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Cheap flights from Porto to Washington, D.C. from $401

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.
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
$581Delta
Mon, Nov 2 - Mon, Nov 16
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
$581Delta
Mon, Nov 2 - Mon, Nov 16
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
Mon, Nov 9 - Mon, Nov 30
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
Sat, Jan 9 - Wed, Jan 13
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, Oct 22 - Thu, Nov 12
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
Tue, Nov 17 - Tue, Dec 8
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
Thu, Oct 29 - Thu, Nov 5
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
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
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 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
6:15 pm - 3:25 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
16h 10m1 stop Paris Charles de Gaulle
$583KLM
Thu, Oct 8 - Mon, Oct 19

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Lufthansa flights from Porto to Washington, D.C. Dulles Intl Airport

Our best Lufthansa deals on Porto to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Oct 9
OPO6:00 amPorto
15h 05m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Oct 16
IAD3:25 pmWashington, D.C. Dulles Intl
19h 20m
1 stop
OPO3:45 pmPorto
$667
Lufthansa
Oct 9
OPO6:00 amPorto
15h 05m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Oct 16
IAD10:20 pmWashington, D.C. Dulles Intl
19h 25m
2 stops
OPO10:45 pmPorto
$743

TAP AIR PORTUGAL flights from Porto to Washington, D.C. Dulles Intl Airport

Our best TAP AIR PORTUGAL deals on Porto to Washington, D.C. Dulles Intl Airport flight tickets
TAP AIR PORTUGAL
Nov 9
OPO8:00 pmPorto
23h 40m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
Nov 30
IAD5:25 pmWashington, D.C. Dulles Intl
11h 35m
1 stop
OPO10:00 amPorto
$582
TAP AIR PORTUGAL
Nov 10
OPO8:00 pmPorto
29h 30m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
Dec 1
IAD5:25 pmWashington, D.C. Dulles Intl
11h 35m
1 stop
OPO10:00 amPorto
$593
TAP AIR PORTUGAL
Oct 14
OPO9:00 amPorto
16h 35m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
Oct 17
IAD5:05 pmWashington, D.C. Dulles Intl
16h 55m
1 stop
OPO3:00 pmPorto
$772

momondo Fare Finder

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

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Price

Cheapest round-trip

PortoWashington, D.C.

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

OPOIAD

Porto

Mon 11/2

5:00 am-3:55 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Mon 11/16

6:40 pm-10:35 am

1 stop10h 55m

$581

PortoWashington, D.C.

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

OPOIAD

Porto

Mon 11/2

5:00 am-3:55 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Mon 11/16

12:35 pm-10:35 am

2 stops17h 00m

$581

PortoWashington, D.C.

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

OPOIAD

Porto

Mon 11/9

8:00 pm-2:40 pm

1 stop23h 40m

Washington, D.C. Dulles Intl

Mon 11/30

5:25 pm-10:00 am

1 stop11h 35m

$582

PortoWashington, D.C.

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

OPOIAD

Porto

Sat 1/9

5:00 am-3:55 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Wed 1/13

6:40 pm-10:35 am

1 stop10h 55m

$583
Quickest round-trip

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 10/22

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 11/12

6:40 pm-10:35 am

1 stop10h 55m

$583

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

Tue 12/8

6:40 pm-10:35 am

1 stop10h 55m

$583

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 10/29

5:00 am-4:45 pm

1 stop15h 45m

Washington, D.C. Dulles Intl

Thu 11/5

12:30 pm-10:35 am

2 stops17h 05m

$583

PortoWashington, D.C.

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

OPOIAD

Porto

Fri 10/2

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 10/15

9:45 pm-3:25 pm

1 stop12h 40m

$583

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 10/22

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 11/12

12:35 pm-10:35 am

2 stops17h 00m

$583

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 10/8

5:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 10/19

6:15 pm-3:25 pm

1 stop16h 10m

$583

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. Dulles Intl Airport

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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, November is the cheapest month to fly from Porto to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $567. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $567.

How have Porto to Washington, D.C. Dulles Intl Airport flight prices changed over time?

When to book flights from Porto to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (OPO to IAD) flight deals and tips

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

Best Price Found

$401

Fastest flight time

13h 00m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Porto in the past 72 hours is $401. The best round-trip flight deal from Porto to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $581.
The fastest flight from Porto to Washington, D.C. Dulles Intl Airport takes 13h 00m
There are no direct flights from Porto to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Porto to Washington, D.C. Dulles Intl Airport.
Search flight deals

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

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

    There are 3541.8 mi between Porto and Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 13h 00m.

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

    Prices for flights from Porto Airport to Washington, D.C. Dulles Intl Airport are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Washington, D.C. Dulles Intl Airport.

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

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport 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
Winchester
Fredericksburg
Laurel
Waldorf
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Sterling
Fairfax
Springfield
Colonial Beach
Edgewood
Martinsburg

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?

All flight searches from Porto to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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?

Of course. momondo tracks the price of Porto to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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