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Cheap flights from Washington, D.C. to Porto from $355

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 7/15. 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
Oct 7
IAD5:35 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
OPO9:00 amPorto
Oct 14
OPO10:55 pmPorto
21h 25m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
KLM
Nov 7
IAD5:35 pmWashington, D.C. Dulles Intl
18h 35m
1 stop
OPO5:10 pmPorto
Nov 14
OPO8:10 pmPorto
24h 35m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
Delta
Nov 6
BWI12:21 pmBaltimore/Washington
17h 29m
2 stops
OPO10:50 amPorto
Nov 13
OPO11:15 amPorto
18h 30m
2 stops
BWI12:45 amBaltimore/Washington
Iberia
Sep 30
IAD5:55 pmWashington, D.C. Dulles Intl
21h 00m
2 stops
OPO7:55 pmPorto
Oct 16
OPO8:35 pmPorto
27h 40m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
British Airways
Sep 23
DCA5:00 pmWashington, D.C. Reagan-National
21h 35m
2 stops
OPO7:35 pmPorto
Oct 2
OPO8:05 pmPorto
31h 57m
2 stops
DCA11:02 pmWashington, D.C. Reagan-National
Multiple Airlines
Nov 11
IAD11:15 amWashington, D.C. Dulles Intl
19h 20m
2 stops
OPO11:35 amPorto
Nov 18
OPO6:15 amPorto
34h 08m
2 stops
IAD11:23 amWashington, 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
PLAY
Jul 15
IAD6:50 pmWashington, D.C. Dulles Intl
20h 10m
1 stop
OPO8:00 pmPorto
TAP AIR PORTUGAL
Jul 10
IAD10:20 pmWashington, D.C. Dulles Intl
15h 40m
1 stop
OPO7:00 pmPorto
Multiple Airlines
Aug 8
BWI6:50 pmBaltimore/Washington
22h 15m
2 stops
OPO10:05 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
TAP AIR PORTUGAL
Jun 6
IAD10:20 pmWashington, D.C. Dulles Intl
11h 40m
1 stop
OPO3:00 pmPorto
Jun 12
OPO11:00 amPorto
14h 20m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
Delta
Jun 6
IAD12:35 pmWashington, D.C. Dulles Intl
14h 50m
2 stops
OPO8:25 amPorto
Jun 12
OPO9:15 amPorto
14h 55m
1 stop
IAD7:10 pmWashington, D.C. Dulles Intl
Air France
Jun 8
BWI5:06 pmBaltimore/Washington
17h 24m
2 stops
OPO3:30 pmPorto
Jun 15
OPO4:20 pmPorto
35h 22m
2 stops
BWI10:42 pmBaltimore/Washington
United Airlines
Jun 6
DCA2:00 pmWashington, D.C. Reagan-National
11h 55m
1 stop
OPO6:55 amPorto
Jun 12
OPO9:00 amPorto
12h 27m
1 stop
DCA4:27 pmWashington, D.C. Reagan-National
Multiple Airlines
Jun 7
IAD8:45 pmWashington, D.C. Dulles Intl
29h 50m
1 stop
OPO7:35 amPorto
Aug 15
OPO10:15 amPorto
34h 25m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
British Airways
Jun 8
IAD8:45 pmWashington, D.C. Dulles Intl
9h 55m
1 stop
OPO11:40 amPorto
Jun 15
OPO8:15 amPorto
16h 00m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl

British Airways flights from Washington, D.C. to Porto

Our best British Airways deals on Washington, D.C. to Porto flight tickets
British Airways
Sep 23
DCA5:00 pmWashington, D.C. Reagan-National
21h 35m
2 stops
OPO7:35 pmPorto
Oct 2
OPO8:05 pmPorto
31h 57m
2 stops
DCA11:02 pmWashington, D.C. Reagan-National
British Airways
Oct 3
BWI9:25 pmBaltimore/Washington
15h 45m
1 stop
OPO6:10 pmPorto
Oct 13
OPO8:35 pmPorto
28h 05m
1 stop
BWI7:40 pmBaltimore/Washington
British Airways
Jun 8
IAD8:45 pmWashington, D.C. Dulles Intl
9h 55m
1 stop
OPO11:40 amPorto
Jun 15
OPO8:15 amPorto
16h 00m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl

SWISS flights from Washington, D.C. to Porto

Our best SWISS deals on Washington, D.C. to Porto flight tickets
SWISS
Sep 23
IAD8:45 pmWashington, D.C. Dulles Intl
15h 40m
2 stops
OPO5:25 pmPorto
Oct 2
OPO8:40 amPorto
12h 35m
1 stop
IAD4:15 pmWashington, D.C. Dulles Intl
SWISS
Sep 23
IAD8:45 pmWashington, D.C. Dulles Intl
15h 40m
2 stops
OPO5:25 pmPorto
Oct 2
OPO2:35 pmPorto
30h 40m
2 stops
IAD4:15 pmWashington, D.C. Dulles Intl
SWISS
Sep 27
IAD8:45 pmWashington, D.C. Dulles Intl
33h 45m
1 stop
OPO11:30 amPorto
Oct 6
OPO2:35 pmPorto
30h 40m
2 stops
IAD4:15 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?

17 days before. The cheapest time to buy a flight from Washington, D.C. to Porto is approximately 17 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

$355

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 $355. The best round-trip flight deal from Washington, D.C. to Porto found on momondo in the last 72 hours is $428.
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
1,954 reviews
Search SWISS flights
British AirwaysPriceFrom $418Free CancellationRating
6.8
6,765 reviews
Search British Airways flights
Air FrancePriceFrom $418Free CancellationRating
7.5
1,730 reviews
Search Air France flights
American AirlinesPriceFrom $418Free CancellationRating
7.3
14,284 reviews
Search American Airlines flights
IberiaPriceFrom $420Free CancellationRating
7.1
2,742 reviews
Search Iberia flights
DeltaPriceFrom $421Free CancellationRating
8.0
10,457 reviews
Search Delta flights
LufthansaPriceFrom $423Free CancellationRating
6.9
7,582 reviews
Search Lufthansa flights
KLMPriceFrom $428Free CancellationRating
7.8
1,520 reviews
Search KLM flights
Brussels AirlinesPriceFrom $435Free CancellationRating
7.2
549 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $485Free CancellationRating
7.4
10,777 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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