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$358+ Cheap flights from Irvine, CA 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SIN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Singapore Changi are usually found in August or September, booked 44 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Irvine to Singapore

Keep the following information in mind while searching for Irvine to Singapore flight deals. Data was last updated September 16, 2025.

Round-trip from

$654
(CrystalTravel)

One-way from

$358
(Booking.com)

Popular in

December

Cheapest in

August

Average price

$791
From Irvine to Singapore Changi
Search Deals
One-way flight from Irvine to Singapore Changi
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($153 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Irvine to Singapore

Cheapest flights from Irvine to Singapore
Explore the most affordable flight options available from Irvine to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This CrystalTravel deal was found by Cheapflights users on 9/13. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2512:50 pmLAX - SIN
1 stop19h 50mPhilippine Airlines
Mon 11/2412:40 amSIN - LAX
1 stop23h 15mPhilippine Airlines
Deal found 9/13$654
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:50 amLAX - SIN
1 stop20h 50mPhilippine Airlines
Thu 11/208:10 pmSIN - LAX
1 stop27h 45mPhilippine Airlines
Deal found 9/13$655
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:50 amLAX - SIN
1 stop34h 10mPhilippine Airlines
Mon 12/12:10 pmSIN - LAX
1 stop33h 45mPhilippine Airlines
Deal found 9/15$656
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/612:50 pmLAX - SIN
1 stop19h 30mPhilippine Airlines
Sun 10/2612:40 amSIN - LAX
1 stop23h 15mPhilippine Airlines
Deal found 9/14$657
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1211:55 pmLAX - SIN
1 stop42h 30mPhilippine Airlines
Sun 10/1910:25 amSIN - LAX
1 stop38h 20mPhilippine Airlines
Deal found 9/14$658
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1411:55 pmLAX - SIN
1 stop42h 30mPhilippine Airlines
Tue 10/2110:25 amSIN - LAX
1 stop38h 20mPhilippine Airlines
Deal found 9/15$659
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/512:50 pmLAX - SIN
1 stop29h 35mPhilippine Airlines
Wed 10/2912:40 amSIN - LAX
1 stop23h 20mPhilippine Airlines
Deal found 9/14$660
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:05 pmLAX - SIN
Nonstop17h 50mSingapore Airlines
Wed 11/57:00 pmSIN - LAX
Nonstop15h 10mSingapore Airlines
Deal found 9/14$661
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:17 amLAX - SIN
2 stops23h 53mKorean Air
Tue 11/181:35 amSIN - LAX
1 stop22h 55mKorean Air
Deal found 9/14$666
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:55 pmLAX - SIN
1 stop28h 15mPhilippine Airlines
Tue 11/42:10 pmSIN - LAX
1 stop20h 55mPhilippine Airlines
Deal found 9/14$668
This eDestinos deal was found by Cheapflights users on 9/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:17 amLAX - SIN
2 stops23h 53mKorean Air
Thu 11/2010:40 amSIN - LAX
1 stop19h 00mKorean Air
Deal found 9/13$674

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 Irvine to Singapore that are best for you.

Fly from

Irvine

Fly to

Singapore

Route

Depart

Return

Price

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 10/29

8:40 am-7:00 am

2 stops31h 20m

Singapore Changi

Thu 11/20

10:20 pm-12:30 am

1 stop18h 10m

$706

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 1/28

7:25 am-8:15 pm

1 stop20h 50m

Singapore Changi

Wed 3/18

10:10 am-12:24 am

1 stop29h 14m

$712

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 10/29

4:10 pm-7:00 am

1 stop23h 50m

Singapore Changi

Wed 11/5

6:35 am-2:56 pm

2 stops24h 21m

$715

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Mon 1/19

9:40 pm-8:15 pm

1 stop30h 35m

Singapore Changi

Sun 2/1

10:45 am-5:50 pm

1 stop23h 05m

$720

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Tue 11/25

10:50 pm-12:10 am

1 stop33h 20m

Singapore Changi

Thu 12/4

10:40 am-1:40 pm

1 stop19h 00m

$723

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Sat 10/4

12:40 pm-5:00 am

1 stop25h 20m

Singapore Changi

Fri 11/7

10:40 am-1:40 pm

1 stop19h 00m

$723

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Tue 12/2

10:50 pm-8:25 pm

1 stop29h 35m

Singapore Changi

Mon 12/15

1:35 am-8:30 am

1 stop22h 55m

$723

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Mon 10/6

7:00 am-5:00 am

2 stops31h 00m

Singapore Changi

Tue 11/11

10:40 am-1:40 pm

1 stop19h 00m

$729

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 3/4

7:00 am-5:00 am

2 stops30h 00m

Singapore Changi

Mon 3/23

1:35 am-6:17 pm

2 stops31h 42m

$734

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Sat 11/29

10:50 pm-12:10 am

1 stop33h 20m

Singapore Changi

Sat 12/13

1:35 am-5:03 pm

2 stops31h 28m

$734

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 Irvine to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Irvine 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 Irvine to Singapore

How far ahead should I book a flight from Irvine to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Singapore. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Irvine to Singapore, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Irvine to Singapore?

Currently, October is the cheapest month in which you can book a flight from Irvine to Singapore (average of $1,002). Flying from Irvine 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.

What is the cheapest time of day to fly from IR9 to SIN?

Find hourly flight availability from Irvine to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to Singapore as you normally would.

What is the cheapest day to fly from Irvine to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Singapore. Price data was last updated on September 29, 2024.

Travelers seeking maximum savings on their Irvine to Singapore flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Irvine to Singapore

Explore weekly flight availability from Irvine to Singapore. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 16, 2025.

The most flights from IR9 to SIN are scheduled on a Wednesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated September 16, 2025.
Peruse reviews from past customers who have flown with Korean Air, Singapore Airlines, and Cathay Pacific from Irvine to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,140 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,140 reviews
Korean Air
8.4
Very good
1,140 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,365 reviews
Korean Air
8.4
Very good
1,140 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.6
Good
993 reviews
Korean Air
8.4
Very good
1,140 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,924 reviews
Korean Air
8.4
Very good
1,140 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,140 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Irvine 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 into for flights to Singapore from Irvine?

    For a flight from Irvine to Singapore, you will be flying into Changi. Singapore Changi (SIN) is just 10.5 mi from the center of the city. Changi is the only Singapore airport and it handles 2 inbound flights from Irvine per day. 17 airlines have flights to Singapore Changi from Irvine on a regular basis.

  • How popular is this Irvine to Singapore flight route?

    The Irvine to Singapore Changi flight path was viewed by 592 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Irvine to Singapore?

    Departing from Irvine to Singapore will take you 31h 20m. There are 8756 mi between Irvine and Singapore. This flight may include one or multiple stops.

  • What are the cheapest flights from Irvine to Singapore?

    Looking at all options, your cheapest flight can be booked for $293. While the most popular route (Los Angeles - Singapore Changi) can be booked for $615 on average, our data indicates $2,071 when flying from Irvine to Singapore.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Irvine 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 Irvine to Singapore?

    Currently, October is the cheapest month in which you can book a flight from Irvine to Singapore (average of $1,002). Flying from Irvine 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Irvine to Singapore

Discover the top 10 airlines that operate flights from Irvine to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$490Average$894FlexibilityNo cancel feeOn-time71%
China SouthernCheapest$550Average$626FlexibilityNo cancel feeOn-time69%
China EasternCheapest$582Average$835FlexibilityNo cancel feeOn-time62%
Philippine AirlinesCheapest$622Average$738FlexibilityNo cancel feeOn-time60%
XiamenAirCheapest$640Average$819FlexibilityNo cancel feeOn-time49%
Singapore AirlinesCheapest$653Average$1,088FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$654Average$698FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$686Average$836FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$701Average$1,082FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$727Average$904FlexibilityNo cancel feeOn-time67%

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