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$419+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SIN
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
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 January 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$671
(Delta)

One-way from

$419
(Gurufare)

Popular in

December

Cheapest in

September

Average price

$779
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. 11% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 14, 2026.

This Delta deal was found by Cheapflights users on 1/13. 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.
Sun 3/295:55 am
OAK
-
SIN
2 stops32h 05m
Delta
Tue 4/77:30 am
SIN
-
OAK
2 stops31h 16m
Delta
Deal found 1/13$671
This Delta deal was found by Cheapflights users on 1/13. 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 3/285:55 pm
OAK
-
SIN
2 stops44h 05m
Delta
Tue 4/77:30 am
SIN
-
OAK
2 stops31h 16m
Delta
Deal found 1/13$677
This oojo deal was found by Cheapflights users on 1/13. 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 2/276:15 am
OAK
-
SIN
2 stops30h 45m
Korean Air
Fri 3/610:40 am
SIN
-
OAK
2 stops45h 57m
Korean Air
Deal found 1/13$758
This Delta deal was found by Cheapflights users on 1/13. 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.
Sun 3/295:55 am
OAK
-
SIN
2 stops32h 05m
Delta
Mon 4/67:30 am
SIN
-
OAK
2 stops31h 16m
Delta
Deal found 1/13$789
This Delta deal was found by Cheapflights users on 1/13. 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 3/285:55 pm
OAK
-
SIN
2 stops44h 05m
Delta
Mon 4/67:30 am
SIN
-
OAK
2 stops31h 16m
Delta
Deal found 1/13$795
This oojo deal was found by Cheapflights users on 1/13. 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 1/148:10 am
OAK
-
SIN
2 stops24h 40m
Japan Airlines
Wed 1/218:15 am
SIN
-
OAK
2 stops24h 08m
Japan Airlines
Deal found 1/13$806
This Trip.com deal was found by Cheapflights users on 1/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:31 pm
OAK
-
SIN
1 stop32h 14m
Multiple Airlines
Fri 3/69:00 am
SIN
-
OAK
1 stop30h 54m
Multiple Airlines
Deal found 1/13$884
This Delta deal was found by Cheapflights users on 1/13. 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.
Sun 3/295:55 am
OAK
-
SIN
2 stops32h 05m
Delta
Sun 4/510:30 pm
SIN
-
OAK
2 stops40h 16m
Delta
Deal found 1/13$888
This Delta deal was found by Cheapflights users on 1/13. 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 3/285:55 pm
OAK
-
SIN
2 stops44h 05m
Delta
Sun 4/510:30 pm
SIN
-
OAK
2 stops40h 16m
Delta
Deal found 1/13$894
This oojo deal was found by Cheapflights users on 1/13. 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.
Tue 1/208:10 am
OAK
-
SIN
2 stops24h 40m
Japan Airlines
Tue 1/278:15 am
SIN
-
OAK
2 stops24h 08m
Japan Airlines
Deal found 1/13$925
This oojo deal was found by Cheapflights users on 1/13. 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 1/148:10 am
OAK
-
SIN
2 stops24h 40m
Japan Airlines
Fri 1/238:15 am
SIN
-
OAK
2 stops24h 08m
Japan Airlines
Deal found 1/13$926
This oojo deal was found by Cheapflights users on 1/14. 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 2/48:10 am
OAK
-
SIN
2 stops24h 40m
Japan Airlines
Tue 2/102:20 am
SIN
-
OAK
2 stops30h 03m
Japan Airlines
Deal found 1/14$935

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 14, 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

Mon 3/30

5:55 am-5:00 am

2 stops32h 05m

Singapore Changi

Tue 4/7

7:30 am-11:46 pm

2 stops31h 16m

$671

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 3/29

5:55 am-5:00 am

2 stops32h 05m

Singapore Changi

Tue 4/7

7:30 am-11:46 pm

2 stops31h 16m

$671

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 3/29

5:55 am-5:00 am

2 stops32h 05m

Singapore Changi

Mon 4/6

7:30 am-11:46 pm

2 stops31h 16m

$789

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sat 3/28

5:55 pm-5:00 am

2 stops44h 05m

Singapore Changi

Mon 4/6

7:30 am-11:46 pm

2 stops31h 16m

$795

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Fri 2/27

5:31 pm-5:45 pm

1 stop32h 14m

Singapore Changi

Fri 3/6

9:00 am-11:54 pm

1 stop30h 54m

$884

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Mon 3/30

5:55 am-11:40 pm

2 stops26h 45m

Singapore Changi

Sun 4/5

10:30 pm-11:46 pm

2 stops40h 16m

$888

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sat 3/28

5:55 pm-5:00 am

2 stops44h 05m

Singapore Changi

Sun 4/5

10:30 pm-11:46 pm

2 stops40h 16m

$894

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Sun 2/1

8:10 am-12:50 am

2 stops24h 40m

Singapore Changi

Thu 2/5

8:15 am-4:23 pm

2 stops24h 08m

$1,062

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Wed 4/15

6:40 pm-12:00 pm

2 stops26h 20m

Singapore Changi

Mon 6/15

1:10 pm-9:36 am

2 stops35h 26m

$1,094

OaklandSingapore

OAK - SIN

OAKSIN

Oakland

Tue 2/3

11:43 am-12:05 pm

2 stops32h 22m

Singapore Changi

Thu 2/19

3:45 pm-10:49 pm

2 stops23h 04m

$1,094

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 22 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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 Expedia the most. Expedia 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 $389). Flying from Oakland, California to Singapore in June is currently the most expensive (average of $768). 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 32h 05m. Airlines will cover a distance of 8437 mi.

  • 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 $768). 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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