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Cheap flights from Hanoi to Phnom Penh from £90

HAN — KTI
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hanoi to Phnom Penh

Enter your travel dates to find the best prices.

Cheapest flights from Hanoi to Phnom Penh

Fri 13/1111:50 -
Nonstop1h 50m
Sun 15/1109:00 -
Nonstop2h 00m
Deal found 22/10£191
Fri 20/1111:50 -
Nonstop1h 50m
Fri 27/1120:00 -
Nonstop1h 55m
Deal found 21/10£199
Fri 20/1120:30 -
1 stop20h 10m
Fri 27/1113:50 -
1 stop6h 20m
Deal found 21/10£200
Sun 6/1211:00 -
Nonstop1h 50m
Tue 15/1208:00 -
Nonstop2h 00m
Deal found 24/10£200
Wed 9/1217:15 -
Nonstop1h 50m
Thu 17/1213:50 -
1 stop6h 20m
Deal found 24/10£204
Wed 23/1208:00 -
1 stop8h 40m
Mon 4/120:00 -
Nonstop1h 55m
Deal found 23/10£205
Wed 23/1217:15 -
Nonstop1h 50m
Wed 30/1220:00 -
Nonstop1h 55m
Deal found 21/10£207
Thu 24/1208:00 -
1 stop8h 40m
Mon 4/120:00 -
Nonstop1h 55m
Deal found 22/10£208
Sun 6/1217:15 -
Nonstop1h 50m
Mon 14/1213:50 -
1 stop7h 55m
Deal found 24/10£208
Fri 11/1211:00 -
1 stop5h 40m
Wed 16/1213:50 -
1 stop5h 00m
Deal found 24/10£211
Tue 8/1211:50 -
Nonstop1h 50m
Mon 14/1208:00 -
Nonstop2h 00m
Deal found 24/10£213

Find flight deals from Hanoi to Phnom Penh

Round-trip from

£191

One-way from

£90

Popular in

September

Cheapest in

April

Average price

£200
Cambodia Angkor Air
  • Cambodia Angkor Air
  • 13/11-15/11
  • Nonstop
  • 3h 50m total
  • Hanoi to Phnom Penh
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Thai AirAsia
  • Thai AirAsia
  • 18/11-31/12
  • 1 total stop
  • 5h 05m total
  • Hanoi to Phnom Penh
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£17 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Hanoi to Phnom Penh that are best for you.

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Route

Depart

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Price

Cheapest return flight
Fastest return journey

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Fri 13/11

11:00-12:50

Nonstop1h 50m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£92

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Mon 8/2

11:00-12:50

Nonstop1h 50m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£100

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Fri 12/2

11:50-13:40

Nonstop1h 50m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£100

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Sun 10/1

11:00-12:50

Nonstop1h 50m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£100

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Thu 4/3

09:15-14:20

1 stop5h 05m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£104

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Mon 25/1

09:15-14:20

1 stop5h 05m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£104

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Sun 7/2

11:00-12:50

Nonstop1h 50m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£108

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Fri 1/1

17:15-19:05

Nonstop1h 50m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£116

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Sat 13/2

11:00-12:50

Nonstop1h 50m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£119

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Thu 4/3

09:20-16:40

1 stop7h 20m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£125

Flights are sorted by cheapest return flights first.

Deals found on 24/10

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Hanoi to Phnom Penh

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

Cheapflights Insights

Everything you need to know about your flight from Hanoi to Phnom Penh

What is the cheapest month to book a flight from Hanoi to Phnom Penh?

Currently, April is the cheapest month in which you can book a flight from Hanoi to Phnom Penh (average of £158). Flying from Hanoi to Phnom Penh in September is currently the most expensive (average of £251). 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 HAN to KTI?

When flying from Hanoi to Phnom Penh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Hanoi to Phnom Penh?

Airfare is below average for this route at the moment.

Hanoi to Phnom Penh flights typically cost between £192 and £235 in November.
The cheapest return price found within the last 5 days was £191 on Cambodia Angkor Air (13 Nov–15 Nov).

Related info for your journey

  • How popular is this Hanoi to Phnom Penh flight route?

    This flight path from Hanoi Noibai to Phnom Penh Techo Intl was viewed by 3 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 Hanoi to Phnom Penh?

    Airlines like Cambodia Angkor Air and Vietnam Airlines fly from Hanoi to Phnom Penh in about 1h 50m. The time it takes to get you to your destination can typically vary by up to 5h 30m. The distance between Hanoi and Phnom Penh is about 683 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Hanoi to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on Hanoi to Phnom Penh flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hanoi to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hanoi to Phnom Penh.

  • Can I find deals for business class flights from Hanoi to Phnom Penh?

    Yes. Cheapflights offers flight deals from Hanoi to Phnom Penh 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 Hanoi to Phnom Penh?

    Currently, April is the cheapest month in which you can book a flight from Hanoi to Phnom Penh (average of £158). Flying from Hanoi to Phnom Penh in September is currently the most expensive (average of £251). 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

Alternative routes for Hanoi to Phnom Penh

Da Nang to Siem Reap flights
Ho Chi Minh City to Siem Reap flights

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