Cheap Flights to Treasure Island from HK$2,507

View HK$2,507 flight on Mon, 26 Jan 2026Opens in a new window

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Cheap round-trip flights to Treasure Island

Prices were available within the past 7 days and start at HK$2,507 for one-way flights and HK$3,738 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Tue, 23 Dec - Tue, 13 Jan
ICN
Seoul
SFO
San Francisco
HK$3,738 Return, found 23 hours ago
HK$3,738
Return
found 23 hours ago
Select Asiana Airlines flight, departing Tue, 23 Dec from Seoul to San Francisco, returning Tue, 13 Jan, priced at HK$3,738 found 23 hours ago
Alaska Airlines
Mon, 22 Dec - Thu, 1 Jan
ICN
Seoul
SFO
San Francisco
HK$3,751 Return, found 6 days ago
HK$3,751
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 22 Dec from Seoul to San Francisco, returning Thu, 1 Jan, priced at HK$3,751 found 6 days ago
Hawaiian Airlines
Sun, 21 Dec - Thu, 1 Jan
ICN
Seoul
SFO
San Francisco
HK$3,751 Return, found 6 days ago
HK$3,751
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Sun, 21 Dec from Seoul to San Francisco, returning Thu, 1 Jan, priced at HK$3,751 found 6 days ago
American Airlines
Wed, 18 Feb - Sun, 22 Feb
ICN
Seoul
SFO
San Francisco
HK$3,849 Return, found 1 day ago
HK$3,849
Return
found 1 day ago
Select American Airlines flight, departing Wed, 18 Feb from Seoul to San Francisco, returning Sun, 22 Feb, priced at HK$3,849 found 1 day ago
United
Wed, 24 Dec - Sat, 3 Jan
ICN
Seoul
SFO
San Francisco
HK$3,883 Return, found 5 days ago
HK$3,883
Return
found 5 days ago
Select United flight, departing Wed, 24 Dec from Seoul to San Francisco, returning Sat, 3 Jan, priced at HK$3,883 found 5 days ago

Frequently asked questions

How do I find cheap flights to Treasure Island that have flexible change policies?
We know that travel arrangements can change in the blink of an eye, so booking a flexible ticket with Expedia is a wise idea. Just check the "No change fee" box directly under the "Flexible change policies" filter. Your low-cost, flexible flight to Treasure Island is just a few clicks away.
Which airlines fly to Treasure Island?
Choose a seat with one of these airlines and dynamic Treasure Island will be yours to explore:

  • United Airlines - 5,914 flights to or near Treasure Island each month, including 5,914 flights to San Francisco Intl. Airport (SFO) per month.
  • Southwest Airlines - 2,808 flights to or near Treasure Island each month, including 2,314 flights to Oakland Intl. Airport (OAK) per month.
  • Alaska Airlines - 2,518 flights to or near Treasure Island each month, including 2,349 flights to San Francisco Intl. Airport (SFO) per month.

How can I find cheap tickets to Treasure Island?
You'll always get an amazing deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred flight date, then tick the flexible dates box above to compare prices for nearby days. HK$3,738 was the lowest price for a flight to Treasure Island in the last seven days.
How much is a flight to Treasure Island?
One-way flights taking off from Seoul (ICN) sold for just HK$2,507 in the last seven days. During this period, the price of a round-trip journey to Treasure Island varied between HK$3,738 and HK$4,983. If you spot a deal, book as fast as you can — these prices don't wait around for long.
What are the most popular airports to fly into in Treasure Island?
Choosing the right airport comes down to factors such as your airline, budget and where you plan to explore. These are your two options in Treasure Island:

  • San Francisco Intl. Airport (SFO) - 11,935 flights per month.
  • Oakland Intl. Airport (OAK) - 3,086 flights per month.

When is the cheapest time to fly to Treasure Island?
Consider jetting off earlier in the week to book a bargain airfare to Treasure Island. Tuesday is usually the cheapest day to depart, with Monday right behind it. Saturday typically has the most expensive fares. This is because a lot of travellers like to kick off their break on a weekend.
How much is a plane ticket to Treasure Island?
In the last seven days, plane tickets to Treasure Island ranged from HK$3,738 to HK$4,983.
What months are the cheapest to book a flight to Treasure Island?
An excellent month to purchase low-cost airfares to Treasure Island is February. Bear in mind that in the U.S, an expensive time to reserve a ticket is during the month of December.
Flights to Treasure Island information
Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Return price
HK$3,738

Trending flights to Treasure Island

Prices were available within the past 7 days and start at HK$2,507 for one-way flights and HK$3,738 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Wed, 21 Jan - Thu, 5 Feb
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,983 Return, just found
HK$4,983
Return
just found
Select China Airlines flight, departing Wed, 21 Jan from Hong Kong SAR to San Francisco, returning Thu, 5 Feb, priced at HK$4,983 just found
*Available to Expedia members.