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Dulles International Airport to Francisco Sa Carneiro International Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Francisco Sa Carneiro International Airport over the next 90 days, with one-way fares from CAD 582 and round-trip from CAD 805. Based on Trip.com's latest 7-day flight data.

      • IAD 17:50
        17h 10m
        1 stop
        OPO 16:00
        Washington D.C. - Porto | Wed, Nov 25 | American Airlines
        OPO 20:40
        24h 40m
        1 stop
        IAD 16:20
        Porto - Washington D.C. | Wed, Dec 2 | American Airlines
        CAD 805 CAD 1,111
        28% off
        28% off
        CAD 1,111 CAD 805
      • IAD 17:50
        10h 40m
        1 stop
        OPO 09:30
        Washington D.C. - Porto | Tue, Nov 17 | United Airlines
        OPO 12:35
        23h 45m
        1 stop
        IAD 07:20
        Porto - Washington D.C. | Tue, Nov 24 | United Airlines
        CAD 821 CAD 1,111
        26% off
        26% off
        CAD 1,111 CAD 821
      • IAD 22:30
        11h 30m
        1 stop
        OPO 15:00
        Washington D.C. - Porto | Wed, Dec 2 | TAP Air Portugal
        OPO 11:00
        14h 30m
        1 stop
        IAD 20:30
        Porto - Washington D.C. | Wed, Dec 9 | TAP Air Portugal
        CAD 829 CAD 1,111
        25% off
        25% off
        CAD 1,111 CAD 829
      • IAD 22:30
        10h
        1 stop
        OPO 13:30
        Washington D.C. - Porto | Fri, Nov 13 | TAP Air Portugal
        OPO 08:30
        17h
        1 stop
        IAD 20:30
        Porto - Washington D.C. | Fri, Nov 20 | TAP Air Portugal
        CAD 829
        25% off
        CAD 1,111 CAD 829
      • IAD 17:25
        11h 35m
        1 stop
        OPO 10:00
        Washington D.C. - Porto | Thu, Nov 12 | TAP Air Portugal
        OPO 05:00
        15h 15m
        1 stop
        IAD 15:15
        Porto - Washington D.C. | Thu, Nov 19 | TAP Air Portugal
        CAD 829
        25% off
        CAD 1,111 CAD 829
      • IAD 17:25
        11h 35m
        1 stop
        OPO 10:00
        Washington D.C. - Porto | Thu, Nov 26 | TAP Air Portugal
        OPO 05:00
        15h 15m
        1 stop
        IAD 15:15
        Porto - Washington D.C. | Thu, Dec 3 | TAP Air Portugal
        CAD 829
        25% off
        CAD 1,111 CAD 829
      • IAD 22:30
        15h 30m
        1 stop
        OPO 19:00
        Washington D.C. - Porto | Wed, Nov 11 | TAP Air Portugal
        OPO 18:00
        26h 15m
        1 stop
        IAD 15:15
        Porto - Washington D.C. | Sun, Nov 15 | TAP Air Portugal
        CAD 832
        25% off
        CAD 1,111 CAD 832
      • IAD 17:25
        12h 35m
        1 stop
        OPO 11:00
        Washington D.C. - Porto | Tue, Dec 1 | TAP Air Portugal
        OPO 05:00
        14h 40m
        1 stop
        IAD 14:40
        Porto - Washington D.C. | Tue, Dec 8 | TAP Air Portugal
        CAD 833
        25% off
        CAD 1,111 CAD 833
      • IAD 17:25
        19h 35m
        1 stop
        OPO 18:00
        Washington D.C. - Porto | Tue, Nov 10 | TAP Air Portugal
        OPO 05:00
        14h 40m
        1 stop
        IAD 14:40
        Porto - Washington D.C. | Tue, Nov 17 | TAP Air Portugal
        CAD 833
        25% off
        CAD 1,111 CAD 833
      • IAD 22:30
        15h 30m
        1 stop
        OPO 19:00
        Washington D.C. - Porto | Wed, Nov 4 | TAP Air Portugal
        OPO 18:00
        26h 15m
        1 stop
        IAD 15:15
        Porto - Washington D.C. | Wed, Nov 11 | TAP Air Portugal
        CAD 833
        25% off
        CAD 1,111 CAD 833
      • IAD 17:25
        23h 35m
        1 stop
        OPO 22:00
        Washington D.C. - Porto | Mon, Nov 16 | TAP Air Portugal
        OPO 16:00
        27h 40m
        1 stop
        IAD 14:40
        Porto - Washington D.C. | Mon, Nov 23 | TAP Air Portugal
        CAD 833
        25% off
        CAD 1,111 CAD 833
      • IAD 17:25
        19h 35m
        1 stop
        OPO 18:00
        Washington D.C. - Porto | Mon, Nov 9 | TAP Air Portugal
        OPO 16:00
        27h 40m
        1 stop
        IAD 14:40
        Porto - Washington D.C. | Mon, Nov 16 | TAP Air Portugal
        CAD 833
        25% off
        CAD 1,111 CAD 833
      • WAS 13:00
        17h 25m
        1 stop
        OPO 14:00
        Washington D.C. - Porto | Sat, Oct 10 | Normal Airline
        OPO 15:00
        6h
        Direct
        WAS 16:00
        Porto - Washington D.C. | Mon, Oct 12 | Normal Airline
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      • IAD 11:25
        19h 20m
        1 stop
        OPO 11:45
        Washington D.C. - Porto | Fri, Oct 23 | Porter Airlines
        CAD 582 CAD 910
        36% off
        36% off
        CAD 910 CAD 582
      • IAD 22:30
        21h
        1 stop
        OPO 00:30
        Washington D.C. - Porto | Sun, Nov 8 | TAP Air Portugal
        CAD 621 CAD 910
        32% off
        32% off
        CAD 910 CAD 621
      • IAD 18:25
        26h 5m
        1 stop
        OPO 00:30
        Washington D.C. - Porto | Mon, Oct 26 | TAP Air Portugal
        CAD 622 CAD 910
        32% off
        32% off
        CAD 910 CAD 622
      • IAD 17:05
        20h 55m
        1 stop
        OPO 18:00
        Washington D.C. - Porto | Sat, Oct 24 | TAP Air Portugal
        CAD 648
        28% off
        CAD 910 CAD 648
      • IAD 08:37
        19h 53m
        1 stop
        OPO 09:30
        Washington D.C. - Porto | Sun, Nov 8 | United Airlines
        CAD 648
        28% off
        CAD 910 CAD 648
      • IAD 12:30
        14h 45m
        1 stop
        OPO 08:15
        Washington D.C. - Porto | Sun, Nov 8 | Delta Air Lines
        CAD 649
        28% off
        CAD 910 CAD 649
      • IAD 17:05
        24h 50m
        1 stop
        OPO 22:55
        Washington D.C. - Porto | Fri, Oct 23 | TAP Air Portugal
        CAD 651
        28% off
        CAD 910 CAD 651
      • IAD 12:36
        16h 54m
        1 stop
        OPO 09:30
        Washington D.C. - Porto | Mon, Oct 26 | United Airlines
        CAD 663
        27% off
        CAD 910 CAD 663
      • IAD 11:20
        14h 45m
        1 stop
        OPO 07:05
        Washington D.C. - Porto | Fri, Nov 20 | Porter Airlines
        CAD 668
        27% off
        CAD 910 CAD 668
      • IAD 22:40
        30h 50m
        1 stop
        OPO 09:30
        Washington D.C. - Porto | Sat, Oct 24 | United Airlines
        CAD 672
        26% off
        CAD 910 CAD 672
      • IAD 22:30
        19h 30m
        1 stop
        OPO 22:00
        Washington D.C. - Porto | Mon, Oct 26 | Delta Air Lines
        CAD 676
        26% off
        CAD 910 CAD 676
      • IAD 20:10
        34h 5m
        1 stop
        OPO 11:15
        Washington D.C. - Porto | Sun, Nov 8 | Swiss Airlines
        CAD 682
        25% off
        CAD 910 CAD 682
      • WAS 13:00
        17h 25m
        1 stop
        OPO 14:00
        Washington D.C. - Porto | Sat, Oct 10 | Normal Airline
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Displayed flight fares from Dulles International Airport to Francisco Sa Carneiro International Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

Which airline offers the cheapest flights from Dulles International Airport to Francisco Sa Carneiro International Airport?

The cheapest airline flying from Dulles International Airport to Francisco Sa Carneiro International Airport is Icelandair (from CAD 531) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Icelandair
From CAD 531
Porter Airlines
From CAD 582
Delta Air Lines
From CAD 608
TAP Air Portugal
From CAD 621
United Airlines
From CAD 648
Swiss Airlines
From CAD 682
Lufthansa
From CAD 685
Brussels Airlines
From CAD 686
KLM
From CAD 686
Air France
From CAD 686

Find more flights and airlines

What is the flight schedule from Dulles International Airport to Francisco Sa Carneiro International Airport?

Check the schedule for flights from Washington D.C. to Porto and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. BA292

    Dulles International Airport

    22:25

    IAD

    7h 25m

    Direct

    10:50

    LHR

    S M T W T F S
    Search

  2. BA2666

    London Gatwick Airport

    14:20

    LGW

    2h 25m

    Direct

    16:45

    OPO

    - M - W T F -

  3. FI644

    Dulles International Airport

    20:30

    IAD

    5h 55m

    Direct

    06:25

    KEF

    S M - W T F -
    Search

  4. FI204

    Keflavík International Airport

    07:40

    KEF

    3h 15m

    Direct

    12:55

    CPH

    S M T W T F S

  5. SK2773

    Copenhagen Airport

    07:15

    CPH

    3h 30m

    Direct

    09:45

    OPO

    S - T W T - S

  6. LH419

    Dulles International Airport

    18:05

    IAD

    7h 50m

    Direct

    07:55

    FRA

    S M T W T F S
    Search

  7. LH1176

    Frankfurt Airport

    09:25

    FRA

    2h 50m

    Direct

    11:15

    OPO

    S M T W T F S

  8. AC8724

    Dulles International Airport

    09:55

    IAD

    1h 43m

    Direct

    11:38

    YUL

    S M T W T F S
    Search

  9. AC928

    Montréal-Pierre Elliott Trudeau International Airport

    20:50

    YUL

    6h 40m

    Direct

    08:30

    OPO

    S M T - T F -

  10. IB362

    Dulles International Airport

    17:50

    IAD

    7h 50m

    Direct

    07:40

    MAD

    S - T - T F S
    Search

  11. IB1151

    Madrid Barajas Airport

    15:40

    MAD

    1h 20m

    Direct

    16:00

    OPO

    S M T W T F S

  12. DL8752

    Dulles International Airport

    21:45

    IAD

    7h 30m

    Direct

    11:15

    CDG

    - M T W - F S
    Search

  13. DL8408

    Paris Charles de Gaulle Airport

    20:45

    CDG

    2h 15m

    Direct

    22:00

    OPO

    - - - W - - -

  14. PD2720

    Dulles International Airport

    11:25

    IAD

    1h 30m

    Direct

    12:55

    YTZ

    S M T W T F S
    Search

  15. TS764

    Toronto Pearson International Airport

    23:55

    YYZ

    7h

    Direct

    11:55

    OPO

    - - T - T - S

  16. AF053

    Dulles International Airport

    21:45

    IAD

    7h 30m

    Direct

    11:15

    CDG

    - M T W - F S
    Search

  17. AF1516

    Paris Charles de Gaulle Airport

    20:45

    CDG

    2h 15m

    Direct

    22:00

    OPO

    S M T W T F S

  18. KL2372

    Dulles International Airport

    21:45

    IAD

    7h 30m

    Direct

    11:15

    CDG

    - M T W - F S
    Search

  19. KL2394

    Paris Charles de Gaulle Airport

    16:50

    CDG

    2h 25m

    Direct

    18:15

    OPO

    S M T W T F S

  20. DL8752

    Dulles International Airport

    21:45

    IAD

    7h 30m

    Direct

    11:15

    CDG

    - M T W - F S
    Search

  21. DL8586

    Paris Charles de Gaulle Airport

    20:45

    CDG

    2h 15m

    Direct

    22:00

    OPO

    - - - - - F -
Find more flights and airlines

About Dulles International Airport and Francisco Sa Carneiro International Airport

Learn about Dulles International Airport (IAD) and Francisco Sa Carneiro International Airport (OPO) — including location, terminals, transportation, and travel tips.

Flight distance 5,703.63km
Cheapest one-way ticket price CAD 582
Cheapest return ticket price CAD 805

FAQs for Dulles International Airport to Francisco Sa Carneiro International Airport Flights

  • 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, by taxi about 20 minutes.
  • The closest airport to Francisco Sa Carneiro International Airport (OPO) is Viseu Airport. The distance is around 87km.
  • One-way flights from Dulles International Airport to Francisco Sa Carneiro International Airport currently start from CAD 582, and round-trip fares start from CAD 805. The current lowest fare is a Porter Airlines flight departing on Fri, Oct 23; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Dulles International Airport to Francisco Sa Carneiro International Airport is CAD 815. Prices may vary depending on the departure date, airline, and availability.
  • Enter Dulles International Airport and Francisco Sa Carneiro International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.