$666 Cheap flights from Vantaa to O'Hare Intl. (HEL to ORD)

The only thing standing between you and your next memorable adventure is just one flight. Finnair is the only airline that offers nonstop services between Helsinki-Vantaa Airport and ORD, so it’s a wise idea to book well in advance.

It takes a fair amount of time to travel from Helsinki to Chicago, about 13 hours and 19 minutes all up. Be sure to bring a good quality neck pillow and wear practical shoes and clothing for this long-distance flight.

With 4,400 mi between Vantaa Airport (HEL) and O’Hare Intl. Airport (ORD), you’ll have oodles of time to relax and unwind. Enjoy the entertainment on board, tackle a crossword or snooze for a while.

Ready to fly off on your next incredible adventure? Want to get from Helsinki to Chicago as quickly as possible? Climb aboard one of the 30 nonstop flights offered by Finnair each month, and you’ll be touching down before you can utter ‘Are we there yet?’

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.