$753 Cheap Flights from San Francisco (SFO) to Kemi (KEM)

View $753 flight on Thu, Nov 20, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Kemi (KEM-Kemi - Tornio)

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Cheap Flights from San Francisco to Kemi (SFO-KEM)

Prices were available within the past 7 days and start at $753 for one-way flights and $2,950 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Mon, Jul 14 - Tue, Jul 22
SFO
San Francisco
KEM
Kemi
$2,950 Roundtrip, found 2 days ago
$2,950
Roundtrip
found 2 days ago
Select Finnair flight, departing Mon, Jul 14 from San Francisco to Kemi, returning Tue, Jul 22, priced at $2,950 found 2 days ago
Finnair
Mon, Jul 14 - Sun, Jul 20
SFO
San Francisco
KEM
Kemi
$3,020 Roundtrip, found 2 days ago
$3,020
Roundtrip
found 2 days ago
Select Finnair flight, departing Mon, Jul 14 from San Francisco to Kemi, returning Sun, Jul 20, priced at $3,020 found 2 days ago
Finnair
Sat, Jul 19 - Tue, Jul 22
SFO
San Francisco
KEM
Kemi
$3,672 Roundtrip, found 2 days ago
$3,672
Roundtrip
found 2 days ago
Select Finnair flight, departing Sat, Jul 19 from San Francisco to Kemi, returning Tue, Jul 22, priced at $3,672 found 2 days ago
Alaska Airlines
Fri, Jul 18 - Tue, Jul 22
SFO
San Francisco
KEM
Kemi
$3,686 Roundtrip, found 2 days ago
$3,686
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Jul 18 from San Francisco to Kemi, returning Tue, Jul 22, priced at $3,686 found 2 days ago
Flights from San Francisco (SFO) to Kemi (KEM)
Origin airport
San Francisco Intl.
Destination airport
Kemi - Tornio
Roundtrip price
$2,949
Distance
5077 mi

San Francisco to Kemi Flights

The cheapest times to fly from San Francisco to Kemi

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Kemi are during the month of July. You can find some of the cheapest flights from San Francisco to Kemi with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Kemi

Sunday is one of the best days to book for cheap flights from San Francisco to Kemi: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Kemi

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Kemi in 2025. You can also book with separate airlines for your outbound and return journeys, from $753 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Kemi flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Kemi airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Kemi - Tornio Airport (KEM) cost?
Discover the latest flight deals from SFO to KEM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SFO to KEM?
The cheapest flights from SFO to KEM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SFO to KEM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SFO to KEM. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Kemi - Tornio Airport (KEM)?
There are no daily direct flights departing from San Francisco Intl. Airport (SFO) to Kemi - Tornio Airport (KEM). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from SFO to KEM?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Kemi - Tornio Airport (KEM)?
To arrive at Kemi - Tornio Airport (KEM) on schedule, book a flight that takes off from San Francisco Intl. Airport (SFO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Kemi - Tornio Airport (KEM) last-minute?
Last-minute bookings from SFO to KEM are typically more expensive. To secure the lowest rates, start looking for flights ahead of time. That said, if you're flexible with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book a SFO to KEM flight and hotel package?
Compared with arranging hotels and flights separately, booking a SFO to KEM flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the stress out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Kemi - Tornio Airport (KEM)?
It's generally possible to reschedule or cancel your SFO to KEM flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.