What is the cheapest airline that flies from Porto to Washington, D.C. Reagan-National?

Iberia and American Airlines are the most popular carriers operating from Porto to Washington, D.C. Reagan-National

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

Prices for flights from Porto Airport to Washington, D.C. Reagan-National Airport were last updated today.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Porto Airport to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$363 Cheap Flights from Porto to Washington, D.C. Reagan-National Airport in 2025/26

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6:00 am - 8:59 pm

OPO

DCA

18h 59m2 stops

7:00 pm - 9:45 am

DCA

OPO

9h 45m1 stop

$597United Airlines

jeu., mars 12 - lun., avr. 13

6:00 am - 7:45 pm

OPO

DCA

42h 45m2 stops

6:00 pm - 9:30 am

DCA

OPO

11h 30m1 stop

$598United Airlines

jeu., mars 5 - lun., mars 9

12:30 pm - 8:51 am

OPO

DCA

24h 21m2 stops

2:00 pm - 11:10 am

DCA

OPO

16h 10m2 stops

$602United Airlines

dim., mars 15 - mar., avr. 14

6:00 am - 7:45 pm

OPO

DCA

42h 45m2 stops

11:05 am - 12:50 pm

DCA

OPO

21h 45m2 stops

$604Air Canada

jeu., mars 5 - lun., mars 9

6:00 am - 8:55 am

OPO

DCA

31h 55m2 stops

11:05 am - 12:50 pm

DCA

OPO

21h 45m2 stops

$605Air Canada

jeu., mars 5 - lun., mars 9

11:15 am - 10:48 pm

OPO

DCA

16h 33m2 stops

11:11 am - 10:25 am

DCA

OPO

18h 14m2 stops

$606Delta

jeu., janv. 29 - jeu., févr. 5

11:25 am - 10:51 pm

OPO

DCA

15h 26m2 stops

5:00 pm - 3:30 pm

DCA

OPO

17h 30m2 stops

$616Delta

lun., mars 16 - mar., avr. 14

12:35 pm - 7:35 pm

OPO

DCA

12h 00m1 stop

8:10 pm - 9:30 am

DCA

OPO

9h 20m1 stop

$620United Airlines

jeu., mars 5 - lun., mars 9

12:35 pm - 7:35 pm

OPO

DCA

12h 00m1 stop

6:00 pm - 9:30 am

DCA

OPO

11h 30m1 stop

$621United Airlines

jeu., mars 5 - lun., mars 9

6:00 am - 8:55 am

OPO

DCA

30h 55m2 stops

6:59 am - 6:30 pm

DCA

OPO

30h 31m2 stops

$628Air Canada

jeu., mars 12 - mer., avr. 15

United Airlines flights from Porto to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Porto to Washington, D.C. Reagan-National Airport flight tickets

United Airlines

Mar 12

OPO6:00 amPorto

18h 59m

2 stops

DCA8:59 pmWashington, D.C. Reagan-National

Apr 13

DCA7:00 pmWashington, D.C. Reagan-National

9h 45m

1 stop

OPO9:45 amPorto

$597

Find similar

United Airlines

Mar 5

OPO6:00 amPorto

42h 45m

2 stops

DCA7:45 pmWashington, D.C. Reagan-National

Mar 9

DCA6:00 pmWashington, D.C. Reagan-National

11h 30m

1 stop

OPO9:30 amPorto

$598

Find similar

United Airlines

Mar 15

OPO12:30 pmPorto

24h 21m

2 stops

DCA8:51 amWashington, D.C. Reagan-National

Apr 14

DCA2:00 pmWashington, D.C. Reagan-National

16h 10m

2 stops

OPO11:10 amPorto

$602

Find similar

Delta flights from Porto to Washington, D.C. Reagan-National Airport

Our best Delta deals on Porto to Washington, D.C. Reagan-National Airport flight tickets

Delta

Jan 29

OPO11:15 amPorto

16h 33m

2 stops

DCA10:48 pmWashington, D.C. Reagan-National

Feb 5

DCA11:11 amWashington, D.C. Reagan-National

18h 14m

2 stops

OPO10:25 amPorto

$606

Find similar

Delta

Mar 16

OPO11:25 amPorto

15h 26m

2 stops

DCA10:51 pmWashington, D.C. Reagan-National

Apr 14

DCA5:00 pmWashington, D.C. Reagan-National

17h 30m

2 stops

OPO3:30 pmPorto

$616

Find similar

Delta

Mar 14

OPO5:00 amPorto

21h 36m

2 stops

DCA10:36 pmWashington, D.C. Reagan-National

Apr 14

DCA5:00 pmWashington, D.C. Reagan-National

17h 30m

2 stops

OPO3:30 pmPorto

$631

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

jeu. 3/12

6:00 am-8:59 pm

2 stops18h 59m

Washington, D.C. Reagan-National

lun. 4/13

7:00 pm-9:45 am

1 stop9h 45m

$597

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

jeu. 3/5

6:00 am-7:45 pm

2 stops42h 45m

Washington, D.C. Reagan-National

lun. 3/9

6:00 pm-9:30 am

1 stop11h 30m

$598

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

dim. 3/15

12:30 pm-8:51 am

2 stops24h 21m

Washington, D.C. Reagan-National

mar. 4/14

2:00 pm-11:10 am

2 stops16h 10m

$602

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

jeu. 3/5

6:00 am-7:45 pm

2 stops42h 45m

Washington, D.C. Reagan-National

lun. 3/9

11:05 am-12:50 pm

2 stops21h 45m

$604

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

jeu. 3/5

6:00 am-8:55 am

2 stops31h 55m

Washington, D.C. Reagan-National

lun. 3/9

11:05 am-12:50 pm

2 stops21h 45m

$605

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

jeu. 1/29

11:15 am-10:48 pm

2 stops16h 33m

Washington, D.C. Reagan-National

jeu. 2/5

11:11 am-10:25 am

2 stops18h 14m

$606

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

lun. 3/16

11:25 am-10:51 pm

2 stops15h 26m

Washington, D.C. Reagan-National

mar. 4/14

5:00 pm-3:30 pm

2 stops17h 30m

$616

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

jeu. 3/5

12:35 pm-7:35 pm

1 stop12h 00m

Washington, D.C. Reagan-National

lun. 3/9

8:10 pm-9:30 am

1 stop9h 20m

$620

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

jeu. 3/5

12:35 pm-7:35 pm

1 stop12h 00m

Washington, D.C. Reagan-National

lun. 3/9

6:00 pm-9:30 am

1 stop11h 30m

$621

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

jeu. 3/12

6:00 am-8:55 am

2 stops30h 55m

Washington, D.C. Reagan-National

mer. 4/15

6:59 am-6:30 pm

2 stops30h 31m

$628

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

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Airlines

Can stopping save me money on Porto to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 29% on your flight if you consider stops on a Porto to Washington, D.C. Reagan-National Airport flight.

When to book flights from Porto to Washington, D.C. Reagan-National Airport

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

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

Fastest flight time	16h 33m
Direct flights	None

The fastest flight from Porto to Washington, D.C. Reagan-National Airport takes 16h 33m

There are no direct flights from Porto to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Porto to Washington, D.C. Reagan-National Airport.

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How far is Porto to Washington, D.C. Reagan-National by plane?
The straight-line distance from Porto to Washington, D.C. Reagan-National is 3524.8 mi. Typically, this will take 16h 33m by plane in normal conditions.
When did momondo last update prices for flights from Porto Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Porto Airport to Washington, D.C. Reagan-National Airport were last updated today.
How old do you have to be to fly from Porto Airport to Washington, D.C. Reagan-National Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Porto Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Alexandria

National Harbor

Gettysburg

Arlington

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Gaithersburg

Reston

Manassas

Fairfax

Glen Burnie

Linthicum Heights

Bethesda

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

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

Flights from Porto to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Porto.

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

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Cheap flights from Porto to Washington, D.C. from $363

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Washington, D.C. departing on 3/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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United Airlines flights from Porto to Washington, D.C. Reagan-National Airport

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Our best Delta deals on Porto to Washington, D.C. Reagan-National Airport flight tickets

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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. Reagan-National Airport

Can stopping save me money on Porto to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 29% on your flight if you consider stops on a Porto to Washington, D.C. Reagan-National Airport flight.

What is the cheapest airline that flies from Porto to Washington, D.C. Reagan-National?

Iberia and American Airlines are the most popular carriers operating from Porto to Washington, D.C. Reagan-National

When to book flights from Porto to Washington, D.C. Reagan-National Airport

Cheap Porto to Washington, D.C. Reagan-National Airport (OPO to DCA) flight deals and tips

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

Fastest flight time

Direct flights

How far is Porto to Washington, D.C. Reagan-National by plane?

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

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

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

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

Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. Reagan-National Airport 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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