OPO

$273 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 10/18. 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

Mon, Dec 7 - Fri, Dec 11
Lufthansa Logo
8:45 am - 12:50 pmPDX  Portland-OPO Porto
20h 05m2 stops Denver Intl Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 11:12 pmOPO  Porto-PDX Portland
25h 12m2 stops Frankfurt am Main Chicago O'Hare Intl
$726Lufthansa
Mon, Dec 7 - Fri, Dec 11
Delta Logo
6:15 am - 10:35 amPDX  Portland-OPO Porto
20h 20m2 stops Minneapolis St Paul Paris Charles de Gaulle
Delta Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$737Delta
Mon, Feb 1 - Wed, Feb 24
KLM Logo
1:20 pm - 10:30 amPDX  Portland-OPO Porto
13h 10m1 stop Amsterdam Schiphol
KLM Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$737KLM
Mon, Feb 1 - Wed, Feb 24
Delta Logo
6:04 am - 10:35 amPDX  Portland-OPO Porto
20h 31m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$737Delta
Tue, Nov 24 - Wed, Dec 2
American Airlines Logo
5:00 am - 7:40 amPDX  Portland-OPO Porto
18h 40m2 stops Dallas/Fort Worth Madrid Barajas
American Airlines Logo
8:40 pm - 11:05 amOPO  Porto-PDX Portland
22h 25m2 stops Madrid Barajas Dallas/Fort Worth
$754American Airlines
Tue, Nov 24 - Wed, Dec 2
Multiple Airlines Logo
6:00 am - 7:40 amPDX  Portland-OPO Porto
17h 40m2 stops Dallas/Fort Worth Madrid Barajas
Multiple Airlines Logo
4:40 pm - 12:54 pmOPO  Porto-PDX Portland
28h 14m2 stops Madrid Barajas Dallas/Fort Worth
$754Multiple Airlines
Mon, Dec 7 - Fri, Dec 11
United Airlines Logo
8:46 am - 9:30 amPDX  Portland-OPO Porto
16h 44m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 10:17 amOPO  Porto-PDX Portland
29h 42m2 stops Newark Chicago O'Hare Intl
$755United Airlines
Mon, Dec 7 - Fri, Dec 11
United Airlines Logo
10:45 am - 9:30 amPDX  Portland-OPO Porto
14h 45m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:35 pm - 10:17 amOPO  Porto-PDX Portland
29h 42m2 stops Newark Chicago O'Hare Intl
$755United Airlines
Wed, Nov 25 - Mon, Nov 30
KLM Logo
7:05 am - 9:05 amPDX  Portland-OPO Porto
18h 00m1 stop New York John F Kennedy Intl
KLM Logo
5:00 am - 11:20 amOPO  Porto-PDX Portland
14h 20m1 stop Amsterdam Schiphol
$823KLM
Wed, Oct 7 - Thu, Oct 15
Lufthansa Logo
7:00 am - 10:20 amSEA  Seattle/Tacoma Intl-OPO Porto
19h 20m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:20 am - 4:59 pmOPO  Porto-SEA Seattle/Tacoma Intl
18h 39m1 stop Munich Franz Josef Strauss
$824Lufthansa
Useful Info

Good to know

Low season

January

Cheapest flight

$273
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 32% 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.

Everything you need to know for your flight to Porto

Information on the airport you'll fly into in Porto

Porto (OPO)