HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helsinki

$507+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — HEL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to Helsinki with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$507
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$741
Provider with most accurate pricing for Charleston-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Helsinki-Vantaa flights.
Search Deals
From Charleston to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($337 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:06 pmCHS - HEL
2 stops38h 04mUnited Airlines
Tue 11/251:55 pmHEL - CHS
2 stops36h 05mUnited Airlines
Deal found 10/28$507
This Finnair deal was found by Cheapflights users on 10/28. 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.
Sat 11/1512:26 pmCHS - HEL
1 stop15h 19mFinnair
Tue 11/254:55 pmHEL - CHS
2 stops36h 39mFinnair
Deal found 10/28$983
This Finnair deal was found by Cheapflights users on 10/30. 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.
Sat 11/157:00 amCHS - HEL
1 stop20h 45mMultiple Airlines
Tue 11/254:55 pmHEL - CHS
2 stops36h 39mMultiple Airlines
Deal found 10/30$984
This Scandinavian Airlines deal was found by Cheapflights users on 10/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:00 amCHS - HEL
3 stops21h 40mScandinavian Airlines
Tue 11/256:15 amHEL - CHS
2 stops21h 17mScandinavian Airlines
Deal found 10/28$1,781

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 October 30, 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

Sat 11/15

4:06 pm-1:10 pm

2 stops38h 04m

Helsinki-Vantaa

Tue 11/25

1:55 pm-7:00 pm

2 stops36h 05m

$507

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

Wed 3/4

12:45 pm-4:25 pm

2 stops20h 40m

Helsinki-Vantaa

Sun 3/8

2:05 pm-9:49 am

2 stops25h 44m

$532

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

Wed 3/4

10:57 am-11:10 am

1 stop17h 13m

Helsinki-Vantaa

Sun 3/8

12:30 pm-9:55 pm

1 stop15h 25m

$732

CharlestonHelsinki

CHS - HEL

CHSHEL

Charleston

Sat 11/15

12:26 pm-10:45 am

1 stop15h 19m

Helsinki-Vantaa

Tue 11/25

4:55 pm-10:34 pm

2 stops36h 39m

$984

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charleston-Helsinki flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 30, 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 35% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Charleston to Helsinki?

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.

  • How long is the flight from Charleston to Helsinki?

    Departing from Charleston to Helsinki will take you 20h 40m. Charleston and Helsinki are separated by a distance of 4739 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

Traveling to a place near Helsinki?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.