Cheap Flights from Helsinki (HEL) to Altenrhein (ACH)

Popular airlines from Helsinki-Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Flights from Helsinki (HEL) to Altenrhein (ACH)
Origin airport
Vantaa
Destination airport
St. Gallen - Altenrhein
Distance
1080 mi

Helsinki to Altenrhein Flights

The cheapest times to fly from Helsinki to Altenrhein

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

 

The best time to book a flight from Helsinki to Altenrhein

Sunday is one of the best days to book for cheap flights from Helsinki to Altenrhein: 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 Helsinki to Altenrhein

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 Helsinki to Altenrhein in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Helsinki to Altenrhein 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 Helsinki to Altenrhein 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 Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein) cost?
Grab a cheap one-way flight or cheap return flight from Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein)?
Traveling in is a great way to save, as it's the cheapest month for flights between HEL and ACH. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from HEL to ACH. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein)?
Nonstop flights from Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HEL to ACH?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, airline 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 Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein)?
To avoid possible delays on the Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein) last-minute?
Waiting until right before your break to book a flight from HEL to ACH often results in higher prices. While you may come across some last-minute offers, they're not always guaranteed. Keep your travel plans flexible to boost your chances of landing a bargain.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Altenrhein (ACH-St. Gallen - Altenrhein)?
In most instances, you're able to reschedule or cancel your HEL to ACH flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need further information, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.