- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Washington to Helsinki (IAD-HEL)
Prices were available within the past 7 days and start at $251 for one-way flights and $411 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frequently asked questions
Travel information
Travel information
Origin airport | Washington Dulles Intl. |
Destination airport | Vantaa |
Airlines serving | Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United |
Roundtrip price | $410 |
Distance | 4310 mi |
Book with confidence
Book with confidence
The cheapest times to fly from Washington to Helsinki
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Helsinki are during the month of November. You can find some of the cheapest flights from Washington to Helsinki with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Washington to Helsinki
Sunday is one of the best days to book for cheap flights from Washington to Helsinki: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Washington to Helsinki
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Helsinki in 2025. You can also book with separate airlines for your outbound and return journeys, from $251 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Helsinki flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Helsinki airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Be inspired and discover more with Expedia
Be inspired and discover more with Expedia
Flights
- United Washington (IAD) to Fort Lauderdale (FLL) flights
- avianca Washington (IAD) to Guatemala City (GUA) flights
- Emirates Washington (IAD) to Delhi (DEL) flights
- United Washington (IAD) to Los Angeles (LAX) flights
- United Washington (IAD) to Miami (MIA) flights
- Frontier Airlines Washington (IAD) to Orlando (MCO) flights
- United Washington (IAD) to Houston (IAH) flights
- Air Canada Washington (IAD) to Tokyo (NRT) flights
- Flights from Manassas Regional
- Flights from College Park
- Flights from Easton - Newnam
- Flights from Ronald Reagan Washington National
- Flights from Eastern West Virginia Regional
- Flights from Montgomery County Airpark
- Flights from Martin State
- Flights from Tipton
- Flights from Hagerstown Regional
- Flights from Baltimore Washington Intl. Thurgood Marshall
- Flights to Vantaa
- Flights to Porvoo
- Flights to Vaasa
- Flights to Kittila
- Flights to Helsinki
- Flights to Lahti
- Flights to Turku
- Flights to Kolari
- Flights to Inari
- Flights to Espoo
- Flights to Kuusamo
- Flights to Jyväskylä
- Flights to Tampere
- Flights to Oulu
- Flights to Sodankyla
- Flights to Rovaniemi
- Flights to Saariselka
- Flights to Joensuu
- Flights to Kemi
- Flights to Kuopio
- Swiss International Air Lines
- British Airways
- United
- Frontier Airlines
- Lufthansa
- Air France
- American Airlines
- Turkish Airlines
- Alaska Airlines
- Air Canada
- avianca
- Delta
- Emirates
- KLM
- Etihad Airways
- Qatar Airways
- Flights from Norfolk (ORF) to Las Vegas (LAS)
- Flights from Richmond (RIC) to Las Vegas (LAS)
- Flights from Richmond (RIC) to Fort Lauderdale (FLL)
- Flights from Washington (IAD) to Fort Lauderdale (FLL)
- Flights from Norfolk (ORF) to Manila (MNL)
- Flights from Norfolk (ORF) to Atlanta (ATL)
- Flights from Richmond (RIC) to Atlanta (ATL)
- Flights from Washington (IAD) to Guatemala City (GUA)
- Flights from Washington (IAD) to Delhi (DEL)
- Flights from Seattle (SEA) to Norfolk (ORF)
- Flights from Orlando (MCO) to Norfolk (ORF)
- Flights from Atlanta (ATL) to Norfolk (ORF)
- Flights from Washington (IAD) to Los Angeles (LAX)
- Flights from Richmond (RIC) to Los Angeles (LAX)
- Flights from Norfolk (ORF) to Los Angeles (LAX)
- Flights from Norfolk (ORF) to New York (NYC)
- Flights from Richmond (RIC) to New York (NYC)
- Flights from Norfolk (ORF) to Dallas (DFW)
- Flights from Richmond (RIC) to Dallas (DFW)
- Flights from Washington (IAD) to Punta Cana (PUJ)
- Flights from Norfolk (ORF) to Miami (MIA)
- Flights from Richmond (RIC) to Miami (MIA)
- Flights from Washington (IAD) to Miami (MIA)
- Flights from Washington (IAD) to Hyderabad (HYD)
- Flights from Norfolk (ORF) to Honolulu (HNL)
- Flights from Richmond (RIC) to Orlando (MCO)
- Flights from Norfolk (ORF) to Orlando (MCO)
- Flights from Washington (IAD) to Rome (FCO)
- Flights from Atlanta (ATL) to Richmond (RIC)
- Flights from Los Angeles (LAX) to Richmond (RIC)
- Flights from Orlando (MCO) to Richmond (RIC)
- Flights from Washington (IAD) to Houston (IAH)
- Flights from Richmond (RIC) to New Orleans (MSY)
- Flights from Richmond (RIC) to Chicago (ORD)
- Flights from Norfolk (ORF) to Chicago (ORD)
- Flights from Washington (IAD) to Paris (CDG)
- Flights from Richmond (RIC) to Phoenix (PHX)
- Flights from Washington (IAD) to Tokyo (NRT)
- Flights from Houston (IAH) to Helsinki (HEL)
- Flights from Zürich (ZRH) to Helsinki (HEL)
- Flights from Miami (MIA) to Helsinki (HEL)
- Flights from Chicago (ORD) to Helsinki (HEL)
- Flights from Seattle (SEA) to Helsinki (HEL)
- Flights from Minneapolis (MSP) to Helsinki (HEL)
- Flights from Los Angeles (LAX) to Helsinki (HEL)
- Flights from Denver (DEN) to Helsinki (HEL)
- Flights from Boston (BOS) to Helsinki (HEL)
- Flights from Newark Liberty Intl. Airport (EWR) to Helsinki (HEL)
- Flights from New York (JFK) to Helsinki (HEL)
- Flights from New York (LGA) to Helsinki (HEL)
- Flights from Richmond (RIC) to Boston (BOS)
- Flights from Norfolk (ORF) to San Diego (SAN)
- Flights from Richmond (RIC) to Tampa (TPA)
- Flights from Washington (IAD) to Tampa (TPA)