Flights from Los Angeles to Siem Reap
Southeast AsiaYear-round

Cheap Flights from Los Angeles to Siem Reap

Track economy fares on the LAXREP route and get alerts when prices drop.

From
Los Angeles
LAX
To
Siem Reap
REP

Route Intelligence: Los AngelesSiem Reap

Flight Duration

20 hr 30 min (1-2 Stops)

Price Guidance

A good deal is under $700 roundtrip. Standard fare is $1,000–$1,400+.

Peak Season

November to February

Top Airlines

Thai Airways, China Southern Airlines, Korean Air

Booking Tip

Book 3-6 months in advance for best fares, as this route requires at least one connection (commonly through Bangkok, Guangzhou, or Seoul). Traveling in shoulder season (April or September) can yield savings of 20-30%.

Track Los AngelesSiem Reap Fares

Set your target price and FlightKitten will scan this route twice daily. The instant economy fares drop below your budget, you'll get an email with the price, airline, and a direct booking link.

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Flying Business Class?

If you're considering business class on this route, BusinessClassSignal.com is a dedicated tool that tracks premium cabin fares. They alert you when business & first class prices drop — worth checking out if you fly up front.

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Other Routes to Siem Reap

More Destinations in Southeast Asia

Route Briefing: Los Angeles to Siem Reap

Few flights from Los Angeles reward you quite like the long haul to Siem Reap. Yes, you're looking at around 20 and a half hours in the air with at least one connection — commonly through Bangkok, Seoul, or Guangzhou — but what's waiting on the other end is genuinely one of the most extraordinary places on earth. Angkor Wat, the world's largest religious monument, rises out of the Cambodian jungle with a quiet, overwhelming power that no photograph fully prepares you for. The entire Angkor Archaeological Park surrounding it contains dozens of ancient Khmer temples, some still being slowly reclaimed by enormous tree roots, and exploring them over several days feels less like sightseeing and more like stepping into a different dimension of human history.

On the fare side, this route rewards patience and planning. A roundtrip under $700 is a genuinely good deal — standard pricing tends to run between $1,000 and $1,400 or more. Thai Airways, Korean Air, and China Southern are among the top carriers operating this route, and booking three to six months ahead gives you the best shot at the lower end of that range. If your schedule has any flexibility, shoulder season — particularly April or September — can shave 20 to 30 percent off typical fares. Just note that April sits at the tail end of Cambodia's hot season, so pack accordingly and hydrate aggressively.

The sweet spot for visiting is November through February, when temperatures are more forgiving and the skies are reliably clear. Angkor Wat faces east, which means arriving before sunrise to watch the temples emerge from darkness reflected in the front pools is an experience that will genuinely stay with you for life. Get there early — this is not a secret.

Siem Reap's airport sits close to the city center, so getting to your accommodation is straightforward and inexpensive by tuk-tuk or taxi. The town itself has grown into a lively, welcoming base with excellent street food, night markets, and a range of accommodation options from budget guesthouses to boutique hotels. Khmer cuisine — fragrant with lemongrass, galangal, and fresh herbs — is deeply satisfying and remarkably affordable when you eat where locals eat.

The one tip worth underlining: buy a multi-day Angkor pass rather than a single-day ticket. The complex is vast, the light changes everything depending on the time of day, and trying to rush it is a genuine mistake you'll regret on the flight home.

How much are flights from Los Angeles to Siem Reap in 2026?

Flight prices from Los Angeles (LAX) to Siem Reap (REP) vary significantly depending on the season, day of the week, and how far in advance you book. A good deal is under $700 roundtrip. Standard fare is $1,000–$1,400+. Popular carriers on this route include Thai Airways, China Southern Airlines, Korean Air. FlightKitten eliminates the guesswork by monitoring 220+ airlines twice daily and alerting you the moment economy fares hit your target price.

How does FlightKitten track Los Angeles to Siem Reap fares?

FlightKitten scans over 220 airlines twice every day for economy fares on the LAX to REP route. When you set a target price, FlightKitten continuously monitors this route and sends an email alert the moment fares drop below your budget. Each alert includes the exact fare, airline, dates, and an AI-powered briefing that explains whether the deal is genuinely good compared to historical pricing on this route. No more obsessive price checking — set your budget and let FlightKitten do the watching.

Pro tip: Book 3-6 months in advance for best fares, as this route requires at least one connection (commonly through Bangkok, Guangzhou, or Seoul). Traveling in shoulder season (April or September) can yield savings of 20-30%.

Looking for business class deals on this route? We recommend checking out BusinessClassSignal.com — a dedicated premium cabin fare tracker that's worth a look if you fly up front.