HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$361+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SIN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Irvine to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Irvine to Singapore Changi are usually found in September or August, 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$706
(FlightHub)

One-way from

$361
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$792
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. 15% potential increase in price ($171 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 11/66:00 amLAX - SIN
1 stop22h 15mUnited Airlines
Thu 11/1310:10 amSIN - LAX
2 stops25h 07mUnited Airlines
Deal found 10/30$706
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 11/188:04 amLAX - SIN
1 stop20h 11mUnited Airlines
Wed 12/310:10 amSIN - LAX
1 stop20h 45mUnited Airlines
Deal found 10/29$710
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/278:04 amLAX - SIN
1 stop20h 11mUnited Airlines
Wed 12/1010:10 amSIN - LAX
1 stop25h 11mUnited Airlines
Deal found 10/28$711
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:30 amLAX - SIN
1 stop25h 55mChina Eastern
Wed 12/312:25 amSIN - LAX
1 stop24h 40mChina Eastern
Deal found 10/30$714
This CrystalTravel deal was found by Cheapflights users on 10/28. 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.
Wed 10/2912:30 pmLAX - SIN
1 stop21h 25mANA
Wed 11/56:35 amSIN - LAX
1 stop19h 55mANA
Deal found 10/28$715
This lastminute.com deal was found by Cheapflights users on 10/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:17 amLAX - SIN
2 stops28h 43mKorean Air
Tue 12/91:35 amSIN - LAX
1 stop22h 55mKorean Air
Deal found 10/28$716
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/52:30 pmLAX - SIN
1 stop25h 30mUnited Airlines
Wed 12/310:20 pmSIN - LAX
1 stop18h 09mUnited Airlines
Deal found 10/27$719
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 11/186:00 amLAX - SIN
1 stop22h 15mUnited Airlines
Tue 12/910:10 amSIN - LAX
1 stop20h 45mUnited Airlines
Deal found 10/29$720
This Asiana Airlines deal was found by Cheapflights users on 10/29. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:30 pmLAX - SIN
1 stop30h 25mAsiana Airlines
Mon 12/111:10 pmSIN - LAX
1 stop31h 40mAsiana Airlines
Deal found 10/29$721

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 October 30, 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

Thu 11/27

12:00 pm-8:00 am

1 stop28h 00m

Singapore Changi

Wed 12/10

10:20 pm-7:36 am

1 stop25h 16m

$712

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 1/28

7:20 am-12:10 am

2 stops24h 50m

Singapore Changi

Tue 3/17

1:35 am-9:30 am

1 stop22h 55m

$724

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 11/5

6:00 am-8:15 pm

1 stop22h 15m

Singapore Changi

Mon 11/17

10:10 am-5:43 pm

1 stop23h 33m

$737

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Mon 11/10

11:02 am-8:00 am

2 stops28h 58m

Singapore Changi

Thu 11/13

10:10 am-5:40 pm

2 stops23h 30m

$741

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Sun 11/16

9:33 pm-8:15 pm

1 stop30h 42m

Singapore Changi

Fri 11/28

10:10 am-7:16 pm

1 stop25h 06m

$755

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Thu 11/27

5:00 am-8:00 am

2 stops35h 00m

Singapore Changi

Mon 12/29

10:10 am-7:31 am

1 stop37h 21m

$816

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 1/28

7:20 am-12:10 am

2 stops24h 50m

Singapore Changi

Sun 2/8

1:35 am-8:28 pm

2 stops34h 53m

$819

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Sat 11/22

9:30 pm-8:15 pm

1 stop30h 45m

Singapore Changi

Sun 12/21

10:10 am-8:23 pm

1 stop26h 13m

$975

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Fri 12/26

10:50 pm-8:00 am

1 stop41h 10m

Singapore Changi

Thu 1/15

10:45 am-8:12 pm

2 stops25h 27m

$1,056

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Tue 1/27

12:15 am-6:35 am

1 stop38h 20m

Singapore Changi

Wed 3/18

8:15 am-10:45 am

1 stop17h 30m

$1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 23 results
1
2
3

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 October 24, 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, February is the cheapest month in which you can book a flight from Irvine to Singapore (average of $582). Flying from Irvine to Singapore in December is currently the most expensive (average of $774). 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 October 30, 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.

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 October 30, 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
1,155 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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
1,388 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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
1,044 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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
8,996 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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
10,383 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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 1 inbound flight from Irvine per day. 18 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 563 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 24h 50m. 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 $292. While the most popular route (Los Angeles - Singapore Changi) can be booked for $638 on average, our data indicates $2,039 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 $582). Flying from Irvine to Singapore in December is currently the most expensive (average of $774). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$446Average$1,044FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$490Average$811FlexibilityNo cancel feeOn-time71%
China SouthernCheapest$550Average$626FlexibilityNo cancel feeOn-time69%
China EasternCheapest$582Average$808FlexibilityNo cancel feeOn-time62%
XiamenAirCheapest$598Average$1,007FlexibilityNo cancel feeOn-time49%
Philippine AirlinesCheapest$618Average$694FlexibilityNo cancel feeOn-time60%
Singapore AirlinesCheapest$650Average$1,048FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$655Average$712FlexibilityNo cancel feeOn-time76%
Air ChinaCheapest$656Average$691FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$686Average$830FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.