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Find cheap flights from Porto to Washington from $505

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Porto to Washington departing on 10/9. 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
0 bags
月 7/1
月 7/8

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Best Washington Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Seattle
Seattle2 stops$1,007
Portland
Portland2 stops$845

Good to know

Low season

December

High season

March

Cheapest flight

$505
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly and prices are also 16% lower on average.
Flight from Porto to Seattle

FAQs - booking Washington flights

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

    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 Porto to Washington.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington from Porto 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 Porto to Washington?

    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 Washington with an airline and back to Porto with another airline.

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

    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 Washington from Porto up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Washington

  • Morning departure is around 35% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top airlines flying from Porto to Washington

 
Need help choosing which airline to fly with from Porto to Washington? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.9
LufthansaOverall score based on 7570 reviews
7.7Crew
6.7Entertainment
6.5Food
6.9Comfort
7.1Boarding
Airline reviews

We were very upset when we checked in for our flight to be charged 208,00 euro for luggage fees when the site clearly states we are authorized one checked bag each and one carry-on. We have never experienced anything like this with Lufthansa and are very disappointed. We should be reimbursed this erroneous charge. I can forward all receipts once I am able to scan the them.

2.0 MediocreAnonymous, Jun 2024FRA - TPA
Read more about Lufthansa reviews

We were very upset when we checked in for our flight to be charged 208,00 euro for luggage fees when the site clearly states we are authorized one checked bag each and one carry-on. We have never experienced anything like this with Lufthansa and are very disappointed. We should be reimbursed this erroneous charge. I can forward all receipts once I am able to scan the them.

Poor, we had 1 hour to grab our checked luggage, go through customs, recheck bags and run across terminals to make our United flight. Poorly planned connections.

Check in in Albuquerque was awful. The people were great but they were over loaded. The procedures were terrible. We got through fine but it took 90+ minutes.

Crew was very nice and helpful. It was a good flight experience.

Efficient boarding. Good flight but seats were quite uncomfortable considering we'd already been sitting on two flights, total 13 hours or so. Would have liked to have prices on the menu of amenities on the plane. We could have used more water. Restrooms and nonalcoholic beverages at no extra cost, not much else. I realize these were discount tickets, and the airline has to break even, so I can't say we were expecting amenities to be plentiful. Still, it's nice with long flights to discover a few. Very pleasant crew though.

Will try to not fly with them again. Delays because of weather but got redirected to an airport where I could not make connection.

Staff didn’t care in business class. Closed the door on my mom while she was on the jetbridge and flight attendant told me she would make it from the connecting flight. They lied. My luggage was damaged on arrival. No success in filing damage claim.

Crew was super rude in business class. Not friendly or helpful. Luggage was damaged and was told to file with United and that was unsuccessful.

The connection at Frankfurt was chaotic and nearly missed the flight to Atlanta. They made was wait for busses to transfer and it took ages

There was a screaming child just behind our seats. This prevented us from getting any sleep during the night!!

Cardiff is a great airport but they pen you in at a gate way too small for passenger numbers. Called to the gate too soon and air conditioning was not in operation despite the heat. Cardiff should do better as a small relatively quiet regional airport.

Everything went according to plan. Check in, boarding etc all were very efficient.

Good flight. Take off a little late but make up the time

Everything’s went straight forward, no issues, good service and friendly crew

O voo atrasou um bom bocado A tripulação não era comunicativa,não fez vendas... Não abordava os passageiros... A 1°vez que me acontece tal coisa 🤷‍♀️

Great flight and reminded that the logistics completely Astoria. No real story about victors, m

it s a budget flight, crew was doing their job well, it was on time.

Usual RyanAir flight but disembarking was poor, no rear steps. The Faro Airport required lots of up step and down steps, no elevator Getting through passport control took 50 minutes in the EU line

Largas colas para el check-in, por seguridad, sin explicación, el equipaje de mano pequeño tuvo que pasar a bodega,

I didn't like. The seats and the floor were very dirty and it is not the first time

Book cheap flights from Porto to Washington

Recent round-trip flight deals

6/17
2 stopsUnited Airlines
20h 40mOPO-SEA
6/21
1 stopUnited Airlines
35h 45mSEA-OPO
$1,007
6/17
2 stopsBritish Airways
24h 32mOPO-SEA
6/21
2 stopsBritish Airways
36h 53mSEA-OPO
$1,104
7/23
1 stop
23h 52mOPO-SEA
7/27
1 stop
16h 54mSEA-OPO
$1,130
7/23
2 stops
20h 55mOPO-SEA
7/27
1 stop
19h 15mSEA-OPO
$1,238
7/23
3 stops
35h 52mOPO-SEA
7/27
2 stops
32h 15mSEA-OPO
$1,249
6/17
1 stopUnited Airlines
18h 23mOPO-SEA
6/21
1 stopUnited Airlines
15h 59mSEA-OPO
$1,289
7/23
2 stopsUnited Airlines
20h 42mOPO-SEA
7/27
2 stopsUnited Airlines
20h 40mSEA-OPO
$1,305

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Recent one-way flight deals

10/9
3 stops
28h 00mOPO-SEA
$505
6/20
1 stop
15h 10mOPO-SEA
$570
7/10
3 stops
41h 07mOPO-SEA
$616
9/27
1 stopTurkish Airlines
38h 00mOPO-SEA
$618
7/10
2 stops
21h 18mOPO-SEA
$641
10/9
2 stopsIberia
29h 10mOPO-SEA
$670
9/27
2 stopsAmerican Airlines
22h 46mOPO-SEA
$687
7/19
2 stopsWestJet
35h 44mOPO-SEA
$846
7/19
1 stopTurkish Airlines
38h 00mOPO-SEA
$980
7/10
1 stopLufthansa
14h 15mOPO-SEA
$1,002

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Porto - Washington Flights

Departure:

Porto (OPO)Portugal

Return flight deals:

Washington - Porto

Cabin classes: