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Cheap flights from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport to Porto

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Porto.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Porto

Find recent round-trip train or bus tickets from Washington, D.C. Dulles Intl Airport 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
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
6:00 pm - 4:00 pmIAD-OPO
17h 00m2 stops
8:20 am - 4:25 pmOPO-IAD
13h 05m1 stop
$710Iberia
Find Deal
Fri, Feb 21 - Wed, Feb 26
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
7:40 pm - 7:55 pmIAD-OPO
19h 15m3 stops
Tue, Feb 25
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
10:15 pm - 11:40 amIAD-OPO
32h 25m2 stops
$558United Airlines
Find Deal
Fri, Dec 27
10:05 pm - 11:40 amIAD-OPO
32h 35m1 stop
$565United Airlines
Find Deal
Fri, Dec 27
10:50 pm - 7:55 pmIAD-OPO
16h 05m2 stops
$733Iberia
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Sun, May 4
5:00 pm - 3:30 pmIAD-OPO
17h 30m2 stops
$739Delta
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Wed, May 7
7:05 pm - 3:30 pmIAD-OPO
15h 25m2 stops
$799Delta
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Thu, May 8
5:40 pm - 3:55 pmIAD-OPO
17h 15m1 stop
$1,942Iberia
Find Deal
Wed, Apr 30
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
5:35 pm - 1:15 pmIAD-OPO
14h 40m1 stop
7:00 am - 3:00 pmOPO-IAD
13h 00m1 stop
$1,127TAP AIR PORTUGAL
Find Deal
Sat, Nov 23 - Thu, Nov 28
8:45 pm - 11:00 pmIAD-OPO
21h 15m2 stops
9:00 am - 3:00 pmOPO-IAD
11h 00m1 stop
$1,149
Find Deal
Sun, Nov 24 - Thu, Nov 28
9:55 pm - 7:55 pmIAD-OPO
17h 00m2 stops
9:00 am - 3:00 pmOPO-IAD
11h 00m1 stop
$1,233
Find Deal
Fri, Nov 22 - Thu, Nov 28
10:10 pm - 3:55 pmIAD-OPO
12h 45m1 stop
6:30 am - 3:50 pmOPO-IAD
14h 20m2 stops
$2,106Lufthansa
Find Deal
Fri, Nov 22 - Fri, Nov 29
6:30 pm - 11:35 pmIAD-OPO
24h 05m2 stops
6:15 am - 8:20 pmOPO-IAD
19h 05m2 stops
$2,335Lufthansa
Find Deal
Thu, Nov 21 - Sat, Nov 30
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
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
1:33 pm - 10:55 amIAD-OPO
16h 22m2 stops
6:00 am - 11:22 pmOPO-IAD
22h 22m2 stops
$2,982Delta
Find Deal
Sun, Nov 24 - Sat, Nov 30
6:00 pm - 4:00 pmIAD-OPO
17h 00m2 stops
8:35 am - 7:45 pmOPO-IAD
16h 10m2 stops
$3,616Iberia
Find Deal
Sat, Nov 23 - Sat, Nov 30

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

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Porto

Our best Iberia deals on Washington, D.C. Dulles Intl Airport 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
Feb 21
IAD6:00 pmWashington, D.C. Dulles Intl
17h 00m
2 stops
OPO4:00 pmPorto
Feb 26
OPO8:20 amPorto
13h 05m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
Iberia
Feb 18
IAD6:00 pmWashington, D.C. Dulles Intl
21h 00m
2 stops
OPO8:00 pmPorto
Mar 1
OPO8:20 amPorto
13h 05m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl

See travel insights to Porto from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Porto?

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

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

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

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

In the morning. Washington, D.C. Dulles Intl Airport to Porto flights are approximately 22% more expensive in the evening than in the morning

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

16 days before. The cheapest time to buy a flight from Washington, D.C. Dulles Intl Airport to Porto is approximately 16 days to departure

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

You could potentially save up to 23% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Porto flight.

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

As of November 2024, prices for Washington, D.C. Dulles Intl Airport to Porto flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Porto (IAD to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport in the past 72 hours is $288. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Porto found on momondo in the last 72 hours is $444.
The fastest flight from Washington, D.C. Dulles Intl Airport to Porto takes 9h 25m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Porto. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Porto Airport.
There is 1 airport near Porto: Porto (OPO)

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

    Washington, D.C. Dulles Intl and Porto are 3541.8 mi apart from one another. Typically, this will take 9h 25m by plane in normal conditions.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Porto?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Porto

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Porto with momondo
Airline
Rating
Free Cancellation
Price
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
IberiaPriceFrom $506Free CancellationRating
7.0
2,662 reviews
Search Iberia 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
American AirlinesPriceFrom $567Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

Finding the right flight to Porto from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Porto flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Porto?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto from Washington, D.C..

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

Price alerts on flights to Porto from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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