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Cheap flights from Washington, D.C. to Porto from $277

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 1/25. 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.
6:10 pm - 3:50 pmBWI-OPO
16h 40m2 stops
6:45 am - 5:00 pmOPO-BWI
15h 15m2 stops
Fri, Feb 7 - Wed, Feb 12
7:15 pm - 10:00 amIAD-OPO
9h 45m1 stop
5:55 pm - 2:30 pmOPO-IAD
25h 35m1 stop
$508TAP AIR PORTUGAL
Find Deal
Mon, Jan 20 - Mon, Jan 27
1:48 pm - 10:50 amIAD-OPO
17h 02m2 stops
6:00 am - 4:45 pmOPO-IAD
14h 45m1 stop
$642Delta
Find Deal
Tue, Mar 18 - Wed, Mar 26
12:27 pm - 9:05 amIAD-OPO
15h 38m2 stops
4:10 pm - 4:45 pmOPO-IAD
28h 35m1 stop
$648KLM
Find Deal
Mon, Mar 3 - Mon, Mar 10
5:15 pm - 3:30 pmIAD-OPO
17h 15m2 stops
6:30 am - 3:35 pmOPO-IAD
14h 05m1 stop
$649Delta
Find Deal
Mon, Mar 31 - Tue, Apr 8
10:10 pm - 3:10 pmIAD-OPO
36h 00m2 stops
6:00 am - 1:51 pmOPO-IAD
36h 51m2 stops
$691United Airlines
Find Deal
Sat, Feb 15 - Sun, Feb 23
5:20 pm - 11:35 amIAD-OPO
13h 15m1 stop
6:00 am - 3:13 pmOPO-IAD
38h 13m2 stops
$696United Airlines
Find Deal
Sun, Jan 19 - Mon, Jan 27
6:30 pm - 10:50 amIAD-OPO
11h 20m1 stop
11:15 am - 3:45 pmOPO-IAD
33h 30m1 stop
$738KLM
Find Deal
Fri, Feb 21 - Sat, Mar 1
6:00 pm - 4:00 pmIAD-OPO
17h 00m2 stops
8:40 pm - 7:45 pmOPO-IAD
28h 05m2 stops
$816Iberia
Find Deal
Fri, Feb 28 - Wed, Mar 5
12:13 pm - 11:45 amDCA-OPO
18h 32m2 stops
8:20 am - 7:14 pmOPO-DCA
15h 54m2 stops
$1,132Iberia
Find Deal
Tue, Dec 31 - Tue, Jan 21
6:10 pm - 8:20 amBWI-OPO
33h 10m2 stops
Sat, Jan 25
9:54 pm - 10:55 amBWI-OPO
56h 01m3 stops
Sat, Jan 25
10:20 pm - 10:25 pmIAD-OPO
19h 05m1 stop
$511TAP AIR PORTUGAL
Find Deal
Thu, Jun 5
12:30 pm - 5:05 pmDCA-OPO
23h 35m2 stops
$634TAP AIR PORTUGAL
Find Deal
Thu, Apr 10
9:20 pm - 7:55 pmBWI-OPO
17h 35m2 stops
$913Iberia
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Fri, May 2
7:15 am - 1:10 pmDCA-OPO
24h 55m2 stops
$963Delta
Find Deal
Sat, Dec 28
6:30 pm - 10:50 amIAD-OPO
11h 20m1 stop
$1,014KLM
Find Deal
Tue, Dec 24
8:30 pm - 8:00 pmBWI-OPO
18h 30m2 stops
$1,081Iberia
Find Deal
Fri, Dec 27
6:30 pm - 10:50 amIAD-OPO
11h 20m1 stop
$1,184KLM
Find Deal
Mon, Dec 23
8:00 am - 10:50 amDCA-OPO
21h 50m2 stops
$1,189Delta
Find Deal
Mon, Dec 23
7:15 pm - 10:00 amIAD-OPO
9h 45m1 stop
6:00 pm - 3:00 pmOPO-IAD
26h 00m1 stop
$1,383TAP AIR PORTUGAL
Find Deal
Mon, Dec 23 - Wed, Jan 22
7:15 pm - 10:00 amIAD-OPO
9h 45m1 stop
8:00 pm - 2:30 pmOPO-IAD
23h 30m1 stop
$1,444TAP AIR PORTUGAL
Find Deal
Mon, Dec 23 - Mon, Jan 20
7:15 pm - 1:05 pmIAD-OPO
12h 50m1 stop
12:00 pm - 9:00 pmOPO-IAD
14h 00m1 stop
$1,446TAP AIR PORTUGAL
Find Deal
Mon, Dec 23 - Fri, Jan 24
5:35 pm - 3:25 pmIAD-OPO
16h 50m1 stop
11:15 am - 3:45 pmOPO-IAD
33h 30m1 stop
$2,014Delta
Find Deal
Mon, Dec 23 - Tue, Jan 7
5:35 pm - 10:30 amIAD-OPO
11h 55m1 stop
11:15 am - 3:45 pmOPO-IAD
33h 30m1 stop
$2,156Delta
Find Deal
Mon, Dec 23 - Wed, Jan 1
5:35 pm - 3:25 pmIAD-OPO
16h 50m1 stop
6:15 am - 3:45 pmOPO-IAD
14h 30m1 stop
$2,198KLM
Find Deal
Sun, Dec 22 - Thu, Jan 2
5:50 pm - 11:35 amIAD-OPO
12h 45m1 stop
6:00 am - 2:40 pmOPO-IAD
13h 40m1 stop
$2,205United Airlines
Find Deal
Mon, Dec 23 - Thu, Jan 2
2:07 pm - 10:30 amBWI-OPO
15h 23m2 stops
11:45 am - 11:19 pmOPO-BWI
16h 34m2 stops
$2,558KLM
Find Deal
Mon, Dec 23 - Fri, Jan 24
6:00 pm - 4:00 pmIAD-OPO
17h 00m2 stops
9:55 pm - 3:35 pmOPO-IAD
22h 40m2 stops
$2,672Iberia
Find Deal
Sun, Dec 22 - Mon, Jan 20
6:00 pm - 4:00 pmIAD-OPO
17h 00m2 stops
8:40 pm - 3:35 pmOPO-IAD
23h 55m2 stops
$2,822Iberia
Find Deal
Sun, Dec 22 - Tue, Jan 7

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 20
IAD7:15 pmWashington, D.C. Dulles Intl
9h 45m
1 stop
OPO10:00 amPorto
Jan 27
OPO5:55 pmPorto
25h 35m
1 stop
IAD2:30 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Jan 19
IAD10:30 pmWashington, D.C. Dulles Intl
28h 30m
1 stop
OPO8:00 amPorto
Jan 27
OPO4:10 pmPorto
27h 20m
1 stop
IAD2:30 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Apr 2
IAD10:20 pmWashington, D.C. Dulles Intl
17h 50m
1 stop
OPO9:10 pmPorto
Apr 9
OPO10:55 pmPorto
26h 25m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl

Air Canada flights from Washington, D.C. to Porto

Our best Air Canada deals on Washington, D.C. to Porto flight tickets
Air Canada
Feb 26
DCA4:10 pmWashington, D.C. Reagan-National
15h 40m
2 stops
OPO12:50 pmPorto
Mar 5
OPO6:00 amPorto
31h 57m
2 stops
DCA8:57 amWashington, D.C. Reagan-National
Air Canada
Feb 26
IAD5:19 pmWashington, D.C. Dulles Intl
20h 21m
2 stops
OPO6:40 pmPorto
Mar 5
OPO6:00 amPorto
32h 46m
2 stops
IAD9:46 amWashington, D.C. Dulles Intl
Air Canada
Feb 15
DCA4:10 pmWashington, D.C. Reagan-National
38h 00m
2 stops
OPO11:10 amPorto
Feb 23
OPO6:00 amPorto
31h 57m
2 stops
DCA8:57 amWashington, 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 typical price of a round-trip flight between Washington, D.C. and Porto?

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Washington, D.C., with most prices found around $432. If you aren’t able to travel during the month of January, then book flights to Porto from Washington, D.C. during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $433.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Sunday when prices can be found for as low as $613. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $779. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the afternoon is the cheapest time of day to fly from Washington, D.C. to Porto when you can find flight prices for as low as $698. Flying to Porto in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $836 on average. Flights to Porto from Washington, D.C. at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Porto?

In general, most travelers find the cheapest time to book a flight to Porto is about 16 days prior to their departure date when tickets on average are $692. In the past 72 hours, momondo users found flights from Washington, D.C. to Porto for as low as $423.

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

You could potentially save up to 30% 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

$277

Fastest flight time

9h 35m

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 $277. The best round-trip flight deal from Washington, D.C. to Porto found on momondo in the last 72 hours is $502.
The fastest flight from Washington, D.C. to Porto takes 9h 35m
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 35m.

  • 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
American AirlinesPriceFrom $418Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $421Free CancellationRating
7.0
2,656 reviews
Search Iberia flights
Air FrancePriceFrom $422Free CancellationRating
7.4
1,504 reviews
Search Air France flights
DeltaPriceFrom $424Free CancellationRating
8.0
8,604 reviews
Search Delta flights
KLMPriceFrom $429Free CancellationRating
7.8
1,349 reviews
Search KLM flights
TAP AIR PORTUGALPriceFrom $458Free CancellationRating
7.1
1,877 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $533Free CancellationRating
6.6
6,820 reviews
Search British Airways flights
United AirlinesPriceFrom $538Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
LufthansaPriceFrom $538Free CancellationRating
6.8
7,091 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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