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$512+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — HEL
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
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 julio 29, 2025.

Round-trip from

$512
(Finnair)

Popular in

October

Cheapest in

November
From Charleston to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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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 julio 29, 2025.

This Finnair deal was found by Cheapflights users on 7/28. 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.
mar. 9/237:06 amCHS - HEL
1 stop20h 39mMultiple Airlines
mar. 9/3012:35 pmHEL - CHS
1 stop17h 09mMultiple Airlines
Deal found 7/28$512
This British Airways deal was found by Cheapflights users on 7/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/233:42 pmCHS - HEL
2 stops15h 38mBritish Airways
mar. 9/3012:35 pmHEL - CHS
1 stop17h 09mBritish Airways
Deal found 7/29$516
This lastminute.com deal was found by Cheapflights users on 7/29. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/224:44 pmCHS - HEL
2 stops24h 21mScandinavian Airlines
mar. 9/3011:15 amHEL - CHS
2 stops17h 07mScandinavian Airlines
Deal found 7/29$553
This United Airlines deal was found by Cheapflights users on 7/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/96:05 amCHS - HEL
2 stops27h 45mUnited Airlines
sáb. 8/236:05 amHEL - CHS
2 stops20h 03mUnited Airlines
Deal found 7/29$859
This American Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 8/97:06 amCHS - HEL
1 stop20h 39mAmerican Airlines
sáb. 8/2312:35 pmHEL - CHS
1 stop16h 27mAmerican Airlines
Deal found 7/29$1,719

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 julio 29, 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

mar. 9/23

7:06 am-10:45 am

1 stop20h 39m

Helsinki-Vantaa

mar. 9/30

12:35 pm-10:44 pm

1 stop17h 09m

$512

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

mar. 9/23

3:42 pm-2:20 pm

2 stops15h 38m

Helsinki-Vantaa

mar. 9/30

12:35 pm-10:44 pm

1 stop17h 09m

$516

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

lun. 9/22

4:44 pm-12:05 am

2 stops24h 21m

Helsinki-Vantaa

mar. 9/30

11:15 am-9:22 pm

2 stops17h 07m

$553

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

sáb. 8/9

6:05 am-4:50 pm

2 stops27h 45m

Helsinki-Vantaa

sáb. 8/23

6:05 am-7:08 pm

2 stops20h 03m

$859

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

sáb. 8/9

7:06 am-10:45 am

1 stop20h 39m

Helsinki-Vantaa

sáb. 8/23

12:35 pm-10:02 pm

1 stop16h 27m

$1,719

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 julio 29, 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.

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 julio 29, 2025.
See what other customers who have flown with United Airlines, Scandinavian Airlines, and American Airlines from Charleston to Helsinki have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

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
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

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??
Scandinavian Airlines
7.3
Good
1,449 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

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
8,896 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

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??
British Airways
6.6
Okay
7,208 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

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 $516. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $553, and United Airlines, from $859. British Airways is currently priced 39% 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 $1,081). 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 Helsinki?

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

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