OPO - WAS

$428 Find Cheap Flights from Porto to Washington, D.C. - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$582
Typical prices: $596-$843
TAP AIR PORTUGAL
Fri 11/9Fri 11/30
OPO - IAD • 1 stop
Cheapest one-way
$428
Typical prices: $508-$800
Multiple Airlines
Sun 11/4
OPO - IAD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Porto and Washington, D.C.. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
OPO - IAD
Cheapest • 3% average savings
OPO - DCA
Most popular
Insights
Insights
When to travel
March
Cheapest • 34% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Amsterdam Schiphol (AMS)
Cheapest • Avg $593 (round-trip)
New York John F Kennedy Intl (JFK)
Shortest trip • 10h 29m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C.!
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Booking Insights
Flight Deals

Cheap Flights from Porto to Washington, D.C. (OPO-WAS)

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

Recent round-trip flight deals from Porto to Washington, D.C.

Mon, Nov 9 - Mon, Nov 30
TAP AIR PORTUGAL Logo
8:00 pm - 2:40 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
23h 40m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:25 pm - 10:00 amIAD  Washington, D.C. Dulles Intl-OPO Porto
11h 35m1 stop Lisbon Humberto Delgado
$582TAP AIR PORTUGAL
Tue, Nov 17 - Tue, Dec 8
Multiple Airlines Logo
5:00 am - 3:45 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 45m1 stop Amsterdam Schiphol
Multiple Airlines Logo
6:40 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-OPO Porto
10h 55m1 stop Paris Charles de Gaulle
$583Multiple Airlines
Thu, Oct 29 - Thu, Nov 5
Delta Logo
5:00 am - 4:45 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 45m1 stop Amsterdam Schiphol
Delta Logo
12:30 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-OPO Porto
17h 05m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
$583Delta
Fri, Oct 2 - Thu, Oct 15
Delta Logo
5:00 am - 3:35 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 35m1 stop Amsterdam Schiphol
Delta Logo
9:45 pm - 3:25 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
12h 40m1 stop Paris Charles de Gaulle
$583Delta
Sat, Jan 9 - Wed, Jan 13
KLM Logo
5:00 am - 3:55 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 55m1 stop Amsterdam Schiphol
KLM Logo
6:40 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-OPO Porto
10h 55m1 stop Paris Charles de Gaulle
$583KLM
Thu, Oct 8 - Mon, Oct 19
KLM Logo
5:00 am - 3:35 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 35m1 stop Amsterdam Schiphol
KLM Logo
6:15 pm - 3:25 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
16h 10m1 stop Paris Charles de Gaulle
$583KLM
Thu, Oct 22 - Thu, Nov 12
KLM Logo
5:00 am - 3:35 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 35m1 stop Amsterdam Schiphol
KLM Logo
6:40 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-OPO Porto
10h 55m1 stop Paris Charles de Gaulle
$583KLM
Thu, Sep 24 - Wed, Oct 7
Delta Logo
5:00 am - 3:35 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 35m1 stop Amsterdam Schiphol
Delta Logo
10:20 pm - 3:25 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
12h 05m1 stop Paris Charles de Gaulle
$583Delta
Thu, Oct 22 - Thu, Nov 12
Delta Logo
5:00 am - 3:35 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 35m1 stop Amsterdam Schiphol
Delta Logo
12:35 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-OPO Porto
17h 00m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
$583Delta
Thu, Oct 1 - Wed, Oct 14
Multiple Airlines Logo
5:00 am - 3:35 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 35m1 stop Amsterdam Schiphol
Multiple Airlines Logo
9:45 pm - 10:00 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
19h 15m1 stop Paris Charles de Gaulle
$584Multiple Airlines
Booking Insights

Price, demand and travel trends for Porto to Washington, D.C. flights

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

How much is a round-trip flight from Porto to Washington, D.C.?

Round-trip flights from Porto to Washington, D.C. start at $582. Prices are below average for this route right now, with typical round-trip fares ranging from $596 to $843. The lowest price found in the past 5 days was $582 on TAP AIR PORTUGAL.

What is the cheapest Porto to Washington, D.C. flight route?

There's little price difference between Porto to Washington, D.C. routes. They average around $728 round-trip, based on KAYAK data over the past 12 months.

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

Monday is the cheapest day of the week to fly from Porto to Washington, D.C., it is 15% cheaper than the average day. Sunday is the most expensive day with flight prices 18% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Porto to Washington, D.C.?

  • March is the cheapest month to fly from Porto to Washington, D.C. at $475 round-trip.
  • January ($1,077) and July ($901) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 126% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Porto to Washington, D.C. flights

Low season

January

Cheapest flight

$428
Best time to beat the crowds but there is an average 50% increase in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Porto to Washington, D.C. Dulles Intl Airport

When to book flights from Porto to Washington, D.C.

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

Your Porto to Washington, D.C. flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

    Flights from Porto to Washington, D.C. usually depart from Porto (OPO) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

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

    Three cabin classes are available on flights from Porto to Washington, D.C.:

    • Economy Class
    • Premium Economy Class
    • Business Class

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

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

    • Lisbon Humberto Delgado (LIS) - 42% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 15% of one-stop connections
    • Frankfurt am Main (FRA) - 14% of one-stop connections
    • Madrid Barajas (MAD) - 14% of one-stop connections

    Lisbon Humberto Delgado (LIS) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 29% on the Porto to Washington, D.C. route. Monday is the cheapest departure day at $610 round-trip on average, while Sunday is the most expensive at $851, a difference of $241. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. on KAYAK.

  • How long is a flight from Porto to Washington, D.C.?

    A nonstop flight from Porto to Washington, D.C. takes 0h 00m, covering 3,518 miles.

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

    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 are flight prices from Porto to Washington, D.C. looking right now?

    One-way fares from Porto to Washington, D.C. are currently lower than usual. Average one-way flight prices are about $439, which is 29% below the typical average for this route.

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

    Flying via New York John F Kennedy Intl (JFK) gives the shortest average 1-stop total travel time at 10h 29m, compared with 10h 40m via Newark (EWR) and 10h 42m via Montreal Pierre Elliott Trudeau Intl (YUL).

  • What is the time difference between Porto and Washington, D.C.?

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

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) — daily rates from around $23:

    • Sixt
    • Dollar
    • Thrifty
    • Alamo
    • Budget

    Near Washington, D.C. Dulles Intl Airport (IAD) — daily rates from around $24:

    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

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

    Round-trip flights from Porto to Washington, D.C. range from $596 to $843, with an average of $716 over the past 12 months. Anything below $596 counts as a good deal.

Your guide to booking Porto to Washington, D.C. flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Sunday. On this route, Monday flights average $610 - about $241 less than Sunday (28% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Porto to Washington, D.C. trip for March. Fares historically average $475 round-trip in that month - typically $602 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.
    - Hyatt House Washington DC The Wharf
    - Intercontinental Hotels Washington D.C. - The Wharf By IHG
    - Pendry Washington DC - The Wharf

More options for your flight from Porto to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental

Car rentals in Washington, D.C.
Hotels in Washington, D.C.
Vacations in Washington, D.C.