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$381+ Cheap flights from Oakland, CA (OAK) to Singapore

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SIN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Oakland to Singapore

Cheapest flights from Oakland to Singapore
Explore the most affordable flight options available from Oakland to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:55 am
OAK
-
SIN
2 stops26h 15m
Delta
Tue 3/310:40 am
SIN
-
OAK
2 stops29h 11m
Delta
Deal found 1/27$671
This Korean Air deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:15 am
OAK
-
SIN
2 stops25h 55m
Korean Air
Tue 3/310:30 pm
SIN
-
OAK
2 stops34h 07m
Korean Air
Deal found 1/27$827
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:59 pm
OAK
-
SIN
1 stop30h 36m
Singapore Airlines
Sat 5/239:00 am
SIN
-
OAK
1 stop29h 54m
Singapore Airlines
Deal found 1/27$860
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:55 am
OAK
-
SIN
2 stops26h 15m
Delta
Mon 3/210:30 pm
SIN
-
OAK
2 stops41h 21m
Delta
Deal found 1/27$888
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1512:40 pm
OAK
-
SIN
2 stops48h 20m
Delta
Thu 2/261:35 am
SIN
-
OAK
2 stops38h 16m
Delta
Deal found 1/27$895
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/145:55 am
OAK
-
SIN
2 stops46h 30m
Delta
Tue 3/310:40 am
SIN
-
OAK
2 stops29h 11m
Delta
Deal found 1/27$915
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/134:59 pm
OAK
-
SIN
2 stops59h 26m
Delta
Tue 3/310:40 am
SIN
-
OAK
2 stops29h 11m
Delta
Deal found 1/27$922
This Korean Air deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:15 am
OAK
-
SIN
2 stops25h 55m
Korean Air
Wed 3/41:35 am
SIN
-
OAK
2 stops31h 02m
Korean Air
Deal found 1/26$944
This Korean Air deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:15 am
OAK
-
SIN
2 stops46h 10m
Korean Air
Wed 3/41:35 am
SIN
-
OAK
2 stops31h 02m
Korean Air
Deal found 1/27$945
This oojo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:28 am
OAK
-
SIN
2 stops23h 52m
Japan Airlines
Tue 9/158:05 am
SIN
-
OAK
2 stops25h 28m
Japan Airlines
Deal found 1/28$1,006
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:55 am
OAK
-
SIN
2 stops26h 15m
Delta
Sun 3/110:40 am
SIN
-
OAK
2 stops29h 11m
Delta
Deal found 1/27$1,015
This Korean Air deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:15 am
OAK
-
SIN
2 stops30h 45m
Korean Air
Tue 2/2410:30 pm
SIN
-
OAK
2 stops34h 07m
Korean Air
Deal found 1/28$1,044

Find flight deals from Oakland to Singapore

Keep the following information in mind while searching for Oakland to Singapore flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$671
(Delta)

One-way from

$381
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$764
Provider with most accurate pricing for San Francisco-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Singapore Changi flights.
Search Deals
From Oakland to Singapore
Search Deals
One-way flight from Oakland to Singapore
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Oakland to Singapore that are best for you.

Fly from

Oakland

Fly to

Singapore

Route

Depart

Return

Price

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Tue 2/17

6:15 am-8:25 pm

2 stops46h 10m

Singapore Changi

Tue 3/3

10:30 pm-4:37 pm

2 stops34h 07m

$827

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 2/15

6:15 am-12:10 am

2 stops25h 55m

Singapore Changi

Tue 3/3

10:30 pm-4:37 pm

2 stops34h 07m

$827

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Wed 2/18

6:15 am-5:00 am

2 stops30h 45m

Singapore Changi

Tue 3/3

10:30 pm-4:37 pm

2 stops34h 07m

$827

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Mon 2/16

5:55 am-12:10 am

2 stops26h 15m

Singapore Changi

Mon 3/2

10:30 pm-11:51 pm

2 stops41h 21m

$888

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Fri 2/13

4:59 pm-8:25 pm

2 stops59h 26m

Singapore Changi

Tue 3/3

10:40 am-11:51 pm

2 stops29h 11m

$922

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Mon 2/16

5:55 am-12:10 am

2 stops26h 15m

Singapore Changi

Sun 3/1

10:40 am-11:51 pm

2 stops29h 11m

$1,015

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 2/15

6:15 am-5:00 am

2 stops30h 45m

Singapore Changi

Tue 2/24

10:30 pm-4:37 pm

2 stops34h 07m

$1,044

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 2/15

6:15 am-1:05 pm

2 stops38h 50m

Singapore Changi

Mon 2/23

2:00 am-10:49 pm

2 stops36h 49m

$1,059

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Wed 4/15

6:40 pm-11:55 am

2 stops26h 15m

Singapore Changi

Mon 6/15

3:20 pm-9:36 am

2 stops33h 16m

$1,095

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Tue 2/24

5:31 pm-12:05 pm

2 stops26h 34m

Singapore Changi

Tue 3/3

3:45 pm-10:49 pm

2 stops23h 04m

$1,095

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 21 results
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Best time to book a flight from Oakland to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Oakland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oakland to Singapore

What is the cheapest month to book a flight from Oakland, California to Singapore?

Currently, February is the cheapest month in which you can book a flight from Oakland, California to Singapore (average of $389). Flying from Oakland, California to Singapore in June is currently the most expensive (average of $760). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Oakland to Singapore?

    Oakland (OAK), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Oakland to Singapore.

  • How long is the flight from Oakland, California to Singapore?

    Departing from Oakland, California to Singapore will take you 25h 55m. Airlines will cover a distance of 8437 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Oakland to Singapore that include hotel bookings?

    Yes. In addition to deals on Oakland to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Singapore.

  • Can I find deals for business class flights from Oakland to Singapore?

    Yes. Cheapflights offers flight deals from Oakland to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oakland, California to Singapore?

    Currently, February is the cheapest month in which you can book a flight from Oakland, California to Singapore (average of $389). Flying from Oakland, California to Singapore in June is currently the most expensive (average of $760). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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