Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Porto to Washington, D.C. from $364

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.
TAP AIR PORTUGAL Logo
8:00 pm - 8:30 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
29h 30m1 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
$618TAP AIR PORTUGAL
Tue, Nov 24 - Tue, Dec 8
TAP AIR PORTUGAL Logo
7:00 am - 3:15 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
13h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
4:40 pm - 10:00 amIAD  Washington, D.C. Dulles Intl-OPO Porto
12h 20m1 stop Lisbon Humberto Delgado
$619TAP AIR PORTUGAL
Thu, Feb 25 - Fri, Apr 9
TAP AIR PORTUGAL Logo
7:00 am - 3:15 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
13h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 5:00 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
13h 30m1 stop Lisbon Humberto Delgado
$622TAP AIR PORTUGAL
Thu, Nov 19 - Wed, Dec 2
TAP AIR PORTUGAL Logo
7:00 am - 3:15 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
13h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 1:30 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
10h 00m1 stop Lisbon Humberto Delgado
$623TAP AIR PORTUGAL
Thu, Nov 19 - Wed, Dec 2
TAP AIR PORTUGAL Logo
7:00 am - 3:15 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
13h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 5:00 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
13h 30m1 stop Lisbon Humberto Delgado
$625TAP AIR PORTUGAL
Thu, Nov 19 - Wed, Dec 2
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
10:30 pm - 1:30 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
10h 00m1 stop Lisbon Humberto Delgado
$626TAP AIR PORTUGAL
Mon, Nov 23 - Sun, Dec 6
TAP AIR PORTUGAL Logo
7:00 am - 3:15 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
13h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 1:30 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
10h 00m1 stop Lisbon Humberto Delgado
$627TAP AIR PORTUGAL
Thu, Nov 19 - Wed, Dec 2
TAP AIR PORTUGAL Logo
7:00 am - 3:15 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
13h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 1:30 pmIAD  Washington, D.C. Dulles Intl-OPO Porto
10h 00m1 stop Lisbon Humberto Delgado
$630TAP AIR PORTUGAL
Thu, Nov 19 - Wed, Dec 2
TAP AIR PORTUGAL Logo
5:00 am - 3:15 pmOPO  Porto-IAD Washington, D.C. Dulles Intl
15h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 7:30 amIAD  Washington, D.C. Dulles Intl-OPO Porto
28h 00m1 stop Lisbon Humberto Delgado
$631TAP AIR PORTUGAL
Thu, Nov 19 - Wed, Dec 2
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
$651TAP AIR PORTUGAL
Mon, Nov 23 - Mon, Dec 7

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air Canada flights from Porto to Washington, D.C.

Our best Air Canada deals on Porto to Washington, D.C. flight tickets
Air Canada
Mar 4
OPO6:00 amPorto
43h 08m
2 stops
IAD8:08 pmWashington, D.C. Dulles Intl
Mar 8
IAD9:55 amWashington, D.C. Dulles Intl
21h 10m
2 stops
OPO12:05 pmPorto
$756
Air Canada
Mar 4
OPO6:00 amPorto
41h 16m
2 stops
DCA6:16 pmWashington, D.C. Reagan-National
Mar 8
DCA11:00 amWashington, D.C. Reagan-National
20h 05m
2 stops
OPO12:05 pmPorto
$758
Air Canada
Dec 12
OPO6:00 amPorto
31h 58m
2 stops
DCA8:58 amWashington, D.C. Reagan-National
Jan 16
DCA4:00 pmWashington, D.C. Reagan-National
15h 00m
2 stops
OPO12:00 pmPorto
$762

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

Our best TAP AIR PORTUGAL deals on Porto to Washington, D.C. flight tickets
TAP AIR PORTUGAL
Nov 24
OPO8:00 pmPorto
29h 30m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
Dec 8
IAD5:25 pmWashington, D.C. Dulles Intl
11h 35m
1 stop
OPO10:00 amPorto
$618
TAP AIR PORTUGAL
Feb 25
OPO7:00 amPorto
13h 15m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Apr 9
IAD4:40 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
OPO10:00 amPorto
$619
TAP AIR PORTUGAL
Nov 19
OPO7:00 amPorto
13h 15m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Dec 2
IAD10:30 pmWashington, D.C. Dulles Intl
13h 30m
1 stop
OPO5:00 pmPorto
$622

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoWashington, D.C.

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

OPOIAD

Porto

Tue 11/24

8:00 pm-8:30 pm

1 stop29h 30m

Washington, D.C. Dulles Intl

Tue 12/8

5:25 pm-10:00 am

1 stop11h 35m

$618

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 2/25

7:00 am-3:15 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

Fri 4/9

4:40 pm-10:00 am

1 stop12h 20m

$619

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 11/19

7:00 am-3:15 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

Wed 12/2

10:30 pm-5:00 pm

1 stop13h 30m

$622
Quickest round-trip

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 11/19

7:00 am-3:15 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

Wed 12/2

10:30 pm-1:30 pm

1 stop10h 00m

$623

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 11/19

7:00 am-3:15 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

Wed 12/2

10:30 pm-5:00 pm

1 stop13h 30m

$625

PortoWashington, D.C.

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

OPOIAD

Porto

Mon 11/23

8:00 pm-2:40 pm

1 stop23h 40m

Washington, D.C. Dulles Intl

Sun 12/6

10:30 pm-1:30 pm

1 stop10h 00m

$626

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 11/19

7:00 am-3:15 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

Wed 12/2

10:30 pm-1:30 pm

1 stop10h 00m

$627

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 11/19

7:00 am-3:15 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

Wed 12/2

10:30 pm-1:30 pm

1 stop10h 00m

$630

PortoWashington, D.C.

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

OPOIAD

Porto

Thu 11/19

5:00 am-3:15 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Wed 12/2

10:30 pm-7:30 am

1 stop28h 00m

$631

PortoWashington, D.C.

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

OPOIAD

Porto

Mon 11/23

8:00 pm-2:40 pm

1 stop23h 40m

Washington, D.C. Dulles Intl

Mon 12/7

5:25 pm-10:00 am

1 stop11h 35m

$651

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 1% 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

$364

Fastest flight time

11h 45m

Direct flights

None
The best one-way flight to Washington, D.C. from Porto in the past 72 hours is $364. The best round-trip flight deal from Porto to Washington, D.C. found on momondo in the last 72 hours is $618.
The fastest flight from Porto to Washington, D.C. takes 11h 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. 11h 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
Gaithersburg
Linthicum Heights
Woodbridge
Rockville
Silver Spring
Towson
Fairfax
Springfield
Glen Burnie
Edgewood
Colonial Beach
Falls Church
College Park

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.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/9
Wed 12/16
By creating a price alert you accept our terms of use and privacy policy.

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