$245 Find Cheap Flights from Washington to Europe

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Good to know

Low seasonJanuary
High seasonJune
Cheapest flight$245
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 37% increase in price.
Flight from Seattle to Rome Fiumicino Airport

Flights from Washington to Europe: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Washington to Europe 
Verified travelerFlew with British AirwaysSEA-LHRApr 2025
Make sure you have plenty of time between flights if you are delayed.
Verified travelerFlew with Air Tahiti NuiSEA-CDGOct 2024
First time flying with Tahiti and I would recommend. Service and crew were excellent!
GaryFlew with British AirwaysSEA-LHRAug 2024
I have always used British Airways for trips to London and have been happy with their service.
Verified travelerFlew with CondorSEA-FRAJun 2024
Use a regular airline like Lufthansa or KLM.
Verified travelerFlew with LufthansaSEA-FRAApr 2024
If you don't have checked luggage, no need to be in a rush to line up. There will be a spot for your little carry-on rollie bag, so relax until the line is down to board the plane.
Verified travelerFlew with LufthansaSEA-FRAMay 2024
I always liked to fly with Lufthansa. I have good experience with timing and comfort.
Verified travelerFlew with British AirwaysSEA-LHRApr 2024
Bring a sack lunch -- airport food was very expensive.

FAQs for booking flights from Washington to Europe

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

    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 Europe.

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

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

    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 Europe 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 Europe?

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

  • Which is the cheapest airport to fly into in Europe?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Europe is Kastrup Copenhagen Airport (CPH), with an average flight price of $473.

  • What is the cheapest day to fly to Europe?

    Based on KAYAK data, the cheapest day to fly to Europe is Tuesday where round-trip tickets can be as cheap as $833. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $979 on average.

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

    The cheapest time of day to fly to Europe is generally in the evening, when round-trip flights cost $895 on average. Morning departures are around 9% more expensive than evening flights, on average. The most expensive time of day to fly to Europe is generally in the morning, which is peak travel time and where the average cost of a ticket is $980.

  • What is the cheapest flight to Europe?

    The cheapest ticket to Europe from Washington found in the last 72 hours was to Copenhagen, at $443 round-trip. The most popular route is Seattle (SEA) to London Heathrow Airport (LHR) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $609.

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

    The cheapest month for flights from Washington to Europe is November, when tickets cost $675 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $1,349 and $1,078 respectively.

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

    To get a below average price on the flight from Washington to Europe, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

  • How long is the flight to Europe?

    An average nonstop flight from Washington to Europe takes 12h 30m, covering a distance of 5125 miles. The shortest route is Seattle (SEA) to Reykjavik Keflavik Intl Airport (KEF) with an average flight time of 7h 25m.

  • What are the most popular destinations in Europe?

    Based on KAYAK flight searches, the most popular destination is London (28% of total searches to Europe). The next most popular destinations are Paris (13%) and Istanbul (6%). Searches for flights to Dublin (5%), to Rome (4%) and to Amsterdam (4%) are also popular.

Book cheap flights from Washington to Europe

Recent round-trip flight deals

8/25Mon
1 stopScandinavian Airlines
18h 15mSEA-DUB
9/7Sun
1 stopScandinavian Airlines
35h 35mDUB-SEA
$434
8/25Mon
1 stopScandinavian Airlines
21h 40mSEA-LHR
9/8Mon
1 stopScandinavian Airlines
15h 10mLHR-SEA
$437
5/11Sun
1 stopCondor
14h 50mSEA-FCO
5/15Thu
1 stopCondor
15h 45mFCO-SEA
$453
8/11Mon
nonstopAer Lingus
9h 05mSEA-DUB
8/19Tue
nonstopAer Lingus
9h 40mDUB-SEA
$462
8/5Tue
nonstopAer Lingus
9h 05mSEA-DUB
8/19Tue
nonstopAer Lingus
9h 40mDUB-SEA
$463
5/11Sun
1 stopCondor
14h 50mSEA-FCO
5/22Thu
1 stopCondor
15h 45mFCO-SEA
$489
8/6Wed
1 stopIcelandair
13h 30mSEA-DUB
8/20Wed
1 stopIcelandair
13h 35mDUB-SEA
$508
8/14Thu
1 stopIcelandair
29h 45mSEA-DUB
8/21Thu
1 stopIcelandair
11h 35mDUB-SEA
$510
8/12Tue
2 stopsUnited Airlines
18h 45mSEA-DUB
8/19Tue
2 stopsUnited Airlines
34h 11mDUB-SEA
$543
8/5Tue
2 stopsUnited Airlines
37h 48mSEA-DUB
8/19Tue
1 stopUnited Airlines
32h 01mDUB-SEA
$549

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Recent one-way flight deals

7/24Thu
1 stopIcelandair
13h 50mSEA-FCO
$245
7/27Sun
1 stopIcelandair
11h 40mSEA-LGW
$248
10/18Sat
2 stops
31h 30mSEA-DUB
$252
10/19Sun
2 stops
17h 00mSEA-AMS
$252
10/18Sat
1 stopWestJet
13h 00mSEA-DUB
$327
10/19Sun
1 stopJetBlue
13h 30mSEA-DUB
$359
9/24Wed
1 stopJetBlue
14h 05mSEA-LGW
$364
6/28Sat
3 stopsWestJet
42h 55mSEA-AMS
$372
8/6Wed
nonstopBritish Airways
9h 20mSEA-LHR
$377
8/4Mon
nonstopBritish Airways
9h 20mSEA-LHR
$415

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Last minute flights from Washington to Europe

Last minute flight, train and bus deals

5/4Sun
multi-stop
14h 50mSEA-FCO
5/6Tue
multi-stop
21h 14mFCO-SEA
$540
5/4Sun
nonstopCondor
10h 05mSEA-FRA
5/22Thu
nonstopCondor
10h 20mFRA-SEA
$550
5/4Sun
multi-stopIcelandair
32h 45mSEA-LGW
5/20Tue
multi-stopIcelandair
13h 00mLGW-SEA
$579
5/4Sun
multi-stopIcelandair
32h 55mSEA-LHR
5/20Tue
multi-stopIcelandair
31h 15mLHR-SEA
$634
5/4Sun
multi-stopIberia
14h 53mPDX-LHR
5/21Wed
nonstopIberia
9h 55mLHR-PDX
$738
5/4Sun
multi-stopDelta
15h 25mPDX-LHR
5/21Wed
multi-stopDelta
17h 39mLHR-PDX
$739
5/4Sun
multi-stopDelta
18h 08mPDX-LHR
5/21Wed
multi-stopDelta
13h 55mLHR-PDX
$748
5/4Sun
multi-stopJetBlue
15h 22mSEA-LHR
5/20Tue
multi-stopJetBlue
34h 03mLHR-SEA
$767
5/4Sun
multi-stopJetBlue
15h 22mSEA-LHR
5/8Thu
multi-stopJetBlue
20h 39mLHR-SEA
$774
5/1Thu
multi-stopIberia
17h 25mPDX-LHR
5/15Thu
nonstopIberia
9h 55mLHR-PDX
$788

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Everything you need to know for your flight to Europe

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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