Cheap Flights to St. Marys from HK$3,369

View HK$3,369 flight on Sun, 5 Jul 2026Opens in a new window

Flight 1

Popular airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to St. Marys

Prices were available within the past 7 days and start at HK$3,369 for one-way flights and HK$3,607 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Sun, 5 Jul - Wed, 8 Jul
GVA
Geneva
NQY
Newquay
HK$3,607 Return, found 1 day ago
HK$3,607
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, 5 Jul from Geneva to Newquay, returning Wed, 8 Jul, priced at HK$3,607 found 1 day ago
Swiss International Air Lines
Sun, 5 Jul - Wed, 8 Jul
GVA
Geneva
NQY
Newquay
HK$3,967 Return, found 1 day ago
HK$3,967
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, 5 Jul from Geneva to Newquay, returning Wed, 8 Jul, priced at HK$3,967 found 1 day ago
Swiss International Air Lines
Sun, 5 Jul - Wed, 8 Jul
GVA
Geneva
NQY
Newquay
HK$4,347 Return, found 1 day ago
HK$4,347
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, 5 Jul from Geneva to Newquay, returning Wed, 8 Jul, priced at HK$4,347 found 1 day ago
Aer Lingus
Sun, 5 Jul - Wed, 8 Jul
GVA
Geneva
NQY
Newquay
HK$5,815 Return, found 1 day ago
HK$5,815
Return
found 1 day ago
Select Aer Lingus flight, departing Sun, 5 Jul from Geneva to Newquay, returning Wed, 8 Jul, priced at HK$5,815 found 1 day ago
Air France
Sun, 5 Jul - Wed, 8 Jul
GVA
Geneva
NQY
Newquay
HK$15,280 Return, found 1 day ago
HK$15,280
Return
found 1 day ago
Select Air France flight, departing Sun, 5 Jul from Geneva to Newquay, returning Wed, 8 Jul, priced at HK$15,280 found 1 day ago

Frequently asked questions

How do I find cheap flights to St. Marys that have flexible change policies?
Search for cheap flights to St. Marys, then select "No change fee" directly under the "Flexible change policies" heading. From then on it's smooth sailing. We understand that plans can change and flexibility is important, so book with confidence with Expedia.
How can I find cheap tickets to St. Marys?
A great strategy for finding cheap fares is to be flexible with your travel dates. Start by searching for your flight to St. Marys, then click on the "flexible dates" box for a list of prices for nearby days. Another good tip? Book well ahead. For an idea of costs, HK$3,607 was the best price for a flight to St. Marys in the last seven days.
How much is a flight to St. Marys?
In the last seven days, return tickets to St. Marys sold from just HK$3,607 and reached a maximum price of HK$15,280. For one-way journeys departing from Geneva (GVA), the cheapest seat during this same period was just HK$3,369.
When is the cheapest time to fly to St. Marys?
Flying on a Tuesday, followed by a Monday, is usually the best way to nab the cheapest fare. Avoid the weekends if you can, because Saturday is typically the most expensive day. Spend the cash you saved enjoying yourself in St. Marys instead!
How much is a plane ticket to St. Marys?
Seats ranged from HK$3,607 to HK$15,280 in the last seven days. When you're ready to book, we're here to help land the best price to St. Marys.
What months are the cheapest to book a flight to St. Marys?
February is the best month to reserve a seat for your St. Marys holiday. Fares are priciest during December, so keep clear of this time if possible.

Travel information

Destination airport
Newquay Cornwall
Destination airport IATA code
NQY
Destination city name
Newquay
Return price
HK$3,607
*Available to Expedia members.