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Cheap flights from Washington, D.C. to Porto from $288

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 2/25. 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 - 11:00 amIAD-OPO
12h 30m1 stop
6:00 pm - 1:00 pmOPO-IAD
24h 00m1 stop
$444TAP AIR PORTUGAL
Find Deal
Sat, Feb 15 - Sun, Feb 23
10:30 pm - 5:00 pmIAD-OPO
13h 30m1 stop
6:55 am - 2:30 pmOPO-IAD
12h 35m1 stop
$448TAP AIR PORTUGAL
Find Deal
Sun, Dec 8 - Tue, Dec 24
6:00 pm - 8:00 pmIAD-OPO
21h 00m2 stops
8:20 am - 4:25 pmOPO-IAD
13h 05m1 stop
$610Iberia
Find Deal
Tue, Feb 18 - Thu, Feb 27
6:30 pm - 10:50 amIAD-OPO
11h 20m1 stop
8:10 pm - 3:45 pmOPO-IAD
24h 35m1 stop
$618KLM
Find Deal
Tue, Feb 25 - Thu, Mar 6
12:05 pm - 10:50 amIAD-OPO
17h 45m2 stops
11:15 am - 3:45 pmOPO-IAD
33h 30m1 stop
$622Delta
Find Deal
Wed, Feb 19 - Tue, Feb 25
5:49 pm - 11:45 amDCA-OPO
12h 56m2 stops
12:25 pm - 10:41 pmOPO-DCA
15h 16m2 stops
$623Iberia
Find Deal
Wed, Jan 8 - Wed, Jan 15
1:42 pm - 10:30 amIAD-OPO
15h 48m2 stops
9:55 am - 4:45 pmOPO-IAD
34h 50m1 stop
$628KLM
Find Deal
Tue, Feb 25 - Tue, Mar 11
12:05 pm - 10:55 amIAD-OPO
17h 50m2 stops
6:00 am - 11:16 pmOPO-IAD
22h 16m2 stops
$633Delta
Find Deal
Sun, Jan 12 - Tue, Jan 21
10:05 pm - 11:35 amIAD-OPO
32h 30m2 stops
6:00 am - 8:05 amOPO-IAD
31h 05m2 stops
$680United Airlines
Find Deal
Sat, Feb 15 - Sun, Feb 23
5:50 pm - 3:10 pmIAD-OPO
16h 20m1 stop
12:30 pm - 2:40 pmOPO-IAD
31h 10m1 stop
$725United Airlines
Find Deal
Sun, Dec 29 - Sun, Jan 12
7:40 pm - 8:25 pmIAD-OPO
19h 45m2 stops
Tue, Feb 25
6:10 pm - 4:05 pmBWI-OPO
16h 55m2 stops
Sat, Feb 1
6:30 pm - 11:00 amIAD-OPO
12h 30m1 stop
$376TAP AIR PORTUGAL
Find Deal
Tue, Mar 11
5:30 pm - 5:00 pmIAD-OPO
18h 30m1 stop
$377TAP AIR PORTUGAL
Find Deal
Tue, Feb 25
6:50 pm - 11:35 amDCA-OPO
35h 45m2 stops
$475United Airlines
Find Deal
Sat, Feb 1
10:15 pm - 11:40 amIAD-OPO
32h 25m2 stops
$558United Airlines
Find Deal
Fri, Dec 27
12:13 pm - 7:40 amDCA-OPO
14h 27m2 stops
$665Iberia
Find Deal
Tue, Dec 24
10:50 pm - 7:55 pmIAD-OPO
16h 05m2 stops
$733Iberia
Find Deal
Sun, May 4
5:00 pm - 3:30 pmIAD-OPO
17h 30m2 stops
$739Delta
Find Deal
Wed, May 7
5:30 pm - 3:30 pmBWI-OPO
17h 00m2 stops
$739Delta
Find Deal
Sun, May 4
10:30 pm - 3:20 pmIAD-OPO
11h 50m1 stop
9:00 am - 3:00 pmOPO-IAD
11h 00m1 stop
$998TAP AIR PORTUGAL
Find Deal
Sun, Nov 24 - Thu, Nov 28
8:26 am - 7:20 pmBWI-OPO
29h 54m2 stops
2:10 pm - 11:31 pmOPO-BWI
14h 21m2 stops
$1,092
Find Deal
Fri, Nov 22 - Tue, Nov 26
5:58 pm - 11:45 amDCA-OPO
12h 47m2 stops
8:40 pm - 4:25 pmOPO-DCA
24h 45m2 stops
$2,130Iberia
Find Deal
Sat, Nov 23 - Fri, Nov 29
10:45 am - 10:50 amBWI-OPO
19h 05m2 stops
6:15 am - 9:42 pmOPO-BWI
20h 27m2 stops
$2,587Delta
Find Deal
Fri, Nov 22 - Thu, Nov 28
7:09 pm - 3:25 pmIAD-OPO
15h 16m2 stops
6:15 am - 6:12 pmOPO-IAD
16h 57m2 stops
$2,593Delta
Find Deal
Fri, Nov 22 - Thu, Nov 28
7:35 pm - 3:25 pmDCA-OPO
14h 50m2 stops
11:15 am - 10:33 pmOPO-DCA
16h 18m2 stops
$2,778KLM
Find Deal
Sun, Nov 24 - Fri, Nov 29
6:00 pm - 4:00 pmIAD-OPO
17h 00m2 stops
9:55 pm - 3:35 pmOPO-IAD
22h 40m2 stops
$2,825Iberia
Find Deal
Sat, Nov 23 - Thu, Nov 28
2:05 pm - 10:30 amBWI-OPO
15h 25m2 stops
6:15 am - 6:13 pmOPO-BWI
16h 58m2 stops
$2,988KLM
Find Deal
Sat, Nov 23 - Thu, Nov 28
12:56 pm - 7:40 amDCA-OPO
13h 44m2 stops
8:20 am - 7:15 pmOPO-DCA
15h 55m2 stops
$3,607American Airlines
Find Deal
Fri, Nov 22 - Fri, Nov 29
5:58 pm - 11:45 amDCA-OPO
12h 47m2 stops
8:20 am - 7:18 pmOPO-DCA
15h 58m2 stops
$4,347American Airlines
Find Deal
Sat, Nov 23 - Sat, Nov 30

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
Feb 15
IAD5:30 pmWashington, D.C. Dulles Intl
12h 30m
1 stop
OPO11:00 amPorto
Feb 23
OPO6:00 pmPorto
24h 00m
1 stop
IAD1:00 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Dec 8
IAD10:30 pmWashington, D.C. Dulles Intl
13h 30m
1 stop
OPO5:00 pmPorto
Dec 24
OPO6:55 amPorto
12h 35m
1 stop
IAD2:30 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Mar 31
IAD10:25 pmWashington, D.C. Dulles Intl
15h 20m
1 stop
OPO6:45 pmPorto
Apr 8
OPO8:55 amPorto
11h 25m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl

Iberia flights from Washington, D.C. to Porto

Our best Iberia deals on Washington, D.C. to Porto flight tickets
Iberia
Feb 18
IAD6:00 pmWashington, D.C. Dulles Intl
21h 00m
2 stops
OPO8:00 pmPorto
Feb 27
OPO8:20 amPorto
13h 05m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
Iberia
Jan 8
DCA5:49 pmWashington, D.C. Reagan-National
12h 56m
2 stops
OPO11:45 amPorto
Jan 15
OPO12:25 pmPorto
15h 16m
2 stops
DCA10:41 pmWashington, D.C. Reagan-National
Iberia
Jan 10
DCA12:55 pmWashington, D.C. Reagan-National
13h 45m
2 stops
OPO7:40 amPorto
Jan 17
OPO8:20 amPorto
19h 21m
2 stops
DCA10:41 pmWashington, D.C. Reagan-National

See travel insights to Porto from

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 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 18% more expensive at noon than in the afternoon

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?

12 days before. The cheapest time to buy a flight from Washington, D.C. to Porto is approximately 12 days to departure

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

You could potentially save up to 20% 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?


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

$288

Fastest flight time

9h 25m

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 $288. The best round-trip flight deal from Washington, D.C. to Porto found on momondo in the last 72 hours is $444.
The fastest flight from Washington, D.C. to Porto takes 9h 25m
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 25m.

  • 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
IberiaPriceFrom $418Free CancellationRating
7.0
2,662 reviews
Search Iberia flights
American AirlinesPriceFrom $418Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air FrancePriceFrom $421Free CancellationRating
7.4
1,523 reviews
Search Air France flights
DeltaPriceFrom $421Free CancellationRating
8.0
8,756 reviews
Search Delta flights
KLMPriceFrom $428Free CancellationRating
7.8
1,350 reviews
Search KLM flights
TAP AIR PORTUGALPriceFrom $456Free CancellationRating
7.1
1,892 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $533Free CancellationRating
6.6
6,837 reviews
Search British Airways flights
United AirlinesPriceFrom $538Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
LufthansaPriceFrom $538Free CancellationRating
6.8
7,148 reviews
Search Lufthansa 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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