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Flights from Washington D.C. to Porto
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Latest Flight Deals from Washington D.C. to Porto

Book one-way or return flights from Washington D.C. to Porto from as little as €368. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • IAD18:50
        20h 10m
        1 stop
        OPO20:00
        Fri, Jul 5|Washington D.C. - Porto|PLAY Airline
        €368€468
        21% OFF
        21% OFF
        €468€368
      • IAD20:45
        15h 25m
        1 stop
        OPO17:10
        Thu, Aug 8|Washington D.C. - Porto|American Airlines
        €401€468
        14% OFF
        14% OFF
        €468€401
      • DCA17:43
        23h 47m
        1 stop
        OPO22:30
        Sat, Jun 22|Washington D.C. - Porto|American Airlines
        €417€468
        11% OFF
        11% OFF
        €468€417
      • DCA06:05
        11h 25m
        1 stop
        OPO22:30
        Sun, Jun 23|Washington D.C. - Porto|Delta Air Lines
        €423
        €423
      • IAD18:50
        20h 10m
        1 stop
        OPO20:00
        Mon, Jul 1|Washington D.C. - Porto|PLAY Airline
        €426
        €426
      • DCA08:30
        9h 55m
        1 stop
        OPO23:25
        Wed, Jun 5|Washington D.C. - Porto|Jetblue Airways
        €429
        €429
      • DCA07:50
        9h 40m
        1 stop
        OPO22:30
        Sun, Jun 2|Washington D.C. - Porto|American Airlines
        €433
        €433
      • DCA17:15
        24h 15m
        1 stop
        OPO22:30
        Sat, Jun 15|Washington D.C. - Porto|American Airlines
        €434
        €434
      • IAD22:30
        11h 30m
        1 stop
        OPO15:00
        Tue, Jul 23|Washington D.C. - Porto|TAP Air Portugal
        €435
        €435
      • IAD17:40
        10h 20m
        1 stop
        OPO09:00
        Wed, Jul 31|Washington D.C. - Porto|TAP Air Portugal
        €438
        €438
      • WAS13:00
        3h 5m
        Direct
        OPO14:00
        Fri, May 24|Washington D.C. - Porto|PLAY Airline
        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 Washington D.C. to Porto? Find one-way or return flights that are affordable and fit your itinerary.

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

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Washington D.C. to Porto

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

American Airlines
From €235
PLAY Airline
From €280
Icelandair
From €345
United Airlines
From €402
Porter Airlines
From €409
Royal Air Maroc
From €420
Delta Air Lines
From €423
Jetblue Airways
From €429
TAP Air Portugal
From €435
ITA Airways
From €443
ANA airlines

Find more flights and airlines

Alternative Routes from Washington D.C. to Porto

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

  • Cheapest
    American Airlines
    DCA
    07:30
    28h 10m
    2 transfer
    OPO
    16:40
    Ronald Reagan Washington National Airport - Francisco Sa Carneiro International Airport
    Mon, May 20American Airlines
    €235
  • PLAY Airline
    IAD
    18:50
    20h 10m
    1 transfer
    OPO
    20:00
    Dulles International Airport - Francisco Sa Carneiro International Airport
    Mon, Jul 8PLAY Airline
    €280
  • PLAY Airline
    IAD
    18:50
    20h 10m
    1 transfer
    OPO
    20:00
    Dulles International Airport - Francisco Sa Carneiro International Airport
    Mon, Jul 8PLAY Airline
    €280
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Washington D.C. (WAS) to Porto (OPO) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Porto based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Washington D.C. (WAS) to Porto (OPO) cost?

    According to Trip.com's data, the lowest price is around €1,212.

  • What is the transportation method from the main airport to downtown in Porto?

    • The distance from Francisco Sa Carneiro International Airport to downtown is about 9km. It takes about 20 minutes by taxi.

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

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 Washington D.C. to Porto. 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 Washington D.C. to Porto

Cheapest nonstop flight price

€368

Off-season for travel

May

Peak season for travel

November

Flight distance

5,667.87km

Popular airline

Swiss

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