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Cheap flights from Košice to San Francisco from $614

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Košice to San Francisco departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Košice to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:50 pm - 4:15 pmKSC  Košice Barca-SFO San Francisco
34h 25m1 stop Zurich
Multiple Airlines Logo
9:05 pm - 11:20 pmSFO  San Francisco-KSC Košice Barca
17h 15m2 stops Munich Franz Josef Strauss Vienna Intl
$614Multiple Airlines
Wed, Aug 19 - Sun, Aug 23
Lufthansa Logo
5:25 am - 3:15 pmKSC  Košice Barca-SFO San Francisco
18h 50m2 stops Vienna Intl Frankfurt am Main
Lufthansa Logo
2:00 pm - 11:20 pmSFO  San Francisco-KSC Košice Barca
24h 20m2 stops Munich Franz Josef Strauss Vienna Intl
$635Lufthansa
Fri, Aug 21 - Tue, Aug 25
SWISS Logo
2:50 pm - 4:15 pmKSC  Košice Barca-SFO San Francisco
34h 25m1 stop Zurich
SWISS Logo
7:35 pm - 6:55 pmSFO  San Francisco-KSC Košice Barca
14h 20m1 stop Zurich
$645SWISS
Wed, Aug 19 - Sun, Aug 23
Lufthansa Logo
2:45 pm - 2:20 pmKSC  Košice Barca-SFO San Francisco
32h 35m2 stops Vienna Intl Munich Franz Josef Strauss
Lufthansa Logo
2:00 pm - 11:20 pmSFO  San Francisco-KSC Košice Barca
24h 20m2 stops Munich Franz Josef Strauss Vienna Intl
$646Lufthansa
Wed, Aug 19 - Sun, Aug 23
Multiple Airlines Logo
10:00 am - 4:15 pmKSC  Košice Barca-SFO San Francisco
15h 15m1 stop Zurich
Multiple Airlines Logo
2:00 pm - 11:20 pmSFO  San Francisco-KSC Košice Barca
24h 20m2 stops Munich Franz Josef Strauss Vienna Intl
$650Multiple Airlines
Fri, Aug 21 - Tue, Aug 25
Multiple Airlines Logo
2:45 pm - 12:40 pmKSC  Košice Barca-SFO San Francisco
30h 55m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
7:35 pm - 6:55 pmSFO  San Francisco-KSC Košice Barca
14h 20m1 stop Zurich
$994Multiple Airlines
Sat, Aug 29 - Sun, Sep 13
Multiple Airlines Logo
5:25 am - 3:15 pmKSC  Košice Barca-SFO San Francisco
18h 50m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
7:35 pm - 6:55 pmSFO  San Francisco-KSC Košice Barca
14h 20m1 stop Zurich
$997Multiple Airlines
Sat, Aug 29 - Sun, Sep 13
Multiple Airlines Logo
2:45 pm - 3:15 pmKSC  Košice Barca-SFO San Francisco
33h 30m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
7:35 pm - 6:55 pmSFO  San Francisco-KSC Košice Barca
14h 20m1 stop Zurich
$998Multiple Airlines
Sat, Aug 29 - Sun, Sep 13
SWISS Logo
9:55 am - 4:15 pmKSC  Košice Barca-SFO San Francisco
15h 20m1 stop Zurich
SWISS Logo
7:35 pm - 6:55 pmSFO  San Francisco-KSC Košice Barca
14h 20m1 stop Zurich
$1,003SWISS
Sat, Aug 29 - Sun, Sep 13
SWISS Logo
9:55 am - 4:35 pmKSC  Košice Barca-SFO San Francisco
15h 40m1 stop Zurich
SWISS Logo
7:35 pm - 6:55 pmSFO  San Francisco-KSC Košice Barca
14h 20m1 stop Zurich
$1,007SWISS
Sat, Aug 29 - Sun, Sep 13

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SWISS flights from Košice to San Francisco

Our best SWISS deals on Košice to San Francisco flight tickets
SWISS
Aug 19
KSC2:50 pmKošice Barca
34h 25m
1 stop
SFO4:15 pmSan Francisco
Aug 23
SFO7:35 pmSan Francisco
14h 20m
1 stop
KSC6:55 pmKošice Barca
$645
SWISS
Aug 29
KSC9:55 amKošice Barca
15h 40m
1 stop
SFO4:35 pmSan Francisco
Sep 13
SFO7:35 pmSan Francisco
14h 20m
1 stop
KSC6:55 pmKošice Barca
$1,003
SWISS
Aug 29
KSC9:55 amKošice Barca
15h 40m
1 stop
SFO4:35 pmSan Francisco
Sep 13
SFO7:35 pmSan Francisco
14h 20m
1 stop
KSC6:55 pmKošice Barca
$1,007

Lufthansa flights from Košice to San Francisco

Our best Lufthansa deals on Košice to San Francisco flight tickets
Lufthansa
Aug 21
KSC5:25 amKošice Barca
18h 50m
2 stops
SFO3:15 pmSan Francisco
Aug 25
SFO2:00 pmSan Francisco
24h 20m
2 stops
KSC11:20 pmKošice Barca
$635
Lufthansa
Aug 19
KSC2:45 pmKošice Barca
32h 35m
2 stops
SFO2:20 pmSan Francisco
Aug 23
SFO2:00 pmSan Francisco
24h 20m
2 stops
KSC11:20 pmKošice Barca
$646
Lufthansa
Aug 29
KSC5:25 amKošice Barca
18h 50m
2 stops
SFO3:15 pmSan Francisco
Sep 13
SFO9:05 pmSan Francisco
17h 15m
2 stops
KSC11:20 pmKošice Barca
$1,022

momondo Fare Finder

 
Customize your flight search to find flights from Košice to San Francisco 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, momondo users made 832,500 searches. Data last updated August 7, 2026.
Use the filters below to find and compare flights from Košice to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KošiceSan Francisco

KSC Košice Barca - SFO San Francisco

KSCSFO

Košice Barca

Wed 8/19

2:50 pm-4:15 pm

1 stop34h 25m

San Francisco

Sun 8/23

9:05 pm-11:20 pm

2 stops17h 15m

$614

KošiceSan Francisco

KSC Košice Barca - SFO San Francisco

KSCSFO

Košice Barca

Fri 8/21

5:25 am-3:15 pm

2 stops18h 50m

San Francisco

Tue 8/25

2:00 pm-11:20 pm

2 stops24h 20m

$635

KošiceSan Francisco

KSC Košice Barca - SFO San Francisco

KSCSFO

Košice Barca

Wed 8/19

2:50 pm-4:15 pm

1 stop34h 25m

San Francisco

Sun 8/23

7:35 pm-6:55 pm

1 stop14h 20m

$645

KošiceSan Francisco

KSC Košice Barca - SFO San Francisco

KSCSFO

Košice Barca

Wed 8/19

2:45 pm-2:20 pm

2 stops32h 35m

San Francisco

Sun 8/23

2:00 pm-11:20 pm

2 stops24h 20m

$646

KošiceSan Francisco

KSC Košice Barca - SFO San Francisco

KSCSFO

Košice Barca

Fri 8/21

10:00 am-4:15 pm

1 stop15h 15m

San Francisco

Tue 8/25

2:00 pm-11:20 pm

2 stops24h 20m

$650

KošiceSan Francisco

KSC Košice Barca - SFO San Francisco

KSCSFO

Košice Barca

Sat 8/29

2:45 pm-12:40 pm

2 stops30h 55m

San Francisco

Sun 9/13

7:35 pm-6:55 pm

1 stop14h 20m

$994

KošiceSan Francisco

KSC Košice Barca - SFO San Francisco

KSCSFO

Košice Barca

Sat 8/29

5:25 am-3:15 pm

2 stops18h 50m

San Francisco

Sun 9/13

7:35 pm-6:55 pm

1 stop14h 20m

$997

KošiceSan Francisco

KSC Košice Barca - SFO San Francisco

KSCSFO

Košice Barca

Sat 8/29

2:45 pm-3:15 pm

2 stops33h 30m

San Francisco

Sun 9/13

7:35 pm-6:55 pm

1 stop14h 20m

$998
Quickest round-trip

KošiceSan Francisco

KSC Košice Barca - SFO San Francisco

KSCSFO

Košice Barca

Sat 8/29

9:55 am-4:15 pm

1 stop15h 20m

San Francisco

Sun 9/13

7:35 pm-6:55 pm

1 stop14h 20m

$1,003

KošiceSan Francisco

KSC Košice Barca - SFO San Francisco

KSCSFO

Košice Barca

Sat 8/29

9:55 am-4:35 pm

1 stop15h 40m

San Francisco

Sun 9/13

7:35 pm-6:55 pm

1 stop14h 20m

$1,007

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Košice to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Košice to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Košice to San Francisco (KSC to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Košice to San Francisco

Fastest flight time

15h 45m

Direct flights

None
The fastest flight from Košice to San Francisco takes 15h 45m
There are no direct flights from Košice to San Francisco. There are no popular flight routes from Košice to San Francisco.
Search flight deals

Frequently asked questions about flying from Košice to San Francisco

  • How far is Košice Barca to San Francisco by plane?

    Košice Barca and San Francisco are 6054.7 mi apart from one another. In terms of flight time, this usually takes a little over 15h 45m.

  • When did momondo last update prices for flights from Košice Barca Airport to San Francisco Airport?

    Prices for flights from Košice Barca Airport to San Francisco Airport were last updated today.

  • How many operators does momondo search for flights from Košice Barca Airport to San Francisco Airport?

  • How old do you have to be to fly from Košice Barca Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Košice Barca Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Košice to San Francisco?

Best airlines flying from Košice to San Francisco

Compare and see reviews for airlines that fly from Košice to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $777Free CancellationRating
7.5
2,026 reviews
Search SWISS flights

Frequently asked questions about flying from Košice to San Francisco

  • How do I get Price Alerts for flights from Košice to San Francisco?

    Confirm your travel details to search for the latest offers for flights from Košice to San Francisco. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Košice to San Francisco with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
South San Francisco
Fremont
Berkeley
Hayward
Walnut Creek
Bodega Bay
Roseville
Sonoma
Santa Clara
Vallejo
Salinas
Sunnyvale
Milpitas
Daly City
Burlingame
Turlock
Marina

Why use momondo?

Why should I use momondo to find a flight deal from Košice to San Francisco?

Finding the right flight to San Francisco from Košice is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

Can I find flights from Košice to San Francisco with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Francisco from Košice which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Košice to San Francisco?

Once all potential Košice to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Košice to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Košice and alert you when they change.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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