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$426+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SIN
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$794
(oojo)

One-way from

$426
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$759
Provider with most accurate pricing for Oakland-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Oakland-Singapore Changi flights.
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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 ($173 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 October 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 October 16, 2025.

This Korean Air deal was found by Cheapflights users on 10/16. 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.
Mon 11/36:30 amOAK - SIN
2 stops30h 30mKorean Air
Tue 11/181:35 amSIN - OAK
2 stops28h 20mKorean Air
Deal found 10/16$954
This Korean Air deal was found by Cheapflights users on 10/16. 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.
Wed 11/56:30 amOAK - SIN
2 stops30h 30mKorean Air
Wed 11/1910:30 pmSIN - OAK
2 stops31h 25mKorean Air
Deal found 10/16$1,060
This oojo deal was found by Cheapflights users on 10/16. 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 11/116:30 amOAK - SIN
2 stops26h 20mJapan Airlines
Tue 11/188:15 amSIN - OAK
2 stops21h 40mJapan Airlines
Deal found 10/16$1,065
This Korean Air deal was found by Cheapflights users on 10/16. 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.
Mon 11/36:30 amOAK - SIN
2 stops30h 30mKorean Air
Sun 11/161:35 amSIN - OAK
2 stops28h 20mKorean Air
Deal found 10/16$1,160
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:30 amOAK - SIN
2 stops26h 20mAlaska Airlines
Thu 11/68:15 amSIN - OAK
2 stops31h 44mAlaska Airlines
Deal found 10/14$1,165
This Korean Air deal was found by Cheapflights users on 10/15. 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.
Thu 11/66:30 amOAK - SIN
2 stops25h 40mKorean Air
Mon 11/1710:30 pmSIN - OAK
2 stops31h 25mKorean Air
Deal found 10/15$1,180
This Korean Air deal was found by Cheapflights users on 10/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:30 amOAK - SIN
2 stops45h 55mKorean Air
Wed 11/51:35 amSIN - OAK
2 stops28h 20mKorean Air
Deal found 10/14$1,186
This oojo deal was found by Cheapflights users on 10/16. 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 12/32:31 pmOAK - SIN
2 stops29h 34mEVA Air
Thu 12/183:45 pmSIN - OAK
2 stops24h 14mEVA Air
Deal found 10/16$1,205
This Korean Air deal was found by Cheapflights users on 10/16. 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.
Sat 11/86:30 amOAK - SIN
2 stops30h 30mKorean Air
Mon 11/1710:30 pmSIN - OAK
2 stops31h 25mKorean Air
Deal found 10/16$1,255
This oojo deal was found by Cheapflights users on 10/15. 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 11/36:30 amOAK - SIN
2 stops26h 20mJapan Airlines
Tue 11/118:15 amSIN - OAK
2 stops21h 40mJapan Airlines
Deal found 10/15$1,280
This Orbitz deal was found by Cheapflights users on 10/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:40 amOAK - SIN
2 stops35h 45mMultiple Airlines
Tue 10/218:00 pmSIN - OAK
2 stops43h 03mMultiple Airlines
Deal found 10/15$1,333

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 October 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

Fri 3/6

6:30 am-12:10 am

2 stops25h 40m

Singapore Changi

Mon 3/16

10:30 pm-5:43 pm

2 stops34h 13m

$847

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Wed 11/5

6:30 am-5:00 am

2 stops30h 30m

Singapore Changi

Mon 11/17

10:30 pm-1:55 pm

2 stops31h 25m

$954

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 1/25

1:15 pm-12:10 am

2 stops42h 55m

Singapore Changi

Sun 2/1

1:35 am-4:23 pm

2 stops30h 48m

$960

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 1/25

5:05 pm-12:10 am

2 stops39h 05m

Singapore Changi

Mon 2/2

10:30 pm-11:53 pm

2 stops41h 23m

$1,030

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Wed 11/5

6:30 am-5:00 am

2 stops30h 30m

Singapore Changi

Wed 11/19

10:30 pm-1:55 pm

2 stops31h 25m

$1,060

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sat 1/24

8:10 am-12:50 am

2 stops24h 40m

Singapore Changi

Mon 2/2

8:15 am-4:23 pm

2 stops24h 08m

$1,140

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Mon 11/3

6:30 am-5:00 am

2 stops30h 30m

Singapore Changi

Wed 11/19

10:40 am-1:55 pm

2 stops43h 15m

$1,160

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Tue 11/4

6:30 am-12:10 am

2 stops25h 40m

Singapore Changi

Wed 11/19

1:35 am-1:55 pm

2 stops28h 20m

$1,160

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 11/2

5:30 am-11:50 pm

2 stops26h 20m

Singapore Changi

Thu 11/6

8:15 am-11:59 pm

2 stops31h 44m

$1,165

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 11/2

5:30 am-7:25 pm

2 stops45h 55m

Singapore Changi

Tue 11/18

1:35 am-1:55 pm

2 stops28h 20m

$1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 20 results
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Compare providers for flights from Oakland to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oakland to Singapore in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Oakland, California-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oakland, California-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oakland, California-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oakland, California-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oakland, California-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $390). Flying from Oakland, California to Singapore in June is currently the most expensive (average of $770). 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 25h 40m. 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 $390). Flying from Oakland, California to Singapore in June is currently the most expensive (average of $770). 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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