DCA - OPO

$338 Find Cheap Flights from Reagan Washington National Airport to Porto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$729
Typical prices: $814-$1,078
United Airlines, Air Canada
Sat 3/17Mon 4/2
DCA - OPO • 1 stop
Cheapest one-way
$338
Typical prices: $456-$628
United Airlines
Wed 3/21
DCA - OPO • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Reagan-National Airport and Porto. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
December
Cheapest • 24% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Montreal Pierre Elliott Trudeau Intl (YUL)
Cheapest • Avg $899 (round-trip)
Newark (EWR)
Shortest trip • 10h 58m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Reagan-National to Porto (DCA-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reagan-National to Porto

Wed, Mar 17 - Fri, Apr 2
Multiple Airlines Logo
11:00 am - 9:30 amDCA  Washington, D.C. Reagan-National-OPO Porto
18h 30m1 stop Newark
Multiple Airlines Logo
6:20 am - 9:55 pmOPO  Porto-DCA Washington, D.C. Reagan-National
20h 35m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl
$729Multiple Airlines
Mon, Apr 12 - Thu, Apr 15
United Airlines Logo
1:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
15h 45m1 stop Newark
United Airlines Logo
12:00 pm - 10:33 pmOPO  Porto-DCA Washington, D.C. Reagan-National
15h 33m2 stops Frankfurt am Main Toronto Pearson Intl
$731United Airlines
Sun, Apr 11 - Thu, Apr 15
United Airlines Logo
12:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
16h 45m1 stop Newark
United Airlines Logo
12:00 pm - 10:33 pmOPO  Porto-DCA Washington, D.C. Reagan-National
15h 33m2 stops Frankfurt am Main Toronto Pearson Intl
$731United Airlines
Sun, Apr 11 - Wed, Apr 21
Multiple Airlines Logo
1:56 pm - 7:40 amDCA  Washington, D.C. Reagan-National-OPO Porto
12h 44m2 stops New York John F Kennedy Intl Madrid Barajas
Multiple Airlines Logo
12:25 pm - 10:17 pmOPO  Porto-DCA Washington, D.C. Reagan-National
14h 52m2 stops Madrid Barajas New York John F Kennedy Intl
$731Multiple Airlines
Sun, Apr 11 - Fri, Apr 16
United Airlines Logo
12:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
16h 45m1 stop Newark
United Airlines Logo
6:00 am - 7:33 pmOPO  Porto-DCA Washington, D.C. Reagan-National
18h 33m2 stops Frankfurt am Main Newark
$733United Airlines
Sun, Apr 11 - Wed, Apr 14
United Airlines Logo
7:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
9h 45m1 stop Newark
United Airlines Logo
6:00 am - 6:23 pmOPO  Porto-DCA Washington, D.C. Reagan-National
17h 23m2 stops Frankfurt am Main Newark
$733United Airlines
Sun, Apr 11 - Tue, Apr 20
United Airlines Logo
7:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
9h 45m1 stop Newark
United Airlines Logo
6:00 am - 5:23 pmOPO  Porto-DCA Washington, D.C. Reagan-National
16h 23m2 stops Frankfurt am Main Newark
$733United Airlines
Mon, Apr 12 - Tue, Apr 20
United Airlines Logo
7:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
9h 45m1 stop Newark
United Airlines Logo
6:00 am - 5:23 pmOPO  Porto-DCA Washington, D.C. Reagan-National
16h 23m2 stops Frankfurt am Main Newark
$733United Airlines
Mon, Apr 12 - Fri, Apr 16
United Airlines Logo
1:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
15h 45m1 stop Newark
United Airlines Logo
6:00 am - 7:33 pmOPO  Porto-DCA Washington, D.C. Reagan-National
18h 33m2 stops Frankfurt am Main Newark
$733United Airlines
Wed, Apr 7 - Thu, Apr 15
Delta Logo
2:00 pm - 10:30 amDCA  Washington, D.C. Reagan-National-OPO Porto
15h 30m1 stop New York LaGuardia
Delta Logo
5:00 am - 4:31 pmOPO  Porto-DCA Washington, D.C. Reagan-National
16h 31m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$734Delta
Booking Insights

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, Monday is the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to Porto. It’s 7% cheaper than the average day, while Thursday is the most expensive, with prices 23% higher.

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

Low season

January

Cheapest flight

$338
Beat the crowds with an average 92% drop in travelers.
The most popular month to fly with an average 145% 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?

    A nonstop flight from Washington, D.C. Reagan-National Airport to Porto takes 00m, covering 3,520 miles.

  • 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 $814 to $1,078, with an average of $928 over the past 12 months. Anything below $814 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 $356, which is 32% 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 averaging $23 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) - 75% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 24% 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 25% on flights from Washington, D.C. Reagan-National Airport to Porto. Monday is the cheapest departure day at $869 round-trip on average, while Thursday is the most expensive at $1,149, a difference of $280.

    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 58m 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 Mercado do Bolhão. 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 Monday departure and avoid flying on Thursday. On this route, Monday flights average $869, about $280 less than Thursday fares (24% 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.

    • Ap Aeroporto Porto

More options for your flight from Reagan-National to Porto

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

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