DCA - OPO

$335 Find Cheap Flights from Reagan Washington National Airport to Porto - Compare and Save

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Everything you should know

Cheapest round-trip
$678
Typical prices: $816-$1,110
Multiple Airlines
Sun 11/25Sat 12/1
DCA - OPO • 3 stops
Cheapest one-way
$335
Typical prices: $456-$642
United Airlines
Sat 3/10
DCA - OPO • 1 stop
When to travel
Cheapest • 24% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $899 (round-trip)
Shortest trip • 10h 57m (one-way)
Insights
Insights
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Cheap Flights from Reagan-National to Porto (DCA-OPO)

 

Cheap flights from Reagan-National to Porto with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Wed, Nov 25 - Tue, Dec 1
Multiple Airlines Logo
4:05 pm - 10:00 pmDCA  Washington, D.C. Reagan-National-OPO Porto
24h 55m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas Lisbon Humberto Delgado
Multiple Airlines Logo
6:30 am - 9:59 pmOPO  Porto-DCA Washington, D.C. Reagan-National
20h 29m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl
$678Multiple Airlines
Wed, Nov 25 - Tue, Dec 1
Multiple Airlines Logo
4:05 pm - 3:15 pmDCA  Washington, D.C. Reagan-National-OPO Porto
18h 10m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas
Multiple Airlines Logo
6:30 am - 9:59 pmOPO  Porto-DCA Washington, D.C. Reagan-National
20h 29m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl
$683Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Multiple Airlines Logo
3:13 pm - 9:30 amDCA  Washington, D.C. Reagan-National-OPO Porto
13h 17m1 stop Newark
Multiple Airlines Logo
6:00 am - 10:38 pmOPO  Porto-DCA Washington, D.C. Reagan-National
21h 38m2 stops Frankfurt am Main Toronto Pearson Intl
$727Multiple Airlines
Tue, Nov 10 - Wed, Nov 18
Multiple Airlines Logo
10:59 am - 9:30 amDCA  Washington, D.C. Reagan-National-OPO Porto
17h 31m1 stop Newark
Multiple Airlines Logo
6:00 am - 10:38 pmOPO  Porto-DCA Washington, D.C. Reagan-National
21h 38m2 stops Frankfurt am Main Toronto Pearson Intl
$727Multiple Airlines
Sun, Jan 17 - Tue, Jan 26
Delta Logo
2:35 pm - 10:35 amDCA  Washington, D.C. Reagan-National-OPO Porto
15h 00m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 4:31 pmOPO  Porto-DCA Washington, D.C. Reagan-National
16h 31m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$728Delta
Mon, Jan 11 - Fri, Jan 15
Delta Logo
12:59 pm - 10:35 amDCA  Washington, D.C. Reagan-National-OPO Porto
16h 36m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
5:00 am - 4:31 pmOPO  Porto-DCA Washington, D.C. Reagan-National
16h 31m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$728Delta
Tue, Nov 10 - Wed, Nov 18
United Airlines Logo
1:15 pm - 9:30 amDCA  Washington, D.C. Reagan-National-OPO Porto
15h 15m1 stop Newark
United Airlines Logo
6:00 am - 9:57 pmOPO  Porto-DCA Washington, D.C. Reagan-National
20h 57m2 stops Frankfurt am Main Newark
$729United Airlines
Sun, Jan 17 - Tue, Jan 26
Delta Logo
2:35 pm - 10:35 amDCA  Washington, D.C. Reagan-National-OPO Porto
15h 00m2 stops Boston Logan Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 4:31 pmOPO  Porto-DCA Washington, D.C. Reagan-National
16h 31m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$729Delta
Wed, Nov 18 - Wed, Nov 25
Delta Logo
11:13 am - 8:15 amDCA  Washington, D.C. Reagan-National-OPO Porto
16h 02m1 stop New York John F Kennedy Intl
Delta Logo
5:00 am - 6:39 pmOPO  Porto-DCA Washington, D.C. Reagan-National
18h 39m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$731Delta
Wed, Nov 11 - Wed, Nov 18
Delta Logo
5:02 pm - 8:15 amDCA  Washington, D.C. Reagan-National-OPO Porto
10h 13m1 stop New York John F Kennedy Intl
Delta Logo
5:00 am - 7:59 pmOPO  Porto-DCA Washington, D.C. Reagan-National
19h 59m2 stops Amsterdam Schiphol Boston Logan Intl
$731Delta

Price, demand and travel trends for Washington, D.C. Reagan-National Airport to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to Porto?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to Porto. It’s 9% cheaper than the average day, while Thursday is the most expensive, with prices 23% higher.

Key details for Washington, D.C. Reagan-National Airport to Porto flights

Low season

January

Cheapest flight

$335
The most popular month to fly with an average 266% increase in travelers.
One-way flight from Washington, D.C. Reagan-National Airport to Porto

When to book flights from Reagan-National to Porto

Are your dates flexible? Find out the best times to travel from Reagan-National to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Reagan-National Airport to Porto flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Washington, D.C. Reagan-National Airport to Porto?

    Only Economy Class is available on flights from Washington, D.C. Reagan-National Airport to Porto.

  • How long is a flight from Washington, D.C. Reagan-National Airport to Porto?

    There are currently no nonstop flights available from Washington, D.C. Reagan-National Airport to Porto. Flights with 1 layover take between 10h 40m and 12h 07m in total, depending on the connection.

  • Do I need a passport to fly from Washington, D.C. Reagan-National Airport to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Washington, D.C. Reagan-National Airport to Porto flight?

    Round-trip flights from Washington, D.C. Reagan-National Airport to Porto range from $816 to $1,110, with an average of $931 over the past 12 months. Anything below $816 counts as a good deal.

  • How are flight prices from Washington, D.C. Reagan-National Airport to Porto looking right now?

    One-way fares from Washington, D.C. Reagan-National Airport to Porto are currently lower than usual. Average one-way flight prices are about $337, which is 36% below the typical average for this route.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:

    • GREEN MOTION
    • Drive on Holiday
    • Klass Wagen
    • Goldcar Rental SP
    • Sixt

  • Which airports can I use when flying from Washington, D.C. Reagan-National Airport to Porto?

    Flights from Washington, D.C. Reagan-National Airport to Porto usually depart from Washington, D.C. Reagan-National (DCA) and arrive at Porto (OPO).

  • Which airports do connecting flights from Washington, D.C. Reagan-National Airport to Porto pass through?

    One-stop flights from Washington, D.C. Reagan-National Airport to Porto most commonly connect through:

    • Newark (EWR) - 76% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 23% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 1% of one-stop connections

  • Can I save money by using flexible dates for flights from Washington, D.C. Reagan-National Airport to Porto?

    Yes. Flexible dates can save you up to 26% on flights from Washington, D.C. Reagan-National Airport to Porto. Wednesday is the cheapest departure day at $855 round-trip on average, while Thursday is the most expensive at $1,149, a difference of $294.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Reagan-National Airport to Porto?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 10h 40m, compared with 10h 57m via Newark (EWR) and 12h 07m via New York John F Kennedy Intl (JFK).

  • What is the time difference between Washington, D.C. Reagan-National Airport and Porto?

    Porto is 5 hours ahead of Washington, D.C. Reagan-National Airport (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Boavista Square. These are among the most viewed places in Porto on KAYAK.

Your guide to booking Washington, D.C. Reagan-National Airport to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $855, about $294 less than Thursday fares (26% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Reagan-National Airport to Porto trip for December. Fares historically average $708 round-trip in that month - typically $370 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

    • Opo Hotel Porto Aeroporto

More options for your flight from Reagan-National to Porto

Complete your trip to Porto with a hotel stay or car rental