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Cheap Flights from Washington Ronald Reagan to Porto

Compare Washington Ronald Reagan to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

Book the best Porto fare with no extra fees

Flight deals from Washington Ronald Reagan to Porto

Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan Airport to Porto Airport? If you want to travel next month, return fares start from R 12,278. Find the lowest prices on one-way and return tickets right here.
Porto.R 5,111 per passenger.Departing Tue, 13 Oct.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Washington Ronald Reagan on Tue, 13 Oct, arriving in Porto.Price includes taxes and charges.From R 5,111, select.
Porto.R 5,578 per passenger.Departing Sun, 21 Feb.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Sun, 21 Feb, arriving in Porto.Price includes taxes and charges.From R 5,578, select.
Porto.R 5,578 per passenger.Departing Mon, 1 Mar.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Mon, 1 Mar, arriving in Porto.Price includes taxes and charges.From R 5,578, select.
Porto.R 5,585 per passenger.Departing Mon, 23 Nov.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Mon, 23 Nov, arriving in Porto.Price includes taxes and charges.From R 5,585, select.
Porto.R 5,600 per passenger.Departing Sun, 27 Dec.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Sun, 27 Dec, arriving in Porto.Price includes taxes and charges.From R 5,600, select.
Porto.R 5,646 per passenger.Departing Sun, 3 Jan.One-way flight with Air France.Outbound indirect flight with Air France, departs from Washington Ronald Reagan on Sun, 3 Jan, arriving in Porto.Price includes taxes and charges.From R 5,646, select.
Porto.R 5,839 per passenger.Departing Sun, 26 Jul.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Washington Ronald Reagan on Sun, 26 Jul, arriving in Porto.Price includes taxes and charges.From R 5,839, select.
Porto.R 5,863 per passenger.Departing Sun, 16 Aug.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Washington Ronald Reagan on Sun, 16 Aug, arriving in Porto.Price includes taxes and charges.From R 5,863, select.
Porto.R 5,977 per passenger.Departing Mon, 21 Sep.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Washington Ronald Reagan on Mon, 21 Sep, arriving in Porto.Price includes taxes and charges.From R 5,977, select.
Porto.R 6,143 per passenger.Departing Sun, 4 Apr.One-way flight with United.Outbound indirect flight with United, departs from Washington Ronald Reagan on Sun, 4 Apr, arriving in Porto.Price includes taxes and charges.From R 6,143, select.
Porto.R 6,591 per passenger.Departing Fri, 7 May.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Washington Ronald Reagan on Fri, 7 May, arriving in Porto.Price includes taxes and charges.From R 6,591, select.
Porto.R 14,158 per passenger.Departing Tue, 1 Jun.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Tue, 1 Jun, arriving in Porto.Price includes taxes and charges.From R 14,158, select.

Find the cheapest month to fly from Washington Ronald Reagan to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Ronald Reagan to Porto flights are currently cheapest in October.
Jul
from R 5,839
Aug
from R 5,863
Sep
from R 5,977
Oct
from R 5,111
Nov
from R 5,585
Dec
from R 5,600
Jan
from R 5,646
Feb
from R 5,578
Mar
from R 5,578
Apr
from R 6,143
May
from R 6,591
Jun
from R 14,158

Washington Ronald Reagan to Porto: Alternative routes

Compare routes from Washington Ronald Reagan to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Porto

12km from central Porto
ClosestCheapest
from R 5,111
Search flights

Vila Real

76km from central Porto
Search flights

Viseu G. Lobato

81km from central Porto
Search flights

Washington D.C. to Porto: Flight information

The things to know before you go.
Cheapest flight foundR 5,111
Cheapest month to flyOctober

Finding cheap flights from Washington Ronald Reagan to Porto: Frequently asked questions

The best price we found for a return flight from Washington Ronald Reagan to Porto is R 12,028. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Ronald Reagan to Porto. But we found flights with one or more stops from R 12,047.
As of July 2026, there are no flights flying from Washington Ronald Reagan to Porto.
The cheapest month to fly from Washington Ronald Reagan to Porto is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to Porto Airport on Wednesday, 28 October 2026.
No airlines currently offer direct flights between Washington Ronald Reagan Airport and Porto Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Delta offers the cheapest flight tickets to Porto.

Flying from Washington Ronald Reagan Airport (DCA) to Porto Airport (OPO): what you need to know

  • Porto's timezone is UTC+0, which makes Porto five hours ahead of Washington DC.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport with enough time to catch your DCA to OPO flight.

  • Flying during a peak month such as August? Public holidays and other popular periods can mean longer lines at airport checkpoints. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

  • If you'd like to explore another city along the way, simply uncheck 'Direct flights only' when searching for your ticket from Washington Ronald Reagan Airport to Porto Airport. Here are the most popular stopovers between DCA and OPO:

    • New York John F. Kennedy Airport

    • New York Newark Airport

    • Boston Logan International Airport

Handy information about Washington Ronald Reagan Airport (DCA)

  • The address for DCA is 1 Aviation Circle.

  • Of all flights leaving Washington Ronald Reagan Airport, 71% land on schedule at their destination.

  • To get to Washington Ronald Reagan Airport from central Washington DC, it takes around 10 minutes if you're planning to drive. This depends on traffic though. It's approximately 6 kilometres from the airport to the city centre.

  • Planning to catch public transport? Expect a trip time of around 25 minutes.

  • Get your break off to a stress-free start by staying near DCA. Whether you have an early flight from Washington Ronald Reagan Airport to Porto Airport or want to avoid feeling rushed, these stays are the answer:

Arriving at Porto Airport (OPO)

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a Washington Ronald Reagan Airport to Porto Airport flight. Stay at one of these accommodation options near OPO instead:

  • Fast-track your adventure by picking up a Porto Airport rental car. Grab your wheels from Klass Wagen, Goldcar or Drive & Go and explore beyond Porto's usual tourist stops.

  • Lock in the best possible rate by reserving your ride from Porto Airport about three weeks before your departure date.

When to fly to Porto Airport (OPO)

  • It's time to choose your trip dates for your flight from Washington Ronald Reagan Airport to Porto Airport. August is the most popular month to head to Porto. If you'd like a quieter vibe, go in March.

  • When booking your flight from Washington Ronald Reagan Airport to Porto Airport, consider the kind of weather you like. August is the warmest month in Porto, with temperatures ranging from 14ºC (57ºF) to 32ºC (90ºF).

  • Look for cheap tickets from DCA to OPO in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 3ºC (37ºF) and 14ºC (57ºF) on average.

Explore more of Portugal

  • Lisbon is just one of the many cities in Portugal waiting to be discovered once you've taken in the sights of Porto. Around 274 kilometres away to the south, its best attractions include Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.

  • Around 274 kilometres south of Porto, Amadora is another essential stop in Portugal. No visit is complete without checking out Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

Plan the rest of your trip from Washington D.C. to Porto

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.