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Cheap flights from Porto to Washington, D.C. from $403

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Porto to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:25 pm - 12:06 pmOPO  Porto-DCA Washington, D.C. Reagan-National
28h 41m2 stops Madrid Barajas Boston Logan Intl
American Airlines Logo
6:11 am - 7:40 amDCA  Washington, D.C. Reagan-National-OPO Porto
20h 29m2 stops Charlotte Douglas Madrid Barajas
$479American Airlines
Thu, Nov 12 - Mon, Nov 16
American Airlines Logo
12:25 pm - 4:20 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
32h 55m1 stop Madrid Barajas
American Airlines Logo
7:00 am - 7:40 amIAD  Washington, D.C. Dulles Intl-OPO Porto
19h 40m2 stops Charlotte Douglas Madrid Barajas
$485American Airlines
Thu, Jan 14 - Sun, Jan 17
Multiple Airlines Logo
1:00 pm - 5:15 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
33h 15m3 stops Lisbon Humberto Delgado Amsterdam Schiphol Kastrup Copenhagen
Multiple Airlines Logo
8:30 pm - 7:20 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
17h 50m2 stops Kastrup Copenhagen Amsterdam Schiphol
$538Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Iberia Logo
8:40 pm - 7:55 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
28h 15m2 stops Madrid Barajas London Heathrow
Iberia Logo
9:45 pm - 8:00 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
17h 15m2 stops London Heathrow Madrid Barajas
$544Iberia
Thu, Jan 14 - Sun, Jan 17
TAP AIR PORTUGAL Logo
5:05 am - 3:10 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:25 pm - 10:15 amIAD  Washington, D.C. Dulles Intl-OPO Porto
11h 50m1 stop Lisbon Humberto Delgado
$550TAP AIR PORTUGAL
Wed, Oct 14 - Mon, Nov 30
Multiple Airlines Logo
4:00 pm - 5:15 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
30h 15m3 stops Lisbon Humberto Delgado Amsterdam Schiphol Kastrup Copenhagen
Multiple Airlines Logo
8:30 pm - 7:30 amIAD  Washington, D.C. Dulles Intl-OPO Porto
30h 00m3 stops Kastrup Copenhagen Amsterdam Schiphol Lisbon Humberto Delgado
$572Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Delta Logo
5:00 am - 3:55 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 55m1 stop Amsterdam Schiphol
Delta Logo
6:40 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-OPO Porto
10h 55m1 stop Paris Charles de Gaulle
$577Delta
Sat, Nov 7 - Sat, Nov 14
Delta Logo
5:00 am - 3:55 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 55m1 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
$578Delta
Wed, Nov 4 - Wed, Nov 11
Multiple Airlines Logo
5:00 am - 3:55 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 55m1 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
$578Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Delta Logo
5:00 am - 3:45 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 45m1 stop Amsterdam Schiphol
Delta Logo
6:40 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-OPO Porto
10h 55m1 stop Paris Charles de Gaulle
$578Delta
Tue, Nov 17 - Sun, Nov 22

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United Airlines flights from Porto to Washington, D.C.

Our best United Airlines deals on Porto to Washington, D.C. flight tickets
United Airlines
Jan 14
OPO6:00 amPorto
13h 35m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Jan 17
IAD6:00 pmWashington, D.C. Dulles Intl
16h 20m
1 stop
OPO3:20 pmPorto
$700
United Airlines
Jan 14
OPO6:00 amPorto
13h 35m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Jan 17
IAD6:00 pmWashington, D.C. Dulles Intl
16h 20m
1 stop
OPO3:20 pmPorto
$702
United Airlines
Jan 14
OPO6:00 amPorto
13h 35m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Jan 17
IAD6:00 pmWashington, D.C. Dulles Intl
16h 20m
1 stop
OPO3:20 pmPorto
$704

KLM flights from Porto to Washington, D.C.

Our best KLM deals on Porto to Washington, D.C. flight tickets
KLM
Oct 2
OPO5:55 amPorto
15h 10m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Oct 6
IAD6:15 pmWashington, D.C. Dulles Intl
16h 10m
1 stop
OPO3:25 pmPorto
$581
KLM
Oct 22
OPO5:55 amPorto
15h 10m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Oct 30
IAD7:15 pmWashington, D.C. Dulles Intl
11h 15m
1 stop
OPO10:30 amPorto
$589
KLM
Nov 9
OPO5:00 amPorto
15h 55m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Nov 24
IAD5:45 pmWashington, D.C. Dulles Intl
11h 45m
1 stop
OPO10:30 amPorto
$604

momondo Fare Finder

 
Use the filters below to find and compare flights from Porto to Washington, D.C. that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoWashington, D.C.

OPO Porto - DCA Washington, D.C. Reagan-National

OPODCA

Porto

Thu 11/12

12:25 pm-12:06 pm

2 stops28h 41m

Washington, D.C. Reagan-National

Mon 11/16

6:11 am-7:40 am

2 stops20h 29m

$479

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Thu 1/14

12:25 pm-4:20 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Sun 1/17

7:00 am-7:40 am

2 stops19h 40m

$485

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Wed 11/4

1:00 pm-5:15 pm

3 stops33h 15m

Washington, D.C. Dulles Intl

Wed 11/11

8:30 pm-7:20 pm

2 stops17h 50m

$538

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Thu 1/14

8:40 pm-7:55 pm

2 stops28h 15m

Washington, D.C. Dulles Intl

Sun 1/17

9:45 pm-8:00 pm

2 stops17h 15m

$544

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Wed 10/14

5:05 am-3:10 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Mon 11/30

5:25 pm-10:15 am

1 stop11h 50m

$550

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Wed 11/4

4:00 pm-5:15 pm

3 stops30h 15m

Washington, D.C. Dulles Intl

Wed 11/11

8:30 pm-7:30 am

3 stops30h 00m

$572

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Sat 11/7

5:00 am-3:55 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Sat 11/14

6:40 pm-10:35 am

1 stop10h 55m

$577

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Wed 11/4

5:00 am-3:55 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Wed 11/11

12:35 pm-10:35 am

2 stops17h 00m

$578

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Wed 11/4

5:00 am-3:55 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Wed 11/11

6:40 pm-10:35 am

1 stop10h 55m

$578
Quickest round-trip

PortoWashington, D.C.

OPO Porto - IAD Washington, D.C. Dulles Intl

OPOIAD

Porto

Tue 11/17

5:00 am-3:45 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Sun 11/22

6:40 pm-10:35 am

1 stop10h 55m

$578

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Porto to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Porto and Washington, D.C.?

Prices are currently low for flights on this route.

Typical prices usually range from $630 to $937.
The lowest price recently found on this route was $538.

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

The month of March is, on average, the cheapest month to fly to Washington, D.C. from Porto, with most prices found around $554. If you’re not able to fly to Washington, D.C. in March, then February is your next best option. Flight prices from Porto to Washington, D.C. during February average around $595.

Can stopping save me money on Porto to Washington, D.C. flights?

You could potentially save up to 20% on your flight if you consider stops on a Porto to Washington, D.C. flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto to Washington, D.C. (OPO to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Washington, D.C.

Best Price Found

$403

Fastest flight time

14h 45m

Direct flights

None
The best one-way flight to Washington, D.C. from Porto in the past 72 hours is $403. The best round-trip flight deal from Porto to Washington, D.C. found on momondo in the last 72 hours is $479.
The fastest flight from Porto to Washington, D.C. takes 14h 45m
There are no direct flights from Porto to Washington, D.C.. There are no popular flight routes from Porto to Washington, D.C..
Search flight deals

Frequently asked questions about flying from Porto to Washington, D.C.

  • How far is Porto to Washington, D.C. by plane?

    Porto and Washington, D.C. are 3523.1 mi apart from one another. 14h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Porto Airport to Washington, D.C.?

    Prices for flights from Porto Airport to Washington, D.C. refresh daily.

  • How old do you have to be to fly from Porto Airport to Washington, D.C.?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Fredericksburg
Waldorf
Laurel
Woodbridge
Linthicum Heights
Gaithersburg
Rockville
Silver Spring
Towson
Fairfax
Springfield
Glen Burnie
Edgewood
Colonial Beach
College Park
Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Porto to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Porto to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Porto with this policy.

How can momondo help me find flights from Porto to Washington, D.C.?

Once all potential Porto to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Porto to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Porto to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport