$223 Find Cheap Flights from Washington to Portugal

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Useful Info

Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$223
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 27% increase in price.
Flight from Seattle to Faro

FAQs for booking flights from Washington to Portugal

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

    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 Portugal.

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

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

    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 from Washington to Portugal with an airline and back with another airline.

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

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

  • What is the cheapest day to fly to Portugal?

    Based on KAYAK data, the cheapest day to fly to Portugal is Monday where round-trip tickets can be as cheap as $908. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $1,111 on average.

  • What is the cheapest time of day to fly to Portugal?

    The cheapest time of day to fly to Portugal is generally in the evening, when round-trip flights cost $959 on average. Morning departures are around 8% more expensive than evening flights, on average. The most expensive time of day to fly to Portugal is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,074.

  • What is the cheapest month to fly from Washington to Portugal?

    The cheapest month for flights from Washington to Portugal is February, when tickets cost $719 (return) on average. On the other hand, the most expensive months are April and June, when the average cost of round-trip tickets is $1,306 and $1,279 respectively.

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

    To get a below average price on the flight from Washington to Portugal, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

  • How long is the flight to Portugal?

    An average nonstop flight from Washington to Portugal takes 20h 58m, covering a distance of 5013 miles. The shortest route is Seattle (SEA) to Lisbon (LIS) with an average flight time of 13h 50m.

  • What are the most popular destinations in Portugal?

    Based on KAYAK flight searches, the most popular destination is Lisbon (75% of total searches to Portugal). The next most popular destinations are Porto (14%) and Ponta Delgada (4%). Searches for flights to Faro (4%), to Funchal (1%) and to Lajes (1%) are also popular.

Book cheap flights from Washington to Portugal

Recent round-trip flight deals

10/14Tue
3 stops
20h 05mPDX-LIS
10/20Mon
3 stops
28h 01mLIS-PDX
$462
11/1Sat
1 stopIcelandair
21h 45mSEA-LIS
11/13Thu
1 stopIcelandair
27h 40mLIS-SEA
$488
12/6Sat
2 stopsUnited Airlines
15h 30mSEA-LIS
12/16Tue
2 stopsUnited Airlines
43h 08mLIS-SEA
$522
10/29Wed
2 stopsAir Canada
30h 20mSEA-LIS
11/12Wed
2 stopsAir Canada
25h 06mLIS-SEA
$523
11/5Wed
2 stopsAir Canada
29h 20mSEA-LIS
11/24Mon
2 stopsAir Canada
22h 16mLIS-SEA
$524
11/16Sun
2 stopsUnited Airlines
24h 11mSEA-LIS
11/27Thu
2 stopsUnited Airlines
32h 35mLIS-SEA
$527
10/28Tue
2 stopsLufthansa
34h 15mSEA-LIS
11/11Tue
1 stopLufthansa
15h 10mLIS-SEA
$530
10/31Fri
1 stopBritish Airways
14h 30mSEA-LIS
11/14Fri
1 stopBritish Airways
18h 44mLIS-SEA
$539
10/28Tue
2 stopsLufthansa
34h 15mSEA-LIS
11/16Sun
1 stopLufthansa
28h 15mLIS-SEA
$549
10/16Thu
1 stopBritish Airways
29h 45mSEA-LIS
10/31Fri
1 stopBritish Airways
36h 25mLIS-SEA
$556

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Recent one-way flight deals

9/29Mon
2 stops
18h 55mSEA-FAO
$223
9/28Sun
2 stops
31h 50mSEA-FAO
$235
8/20Wed
1 stopIcelandair
21h 35mSEA-LIS
$302
10/15Wed
1 stopIcelandair
22h 00mPDX-LIS
$331
12/7Sun
1 stopLufthansa
24h 20mSEA-LIS
$346
10/15Wed
1 stopBritish Airways
19h 45mPDX-LIS
$462
11/1Sat
2 stopsUnited Airlines
27h 16mPDX-LIS
$463
12/29Mon
2 stopsUnited Airlines
16h 40mGEG-LIS
$468
8/10Sun
1 stopLufthansa
20h 30mSEA-OPO
$531
8/5Tue
1 stopBritish Airways
28h 45mSEA-OPO
$593

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Last minute flights from Washington to Portugal

Last minute flight, train and bus deals

7/19Sat
multi-stopTAP AIR PORTUGAL
20h 42mSEA-LIS
7/26Sat
multi-stopTAP AIR PORTUGAL
48h 13mLIS-SEA
$1,065
7/20Sun
multi-stop
30h 40mSEA-LIS
7/26Sat
multi-stop
27h 44mLIS-SEA
$1,103
7/20Sun
multi-stop
30h 40mSEA-LIS
7/26Sat
multi-stop
27h 04mLIS-SEA
$1,144
7/20Sun
multi-stopCondor
29h 25mPDX-FAO
7/26Sat
multi-stopCondor
30h 00mFAO-PDX
$1,220
7/19Sat
multi-stopTurkish Airlines
19h 00mSEA-LIS
7/25Fri
multi-stopTurkish Airlines
26h 05mLIS-SEA
$1,273
7/20Sun
multi-stopTurkish Airlines
30h 45mSEA-LIS
7/22Tue
multi-stopTurkish Airlines
32h 30mLIS-SEA
$1,290
7/18Fri
multi-stopUnited Airlines
14h 00mSEA-FAO
7/25Fri
multi-stopUnited Airlines
28h 30mFAO-SEA
$1,336
7/22Tue
multi-stopUnited Airlines
26h 45mSEA-LIS
7/30Wed
multi-stopUnited Airlines
14h 50mLIS-SEA
$1,589
7/19Sat
multi-stopIcelandair
22h 00mPDX-LIS
7/24Thu
multi-stopIcelandair
27h 35mLIS-PDX
$1,633
7/19Sat
multi-stopIcelandair
43h 55mPDX-LIS
7/24Thu
multi-stopIcelandair
33h 39mLIS-PDX
$1,988

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Everything you need to know for your flight to Portugal

Cabin class types available on flights to Washington

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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