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$719+ Cheap flights from Charleston (CHS) to Helsinki (HEL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — HEL
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Charleston to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$719
(Finnair)

Popular in

December

Cheapest in

November

Average price

$598
Provider with most accurate pricing for Charleston-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Charleston-Helsinki-Vantaa flights.
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From Charleston to Helsinki-Vantaa
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High demand for flights, 16% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Charleston to Helsinki

Cheapest flights from Charleston to Helsinki
Explore the most affordable flight options available from Charleston to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Finnair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2311:55 amCHS - HEL
1 stop19h 20mMultiple Airlines
Wed 4/3012:35 pmHEL - CHS
1 stop17h 05mMultiple Airlines
Deal found 3/27$719
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/234:10 pmCHS - HEL
2 stops15h 05mAmerican Airlines
Wed 4/3012:35 pmHEL - CHS
1 stop17h 05mAmerican Airlines
Deal found 3/27$734
This United deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2311:40 amCHS - HEL
3 stops46h 00mUnited Airlines
Wed 4/306:10 amHEL - CHS
2 stops38h 49mUnited Airlines
Deal found 3/27$967
This Air Canada deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:00 amCHS - HEL
3 stops23h 50mAir Canada
Wed 4/306:10 amHEL - CHS
2 stops17h 01mAir Canada
Deal found 3/26$1,139

Cheapflights Fare Finder

Customize your flight search to find flights from Charleston to Helsinki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Charleston to Helsinki that are best for you.

Fly from

Charleston

Fly to

Helsinki

Route

Depart

Return

Price

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

Wed 4/23

11:55 am-2:15 pm

1 stop19h 20m

Helsinki-Vantaa

Wed 4/30

12:35 pm-10:40 pm

1 stop17h 05m

$719

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

Wed 4/23

4:10 pm-2:15 pm

2 stops15h 05m

Helsinki-Vantaa

Wed 4/30

12:35 pm-10:40 pm

1 stop17h 05m

$734

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

Wed 4/23

11:40 am-4:40 pm

3 stops46h 00m

Helsinki-Vantaa

Wed 4/30

6:10 am-1:59 pm

2 stops38h 49m

$967

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

Wed 4/23

6:00 am-12:50 pm

3 stops23h 50m

Helsinki-Vantaa

Wed 4/30

6:10 am-4:11 pm

2 stops17h 01m

$1,139

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Compare providers for flights from Charleston to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charleston to Helsinki in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Charleston-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-Helsinki flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charleston-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Charleston to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Charleston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Charleston to Helsinki

What is the cheapest time of day to fly from CHS to HEL?

Find hourly flight availability from Charleston to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Charleston to Helsinki in the afternoon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the evening.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.0
Good
8,986 reviews
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Charleston to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Charleston to Helsinki round-trip?

    Cheapflights users have booked flights from Charleston to Helsinki round-trip from $734. Other airlines that can offer you cheap pricing are United Airlines, from $967, and Air Canada, from $1,139. American Airlines is currently priced 27% below the average price you’ll pay for this route.

  • Can I find deals for flights from Charleston to Helsinki that include hotel bookings?

    Yes. In addition to deals on Charleston to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Helsinki.

  • Can I find deals for business class flights from Charleston to Helsinki?

    Yes. Cheapflights offers flight deals from Charleston to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Charleston to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from Charleston to Helsinki (average of $444). Flying from Charleston to Helsinki in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Vantaa
Espoo
Lahti

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Alternative routes for Charleston to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Helsinki flights

Top 2 airlines flying from Charleston to Helsinki

Discover the top 2 airlines that operate flights from Charleston to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$566Average$1,345FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$571Average$1,195FlexibilityNo cancel feeOn-time71%
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