$443 Cheap Flights from Houston (IAH) to Helsinki (HEL)

View $443 flight on Sun, Jan 18, 2026Opens in a new window

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

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Cheap Flights from Houston to Helsinki (IAH-HEL)

Prices were available within the past 7 days and start at $443 for one-way flights and $545 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Wed, Oct 15 - Sat, Nov 8
IAH
Houston
HEL
Helsinki
$545 Roundtrip, found 2 hours ago
$545
Roundtrip
found 2 hours ago
Select Scandinavian Airlines flight, departing Wed, Oct 15 from Houston to Helsinki, returning Sat, Nov 8, priced at $545 found 2 hours ago
British Airways
Wed, Apr 1 - Mon, Apr 13
IAH
Houston
HEL
Helsinki
$549 Roundtrip, found 1 day ago
$549
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Apr 1 from Houston to Helsinki, returning Mon, Apr 13, priced at $549 found 1 day ago
United
Wed, Nov 12 - Tue, Nov 18
IAH
Houston
HEL
Helsinki
$552 Roundtrip, found 1 day ago
$552
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 12 from Houston to Helsinki, returning Tue, Nov 18, priced at $552 found 1 day ago
United
Wed, Mar 18 - Tue, Mar 24
IAH
Houston
HEL
Helsinki
$553 Roundtrip, found 2 days ago
$553
Roundtrip
found 2 days ago
Select United flight, departing Wed, Mar 18 from Houston to Helsinki, returning Tue, Mar 24, priced at $553 found 2 days ago
British Airways
Wed, Apr 1 - Mon, Apr 13
IAH
Houston
HEL
Helsinki
$553 Roundtrip, found 1 day ago
$553
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Apr 1 from Houston to Helsinki, returning Mon, Apr 13, priced at $553 found 1 day ago
United
Mon, Nov 17 - Wed, Nov 26
IAH
Houston
HEL
Helsinki
$556 Roundtrip, found 1 day ago
$556
Roundtrip
found 1 day ago
Select United flight, departing Mon, Nov 17 from Houston to Helsinki, returning Wed, Nov 26, priced at $556 found 1 day ago
Lufthansa
Mon, Dec 29 - Tue, Jan 13
IAH
Houston
HEL
Helsinki
$563 Roundtrip, found 2 days ago
$563
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Dec 29 from Houston to Helsinki, returning Tue, Jan 13, priced at $563 found 2 days ago
Air Canada
Wed, Nov 19 - Tue, Dec 2
IAH
Houston
HEL
Helsinki
$565 Roundtrip, found 1 day ago
$565
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov 19 from Houston to Helsinki, returning Tue, Dec 2, priced at $565 found 1 day ago
Lufthansa
Mon, Dec 29 - Tue, Jan 13
IAH
Houston
HEL
Helsinki
$567 Roundtrip, found 2 days ago
$567
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Dec 29 from Houston to Helsinki, returning Tue, Jan 13, priced at $567 found 2 days ago
United
Wed, Mar 18 - Mon, Mar 23
IAH
Houston
HEL
Helsinki
$572 Roundtrip, found 2 days ago
$572
Roundtrip
found 2 days ago
Select United flight, departing Wed, Mar 18 from Houston to Helsinki, returning Mon, Mar 23, priced at $572 found 2 days ago
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, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United
Roundtrip price
$545
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 October. 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 $443 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

How much does a flight from George Bush Intercontinental Airport (IAH) to Vantaa Airport (HEL) cost?
Get a cheap one-way flight from $443 or cheap return flight from $545 from George Bush Intercontinental Airport (IAH) to Vantaa Airport (HEL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Vantaa Airport (HEL)?
October is the cheapest month to fly from IAH to HEL. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Vantaa Airport (HEL)?
To find the cheapest airline flying from IAH to HEL, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from George Bush Intercontinental Airport (IAH) to Vantaa Airport (HEL)?
You'll need to catch a flight with a layover if you're traveling from George Bush Intercontinental Airport (IAH) to Vantaa Airport (HEL). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from IAH to HEL?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Vantaa Airport (HEL)?
Select a flight from George Bush Intercontinental Airport (IAH) to Vantaa Airport (HEL) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Vantaa Airport (HEL) last-minute?
Last-minute fares from IAH to HEL are usually more expensive. To secure the lowest rates, start looking for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to score a cheap fare just before your departure.
Is it cheaper to book an IAH to HEL flight and hotel package?
You'll typically save money by booking an IAH to HEL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your preferred accommodations and flights, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Vantaa Airport (HEL)?
It's usually possible to reschedule or cancel your IAH to HEL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.