$272 Cheap Swiss International Air Lines flights Porto (OPO) to Zakynthos (ZTH)

View $272 flight on Fri, Jul 25, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$272 Cheap Swiss International Air Lines flights Porto (OPO) to Zakynthos (ZTH)

Prices were available within the past 7 days and start at $272 for one-way flights and $491 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Swiss International Air Lines
Sat, Jul 5 - Sat, Jul 12
OPO
Porto
ZTH
Zakynthos
$491
Roundtrip
Found 4 days ago
Select Swiss International Air Lines flight, departing Sat, Jul 5 from Porto to Zakynthos, returning Sat, Jul 12, priced at $491 Found 4 days ago
Swiss International Air Lines
Fri, Jul 25 - Fri, Aug 1
OPO
Porto
ZTH
Zakynthos
$498
Roundtrip
Found 6 days ago
Select Swiss International Air Lines flight, departing Fri, Jul 25 from Porto to Zakynthos, returning Fri, Aug 1, priced at $498 Found 6 days ago
Swiss International Air Lines
Sat, Jul 5 - Sat, Jul 12
OPO
Porto
ZTH
Zakynthos
$512
Roundtrip
Found 4 days ago
Select Swiss International Air Lines flight, departing Sat, Jul 5 from Porto to Zakynthos, returning Sat, Jul 12, priced at $512 Found 4 days ago
Swiss International Air Lines
Sat, Jul 5 - Sat, Jul 12
OPO
Porto
ZTH
Zakynthos
$543
Roundtrip
Found 4 days ago
Select Swiss International Air Lines flight, departing Sat, Jul 5 from Porto to Zakynthos, returning Sat, Jul 12, priced at $543 Found 4 days ago
Swiss International Air Lines
Mon, Aug 4 - Sun, Aug 10
OPO
Porto
ZTH
Zakynthos
$555
Roundtrip
Found 4 days ago
Select Swiss International Air Lines flight, departing Mon, Aug 4 from Porto to Zakynthos, returning Sun, Aug 10, priced at $555 Found 4 days ago
Swiss International Air Lines
Sat, Jul 5 - Sat, Jul 12
OPO
Porto
ZTH
Zakynthos
$559
Roundtrip
Found 4 days ago
Select Swiss International Air Lines flight, departing Sat, Jul 5 from Porto to Zakynthos, returning Sat, Jul 12, priced at $559 Found 4 days ago
Flights from Porto (OPO) to Zakynthos (ZTH)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Zakynthos Intl.
Distance
1586 mi

Explore a world of travel with Expedia

*Available to One Key members.