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$377+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SIN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$816
(oojo)

One-way from

$377
(Delta)

Popular in

December

Cheapest in

September

Average price

$756
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. 15% potential increase in price ($168 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 September 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 September 16, 2025.

This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:40 amOAK - SIN
2 stops26h 00mKorean Air
Mon 10/271:35 amSIN - OAK
2 stops27h 20mKorean Air
Deal found 9/14$826
This Delta deal was found by Cheapflights users on 9/15. 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 11/245:45 amOAK - SIN
2 stops31h 15mDelta
Thu 12/2510:30 pmSIN - OAK
2 stops41h 28mDelta
Deal found 9/15$870
This Delta deal was found by Cheapflights users on 9/15. 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 11/234:51 pmOAK - SIN
2 stops44h 09mDelta
Thu 12/2510:30 pmSIN - OAK
2 stops41h 28mDelta
Deal found 9/15$876
This Delta deal was found by Cheapflights users on 9/15. 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 11/245:45 amOAK - SIN
2 stops31h 15mDelta
Tue 12/2310:40 amSIN - OAK
2 stops29h 18mDelta
Deal found 9/15$882
This Delta deal was found by Cheapflights users on 9/15. 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 11/234:51 pmOAK - SIN
2 stops44h 09mDelta
Tue 12/2310:40 amSIN - OAK
2 stops29h 18mDelta
Deal found 9/15$888
This Delta deal was found by Cheapflights users on 9/15. 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 11/245:45 amOAK - SIN
2 stops31h 15mDelta
Fri 12/2610:40 amSIN - OAK
2 stops29h 18mDelta
Deal found 9/15$946
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:30 amOAK - SIN
2 stops26h 20mJapan Airlines
Wed 11/198:15 amSIN - OAK
2 stops21h 40mJapan Airlines
Deal found 9/14$947
This Delta deal was found by Cheapflights users on 9/15. 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 11/234:51 pmOAK - SIN
2 stops44h 09mDelta
Fri 12/2610:40 amSIN - OAK
2 stops29h 18mDelta
Deal found 9/15$952
This Korean Air deal was found by Cheapflights users on 9/15. 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 11/186:30 amOAK - SIN
2 stops25h 40mKorean Air
Wed 12/241:35 amSIN - OAK
2 stops28h 32mKorean Air
Deal found 9/15$1,048
This oojo deal was found by Cheapflights users on 9/15. 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 11/106:30 amOAK - SIN
2 stops26h 20mJapan Airlines
Sun 11/238:15 amSIN - OAK
2 stops21h 31mJapan Airlines
Deal found 9/15$1,110
This Travelocity deal was found by Cheapflights users on 9/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:05 pmOAK - SIN
2 stops25h 30mMultiple Airlines
Mon 11/32:00 amSIN - OAK
2 stops37h 59mMultiple Airlines
Deal found 9/15$1,111

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 September 16, 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

Tue 2/3

6:30 am-12:50 am

2 stops26h 20m

Singapore Changi

Tue 2/24

8:15 am-5:43 pm

2 stops25h 28m

$816

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 10/19

6:40 am-11:40 pm

2 stops26h 00m

Singapore Changi

Mon 10/27

1:35 am-1:55 pm

2 stops27h 20m

$1,122

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sat 10/18

6:40 am-11:40 pm

2 stops26h 00m

Singapore Changi

Mon 10/27

1:35 am-1:55 pm

2 stops27h 20m

$1,222

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Mon 2/16

6:30 am-8:45 am

2 stops34h 15m

Singapore Changi

Thu 2/26

3:15 am-11:38 pm

2 stops36h 23m

$1,296

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Wed 10/15

6:40 am-11:40 pm

2 stops26h 00m

Singapore Changi

Tue 11/4

10:40 am-1:55 pm

2 stops43h 15m

$1,311

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Mon 2/23

6:30 am-2:55 pm

2 stops40h 25m

Singapore Changi

Sat 2/28

3:15 am-5:43 pm

2 stops30h 28m

$1,333

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Wed 10/15

6:40 am-3:45 pm

2 stops42h 05m

Singapore Changi

Sun 11/2

3:15 am-11:59 pm

2 stops36h 44m

$1,354

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Thu 10/16

6:40 am-9:00 am

2 stops35h 20m

Singapore Changi

Wed 11/5

3:15 am-11:59 pm

2 stops36h 44m

$1,354

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sat 10/11

6:40 am-9:00 am

2 stops35h 20m

Singapore Changi

Wed 11/5

3:15 am-11:59 pm

2 stops36h 44m

$1,394

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sat 2/14

6:35 pm-8:45 am

2 stops46h 10m

Singapore Changi

Sat 2/21

3:15 am-5:43 pm

2 stops30h 28m

$1,419

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 23 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 $1,002). Flying from Oakland, California to Singapore in December is currently the most expensive (average of $1,665). 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.

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

    Departing from Oakland, California to Singapore will take you 26h. 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.

  • What are the cheapest airlines to fly from Oakland, California to Singapore one-way?

    One-way options have recently been found by users for as low as $377 on Delta. Other airlines that offer cheap prices include Japan Airlines from $424 and Korean Air from $460 one-way.

  • 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 $1,002). Flying from Oakland, California to Singapore in December is currently the most expensive (average of $1,665). 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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