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S$ 63+ Cheap flights from Irvine

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 7-2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LAX — SIN
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Irvine

Discover essential information about flights departing from Irvine, including flight schedules, destinations, airlines operating at the Irvine airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 15 January 2026.

Cheapest airline

Turkish Airlines
On average, Turkish Airlines currently has the cheapest one-way flight from Irvine (avg. price of S$ 1,379).
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Find flights from Irvine

Enter your travel dates to find the best prices.

Cheapest flights from Irvine
Explore the most affordable flight options available from Irvine. Find the lowest fares based on data from user searches, with prices last updated on 15 January 2026.

Mon 2-211:20
LAX
-
SFO
Nonstop1h 34m
Frontier
Mon 23-218:53
SFO
-
LAX
Nonstop1h 33m
Frontier
Deal found 13-1S$ 117
Tue 3-306:00
LAX
-
SFO
Nonstop1h 31m
Alaska Airlines
Tue 3-310:35
SFO
-
LAX
Nonstop1h 31m
Alaska Airlines
Deal found 12-1S$ 118
Sat 18-406:00
LAX
-
SFO
Nonstop1h 30m
Alaska Airlines
Wed 22-419:37
SFO
-
LAX
Nonstop1h 34m
Alaska Airlines
Deal found 12-1S$ 125
Tue 3-305:45
LAX
-
SFO
1 stop6h 05m
Southwest
Wed 4-308:15
SFO
-
LAX
Nonstop1h 25m
Southwest
Deal found 12-1S$ 138
Tue 3-307:50
LAX
-
SFO
2 stops7h 40m
Southwest
Tue 3-317:35
SFO
-
LAX
Nonstop1h 25m
Southwest
Deal found 12-1S$ 144
Tue 3-308:00
LAX
-
SFO
Nonstop1h 33m
Alaska Airlines
Wed 11-312:47
SFO
-
LAX
Nonstop1h 29m
Alaska Airlines
Deal found 14-1S$ 151
Thu 19-206:30
LAX
-
SFO
Nonstop1h 25m
Delta
Mon 23-211:02
SFO
-
LAX
Nonstop1h 33m
Delta
Deal found 15-1S$ 152
Sat 14-218:35
LAX
-
SFO
Nonstop1h 35m
United Airlines
Sat 14-222:57
SFO
-
LAX
Nonstop1h 33m
United Airlines
Deal found 14-1S$ 160
Wed 20-506:00
LAX
-
SFO
Nonstop1h 35m
United Airlines
Sat 23-518:15
SFO
-
LAX
Nonstop1h 45m
United Airlines
Deal found 13-1S$ 162
Wed 4-219:55
LAX
-
SFO
Nonstop1h 30m
Alaska Airlines
Sun 8-207:30
SFO
-
LAX
Nonstop1h 32m
Alaska Airlines
Deal found 15-1S$ 164
Fri 30-123:59
LAX
-
EWR
1 stop12h 11m
Spirit Airlines
Mon 2-213:00
EWR
-
LAX
1 stop12h 56m
Spirit Airlines
Deal found 12-1S$ 231
Wed 13-521:49
LAX
-
EWR
1 stop12h 13m
Spirit Airlines
Tue 19-506:59
EWR
-
LAX
Nonstop6h 28m
Spirit Airlines
Deal found 13-1S$ 233

Find flights from Irvine within your budget

 
Find flights departing from Irvine that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 15 January 2026. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Singapore

Route

Depart

Return

Price

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Wed 4-2

17:20-18:52

Nonstop1h 32m

San Francisco

Tue 10-2

17:40-19:13

Nonstop1h 33m

S$ 125

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Sat 18-4

17:27-18:57

Nonstop1h 30m

San Francisco

Tue 21-4

10:10-11:48

Nonstop1h 38m

S$ 125

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Tue 3-3

05:45-11:50

1 stop6h 05m

San Francisco

Tue 3-3

17:35-19:00

Nonstop1h 25m

S$ 138

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Tue 3-2

19:55-21:25

Nonstop1h 30m

San Francisco

Wed 11-2

16:03-17:37

Nonstop1h 34m

S$ 138

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Wed 18-2

18:50-20:15

Nonstop1h 25m

San Francisco

Wed 25-2

14:35-21:25

1 stop6h 50m

S$ 138

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Thu 19-2

16:30-17:56

Nonstop1h 26m

San Francisco

Mon 23-2

21:30-22:58

Nonstop1h 28m

S$ 151

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Wed 29-4

06:30-07:53

Nonstop1h 23m

San Francisco

Tue 5-5

20:50-22:25

Nonstop1h 35m

S$ 151

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Fri 17-4

18:34-20:03

Nonstop1h 29m

San Francisco

Wed 22-4

09:20-11:00

Nonstop1h 40m

S$ 151

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Tue 10-2

13:38-15:12

Nonstop1h 34m

San Francisco

Tue 17-2

07:25-09:01

Nonstop1h 36m

S$ 151

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Thu 12-2

21:35-23:04

Nonstop1h 29m

San Francisco

Tue 17-2

06:00-07:29

Nonstop1h 29m

S$ 151

Flights are sorted by cheapest return flights first.

Deals found on 12-1

Showing 1-10 of 60 results
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Best time to book a flight from Irvine

Have a flexible travel schedule? Discover the best time to fly from Irvine with our price prediction graph.
Estimated return 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.

Travel insights for flights from Irvine

Get recent, data-driven insights about flights from Irvine including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Irvine?

Use this chart to determine the optimal time to book a return flight from Irvine to Singapore. Price data was last updated on 9 January 2026.

The price you pay for your flight from Irvine may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Irvine (average of S$ 787). Flying from Irvine in June will prove the most costly (average of S$ 993). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Irvine?

When flying from Irvine check dates and pricing for the following: United Airlines. As it departs for the following popular destinations: Singapore.

Turkish Airlines
Turkish Airlines
From S$ 1,265
Frontier
Frontier
From S$ 54
LATAM Airlines
LATAM Airlines
From S$ 916
American Airlines
American Airlines
From S$ 186

Airline reviews for flights from Irvine

Get insights into the airlines that provide service from Irvine. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Irvine. In the last 7 days, Cheapflights users made a total of 200,618 searches.
Read reviews from past customers who have flown United Airlines from Irvine. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,163 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,163 reviews
United Airlines
7.4
Good
9,163 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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Direct flights from California

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Related info for your journey

Access useful and relevant information related to your journey from Irvine. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 15 January 2026.

  • What is the cheapest airport to fly out of Irvine?

    The cheapest routes to Auckland can be found at Singapore Changi airport from S$ 89. While Kuala Lumpur Intl airport is usually cheaper if your destination is Singapore with prices starting at S$ 91. Reference our flight search to find the best deals in real time.

  • What is the cheapest month to fly from Irvine?

    Currently, the cheapest month for flights from Irvine is September. The most expensive month for flights is June. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Irvine?

    View the cheapest flight destinations from Irvine:
    Fly from Singapore to Kota Kinabalu from S$ 89 round trip
    Fly from Singapore to Kuala Lumpur from S$ 91 round trip
    Fly from Kuala Lumpur to Singapore from S$ 91 round trip
    Fly from Singapore to Penang from S$ 94 round trip
    Fly from Singapore to Langkawi from S$ 94 round trip

  • How does Cheapflights help users find flights from Irvine?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Irvine. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Irvine?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Irvine for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Irvine with no change fees?

    Certainly. Search results for flights from Irvine shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Irvine become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Irvine today and book when you’re ready!

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Irvine?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Irvine. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Irvine?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Irvine for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Irvine with no change fees?

Certainly. Search results for flights from Irvine shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Irvine become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Irvine today and book when you’re ready!

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