Swiss International Air Lines Flight 1820 Deals & Information (2025/2026)

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Swiss International Air Lines Flight 1820 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $121 and $70 for one-way flights to Eleftherios Venizelos for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 3 - Tue, Jun 10
GVA
Cointrin Intl.
ATH
Eleftherios Venizelos
$121 Roundtrip, found 3 days ago
$121
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Tue, Jun 3 from Cointrin Intl. to Eleftherios Venizelos, returning Tue, Jun 10, priced at $121 found 3 days ago
Thu, Aug 28 - Thu, Sep 4
GVA
Cointrin Intl.
ATH
Eleftherios Venizelos
$132 Roundtrip, found 2 days ago
$132
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, Aug 28 from Cointrin Intl. to Eleftherios Venizelos, returning Thu, Sep 4, priced at $132 found 2 days ago
Thu, May 15 - Sat, May 17
GVA
Cointrin Intl.
ATH
Eleftherios Venizelos
$133 Roundtrip, found 2 days ago
$133
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, May 15 from Cointrin Intl. to Eleftherios Venizelos, returning Sat, May 17, priced at $133 found 2 days ago
Wed, Aug 27 - Fri, Sep 12
GVA
Cointrin Intl.
ATH
Eleftherios Venizelos
$138 Roundtrip, found 5 days ago
$138
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, Aug 27 from Cointrin Intl. to Eleftherios Venizelos, returning Fri, Sep 12, priced at $138 found 5 days ago
Sat, May 24 - Wed, May 28
GVA
Cointrin Intl.
ATH
Eleftherios Venizelos
$142 Roundtrip, found 5 hours ago
$142
Roundtrip
found 5 hours ago
Select Swiss International Air Lines flight, departing Sat, May 24 from Cointrin Intl. to Eleftherios Venizelos, returning Wed, May 28, priced at $142 found 5 hours ago
Sat, May 24 - Wed, May 28
GVA
Cointrin Intl.
ATH
Eleftherios Venizelos
$144 Roundtrip, found 5 hours ago
$144
Roundtrip
found 5 hours ago
Select Swiss International Air Lines flight, departing Sat, May 24 from Cointrin Intl. to Eleftherios Venizelos, returning Wed, May 28, priced at $144 found 5 hours ago
Mon, May 19 - Fri, May 23
GVA
Cointrin Intl.
ATH
Eleftherios Venizelos
$149 Roundtrip, found 4 days ago
$149
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Mon, May 19 from Cointrin Intl. to Eleftherios Venizelos, returning Fri, May 23, priced at $149 found 4 days ago