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Flights from Washington D.C. to Helsinki

What to know about flights from Washington D.C. to Helsinki?

The distance between Washington D.C. and Helsinki is approximately 6,924.56 km. Based on Trip.com's data, travel demand peaks in July.

Cheapest one-way
$292
Icelandair Icelandair WAS-HEL 10h 20m · 1 stop Tue, Nov 3
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Cheapest round-trip
$476
Scandinavian Airlines Scandinavian Airlines WAS-HEL 11h 55m · 2 stops Wed, Nov 18 - Wed, Nov 25
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Recommended airlines
Icelandair Icelandair Cheapest · From $292 Scandinavian Airlines Scandinavian Airlines Most booked
When to travel
November
Cheapest
July
Peak season for travel
Route details
6,924.56 km
Flight distance

Which airlines are the most popular for Washington D.C. to Helsinki flights?

You can choose from 1 airlines that fly from Washington D.C. to Helsinki, including Scandinavian Airlines, Icelandair has lowest fares on this route.
Scandinavian Airlines logo Scandinavian Airlines
Airlines are determined based on actual purchased flight tickets from Washington D.C. to Helsinki according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Washington D.C. to Helsinki (WAS-HEL)?

    Based on Trip.com data, Icelandair offers one-way fares as low as $292 on Cheapest nonstop routes (e.g. IAD to HEL on Tue, Nov 3), while Scandinavian Airlines offers Cheapest nonstop round-trips from $476 departing on Wed, Nov 18 and returning on Wed, Nov 25.
  • At the moment, several airlines serve connecting flights from Washington D.C. to Helsinki, including: Scandinavian Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Helsinki is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Washington D.C. to Helsinki, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Nov 3, with one-way flights priced at just $292.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Icelandair.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Helsinki travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Washington D.C. to Helsinki is November, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Washington D.C. to Helsinki on October 18, 2026 with Scandinavian Airlines, with prices starting at $441.
  • You can arrive at any of the following airports in Helsinki: Helsinki Airport (HEL). Flights from Dulles International Airport to Helsinki Airport (IAD-HEL) are by far the most popular option for this route.
  • The time difference between Helsinki and Washington D.C. is 7h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Washington D.C. to Helsinki is $618. Fares vary by travel date, airline and availability.
  • Enter Washington D.C. and Helsinki, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.