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$729+ Cheap flights from Athens (ATH) to San Jose (SJC)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — SJC
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Athens to San Jose

Discover tips and strategies to find the most affordable flight options for your journey from Athens (ATH) to San Jose (SJC). 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 August 20, 2025.

Round-trip from

$826
(United Airlines)

One-way from

$784
(oojo)
From Athens Eleftherios V. to San Jose
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One-way flight from Athens Eleftherios V. to San Jose
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Find flight deals from Athens to San Jose

Cheapest flights from Athens to San Jose
Explore the most affordable flight options available from Athens to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:45 amATH - SJC
1 stop38h 26mMultiple Airlines
Tue 9/24:41 pmSJC - ATH
2 stops42h 19mMultiple Airlines
Deal found 8/20$729
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 9/46:45 amATH - SJC
2 stops24h 33mUnited Airlines
Mon 9/812:30 pmSJC - ATH
2 stops33h 40mUnited Airlines
Deal found 8/19$826
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 8/2512:35 pmATH - SJC
1 stop20h 05mUnited Airlines
Mon 9/16:30 amSJC - ATH
1 stop18h 00mUnited Airlines
Deal found 8/18$839
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:25 amATH - SJC
2 stops23h 10mAmerican Airlines
Tue 9/96:00 amSJC - ATH
2 stops19h 10mAmerican Airlines
Deal found 8/20$845
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:00 amATH - SJC
2 stops21h 04mDelta
Tue 9/27:00 amSJC - ATH
2 stops24h 05mDelta
Deal found 8/20$853
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:10 amATH - SJC
1 stop23h 40mDelta
Tue 9/91:20 pmSJC - ATH
2 stops17h 45mDelta
Deal found 8/20$855
This oojo deal was found by Cheapflights users on 8/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:35 pmATH - SJC
2 stops37h 52mLufthansa
Tue 1/612:45 pmSJC - ATH
2 stops17h 50mLufthansa
Deal found 8/19$919

Cheapflights Fare Finder

 
Customize your flight search to find flights from Athens to San Jose 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 August 20, 2025.
Use the filters below to find and compare flights from Athens to San Jose that are best for you.

Fly from

Athens

Fly to

San Jose

Route

Depart

Return

Price

AthensSan Jose

ATH - SJC

ATHSJC

Athens Eleftherios V.

Thu 9/4

6:45 am-9:18 pm

2 stops24h 33m

San Jose

Mon 9/8

12:30 pm-8:10 am

2 stops33h 40m

$826

AthensSan Jose

ATH - SJC

ATHSJC

Athens Eleftherios V.

Fri 9/5

5:25 am-6:35 pm

2 stops23h 10m

San Jose

Tue 9/9

6:00 am-11:10 am

2 stops19h 10m

$845

AthensSan Jose

ATH - SJC

ATHSJC

Athens Eleftherios V.

Fri 9/5

9:10 am-10:50 pm

1 stop23h 40m

San Jose

Tue 9/9

1:20 pm-5:05 pm

2 stops17h 45m

$855

AthensSan Jose

ATH - SJC

ATHSJC

Athens Eleftherios V.

Tue 12/2

5:35 pm-9:27 pm

2 stops37h 52m

San Jose

Tue 1/6

12:45 pm-4:35 pm

2 stops17h 50m

$919

AthensSan Jose

ATH - SJC

ATHSJC

Athens Eleftherios V.

Thu 9/4

12:10 pm-10:50 pm

1 stop20h 40m

San Jose

Sat 9/20

6:35 am-10:00 am

1 stop17h 25m

$925

AthensSan Jose

ATH - SJC

ATHSJC

Athens Eleftherios V.

Sun 12/21

2:35 pm-4:16 pm

2 stops35h 41m

San Jose

Sat 1/3

6:50 am-1:35 pm

2 stops20h 45m

$1,077

AthensSan Jose

ATH - SJC

ATHSJC

Athens Eleftherios V.

Fri 9/5

1:10 pm-9:51 am

3 stops30h 41m

San Jose

Tue 9/9

3:45 pm-11:10 am

2 stops33h 25m

$1,082

AthensSan Jose

ATH - SJC

ATHSJC

Athens Eleftherios V.

Thu 9/18

10:30 am-7:49 pm

1 stop19h 19m

San Jose

Thu 9/25

6:35 am-10:00 am

1 stop17h 25m

$1,104

AthensSan Jose

ATH - SJC

ATHSJC

Athens Eleftherios V.

Thu 9/4

2:00 pm-3:21 pm

3 stops35h 21m

San Jose

Mon 9/8

6:35 am-7:10 pm

3 stops26h 35m

$1,266

AthensSan Jose

ATH - SJC

ATHSJC

Athens Eleftherios V.

Tue 10/14

3:40 pm-9:42 pm

2 stops40h 02m

$784

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 20 results
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Best time to book a flight from Athens to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Athens 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 Athens to San Jose

What is the cheapest month to book a flight from Athens to San Jose?

Currently, September is the cheapest month in which you can book a flight from Athens to San Jose (average of $255). Flying from Athens to San Jose in June is currently the most expensive (average of $359). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Athens to San Jose. 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 Athens to San Jose?

    Airlines like United Airlines, American Airlines, and Delta fly from Athens to San Jose in about 23h 10m. The time it takes to get you to your destination can typically vary by up to 1h 23m. Airlines will cover a distance of 6793 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Athens to San Jose that include hotel bookings?

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

  • How can I find direct flights from Athens to San Jose?

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

  • Can I find deals for business class flights from Athens to San Jose?

    Yes. Cheapflights offers flight deals from Athens to San Jose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Athens to San Jose?

    Currently, September is the cheapest month in which you can book a flight from Athens to San Jose (average of $255). Flying from Athens to San Jose in June is currently the most expensive (average of $359). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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