good.flights

Cheap flights from Hanoi to Siem Reap

One-way from $77, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Fri, Dec 11$82Sat, Dec 12$82Sun, Dec 13$115Mon, Dec 14$77Tue, Dec 15Any priceWed, Dec 16$80Thu, Dec 17$79Fri, Dec 18$82

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$77
Vietjet, flight VJ 913Found 2 days ago, 1 adult
Check live price
4:20pmHanoiMon, Dec 14
Travel time 1h 45m, nonstopHANSAI
6:05pmSiem ReapMon, Dec 14
$78
Vietjet, flight VJ 913Found today, 1 adult
Check live price
5:20pmHanoiSun, Oct 25
Travel time 1h 45m, nonstopHANSAI
7:05pmSiem ReapSun, Oct 25
$78
Vietjet, flight VJ 913Found 2 days ago, 1 adult
Check live price
4:20pmHanoiWed, Oct 28
Travel time 1h 45m, nonstopHANSAI
6:05pmSiem ReapWed, Oct 28
$79
Vietjet, flight VJ 913Found 2 days ago, 1 adult
Check live price
4:20pmHanoiFri, Oct 30
Travel time 1h 45m, nonstopHANSAI
6:05pmSiem ReapFri, Oct 30
$79
Vietjet, flight VJ 913Found 6 days ago, 1 adult
Check live price
4:20pmHanoiThu, Dec 17
Travel time 1h 45m, nonstopHANSAI
6:05pmSiem ReapThu, Dec 17

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in CambodiaTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Siem Reap, booked ahead at a fixed price.
    See options
  • Travel insuranceTravel insurance quotes for Cambodia from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425$7826$8227$8228$7829$8230$7931$119

November 2026

MoTuWeThFrSaSu1–2–3$824$905$876$1567$838$909$15610$8211$11312$8213$9014–15$9916–17$8118$15619$10020$18821$10022$18923$9924$9025$13826$8927$9028$8929$9730$86

December 2026

MoTuWeThFrSaSu1$812–3–4–5–6–7$898–9–10$8211$8212$8213$11514$7715–16$8017$7918$8219$8120$9821$9922$9823$1002425262728293031
$82 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Dec 14, $77.

Lowest fares by month

In the fares found this week, December has the lowest: from $77 one-way, against $113 in April 2027. Pick a month to see its cheapest date.

  1. Oct$78
  2. Nov$81
  3. Dec$77
  4. Jan$80
  5. Feb$105
  6. Mar$109
  7. Apr$113
  8. Mayno fares yet
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
$0$50$100$150OctNov$77DecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$78Wed, Oct 28Nonstop
November$81Tue, Nov 17Nonstop
December$77Mon, Dec 14Nonstop
January 2027$80Thu, Jan 28Nonstop
February 2027$105Tue, Feb 9Nonstop
March 2027$109Sun, Mar 28Nonstop
April 2027$113Mon, Apr 5Nonstop
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Siem Reap. Average daily high and low and monthly precipitation, 1997–2010 normals.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare$78$81$77$80$105$109$113–––––
High °C32°31°31°32°34°35°36°35°34°33°32°32°
Low °C25°23°21°20°22°24°25°25°25°25°25°25°
Precipitation mm200517452957150214193209288

Source: Siem Reap on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Hanoi to Siem Reap?

In the fares found this week, December has the lowest: from $77 one-way, against $113 in April 2027.

What is the weather in Siem Reap in December?

In December, the cheapest month to fly, the average daily high in Siem Reap is 31 °C and the low 21 °C.

Are there direct flights from Hanoi to Siem Reap?

Yes. Recent fares include nonstop flights with Vietjet and Vietnam Airlines.

How long is the flight from Hanoi to Siem Reap?

A nonstop flight takes about 1h 40m. The distance is 555 mi.

Which day of the week is cheapest to fly?

In the fares we have, Thursday departures are the cheapest, with a typical lowest fare of $89. Friday is the priciest at about $120.

More cheap flights from Hanoi

All 316 destinations