OPO

$247 Find Cheap Flights from Washington to Porto - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Porto departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Washington to Porto

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington to Porto

Tue, Nov 10 - Sun, Nov 15
Scandinavian Airlines Logo
7:20 am - 11:05 am
SEA
-
OPO
19h 45m
2 stops
Scandinavian Airlines Logo
5:35 pm - 10:04 pm
OPO
-
SEA
36h 29m
2 stops
$749Scandinavian Airlines
Sun, Nov 1 - Tue, Nov 10
American Airlines Logo
5:30 am - 7:40 am
PDX
-
OPO
18h 10m
2 stops
American Airlines Logo
8:20 am - 11:51 pm
OPO
-
PDX
23h 31m
2 stops
$755American Airlines
Mon, Oct 26 - Thu, Nov 5
Iberia Logo
7:50 pm - 8:00 pm
SEA
-
OPO
17h 10m
2 stops
Iberia Logo
9:55 pm - 4:55 pm
OPO
-
SEA
27h 00m
2 stops
$774Iberia
Tue, Aug 25 - Fri, Sep 4
Multiple Airlines Logo
3:40 pm - 8:00 am
SEA
-
OPO
32h 20m
3 stops
Multiple Airlines Logo
8:55 pm - 9:00 pm
OPO
-
SEA
32h 05m
3 stops
$780Multiple Airlines
Tue, Oct 20 - Thu, Oct 29
Iberia Logo
7:30 pm - 7:40 am
PDX
-
OPO
28h 10m
2 stops
Iberia Logo
8:20 am - 11:13 pm
OPO
-
PDX
21h 53m
2 stops
$783Iberia
Sun, Oct 18 - Tue, Oct 27
American Airlines Logo
11:55 am - 4:00 pm
PDX
-
OPO
20h 05m
2 stops
American Airlines Logo
8:20 am - 10:59 pm
OPO
-
PDX
21h 39m
2 stops
$784American Airlines
Wed, Nov 4 - Thu, Nov 12
British Airways Logo
5:45 pm - 5:50 pm
PDX
-
OPO
16h 05m
1 stop
British Airways Logo
6:40 pm - 3:55 pm
OPO
-
PDX
29h 15m
1 stop
$790British Airways
Sun, Nov 1 - Thu, Nov 12
Delta Logo
7:00 am - 9:05 am
PDX
-
OPO
18h 05m
1 stop
Delta Logo
11:15 am - 11:20 am
OPO
-
PDX
32h 05m
1 stop
$793Delta
Mon, Nov 2 - Tue, Nov 10
Delta Logo
7:10 am - 10:00 pm
PDX
-
OPO
30h 50m
2 stops
Delta Logo
11:15 am - 11:20 am
OPO
-
PDX
32h 05m
1 stop
$797Delta
Sun, Oct 11 - Wed, Oct 21
Multiple Airlines Logo
12:57 pm - 4:00 pm
SEA
-
OPO
19h 03m
2 stops
Multiple Airlines Logo
8:20 am - 7:30 pm
OPO
-
SEA
19h 10m
2 stops
$798Multiple Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$247
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 30% increase in price.
Flight from Seattle to Porto

FAQs for booking flights from Washington to Porto

  • How does KAYAK find such low prices on flights from Washington to Porto?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Porto.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Porto?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington to Porto?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Washington with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Porto?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Lamego
Guimarães
Pinhao
Chaves
Viseu
Esposende
Espinho
Arcos de Valdevez
Ponte de Lima
Baiao
Santa Maria da Feira
Caminha
Mira
Penafiel
Amares
Curia

Everything you need to know for your flight to Porto

Information on the airport you'll fly into in Porto

Porto (OPO)