$840 Cheap Flights from Sendai (SDJ) to Helsinki (HEL)

View $840 flight on Fri, Dec 5, 2025Opens in a new window

Popular airlines from Sendai Airport (SDJ) to Helsinki-Vantaa Airport (HEL)

Cheap Flights from Sendai to Helsinki (SDJ-HEL)

Prices were available within the past 7 days and start at $840 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Sendai (SDJ) to Helsinki (HEL)
Origin airport
Sendai
Destination airport
Vantaa
Distance
4734 mi

Sendai to Helsinki Flights

The cheapest times to fly from Sendai 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 Sendai to Helsinki are during the month of . You can find some of the cheapest flights from Sendai to Helsinki with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sendai to Helsinki

Sunday is one of the best days to book for cheap flights from Sendai 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 Sendai 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 Sendai to Helsinki in 2025. You can also book with separate airlines for your outbound and return journeys, from $840 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 Sendai 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 Sendai 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.

 

Frequently asked questions

How much is a flight from Sendai Airport (SDJ) to Vantaa Airport (HEL)?
If you're planning on traveling between SDJ and Vantaa Airport (HEL), round-trip journeys start from . This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sendai Intl. Airport to Vantaa Airport (HEL)?
The majority of flights can be conveniently canceled online, but whether or not you are charged a fee differs between airlines. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Sendai Airport (SDJ) to HEL that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SDJ to Helsinki-Vantaa Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sendai Intl. Airport to Helsinki-Vantaa Airport?
With around 4723 mi separating Sendai Intl. Airport and Vantaa Airport (HEL), your flight will be a long one. Pack wisely to make your journey more comfortable. Little things like a sleep mask and a cozy travel pillow should be in your hand luggage.
Which airlines fly direct from Sendai Intl. Airport to Helsinki-Vantaa Airport?
Flying directly between SDJ and Helsinki-Vantaa Airport isn't possible at the moment. However, you'll still be able to find a flight to Vantaa with at least one stop.
Are SDJ to Helsinki-Vantaa Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from SDJ to Vantaa Airport (HEL) at the last minute could save you some cash. However, it could end up costing a great deal more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

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*Available to One Key members.