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Cheap Flights from Portland to Washington D.C. starting at S$ 91

Book one-way or return flights from Portland to Washington D.C. from as little as S$ 91. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • PDX00:59
        8h 1m
        1 stop
        DCA12:00
        Tue, May 7|Portland - Washington D.C.|Frontier Airlines
        S$ 91S$ 147
        38% OFF
        38% OFF
        S$ 147S$ 91
      • PDX00:59
        8h 1m
        1 stop
        DCA12:00
        Tue, Apr 30|Portland - Washington D.C.|Frontier Airlines
        S$ 97S$ 147
        34% OFF
        34% OFF
        S$ 147S$ 97
      • PDX00:59
        8h 1m
        1 stop
        DCA12:00
        Wed, May 8|Portland - Washington D.C.|Frontier Airlines
        S$ 100S$ 147
        32% OFF
        32% OFF
        S$ 147S$ 100
      • PDX00:48
        8h 15m
        1 stop
        DCA12:03
        Sat, May 18|Portland - Washington D.C.|Frontier Airlines
        S$ 100
        S$ 100
      • PDX00:59
        8h 1m
        1 stop
        DCA12:00
        Tue, May 14|Portland - Washington D.C.|Frontier Airlines
        S$ 102
        S$ 102
      • PDX00:59
        8h 1m
        1 stop
        DCA12:00
        Wed, May 15|Portland - Washington D.C.|Frontier Airlines
        S$ 103
        S$ 103
      • PDX00:59
        8h 1m
        1 stop
        DCA12:00
        Mon, May 6|Portland - Washington D.C.|Frontier Airlines
        S$ 104
        S$ 104
      • PDX00:49
        8h 11m
        1 stop
        DCA12:00
        Sat, May 4|Portland - Washington D.C.|Frontier Airlines
        S$ 104
        S$ 104
      • PDX00:49
        18h 10m
        1 stop
        DCA21:59
        Sat, May 11|Portland - Washington D.C.|Frontier Airlines
        S$ 105
        S$ 105
      • PDX09:19
        9h 40m
        1 stop
        DCA21:59
        Thu, May 16|Portland - Washington D.C.|Frontier Airlines
        S$ 106
        S$ 106
      • PDX13:00
        3h 5m
        Direct
        WAS14:00
        Fri, May 3|Portland - Washington D.C.|Frontier 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.

Frontier Airlines
From S$ 91
Spirit Airlines
From S$ 180
Sun Country Airlines
From S$ 202
United Airlines
From S$ 206
American Airlines
From S$ 217
Delta Air Lines
From S$ 223
Jetblue Airways
From S$ 266
Southwest Airlines
From S$ 289
Alaska Airlines
From S$ 516
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
    Frontier Airlines
    PDX
    00:59
    8h 1m
    1 transfer
    DCA
    12:00
    Portland International Airport - Ronald Reagan Washington National Airport
    Tue, May 7Frontier Airlines
    S$ 91
  • Frontier Airlines
    PDX
    15:36
    22h 23m
    1 transfer
    IAD
    16:59
    Portland International Airport - Dulles International Airport
    Mon, Apr 29Frontier Airlines
    S$ 169
  • Frontier Airlines
    PDX
    15:36
    22h 23m
    1 transfer
    IAD
    16:59
    Portland International Airport - Dulles International Airport
    Mon, Apr 29Frontier Airlines
    S$ 169
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Portland (PDX) 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 (PDX) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around S$ 610.

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

    It takes about 6 hours 14 minutes to fly from Portland (PDX) to Washington D.C. (WAS).

  • What time does the earliest flight from Portland to Washington D.C. depart?

    The earliest flight departs from Portland (PDX) at 09:28 and arrives in Washington D.C. (DCA) at 17:38.

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

    Airlines with flights from Portland (PDX) to Washington D.C. (WAS): Brussels Airlines, United Airlines and Alaska Airlines.

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

    United Airlines operates 2 direct flights from Portland (PDX) 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$ 91

Cheapest return ticket price

S$ 415

Cheapest month

January

Peak season for travel

October

Flight distance

3,771.98km

Average flight time

6 hours 14 minutes

Popular airline

Alaska Airlines

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