S$144 Cheap Flights to Treasure Island

View S$144 flight on Tue, 26 May, 2026Opens in a new window

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Cheap round-trip flights to Treasure Island

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 8 May - Sat, 16 May
ONT
Ontario
SFO
San Francisco
S$444 Return, found 2 days ago
S$444
Return
found 2 days ago
Select United flight, departing Fri, 8 May from Ontario to San Francisco, returning Sat, 16 May, priced at S$444 found 2 days ago
American Airlines
Wed, 15 Jul - Tue, 21 Jul
ONT
Ontario
SJC
San Jose
S$482 Return, found 5 days ago
S$482
Return
found 5 days ago
Select American Airlines flight, departing Wed, 15 Jul from Ontario to San Jose, returning Tue, 21 Jul, priced at S$482 found 5 days ago
Delta
Wed, 15 Jul - Mon, 20 Jul
ONT
Ontario
SJC
San Jose
S$564 Return, found 5 days ago
S$564
Return
found 5 days ago
Select Delta flight, departing Wed, 15 Jul from Ontario to San Jose, returning Mon, 20 Jul, priced at S$564 found 5 days ago
ZIPAIR
Thu, 27 Aug - Wed, 2 Sept
NRT
Tokyo
SFO
San Francisco
S$768 Return, found 6 days ago
S$768
Return
found 6 days ago
Select ZIPAIR flight, departing Thu, 27 Aug from Tokyo to San Francisco, returning Wed, 2 Sept, priced at S$768 found 6 days ago
Korean Air
Tue, 15 Sept - Wed, 30 Sept
SIN
Singapore
SFO
San Francisco
S$1,095 Return, found 11 hours ago
S$1,095
Return
found 11 hours ago
Select Korean Air flight, departing Tue, 15 Sept from Singapore to San Francisco, returning Wed, 30 Sept, priced at S$1,095 found 11 hours 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. S$444 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 Ontario (ONT) sold for just S$144 in the last seven days. During this period, the price of a round-trip journey to Treasure Island varied between S$444 and S$1,095. 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 S$444 to S$1,095.
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.

Travel information

Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Return price
S$328

Trending flights to Treasure Island

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 10 Jun - Wed, 12 Aug
SIN
Singapore
SFO
San Francisco
S$956 Return, found 3 days ago
S$956
Return
found 3 days ago
Select United flight, departing Wed, 10 Jun from Singapore to San Francisco, returning Wed, 12 Aug, priced at S$956 found 3 days ago

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