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Flights from San Francisco to Kos
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Latest Flight Deals from San Francisco to Kos

Book one-way or return flights from San Francisco to Kos from as little as NZD 1,660. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • SFO19:40
        32h 45m
        1 stop
        KGS14:25
        Fri, May 24|San Francisco - Kos|Swiss Airlines
        NZD 1,660NZD 2,684
        38% OFF
        38% OFF
        NZD 2,684NZD 1,660
      • SFO17:45
        18h 25m
        1 stop
        KGS22:10
        Fri, May 24|San Francisco - Kos|Aer Lingus
        NZD 2,228NZD 2,684
        17% OFF
        17% OFF
        NZD 2,684NZD 2,228
      • SFO13:00
        3h 5m
        Direct
        KGS14:00
        Sun, May 12|San Francisco - Kos|Swiss Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from San Francisco to Kos? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from San Francisco to Kos. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from San Francisco to Kos

View airlines operating flights from San Francisco to Kos. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Swiss Airlines
From NZD 1,660
United Airlines
From NZD 1,729
Brussels Airlines
From NZD 1,744
Aer Lingus
From NZD 2,228
Air France
From NZD 2,451
Lufthansa
From NZD 2,643
Delta Air Lines
From NZD 4,073
ANA airlines

Find more flights and airlines

Alternative Routes from San Francisco to Kos

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from San Francisco to Kos.

  • Cheapest
    Swiss Airlines
    SFO
    19:40
    32h 45m
    1 transfer
    KGS
    14:25
    San Francisco International Airport - Kos Airport
    Fri, May 24Swiss Airlines
    NZD 1,660
  • Swiss Airlines
    SFO
    19:40
    32h 45m
    1 transfer
    KGS
    14:25
    San Francisco International Airport - Kos Airport
    Fri, May 24Swiss Airlines
    NZD 1,660
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from San Francisco (SFO) to Kos (KGS) the cheapest?

    Airlines adjust prices for flights from San Francisco to Kos based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from San Francisco (SFO) to Kos (KGS) cost?

    According to Trip.com's data, the lowest price is around NZD 3,820.

  • What is the transportation method from the main airport to downtown in Kos?

    • The distance from Kos Airport to downtown is about 1km. It takes about 20 minutes by taxi.

How to find a cheap flight from San Francisco to Kos

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Francisco to Kos. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from San Francisco to Kos

Cheapest nonstop flight price

NZD 1,660

Off-season for travel

February

Peak season for travel

May

Flight distance

11,166.12km

Popular airline

Air France

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