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$420+ Cheap flights from Oakland, CA (OAK) to Singapore (SIN)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SIN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Oakland to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$804
(Delta)

One-way from

$420
(Ovago)

Popular in

December

Cheapest in

October

Average price

$787
From Oakland to Singapore Changi
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One-way flight from Oakland to Singapore Changi
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Highest demand for flights based on searches. 14% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This Delta deal was found by Cheapflights users on 8/14. 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 9/66:00 amOAK - SIN
2 stops32h 00mDelta
Sat 9/201:10 amSIN - OAK
2 stops37h 40mDelta
Deal found 8/14$804
This Delta deal was found by Cheapflights users on 8/14. 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 9/76:00 amOAK - SIN
2 stops46h 55mDelta
Sun 9/2110:30 pmSIN - OAK
2 stops40h 20mDelta
Deal found 8/14$905
This Delta deal was found by Cheapflights users on 8/13. 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 9/86:00 amOAK - SIN
2 stops26h 40mDelta
Thu 9/117:30 amSIN - OAK
2 stops31h 20mDelta
Deal found 8/13$917
This oojo deal was found by Cheapflights users on 8/12. 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 9/99:39 amOAK - SIN
2 stops23h 41mJapan Airlines
Tue 9/168:05 amSIN - OAK
2 stops25h 22mJapan Airlines
Deal found 8/12$929
This Singapore Airlines deal was found by Cheapflights users on 8/14. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/152:49 pmOAK - SIN
1 stop34h 56mMultiple Airlines
Tue 12/29:00 amSIN - OAK
1 stop40h 08mMultiple Airlines
Deal found 8/14$975
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2411:01 amOAK - SIN
2 stops43h 29mMultiple Airlines
Sat 9/2710:50 pmSIN - OAK
2 stops40h 14mMultiple Airlines
Deal found 8/12$980
This Delta deal was found by Cheapflights users on 8/13. 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 9/66:00 amOAK - SIN
2 stops32h 00mDelta
Fri 9/127:30 amSIN - OAK
2 stops31h 20mDelta
Deal found 8/13$981
This oojo deal was found by Cheapflights users on 8/13. 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.
Fri 11/286:15 amOAK - SIN
2 stops25h 55mKorean Air
Fri 12/51:30 amSIN - OAK
2 stops28h 05mKorean Air
Deal found 8/13$990
This oojo deal was found by Cheapflights users on 8/12. 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.
Mon 9/159:39 amOAK - SIN
2 stops23h 41mJapan Airlines
Wed 10/18:05 amSIN - OAK
2 stops25h 22mJapan Airlines
Deal found 8/12$1,053
This oojo deal was found by Cheapflights users on 8/13. 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.
Mon 11/36:30 amOAK - SIN
2 stops26h 20mJapan Airlines
Sun 11/168:15 amSIN - OAK
2 stops21h 40mJapan Airlines
Deal found 8/13$1,056
This oojo deal was found by Cheapflights users on 8/13. 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.
Wed 9/109:39 amOAK - SIN
2 stops23h 41mJapan Airlines
Tue 9/309:50 pmSIN - OAK
2 stops35h 37mJapan Airlines
Deal found 8/13$1,062

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 August 14, 2025.
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

Wed 9/3

6:00 am-11:40 pm

2 stops26h 40m

Singapore Changi

Fri 9/19

7:30 am-11:50 pm

2 stops31h 20m

$804

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Tue 9/9

6:00 am-7:55 pm

2 stops46h 55m

Singapore Changi

Sun 9/14

1:10 am-11:50 pm

2 stops37h 40m

$804

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Mon 9/1

6:00 am-11:40 pm

2 stops26h 40m

Singapore Changi

Sun 9/21

10:30 pm-11:50 pm

2 stops40h 20m

$804

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Fri 9/5

6:00 am-5:00 am

2 stops32h 00m

Singapore Changi

Wed 9/17

7:30 am-11:50 pm

2 stops31h 20m

$804

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Thu 9/18

6:00 am-5:00 am

2 stops32h 00m

Singapore Changi

Tue 9/23

10:30 pm-11:50 pm

2 stops40h 20m

$804

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Thu 9/4

6:00 am-11:40 pm

2 stops26h 40m

Singapore Changi

Sun 9/21

7:30 am-11:50 pm

2 stops31h 20m

$804

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Wed 9/3

6:00 am-11:40 pm

2 stops26h 40m

Singapore Changi

Tue 9/16

10:30 pm-11:50 pm

2 stops40h 20m

$804

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Tue 9/2

6:00 am-5:00 am

2 stops32h 00m

Singapore Changi

Wed 9/17

7:30 am-11:50 pm

2 stops31h 20m

$804

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Fri 9/19

6:00 am-5:00 am

2 stops32h 00m

Singapore Changi

Wed 9/24

10:30 pm-11:50 pm

2 stops40h 20m

$804

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sat 9/6

6:00 am-5:00 am

2 stops32h 00m

Singapore Changi

Sun 9/14

1:10 am-11:50 pm

2 stops37h 40m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 17 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, October is the cheapest month in which you can book a flight from Oakland, California to Singapore (average of $991). Flying from Oakland, California to Singapore in December is currently the most expensive (average of $1,684). 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.

  • 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, October is the cheapest month in which you can book a flight from Oakland, California to Singapore (average of $991). Flying from Oakland, California to Singapore in December is currently the most expensive (average of $1,684). 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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