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Cheap flights from Washington, D.C. to Porto from $345

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 11/24. 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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Find the cheapest flights from Washington, D.C. to Porto

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Porto that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to Porto.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to Porto? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Porto, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. to Porto

Find recent round-trip train or bus tickets from Washington, D.C. to Porto.

All round-trip flight deals to Porto

The cheapest plane tickets to Porto found on KAYAK recently.
5:30 pm - 10:10 amIAD-OPO
11h 40m1 stop
8:55 am - 3:00 pmOPO-IAD
11h 05m1 stop
$407TAP AIR PORTUGAL
Find Deal
Tue, Jan 21 - Sat, Feb 8
7:15 pm - 11:05 amIAD-OPO
10h 50m1 stop
4:10 pm - 2:30 pmOPO-IAD
27h 20m1 stop
$418TAP AIR PORTUGAL
Find Deal
Mon, Feb 17 - Mon, Feb 24
5:55 pm - 4:00 pmIAD-OPO
17h 05m1 stop
8:20 am - 4:25 pmOPO-IAD
13h 05m1 stop
$555Iberia
Find Deal
Fri, Feb 21 - Sat, Mar 1
5:55 pm - 4:00 pmIAD-OPO
17h 05m1 stop
8:40 pm - 4:25 pmOPO-IAD
24h 45m1 stop
$565Iberia
Find Deal
Thu, Feb 20 - Tue, Feb 25
5:50 pm - 11:35 amIAD-OPO
12h 45m1 stop
6:00 am - 1:51 pmOPO-IAD
36h 51m2 stops
$573United Airlines
Find Deal
Mon, Dec 2 - Mon, Dec 9
10:05 pm - 3:25 pmIAD-OPO
12h 20m1 stop
6:00 am - 8:20 pmOPO-IAD
19h 20m1 stop
$577United Airlines
Find Deal
Mon, Nov 25 - Mon, Dec 9
5:35 pm - 11:25 amIAD-OPO
12h 50m1 stop
6:00 am - 3:45 pmOPO-IAD
14h 45m1 stop
$584KLM
Find Deal
Sun, Nov 24 - Tue, Dec 3
6:30 pm - 10:50 amIAD-OPO
11h 20m1 stop
6:15 am - 11:25 pmOPO-IAD
22h 10m2 stops
$588Delta
Find Deal
Fri, Dec 6 - Fri, Dec 13
12:05 pm - 10:50 amIAD-OPO
17h 45m2 stops
11:15 am - 3:45 pmOPO-IAD
33h 30m1 stop
$593Delta
Find Deal
Thu, Jan 30 - Wed, Mar 5
6:59 pm - 3:25 pmIAD-OPO
15h 26m2 stops
10:55 am - 3:45 pmOPO-IAD
33h 50m1 stop
$599KLM
Find Deal
Mon, Feb 3 - Sun, Mar 2
10:30 pm - 6:50 amIAD-OPO
27h 20m2 stops
Sun, Nov 24
7:30 pm - 8:20 amBWI-OPO
31h 50m2 stops
Sat, Jan 4
10:30 pm - 10:00 pmIAD-OPO
18h 30m1 stop
$355TAP AIR PORTUGAL
Find Deal
Wed, Nov 13
10:30 pm - 1:00 pmIAD-OPO
9h 30m1 stop
$360TAP AIR PORTUGAL
Find Deal
Sun, Nov 24
5:20 am - 11:50 amBWI-OPO
25h 30m2 stops
Sun, Nov 24
7:30 pm - 10:50 pmBWI-OPO
22h 20m3 stops
Sun, Nov 24
5:04 pm - 3:15 pmIAD-OPO
17h 11m2 stops
Wed, Nov 13
5:58 pm - 11:45 amDCA-OPO
12h 47m2 stops
$445Iberia
Find Deal
Sun, Nov 24
5:00 pm - 11:35 amDCA-OPO
37h 35m2 stops
$464United Airlines
Find Deal
Sat, Jan 4
5:58 pm - 4:05 pmDCA-OPO
17h 07m2 stops
$521British Airways
Find Deal
Wed, Nov 13
10:35 am - 11:40 amIAD-OPO
20h 05m2 stops
12:00 pm - 4:25 pmOPO-IAD
33h 25m1 stop
Sat, Nov 9 - Mon, Nov 11
12:11 pm - 10:55 amIAD-OPO
17h 44m2 stops
6:15 am - 3:45 pmOPO-IAD
14h 30m1 stop
$744Delta
Find Deal
Sun, Nov 10 - Fri, Nov 15
6:00 am - 11:10 amDCA-OPO
24h 10m2 stops
4:30 pm - 10:19 amOPO-DCA
46h 49m2 stops
Thu, Nov 7 - Tue, Nov 12
5:35 pm - 10:30 amIAD-OPO
11h 55m1 stop
11:15 am - 3:45 pmOPO-IAD
33h 30m1 stop
$745KLM
Find Deal
Thu, Nov 7 - Tue, Nov 12
10:30 pm - 3:05 pmIAD-OPO
11h 35m1 stop
10:55 am - 9:00 pmOPO-IAD
15h 05m1 stop
$963TAP AIR PORTUGAL
Find Deal
Wed, Nov 6 - Wed, Nov 13
10:30 pm - 3:05 pmIAD-OPO
11h 35m1 stop
6:55 am - 3:00 pmOPO-IAD
13h 05m1 stop
$1,003TAP AIR PORTUGAL
Find Deal
Wed, Nov 6 - Sat, Nov 9
9:55 pm - 8:00 pmIAD-OPO
17h 05m2 stops
8:40 am - 7:45 pmOPO-IAD
16h 05m2 stops
$2,157Iberia
Find Deal
Sun, Nov 10 - Fri, Nov 15
6:30 pm - 10:55 amIAD-OPO
11h 25m1 stop
11:45 am - 7:25 pmOPO-IAD
12h 40m1 stop
$2,164KLM
Find Deal
Sun, Nov 10 - Fri, Nov 15
9:55 pm - 8:00 pmIAD-OPO
17h 05m2 stops
8:40 pm - 3:35 pmOPO-IAD
23h 55m2 stops
$4,215Iberia
Find Deal
Fri, Nov 8 - Mon, Nov 18
10:10 pm - 11:00 amIAD-OPO
31h 50m1 stop
12:25 pm - 3:50 pmOPO-IAD
32h 25m1 stop
$5,895United Airlines
Find Deal
Fri, Nov 8 - Mon, Nov 18

Iberia flights from Washington, D.C. to Porto

Our best Iberia deals on Washington, D.C. to Porto flight tickets
Iberia
Feb 21
IAD5:55 pmWashington, D.C. Dulles Intl
17h 05m
1 stop
OPO4:00 pmPorto
Mar 1
OPO8:20 amPorto
13h 05m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
Iberia
Feb 20
IAD5:55 pmWashington, D.C. Dulles Intl
17h 05m
1 stop
OPO4:00 pmPorto
Feb 25
OPO8:40 pmPorto
24h 45m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
Iberia
Jan 21
IAD9:55 pmWashington, D.C. Dulles Intl
17h 05m
2 stops
OPO8:00 pmPorto
Feb 8
OPO8:20 amPorto
13h 05m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl

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
Jan 21
IAD5:30 pmWashington, D.C. Dulles Intl
11h 40m
1 stop
OPO10:10 amPorto
Feb 8
OPO8:55 amPorto
11h 05m
1 stop
IAD3:00 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Feb 17
IAD7:15 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
OPO11:05 amPorto
Feb 24
OPO4:10 pmPorto
27h 20m
1 stop
IAD2:30 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Feb 17
IAD7:15 pmWashington, D.C. Dulles Intl
18h 00m
1 stop
OPO6:15 pmPorto
Feb 24
OPO6:55 amPorto
11h 05m
1 stop
IAD1:00 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 typical price of a round-trip flight between Washington, D.C. and Porto?

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 May

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 Friday

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

In the afternoon. Washington, D.C. to Porto flights are approximately 20% more expensive at noon than in the afternoon

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

KLM. KLM, Iberia, and Air France 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

Can stopping save me money on Washington, D.C. to Porto flights?

You could potentially save up to 16% on your flight if you consider stops on a Washington, D.C. to Porto flight.

How have Washington, D.C. to Porto flight prices changed over time?

As of November 2024, prices for Washington, D.C. to Porto flights are approximately 87% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

$345

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 $345. The best round-trip flight deal from Washington, D.C. to Porto found on momondo in the last 72 hours is $407.
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.

  • What is the most popular airline from Washington, D.C. to Porto?


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
Air FrancePriceFrom $418Free CancellationRating
7.4
1,530 reviews
Search Air France flights
IberiaPriceFrom $418Free CancellationRating
7.0
2,668 reviews
Search Iberia flights
American AirlinesPriceFrom $418Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $419Free CancellationRating
8.0
8,830 reviews
Search Delta flights
KLMPriceFrom $428Free CancellationRating
7.8
1,350 reviews
Search KLM flights
TAP AIR PORTUGALPriceFrom $459Free CancellationRating
7.1
1,892 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $483Free CancellationRating
7.6
1,646 reviews
Search SWISS flights
United AirlinesPriceFrom $485Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
LufthansaPriceFrom $499Free CancellationRating
6.8
7,165 reviews
Search Lufthansa flights
British AirwaysPriceFrom $503Free CancellationRating
6.7
6,840 reviews
Search British Airways 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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