Cheap flights from Washington, D.C. to Helsinki from $247
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Helsinki departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Washington, D.C. to Helsinki
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Washington, D.C. and Helsinki?
What is the cheapest month to fly to Helsinki?
The month of November is, on average, the cheapest month to fly to Helsinki from Washington, D.C., with most prices found around $364. If you aren’t able to travel during the month of November, then book flights to Helsinki from Washington, D.C. during February instead. Flights to Helsinki in February, while not as cheap as those in November, still average around $383.
What is the cheapest day to depart on your flight to Helsinki?
The cheapest day to depart on your flight to Helsinki is on a Tuesday when prices can be found for as low as $364. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. to Helsinki on a Wednesday will generally be more expensive and average around $692. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Helsinki?
According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from Washington, D.C. to Helsinki in the evening for as low as $399. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Helsinki, so prices are often more expensive at around $541 per ticket.
How far in advance should I book a flight to Helsinki?
You are more likely to see cheaper flights to Helsinki from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $604 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Washington, D.C. for as low as $489 on momondo.
What is the cheapest airline that flies from Washington, D.C. to Helsinki-Vantaa?
Icelandair is the most popular carrier operating from Washington, D.C. to Helsinki-Vantaa
What airlines fly to Helsinki?
Icelandair, Lufthansa and United Airlines are the top three most popular airlines that fly to Helsinki from Washington, D.C. according to our data. Icelandair is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 9 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.
When to book flights from Washington, D.C. to Helsinki
Cheap Washington, D.C. to Helsinki (WAS to HEL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Helsinki
How far is Washington, D.C. to Helsinki-Vantaa by plane?
The straight-line distance from Washington, D.C. to Helsinki-Vantaa is 4303.0 mi. 10h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Helsinki-Vantaa Airport?
Prices for flights from Washington, D.C. to Helsinki-Vantaa Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Helsinki-Vantaa Airport?
The number of operators available for flights from Washington, D.C. to Helsinki-Vantaa Airport is 9 as of July 2025.
How old do you have to be to fly from Washington, D.C. to Helsinki-Vantaa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. to Helsinki?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Helsinki is Icelandair, representing 65% of all bookings. The subsequent popular airlines are British Airways at 12%, American Airlines at 9%, and United Airlines at 3%.
Best airlines flying from Washington, D.C. to Helsinki
Compare and see reviews for airlines that fly from Washington, D.C. to Helsinki with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $355 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom $420 | Free Cancellation | Rating 7.3 1,416 reviews | |||
| PriceFrom $426 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $430 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $473 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $486 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom $526 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $529 | Free Cancellation | Rating 7.8 1,367 reviews | |||
| PriceFrom $534 | Free Cancellation | Rating 7.5 1,465 reviews |
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Why should I use momondo to find a flight deal from Washington, D.C. to Helsinki?
It is quick and easy to find Washington, D.C. to Helsinki flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helsinki that suits you.
Can I find flights from Washington, D.C. to Helsinki with flexible booking policies on momondo?
All flight searches from Washington, D.C. to Helsinki on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Helsinki?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Helsinki.
I’m not ready to book a flight from Washington, D.C. to Helsinki right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Washington, D.C. to Helsinki flights. All you need is a valid email address and we will do the rest; it is that quick and easy.