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$351+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SIN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Singapore Changi are usually found in September or August, booked 21 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap 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 December 18, 2025.

This oojo deal was found by Cheapflights users on 12/16. 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 12/3111:30 amLAX - SIN
2 stops47h 00mChina Eastern
Thu 1/1510:10 amSIN - LAX
1 stop38h 55mChina Eastern
Deal found 12/16$835
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:50 pmLAX - SIN
1 stop29h 25mUnited Airlines
Wed 1/2110:10 amSIN - LAX
1 stop23h 43mUnited Airlines
Deal found 12/18$852
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:50 pmLAX - SIN
1 stop29h 25mUnited Airlines
Tue 1/1310:10 amSIN - LAX
1 stop20h 48mUnited Airlines
Deal found 12/17$903
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:21 amLAX - SIN
2 stops25h 34mUnited Airlines
Mon 1/510:10 amSIN - LAX
1 stop26h 12mUnited Airlines
Deal found 12/17$923
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:21 amLAX - SIN
1 stop20h 54mUnited Airlines
Wed 1/2110:20 pmSIN - LAX
1 stop18h 14mUnited Airlines
Deal found 12/18$967
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:50 pmLAX - SIN
1 stop29h 25mUnited Airlines
Tue 12/3010:10 amSIN - LAX
1 stop24h 53mUnited Airlines
Deal found 12/16$1,021
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Fri 12/2611:30 amLAX - SIN
1 stop25h 55mChina Eastern
Wed 1/2112:25 amSIN - LAX
1 stop24h 40mChina Eastern
Deal found 12/17$1,048

Find flight deals from Irvine to Singapore

Keep the following information in mind while searching for Irvine to Singapore flight deals. Data was last updated December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$712
(United Airlines)

One-way from

$351
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,469
Provider with most accurate pricing for Los Angeles-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Singapore Changi flights.
Search Deals
From Irvine to Singapore Changi
Search Deals
One-way flight from Irvine to Singapore Changi
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Fri 1/23

7:25 am-8:15 pm

1 stop20h 50m

Singapore Changi

Sun 1/25

10:45 am-5:50 pm

1 stop23h 05m

$723

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Sat 2/14

8:05 pm-8:00 am

1 stop19h 55m

Singapore Changi

Mon 3/16

10:10 am-5:29 pm

1 stop22h 19m

$724

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 2/11

4:15 pm-8:00 am

1 stop23h 45m

Singapore Changi

Sun 3/15

10:10 am-2:28 pm

1 stop19h 18m

$724

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Sat 2/14

6:35 pm-8:00 am

1 stop21h 25m

Singapore Changi

Wed 3/11

10:10 am-2:28 pm

1 stop19h 18m

$724

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Sat 1/10

6:35 pm-8:15 pm

1 stop33h 40m

Singapore Changi

Wed 1/14

10:20 pm-7:35 am

1 stop25h 15m

$729

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 2/11

5:20 pm-8:00 am

1 stop22h 40m

Singapore Changi

Fri 3/13

10:10 am-12:17 am

1 stop29h 07m

$730

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 4/15

9:15 am-12:45 am

2 stops24h 30m

Singapore Changi

Wed 4/29

9:00 am-7:38 pm

2 stops25h 38m

$737

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Mon 1/19

10:50 pm-12:10 am

1 stop33h 20m

Singapore Changi

Mon 6/29

10:30 pm-9:40 am

1 stop26h 10m

$750

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Sun 2/22

8:30 am-5:00 am

2 stops28h 30m

Singapore Changi

Wed 3/18

10:40 am-2:40 pm

1 stop19h 00m

$756

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Mon 1/19

7:20 am-8:25 pm

2 stops45h 05m

Singapore Changi

Sat 7/4

10:30 pm-10:10 am

1 stop26h 40m

$756

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 22 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 December 12, 2025.

To ensure you get the cheapest price possible for a flight from Irvine to Singapore, you should look to book at least 21 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, February is the cheapest month in which you can book a flight from Irvine to Singapore (average of $592). Flying from Irvine 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.

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 December 18, 2025.

One of the essential ways to save on airfare from Irvine to Singapore is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.

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 December 16, 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. Saturday at noon 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 December 18, 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 December 18, 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
1,186 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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
1,413 reviews
Korean Air
8.4
Very good
1,186 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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
1,095 reviews
Korean Air
8.4
Very good
1,186 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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
9,091 reviews
Korean Air
8.4
Very good
1,186 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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
10,534 reviews
Korean Air
8.4
Very good
1,186 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

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 553 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 20h 50m. There are 8756 mi between Irvine and Singapore.

  • What are the cheapest airlines to fly from Irvine to Singapore one-way?

    One-way options have recently been found by users for as low as $295 on Philippine Airlines. Other airlines that offer cheap prices include Singapore Airlines from $313 and Asiana Airlines from $333 one-way.

  • What are the cheapest flights from Irvine to Singapore?

    Looking at all options, your cheapest flight can be booked for $308. While the most popular route (Los Angeles - Singapore Changi) can be booked for $561 on average, our data indicates $2,004 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, February is the cheapest month in which you can book a flight from Irvine to Singapore (average of $592). Flying from Irvine 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

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$446Average$950FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$490Average$811FlexibilityNo cancel feeOn-time71%
China EasternCheapest$582Average$825FlexibilityNo cancel feeOn-time62%
XiamenAirCheapest$598Average$1,653FlexibilityNo cancel feeOn-time49%
Philippine AirlinesCheapest$618Average$694FlexibilityNo cancel feeOn-time60%
Singapore AirlinesCheapest$640Average$987FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$654Average$705FlexibilityNo cancel feeOn-time76%
Air ChinaCheapest$656Average$691FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$686Average$833FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$686Average$898FlexibilityNo cancel feeOn-time72%

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