$472 Cheap Flights from Houston (IAH) to Helsinki (HEL)

Popular airlines from George Bush Intercontinental Airport (IAH) to Helsinki-Vantaa Airport (HEL)

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Find available prices by choosing your travel dates.

Cheap Flights from Houston to Helsinki (IAH-HEL)

Prices were available within the past 7 days and start at $472 for one-way flights and $615 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
American Airlines
British Airways
British Airways
British Airways
United
British Airways
United
Air Canada
Delta
Flights from Houston (IAH) to Helsinki (HEL)
Origin airport
George Bush Intercontinental
Destination airport
Vantaa
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United
Roundtrip price
$614
Distance
5349 mi

Houston to Helsinki Flights

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

The best time to book a flight from Houston to Helsinki

Sunday is one of the best days to book for cheap flights from Houston 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 Houston 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 Houston to Helsinki in 2025. You can also book with separate airlines for your outbound and return journeys, from $472 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 Houston 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 Houston 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

Is it cheaper to buy a plane ticket from Houston Airport to Helsinki Airport last minute?
When it’s time to book your flights, it’s better to be prepared. While it may be possible to pick up a last-minute deal on a George Bush Intercontinental Airport (IAH) to Helsinki Airport flight, fares usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international flights it’s three to four months.
What airports do you fly into for Helsinki from Houston?
Vantaa Airport (HEL), Helsinki-Malmi Airport (HEM) and Lahti (QLF-Lahti Vesivehmaa) are your options when jetting off from Houston to Helsinki. Approximately 10 mi north of downtown Helsinki, Vantaa Airport (HEL) is the city’s major hub. Think about factors such as flight arrival and departure times and the distance to your hotel before settling on an airport. Helsinki Cathedral and Senate Square are two leading attractions to put on your to-do list when you get to your destination.
Can I change the date of my flight from IAH to HEL?
You can easily make changes to your George Bush Intercontinental Airport (IAH) to HEL flight through the Expedia Trips portal. Before making any amendments, read over the conditions and rules in your itinerary to see what you’re able to do and if any charges apply. Some airlines have a change fee per person, on top of any difference in fares. But if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also head to our Customer Service portal for more info and to connect with our Virtual Agent.

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