Flights to Treasure Island, San Francisco from NT$4,613

View NT$2,017 flight on Sat, 2025/9/20Opens in a new window

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How much is the cheapest flight to Treasure Island?

Prices were available within the past 7 days and start at NT$2,017 for one-way flights and NT$4,613 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 27 - Tue, Oct 7
ONT
Ontario
SFO
San Francisco
NT$4,613 Roundtrip, found 2 days ago
NT$4,613
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 27 from Ontario to San Francisco, returning Tue, Oct 7, priced at NT$4,613 found 2 days ago
Delta
Mon, Oct 27 - Mon, Jan 26
MIA
Miami
SFO
San Francisco
NT$8,166 Roundtrip, found 5 days ago
NT$8,166
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Oct 27 from Miami to San Francisco, returning Mon, Jan 26, priced at NT$8,166 found 5 days ago
Hawaiian Airlines
Tue, Sep 23 - Wed, Oct 8
ONT
Ontario
OAK
Oakland
NT$10,389 Roundtrip, found 21 hours ago
NT$10,389
Roundtrip
found 21 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 23 from Ontario to Oakland, returning Wed, Oct 8, priced at NT$10,389 found 21 hours ago
American Airlines
Mon, Oct 27 - Mon, Jan 26
MIA
Miami
SFO
San Francisco
NT$10,938 Roundtrip, found 5 days ago
NT$10,938
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Oct 27 from Miami to San Francisco, returning Mon, Jan 26, priced at NT$10,938 found 5 days ago
Alaska Airlines
Sat, Sep 27 - Mon, Oct 13
ONT
Ontario
OAK
Oakland
NT$15,869 Roundtrip, found 21 hours ago
NT$15,869
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Ontario to Oakland, returning Mon, Oct 13, priced at NT$15,869 found 21 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. NT$4,613 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 NT$2,017 in the last seven days. During this period, the price of a round-trip journey to Treasure Island varied between NT$4,613 and NT$15,869. 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 travelers 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 NT$4,613 to NT$15,869.
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
Roundtrip price
NT$4,613
*Available to Expedia members.