Question 1

What is the cheapest flight from Helsinki to Washington, D.C. Dulles Intl Airport?

Accepted Answer

In the last 3 days, the lowest price for a flight from Helsinki to Washington, D.C. Dulles Intl Airport was $359 for a one-way ticket and $454 for a round-trip. <a href='/flight-routes/Helsinki-Vantaa-HEL/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Helsinki and Washington, D.C.?

Accepted Answer

A passport is required to fly from Helsinki to Washington, D.C.. <a href='/flight-routes/Helsinki-Vantaa-HEL/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 3

What’s the cheapest day of the week to fly from Helsinki to Washington, D.C.?

Accepted Answer

If you are looking for a flight deal from Helsinki to Washington, D.C., look for departures on Mondays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Washington, D.C., Monday is the cheapest day to fly and Saturday is the most expensive. Visit our flight page for the latest deals!>/a>

Question 4

What’s the cheapest day of the week to fly from Helsinki to Washington, D.C.?

Accepted Answer

If you are looking for a flight deal from Helsinki to Washington, D.C., look for departures on Mondays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Washington, D.C., Monday is the cheapest day to fly and Saturday is the most expensive. Visit our flight page for the latest deals!>/a>

Question 5

Which aircraft models fly most regularly from Helsinki to Washington, D.C.?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 6

Which airline alliances offer flights from Helsinki to Washington, D.C.?

Accepted Answer

Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Helsinki and Washington, D.C., with Star Alliance being the most commonly used for this route.

Question 7

What is the cheapest month to fly from Helsinki to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The cheapest month for flights from Helsinki to Washington, D.C. Dulles Intl Airport is March, where tickets cost $514 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $834 and $833 respectively.

Question 8

What is the cheapest month to fly from Helsinki to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The cheapest month for flights from Helsinki to Washington, D.C. Dulles Intl Airport is March, where tickets cost $514 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $834 and $833 respectively.

Question 9

How does KAYAK find such low prices on flights from Helsinki to Washington, D.C.?

Accepted Answer

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 Helsinki to Washington, D.C.. <a href='/flight-routes/Helsinki-Vantaa-HEL/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 10

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Helsinki to Washington, D.C.?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Helsinki is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Helsinki-Vantaa-HEL/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 11

What is the Hacker Fare option on flights from Helsinki to Washington, D.C.?

Accepted Answer

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, D.C. with an airline and back to Helsinki with another airline. Booking your flights between Helsinki and IAD can sometimes prove cheaper using this method. <a href='/flight-routes/Helsinki-Vantaa-HEL/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 12

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Helsinki to Washington, D.C.?

Accepted Answer

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, D.C. from Helsinki up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Helsinki-Vantaa-HEL/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 13

What is the cheapest layover airport when flying from Helsinki to Washington, D.C.?

Accepted Answer

Flights via Munich (MUC) offer the most affordable fares, with an average round-trip price of $707.

Question 14

What is the most popular layover airport when flying from Helsinki to Washington, D.C.?

Accepted Answer

Amsterdam (AMS) is the top choice – 35% of KAYAK users who clicked on 1-stop flights from Helsinki to Washington, D.C. picked an itinerary connecting there.

Question 15

Which layover airport has the quickest connection when flying from Helsinki to Washington, D.C.?

Accepted Answer

If you prefer a quick connection, Reykjavik (KEF) often has the shortest layovers from Helsinki to Washington, D.C., with an average of 1h 06m.

Question 16

Which layover airport offers the shortest total travel time from Helsinki to Washington, D.C.?

Accepted Answer

Consider flying via Reykjavik (KEF) for the shortest journey. The average one-way travel time for flights connecting there is 11h 15m.

Question 17

Which airlines provide the cheapest flights from Helsinki to Washington, D.C.?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Helsinki to Washington, D.C. were found on Icelandair ($454) and Lufthansa ($479).

Question 18

Which airlines provide the cheapest flights from Helsinki to Washington, D.C.?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Helsinki to Washington, D.C. were found on Icelandair ($454) and Lufthansa ($479).

Question 19

How far in advance should I book a flight from Helsinki to Washington, D.C. Dulles Intl Airport?

Accepted Answer

To get a below average price on the flight from Helsinki to Washington, D.C. Dulles Intl Airport, you should book around 5 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Question 20

How far in advance should I book a flight from Helsinki to Washington, D.C. Dulles Intl Airport?

Accepted Answer

To get a below average price on the flight from Helsinki to Washington, D.C. Dulles Intl Airport, you should book around 5 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Question 21

How much is a round-trip flight from Helsinki to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Flight prices are below average for this route right now.Flights to Washington, D.C. Dulles Intl Airport from Helsinki usually cost between $513 and $740 in September.
The lowest price found in the past 3 days was $454 on Icelandair (Sep 18-Oct 1).

Low season	March
High season	May
Cheapest flight	$359

HEL - IAD

$359 Find Cheap Flights from Helsinki to Washington, D.C.

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

Cheap Flights from Helsinki to Washington, D.C. (HEL-IAD)

Recent round-trip flight deals from Helsinki to Dulles Intl

Recent one-way flight deals from Helsinki to Dulles Intl

KAYAK's insights & trends for Helsinki to Dulles Intl flights

Get data-powered insights and trends into flights from Helsinki to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Helsinki to Washington, D.C. Dulles Intl Airport?

What’s the cheapest day of the week to fly from Helsinki to Washington, D.C.?

If you are looking for a flight deal from Helsinki to Washington, D.C., look for departures on Mondays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Washington, D.C., Monday is the cheapest day to fly and Saturday is the most expensive.

What is the cheapest month to fly from Helsinki to Washington, D.C. Dulles Intl Airport?

The cheapest month for flights from Helsinki to Washington, D.C. Dulles Intl Airport is March, where tickets cost $514 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $834 and $833 respectively.

How far in advance should I book a flight from Helsinki to Washington, D.C. Dulles Intl Airport?

To get a below average price on the flight from Helsinki to Washington, D.C. Dulles Intl Airport, you should book around 5 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Which airlines provide the cheapest flights from Helsinki to Washington, D.C.?

In the past 3 days, the cheapest round-trip tickets from Helsinki to Washington, D.C. were found on Icelandair ($454) and Lufthansa ($479).

What is the most popular layover airport when flying from Helsinki to Washington, D.C.?

Amsterdam (AMS) is the top choice – 35% of KAYAK users who clicked on 1-stop flights from Helsinki to Washington, D.C. picked an itinerary connecting there.

What is the cheapest layover airport when flying from Helsinki to Washington, D.C.?

Flights via Munich (MUC) offer the most affordable fares, with an average round-trip price of $707.

Which layover airport offers the shortest total travel time from Helsinki to Washington, D.C.?

Consider flying via Reykjavik (KEF) for the shortest journey. The average one-way travel time for flights connecting there is 11h 15m.

Which layover airport has the quickest connection when flying from Helsinki to Washington, D.C.?

If you prefer a quick connection, Reykjavik (KEF) often has the shortest layovers from Helsinki to Washington, D.C., with an average of 1h 06m.

Good to know

When to book flights from Helsinki to Dulles Intl

FAQs for booking Helsinki to Washington, D.C. flights

What is the cheapest flight from Helsinki to Washington, D.C. Dulles Intl Airport?

In the last 3 days, the lowest price for a flight from Helsinki to Washington, D.C. Dulles Intl Airport was $359 for a one-way ticket and $454 for a round-trip.

Do I need a passport to fly between Helsinki and Washington, D.C.?

A passport is required to fly from Helsinki to Washington, D.C..

Which aircraft models fly most regularly from Helsinki to Washington, D.C.?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Helsinki to Washington, D.C.?

Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Helsinki and Washington, D.C., with Star Alliance being the most commonly used for this route.

How does KAYAK find such low prices on flights from Helsinki to Washington, D.C.?

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 Helsinki to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Helsinki to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Helsinki 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 Helsinki to Washington, D.C.?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Helsinki to Washington, D.C.?

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, D.C. from Helsinki 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 from Helsinki to Dulles Intl

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

Find direct flights to and from Helsinki and Dulles Intl

Flights to other popular destinations

Flights from domestic origins to Dulles Intl

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight