month to flyAugust
Average flight time5 hrs, 38 mins
Most popular airlineSouthwest Airlines
Average flights per week7

Finding cheap flights from Baltimore Washington International to Portland: Frequently asked questions

The best price we found for a return flight from Baltimore Washington International to Portland is $305. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 38 minutes is the average flight time from Baltimore Washington International to Portland.
Southwest Airlines flies direct from Baltimore Washington International to Portland.
As of May 2025, there are 7 flights per week flying from Baltimore Washington International to Portland.
The cheapest month to fly from Baltimore Washington International to Portland is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Portland Airport on Friday, 8 August 2025.
Yes – the average flight time is 5 hours and 38 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Portland.

Flying from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Portland International Airport (PDX): what you need to know

  • The average time for a direct flight from Baltimore/Wash International Thurgood Marshall Airport to Portland International Airport is 5 hours 40 minutes.

  • The timezone in Portland is UTC-7, which is three hours behind Washington DC.

  • Your BWI to PDX flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • During popular months such as July, it's a good idea to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a peak period in general.

  • Spirit Airlines offers direct flights from Baltimore/Wash International Thurgood Marshall Airport to Portland International Airport. Book with this popular airline, then get ready to see the sights in Portland — and maybe even more of United States if your schedule allows.

  • Spirit Airlines is the most frequently booked airline on this route.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Baltimore/Wash International Thurgood Marshall Airport to Portland International Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Top stopovers between BWI and PDX include:

    • Lambert-St. Louis International Airport

    • Minneapolis-St. Paul International Airport

    • Denver International Airport

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Portland International Airport (PDX)

  • Right now, $153 is the lowest price we've found for a one-way Baltimore/Wash International Thurgood Marshall Airport to Portland International Airport flight. The best price for a return plane ticket is $305. Remember that fares may change due to availability when booking.

  • To score cheap tickets from BWI to PDX, reserve your trip six months ahead of your departure.

  • May is the cheapest month for flights from Baltimore/Wash International Thurgood Marshall Airport to Portland International Airport. If you need to travel during a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

  • You won't have to check back in every day to see if fares have gone down when you set up a Price Alert. We'll send you an update the moment there's a better deal on cheap flights from BWI to PDX.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Baltimore/Wash International Thurgood Marshall Airport to Portland International Airport.

Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • 77.13% of flights that leave from Baltimore/Wash International Thurgood Marshall Airport land at their destination on schedule.

  • To get to Baltimore/Wash International Thurgood Marshall Airport from central Washington DC, it'll take around 50 minutes if you're going by car. This depends on traffic, however. It's approximately 48 kilometres from the airport to the city centre.

  • Planning to take public transport? You can expect a journey time of around 1 hour 30 minutes.

  • Searching for a convenient hotel near BWI? If you're boarding an early flight from Baltimore/Wash International Thurgood Marshall Airport to Portland International Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • PDX is located at 7000 NE Airport Way.

  • From Portland International Airport, Portland is approximately 19 kilometres away. It takes around 20 minutes to reach the centre driving.

  • When travelling by public transport, expect a journey of roughly 45 minutes.

When to fly to Portland International Airport (PDX)

  • It's time to pick your travel dates for your flight from Baltimore/Wash International Thurgood Marshall Airport to Portland International Airport. July is the most popular month to visit Portland. If you'd like a more relaxed vibe, go in May.

  • When reserving your flight from Baltimore/Wash International Thurgood Marshall Airport to Portland International Airport, consider the type of weather you like. August is the warmest month in Portland, with temperatures ranging from 12ºC (54ºF) to 31ºC (88ºF).

  • If you like cooler conditions, look for a cheap ticket from BWI to PDX in December. Average temperatures are between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of United States

  • Seattle is just one of the many places in United States waiting to be explored once you've taken in the sights of Portland. Around 241 kilometres away to the north, its best attractions include Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • Around 467 kilometres north-east of Portland, Spokane is another essential stop in United States. Experience major highlights starting with Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Plan the rest of your trip from Washington D.C. to Portland

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.