Cheap flights from Washington, D.C. Dulles Intl Airport to Helsinki from $293
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. Dulles Intl Airport to Helsinki departing on 8/18. 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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Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Helsinki
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British Airways flights from Washington, D.C. Dulles Intl Airport to Helsinki
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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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 cheapest month to fly to Helsinki?
The month of January is, on average, the cheapest month to fly to Helsinki from Washington, D.C. Dulles Intl Airport, with most prices found around $415. If you aren’t able to travel during the month of January, then book flights to Helsinki from Washington, D.C. Dulles Intl Airport during October instead. Flights to Helsinki in October, while not as cheap as those in January, still average around $437.
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. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $600 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Washington, D.C. Dulles Intl Airport for as low as $489 on momondo.
What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Helsinki-Vantaa?
Icelandair, Lufthansa, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl 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. Dulles Intl Airport according to our data. Icelandair is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 8 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. Dulles Intl Airport to Helsinki
Cheap Washington, D.C. Dulles Intl Airport to Helsinki (IAD to HEL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Helsinki
How far is Washington, D.C. Dulles Intl to Helsinki-Vantaa by plane?
The distance between Washington, D.C. Dulles Intl and Helsinki-Vantaa is about 4312.7 mi. Flights usually cover this in 10h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport?
As of June 2025, there are 8 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The travel and health documents you'll need for your trip to Helsinki-Vantaa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helsinki-Vantaa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Helsinki?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Helsinki is Icelandair, representing 41% of all bookings. The subsequent popular airlines are Lufthansa at 20%, United Airlines at 10%, and Scandinavian Airlines at 9%.
Best airlines flying from Washington, D.C. Dulles Intl Airport to Helsinki
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Helsinki with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $364 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom $420 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $483 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $486 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $520 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $527 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $529 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $534 | Free Cancellation | Rating 7.5 1,463 reviews |
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Why should I use momondo to find a flight deal from Washington, D.C. to Helsinki?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Helsinki for you.
Can I find flights from Washington, D.C. to Helsinki with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Helsinki flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Helsinki?
Once all potential Washington, D.C. to Helsinki flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Washington, D.C. to Helsinki right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Helsinki from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.