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Cheap flights from Washington, D.C. to Porto from $296

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Porto departing on 9/29. 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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Easily compare round-trip flights from Washington, D.C. to Porto

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington, D.C. to Porto by changing tabs
TAP AIR PORTUGAL
Nov 11
IAD7:15 pmWashington, D.C. Dulles Intl
9h 45m
1 stop
OPO10:00 amPorto
Nov 18
OPO6:55 amPorto
11h 05m
1 stop
IAD1:00 pmWashington, D.C. Dulles Intl
Delta
Nov 11
IAD12:30 pmWashington, D.C. Dulles Intl
17h 00m
2 stops
OPO10:30 amPorto
Nov 18
OPO11:45 amPorto
12h 40m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
British Airways
Nov 11
DCA7:49 pmWashington, D.C. Reagan-National
15h 56m
2 stops
OPO4:45 pmPorto
Nov 18
OPO12:25 pmPorto
16h 07m
2 stops
DCA11:32 pmWashington, D.C. Reagan-National
Air Canada
Nov 11
IAD4:45 pmWashington, D.C. Dulles Intl
18h 00m
2 stops
OPO3:45 pmPorto
Nov 18
OPO6:00 amPorto
20h 05m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl
United Airlines
Nov 11
IAD5:20 pmWashington, D.C. Dulles Intl
17h 25m
2 stops
OPO3:45 pmPorto
Nov 18
OPO6:00 amPorto
14h 50m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Multiple Airlines
Oct 21
IAD8:23 amWashington, D.C. Dulles Intl
21h 57m
2 stops
OPO11:20 amPorto
Oct 31
OPO7:30 pmPorto
29h 35m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl

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

If you're looking for one-way flights from Washington, D.C. to Porto, view some of our deals below provided by PLAY, TAP AIR PORTUGAL and United Airlines
Multiple Airlines
Sep 29
BWI7:08 pmBaltimore/Washington
35h 57m
2 stops
OPO12:05 pmPorto
PLAY
Sep 28
BWI6:50 pmBaltimore/Washington
20h 10m
1 stop
OPO8:00 pmPorto
TAP AIR PORTUGAL
Sep 23
IAD10:25 pmWashington, D.C. Dulles Intl
17h 05m
1 stop
OPO8:30 pmPorto

Search last-minute flights to Porto from Washington, D.C.

Find and compare round-trip flight prices for your last-minute flight from Washington, D.C. to Porto
Delta
May 26
IAD4:59 pmWashington, D.C. Dulles Intl
17h 31m
2 stops
OPO3:30 pmPorto
May 30
OPO5:00 amPorto
15h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
KLM
May 26
IAD5:25 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
OPO10:40 amPorto
May 30
OPO5:00 amPorto
15h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Air France
May 28
IAD9:20 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
OPO3:30 pmPorto
Jun 15
OPO4:20 pmPorto
31h 50m
1 stop
IAD7:10 pmWashington, D.C. Dulles Intl
PLAY
May 25
BWI6:50 pmBaltimore/Washington
20h 25m
1 stop
OPO8:15 pmPorto
May 30
OPO9:10 pmPorto
25h 30m
1 stop
BWI5:40 pmBaltimore/Washington
Multiple Airlines
May 24
IAD10:15 pmWashington, D.C. Dulles Intl
27h 45m
3 stops
OPO7:00 amPorto
May 29
OPO6:00 amPorto
16h 40m
2 stops
IAD5:40 pmWashington, D.C. Dulles Intl
United Airlines
May 24
DCA7:15 pmWashington, D.C. Reagan-National
9h 30m
1 stop
OPO9:45 amPorto
May 29
OPO12:35 pmPorto
11h 35m
1 stop
DCA7:10 pmWashington, D.C. Reagan-National

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

Our best TAP AIR PORTUGAL deals on Washington, D.C. to Porto flight tickets
TAP AIR PORTUGAL
Nov 11
IAD7:15 pmWashington, D.C. Dulles Intl
9h 45m
1 stop
OPO10:00 amPorto
Nov 18
OPO6:55 amPorto
11h 05m
1 stop
IAD1:00 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Oct 7
IAD5:35 pmWashington, D.C. Dulles Intl
11h 20m
1 stop
OPO9:55 amPorto
Oct 14
OPO6:00 pmPorto
26h 20m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Sep 29
IAD10:20 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
OPO2:10 pmPorto
Oct 16
OPO4:55 amPorto
15h 20m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl

Delta flights from Washington, D.C. to Porto

Our best Delta deals on Washington, D.C. to Porto flight tickets
Delta
Nov 11
IAD12:30 pmWashington, D.C. Dulles Intl
17h 00m
2 stops
OPO10:30 amPorto
Nov 18
OPO11:45 amPorto
12h 40m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Delta
Nov 13
DCA10:00 amWashington, D.C. Reagan-National
19h 50m
2 stops
OPO10:50 amPorto
Nov 20
OPO5:00 amPorto
23h 25m
2 stops
DCA11:25 pmWashington, D.C. Reagan-National
Delta
Aug 19
IAD6:25 pmWashington, D.C. Dulles Intl
16h 05m
1 stop
OPO3:30 pmPorto
Aug 28
OPO6:30 amPorto
14h 30m
1 stop
IAD4:00 pmWashington, D.C. Dulles Intl

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

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 from Washington, D.C. to Porto?

January. The cheapest time of year to fly to Porto from Washington, D.C. is January. Most expensive is June

What is the cheapest day to depart Washington, D.C. for Porto?

Sunday. The cheapest day of the week is typically Sunday. The most expensive is typically Thursday

When is the cheapest time to fly from Washington, D.C. to Porto?

In the afternoon. Washington, D.C. to Porto flights are approximately 18% more expensive at noon than in the afternoon

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

Brussels Airlines. Air France, Brussels Airlines, and Iberia are the most popular carriers operating from Washington, D.C. to Porto

What is the cheapest Washington, D.C. to Porto flight route?

Washington, D.C. Dulles Intl - Porto. Fly from Washington, D.C. Dulles Intl to Porto for the best Washington, D.C. - Porto flight prices

How far in advance should you book Washington, D.C. to Porto flights?

13 days before. The cheapest time to buy a flight from Washington, D.C. to Porto is approximately 13 days to departure

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

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

Best Price Found

$296

Fastest flight time

9h 30m

Direct flights

None

Airports in Porto

1 airport
The best one-way flight to Porto from Washington, D.C. in the past 72 hours is $296. The best round-trip flight deal from Washington, D.C. to Porto found on momondo in the last 72 hours is $420.
The fastest flight from Washington, D.C. to Porto takes 9h 30m
There are no direct flights from Washington, D.C. to Porto. Popular non-direct routes for this connection are Baltimore/Washington Airport - Porto Airport, Washington, D.C. Reagan-National Airport - Porto Airport and Washington, D.C. Dulles Intl Airport - Porto Airport.
There is 1 airport near Porto: Porto (OPO)

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

    The straight-line distance from Washington, D.C. to Porto is 3523.1 mi. By plane, this route typically takes 9h 30m.

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

    Prices for flights from Washington, D.C. to Porto Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Porto Airport?

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

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from Washington, D.C. to Porto

Compare and see reviews for airlines that fly from Washington, D.C. to Porto with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $413Free CancellationRating
7.7
1,988 reviews
Search SWISS flights
British AirwaysPriceFrom $418Free CancellationRating
6.8
6,831 reviews
Search British Airways flights
Air FrancePriceFrom $418Free CancellationRating
7.5
1,765 reviews
Search Air France flights
American AirlinesPriceFrom $418Free CancellationRating
7.3
14,512 reviews
Search American Airlines flights
IberiaPriceFrom $420Free CancellationRating
7.1
2,742 reviews
Search Iberia flights
DeltaPriceFrom $420Free CancellationRating
8.0
10,647 reviews
Search Delta flights
LufthansaPriceFrom $423Free CancellationRating
7.0
7,645 reviews
Search Lufthansa flights
KLMPriceFrom $428Free CancellationRating
7.8
1,566 reviews
Search KLM flights
Brussels AirlinesPriceFrom $431Free CancellationRating
7.2
569 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $485Free CancellationRating
7.4
10,906 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

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

Flights from Washington, D.C. to Porto 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 Washington, D.C. to Porto?

momondo provides multiple filters to help you find the best flight to Porto from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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


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