Popular in | June |
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Cheapest in | October |
Average price | $1,474 |
Round-trip from | $495 (British Airways) |
Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 76% on your flight compared to booking on days when demand is much higher.
The best pricing can be found in the month of October. Prices to Helsinki from St. Louis average $1,051. You can even find prices in October for less than $1,051, as users have found deals to Helsinki from as low as $496. The month of June appears to be one of the more expensive times to travel to Helsinki from St. Louis. Flying in the targeted month can save you up to 44%.
It’s typically best to fly out from St. Louis to Helsinki in the morning. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.
Fly from
Fly to
Budget
$495 - $831
Route
Depart
Return
Price
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Wed 10/30
2 stops19h 41m
Helsinki-Vantaa
Fri 11/8
1 stop13h 51m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Wed 10/30
2 stops15h 42m
Helsinki-Vantaa
Wed 11/6
2 stops23h 31m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Wed 10/30
2 stops15h 42m
Helsinki-Vantaa
Fri 11/8
2 stops17h 06m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Wed 10/30
1 stop13h 55m
Helsinki-Vantaa
Fri 11/8
1 stop15h 05m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Thu 11/7
2 stops13h 39m
Helsinki-Vantaa
Fri 11/15
2 stops17h 06m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Fri 11/1
1 stop13h 55m
Helsinki-Vantaa
Wed 11/6
2 stops18h 25m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Wed 10/30
3 stops20h 30m
Helsinki-Vantaa
Fri 11/8
2 stops40h 16m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Sat 11/2
2 stops18h 19m
Helsinki-Vantaa
Wed 11/6
2 stops20h 39m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Sat 8/24
2 stops15h 13m
Helsinki-Vantaa
Sat 8/31
2 stops20h 40m
HEL Temperature | 21.2 - 60.8 °F |
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If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).
Boarding
Entertainment
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Overall
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Boarding
Entertainment
Crew
Food
Comfort
Overall
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Boarding
Entertainment
Crew
Food
Comfort
Overall
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Boarding
Entertainment
Crew
Food
Comfort
Overall
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Boarding
Entertainment
Crew
Food
Comfort
Overall
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Boarding
Entertainment
Crew
Food
Comfort
Overall
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
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Cheapest$507 | Average$1,154 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$528 | Average$528 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$559 | Average$896 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$692 | Average$1,066 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$731 | Average$1,531 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$771 | Average$1,260 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$879 | Average$1,473 | FlexibilityNo cancel fee | On-time70% |