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$257+ Cheap flights from San Francisco (SFO) to Košice (KSC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KSC
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from San Francisco to Košice

Cheapest flights from San Francisco to Košice
Explore the most affordable flight options available from San Francisco to Košice. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Expedia deal was found by Cheapflights users on 1/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:25 pm
SFO
-
KSC
1 stop33h 30m
Multiple Airlines
Tue 3/105:20 am
KSC
-
SFO
2 stops24h 19m
Multiple Airlines
Deal found 1/21$525
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:40 pm
SFO
-
KSC
2 stops31h 35m
Austrian Airlines
Tue 3/105:20 am
KSC
-
SFO
2 stops24h 19m
Austrian Airlines
Deal found 1/21$538

Find flight deals from San Francisco to Košice

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Košice (KSC). 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 January 21, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
3 stars
Provider with most accurate pricing for San Francisco-Košice Barca flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Košice Barca flights.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Košice 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 January 21, 2026.
Use the filters below to find and compare flights from San Francisco to Košice that are best for you.

Fly from

San Francisco

Fly to

Košice

Route

Depart

Return

Price

San FranciscoKošice

SFO - KSC

SFOKSC

San Francisco

Mon 3/2

7:25 pm-1:55 pm

1 stop33h 30m

Košice Barca

Tue 3/10

5:20 am-9:39 pm

2 stops24h 19m

$525

San FranciscoKošice

SFO - KSC

SFOKSC

San Francisco

Mon 3/2

9:40 pm-2:15 pm

2 stops31h 35m

Košice Barca

Tue 3/10

5:20 am-9:39 pm

2 stops24h 19m

$538

San FranciscoKošice

SFO - KSC

SFOKSC

San Francisco

Tue 4/28

9:05 pm-11:20 pm

2 stops17h 15m

$257

San FranciscoKošice

SFO - KSC

SFOKSC

San Francisco

Tue 4/28

9:05 pm-10:50 pm

3 stops40h 45m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

  • Most accurate provider: When it comes to deals on San Francisco-Košice flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Francisco-Košice flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from San Francisco-Košice flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Košice flights, Cheapflights users trust AranGrant the most. AranGrant 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 San Francisco-Košice 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 San Francisco to Košice

Have a flexible travel schedule? Discover the best time to fly to Košice from San Francisco 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.

Reviews of airlines servicing Košice

Get insights into the airlines that provide service to Košice. 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 Košice. Reviews last updated January 21, 2026.
Get a feel of what it's like to fly with SWISS from San Francisco to Košice by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,855 reviews

Boarding

7.7

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.3

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
SWISS
7.5
Good
1,855 reviews
SWISS
7.5
Good
1,855 reviews

Boarding

7.7

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.3

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Košice. 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 San Francisco to Košice?

    Austrian Airlines can get you from San Francisco to Košice in just under 31h 35m. Your travel time can differ by up to . Airlines will cover a distance of 6067 mi.

  • Can I find deals for flights from San Francisco to Košice that include hotel bookings?

    Yes. In addition to deals on San Francisco to Košice flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Košice?

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

  • Can I find deals for business class flights from San Francisco to Košice?

    Yes. Cheapflights offers flight deals from San Francisco to Košice 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from San Francisco to Košice

Discover the top airline that operate flights from San Francisco to Košice. 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$710Average$785FlexibilityNo cancel feeOn-time79%

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