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Cheap Flights from Portland to Washington D.C. starting at S$ 125

Book one-way or return flights from Portland to Washington D.C. from as little as S$ 125. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • PWM06:00
        1h 50m
        Direct
        DCA07:50
        Fri, May 31|Portland - Washington D.C.|American Airlines
        S$ 125S$ 203
        39% OFF
        39% OFF
        S$ 203S$ 125
      • PWM12:35
        1h 44m
        Direct
        DCA14:19
        Wed, May 15|Portland - Washington D.C.|American Airlines
        S$ 125S$ 203
        38% OFF
        38% OFF
        S$ 203S$ 125
      • PWM12:34
        1h 46m
        Direct
        DCA14:20
        Tue, Jun 25|Portland - Washington D.C.|American Airlines
        S$ 125S$ 203
        38% OFF
        38% OFF
        S$ 203S$ 125
      • PWM17:29
        1h 46m
        Direct
        DCA19:15
        Thu, Jul 4|Portland - Washington D.C.|American Airlines
        S$ 125
        S$ 125
      • PWM06:00
        1h 47m
        Direct
        DCA07:47
        Sun, May 26|Portland - Washington D.C.|American Airlines
        S$ 125
        S$ 125
      • PWM12:35
        1h 44m
        Direct
        DCA14:19
        Tue, Jun 4|Portland - Washington D.C.|American Airlines
        S$ 126
        S$ 126
      • PWM12:34
        1h 46m
        Direct
        DCA14:20
        Thu, Jun 6|Portland - Washington D.C.|American Airlines
        S$ 129
        S$ 129
      • PWM12:35
        1h 44m
        Direct
        DCA14:19
        Fri, May 24|Portland - Washington D.C.|American Airlines
        S$ 133
        S$ 133
      • PWM06:01
        1h 46m
        Direct
        DCA07:47
        Sun, Jun 30|Portland - Washington D.C.|American Airlines
        S$ 133
        S$ 133
      • PWM05:30
        1h 58m
        Direct
        IAD07:28
        Tue, Jun 11|Portland - Washington D.C.|United Airlines
        S$ 151
        S$ 151
      • PWM13:00
        3h 5m
        Direct
        WAS14:00
        Fri, May 3|Portland - Washington D.C.|American Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Portland to Washington D.C.? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Portland to Washington D.C.. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Portland to Washington D.C.

View airlines operating flights from Portland to Washington D.C.. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

American Airlines
From S$ 125
United Airlines
From S$ 151
Delta Air Lines
From S$ 184
Southwest Airlines
From S$ 455
ANA airlines

Find more flights and airlines

Alternative Routes from Portland to Washington D.C.

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Portland to Washington D.C..

  • Cheapest
    American Airlines
    PWM
    06:00
    1h 50m
    Direct
    DCA
    07:50
    Portland International Jetport - Ronald Reagan Washington National Airport
    Fri, May 31American Airlines
    S$ 125
  • United Airlines
    PWM
    05:30
    1h 58m
    Direct
    IAD
    07:28
    Portland International Jetport - Dulles International Airport
    Tue, Jun 11United Airlines
    S$ 151
  • United Airlines
    PWM
    05:30
    1h 58m
    Direct
    IAD
    07:28
    Portland International Jetport - Dulles International Airport
    Tue, Jun 11United Airlines
    S$ 151
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Portland (PWM) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from Portland to Washington D.C. based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from Portland (PWM) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around S$ 543.

  • How long is a flight from Portland (PWM) to Washington D.C. (WAS)?

    It takes about 1 hour 54 minutes to fly from Portland (PWM) to Washington D.C. (WAS).

  • What are the most popular airlines that fly from Portland (PWM) to Washington D.C. (WAS)?

    Airlines with flights from Portland (PWM) to Washington D.C. (WAS): American Airlines, United Airlines, Southwest Airlines, Alaska Airlines, Avianca and Copa Airlines.

  • What's the most popular airline for direct flights from Portland (PWM) to Washington D.C. (WAS)?

    American Airlines operates 1 direct flights from Portland (PWM) to Washington D.C. (WAS).

  • How many airports in Washington D.C.?

    There are 2 airports near Washington D.C.: Ronald Reagan Washington National Airport and Dulles International Airport.

How to find a cheap flight from Portland to Washington D.C.

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to Washington D.C.. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Portland to Washington D.C.

Cheapest direct flight price

S$ 124

Cheapest return ticket price

S$ 249

Cheapest month

May

Peak season for travel

October

Flight distance

771.74km

Average flight time

1 hour 54 minutes

Popular airline

American Airlines

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