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Cheap flights from Washington to Porto from $279

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:01 am - 11:45 amPDX  Portland-OPO Porto
21h 44m2 stops Chicago O'Hare Intl Madrid Barajas
American Airlines Logo
8:20 am - 11:59 pmOPO  Porto-PDX Portland
23h 39m2 stops Madrid Barajas Miami
$597American Airlines
Sun, Oct 18 - Tue, Nov 3
Delta Logo
11:00 pm - 10:30 amPDX  Portland-OPO Porto
27h 30m2 stops Atlanta Hartsfield-Jackson New York LaGuardia
Delta Logo
11:15 am - 11:40 amOPO  Porto-PDX Portland
32h 25m1 stop Amsterdam Schiphol
$599Delta
Sun, Oct 18 - Tue, Nov 3
Delta Logo
7:00 am - 10:25 amPDX  Portland-OPO Porto
19h 25m1 stop New York John F Kennedy Intl
Delta Logo
11:15 am - 11:40 amOPO  Porto-PDX Portland
32h 25m1 stop Amsterdam Schiphol
$599Delta
Sun, Oct 18 - Tue, Nov 3
British Airways Logo
10:43 am - 4:50 pmSEA  Seattle/Tacoma Intl-OPO Porto
22h 07m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
8:20 am - 12:32 amOPO  Porto-SEA Seattle/Tacoma Intl
24h 12m2 stops Madrid Barajas Chicago O'Hare Intl
$604British Airways
Wed, Nov 11 - Thu, Dec 3
Air France Logo
7:15 am - 8:15 amSEA  Seattle/Tacoma Intl-OPO Porto
17h 00m1 stop New York John F Kennedy Intl
Air France Logo
10:15 am - 8:19 pmOPO  Porto-SEA Seattle/Tacoma Intl
18h 04m1 stop New York John F Kennedy Intl
$604Air France
Wed, Nov 11 - Thu, Dec 3
United Airlines Logo
6:50 am - 9:30 amSEA  Seattle/Tacoma Intl-OPO Porto
19h 40m1 stop Newark
United Airlines Logo
12:35 pm - 9:05 pmOPO  Porto-SEA Seattle/Tacoma Intl
16h 30m1 stop Newark
$609United Airlines
Tue, Mar 16 - Tue, Mar 30
United Airlines Logo
6:00 am - 9:30 amSEA  Seattle/Tacoma Intl-OPO Porto
19h 30m2 stops Los Angeles Newark
United Airlines Logo
12:35 pm - 10:27 pmOPO  Porto-SEA Seattle/Tacoma Intl
17h 52m1 stop Newark
$609United Airlines
Wed, Nov 11 - Thu, Dec 3
KLM Logo
3:35 pm - 3:25 pmSEA  Seattle/Tacoma Intl-OPO Porto
16h 50m1 stop Amsterdam Schiphol
KLM Logo
6:55 pm - 11:33 amOPO  Porto-SEA Seattle/Tacoma Intl
24h 38m1 stop Amsterdam Schiphol
$640KLM
Mon, Mar 15 - Mon, Mar 29
KLM Logo
7:00 am - 7:15 amPDX  Portland-OPO Porto
17h 15m1 stop New York John F Kennedy Intl
KLM Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$654KLM
Fri, Oct 30 - Fri, Nov 6
Air France Logo
6:40 pm - 10:00 pmSEA  Seattle/Tacoma Intl-OPO Porto
19h 20m1 stop Paris Charles de Gaulle
Air France Logo
5:55 am - 6:35 pmOPO  Porto-SEA Seattle/Tacoma Intl
19h 40m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County
$703Air France
Fri, Oct 23 - Thu, Oct 29

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Lufthansa flights from State of Washington to Porto

Our best Lufthansa deals on State of Washington to Porto flight tickets
Lufthansa
Jan 11
SEA1:50 pmSeattle/Tacoma Intl
17h 40m
1 stop
OPO3:30 pmPorto
Jan 25
OPO4:10 pmPorto
49h 22m
2 stops
SEA9:32 amSeattle/Tacoma Intl
$670
Lufthansa
Feb 5
SEA2:50 pmSeattle/Tacoma Intl
24h 50m
1 stop
OPO11:40 pmPorto
Feb 12
OPO6:15 amPorto
14h 45m
1 stop
SEA1:00 pmSeattle/Tacoma Intl
$672
Lufthansa
Nov 12
PDX11:10 pmPortland
26h 20m
1 stop
OPO9:30 amPorto
Nov 17
OPO12:35 pmPorto
29h 43m
2 stops
PDX10:18 amPortland
$701

Delta flights from State of Washington to Porto

Our best Delta deals on State of Washington to Porto flight tickets
Delta
Oct 18
PDX11:00 pmPortland
27h 30m
2 stops
OPO10:30 amPorto
Nov 3
OPO11:15 amPorto
32h 25m
1 stop
PDX11:40 amPortland
$599
Delta
Nov 4
SEA7:15 amSeattle/Tacoma Intl
17h 00m
1 stop
OPO8:15 amPorto
Nov 19
OPO10:15 amPorto
20h 45m
1 stop
SEA11:00 pmSeattle/Tacoma Intl
$604
Delta
Nov 4
SEA6:00 amSeattle/Tacoma Intl
18h 15m
2 stops
OPO8:15 amPorto
Nov 19
OPO10:15 amPorto
19h 43m
2 stops
SEA9:58 pmSeattle/Tacoma Intl
$609

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 10/18

6:01 am-11:45 am

2 stops21h 44m

Porto

Tue 11/3

8:20 am-11:59 pm

2 stops23h 39m

$597

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 10/18

11:00 pm-10:30 am

2 stops27h 30m

Porto

Tue 11/3

11:15 am-11:40 am

1 stop32h 25m

$599

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Sun 10/18

7:00 am-10:25 am

1 stop19h 25m

Porto

Tue 11/3

11:15 am-11:40 am

1 stop32h 25m

$599

SeattlePorto

SEA Seattle/Tacoma Intl - OPO Porto

SEAOPO

Seattle/Tacoma Intl

Wed 11/11

10:43 am-4:50 pm

2 stops22h 07m

Porto

Thu 12/3

8:20 am-12:32 am

2 stops24h 12m

$604

SeattlePorto

SEA Seattle/Tacoma Intl - OPO Porto

SEAOPO

Seattle/Tacoma Intl

Wed 11/11

7:15 am-8:15 am

1 stop17h 00m

Porto

Thu 12/3

10:15 am-8:19 pm

1 stop18h 04m

$604

SeattlePorto

SEA Seattle/Tacoma Intl - OPO Porto

SEAOPO

Seattle/Tacoma Intl

Tue 3/16

6:50 am-9:30 am

1 stop19h 40m

Porto

Tue 3/30

12:35 pm-9:05 pm

1 stop16h 30m

$609

SeattlePorto

SEA Seattle/Tacoma Intl - OPO Porto

SEAOPO

Seattle/Tacoma Intl

Wed 11/11

6:00 am-9:30 am

2 stops19h 30m

Porto

Thu 12/3

12:35 pm-10:27 pm

1 stop17h 52m

$609

SeattlePorto

SEA Seattle/Tacoma Intl - OPO Porto

SEAOPO

Seattle/Tacoma Intl

Mon 3/15

3:35 pm-3:25 pm

1 stop16h 50m

Porto

Mon 3/29

6:55 pm-11:33 am

1 stop24h 38m

$640
Quickest round-trip

PortlandPorto

PDX Portland - OPO Porto

PDXOPO

Portland

Fri 10/30

7:00 am-7:15 am

1 stop17h 15m

Porto

Fri 11/6

5:00 am-11:20 am

1 stop14h 20m

$654

SeattlePorto

SEA Seattle/Tacoma Intl - OPO Porto

SEAOPO

Seattle/Tacoma Intl

Fri 10/23

6:40 pm-10:00 pm

1 stop19h 20m

Porto

Thu 10/29

5:55 am-6:35 pm

2 stops19h 40m

$703

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from State of Washington 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 to Porto?

The month of January is, on average, the cheapest month to fly to Porto from State of Washington, with most prices found around $626. If you aren’t able to travel during the month of January, then book flights to Porto from State of Washington during March instead. Flights to Porto in March, while not as cheap as those in January, still average around $671.

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

You are more likely to see cheaper flights to Porto from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $896 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from State of Washington for as low as $744 on momondo.

Can stopping save me money on State of Washington to Porto flights?

You could potentially save up to 23% on your flight if you consider stops on a State of Washington to Porto flight.

Cheap State of Washington to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Porto

Best Price Found

$279

Fastest flight time

13h 35m

Direct flights

None
The best one-way flight to Porto from State of Washington in the past 72 hours is $279. The best round-trip flight deal from State of Washington to Porto found on momondo in the last 72 hours is $597.
The fastest flight from State of Washington to Porto takes 13h 35m
There are no direct flights from State of Washington to Porto. There are no popular flight routes from State of Washington to Porto.
Search flight deals

Frequently asked questions about flying from Washington to Porto

  • When did momondo last update prices for flights from Washington to Porto Airport?

    Prices for flights from Washington to Porto Airport are updated daily.

  • How many operators does momondo search for flights from Washington to Porto Airport?

  • How old do you have to be to fly from Washington 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 to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Porto

Compare and see reviews for airlines that fly from State of Washington to Porto with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $490Free CancellationRating
7.8
1,575 reviews
Search KLM flights
LufthansaPriceFrom $503Free CancellationRating
6.8
8,236 reviews
Search Lufthansa flights
DeltaPriceFrom $591Free CancellationRating
7.8
8,592 reviews
Search Delta flights
Air CanadaPriceFrom $660Free CancellationRating
7.1
11,655 reviews
Search Air Canada flights
United AirlinesPriceFrom $691Free CancellationRating
7.4
10,227 reviews
Search United Airlines flights
Air FrancePriceFrom $795Free CancellationRating
7.5
1,651 reviews
Search Air France flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Coimbra
Vila Nova de Gaia
Aveiro
Braga
Pinhao
Matosinhos
Esposende
Chaves
Viseu
Arcos de Valdevez
Espinho
Guimarães
Lamego
Ponte de Lima
Penafiel
Caminha
Baiao
Mira

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Porto?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Porto. momondo saves you time and could save you money on your trip.

Can I find flights from Washington to Porto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Porto from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Porto?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Porto.

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

Of course. momondo tracks the price of Washington to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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