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Cheap flights from Hanoi to Phnom Penh from £94

HAN — KTI
10 Oct — 17 Oct1
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 16/1011:00 -
1 stop5h 55m
Sun 18/1014:10 -
1 stop22h 00m
Deal found 9/9£177
Wed 21/1017:15 -
Nonstop1h 50m
Wed 11/1120:00 -
Nonstop1h 55m
Deal found 7/9£184
Tue 20/1009:00 -
1 stop7h 55m
Wed 11/1120:00 -
Nonstop1h 55m
Deal found 7/9£191
Fri 23/1022:00 -
1 stop18h 55m
Wed 11/1113:50 -
1 stop5h 00m
Deal found 7/9£194
Wed 21/1017:15 -
Nonstop1h 50m
Thu 12/1113:50 -
1 stop10h 20m
Deal found 7/9£195
Fri 11/919:45 -
Nonstop1h 55m
Mon 21/916:30 -
Nonstop2h 05m
Deal found 8/9£197
Fri 11/917:15 -
Nonstop1h 50m
Mon 21/914:10 -
1 stop7h 00m
Deal found 8/9£199
Tue 20/1012:00 -
1 stop4h 55m
Mon 9/1113:50 -
1 stop6h 20m
Deal found 7/9£200
Sat 24/1015:20 -
Nonstop1h 55m
Wed 11/1108:00 -
Nonstop2h 00m
Deal found 7/9£203

Find flight deals from Hanoi to Phnom Penh

Round-trip from

£177

One-way from

£94

Popular in

November

Cheapest in

April

Average price

£193
Vietnam Airlines
  • Vietnam Airlines
  • 16/10-18/10
  • 2 total stops
  • 27h 55m total
  • Hanoi to Phnom Penh
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Cambodia Angkor Air
  • Cambodia Angkor Air
  • 13/1-31/12
  • Nonstop
  • 1h 50m total
  • Hanoi to Phnom Penh
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 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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Cheapest return flight
Fastest return journey

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Sun 20/12

10:50-12:40

Nonstop1h 50m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£94

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Wed 6/1

10:50-12:40

Nonstop1h 50m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£95

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Wed 30/9

19:45-21:40

Nonstop1h 55m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£103

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Mon 28/9

08:00-16:55

1 stop8h 55m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£105

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Mon 25/1

17:15-19:05

Nonstop1h 50m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£106

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Thu 8/10

19:45-21:40

Nonstop1h 55m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£114

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Thu 1/10

19:45-21:40

Nonstop1h 55m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£114

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Sat 26/9

06:50-16:55

2 stops10h 05m

Phnom Penh Techo Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£134

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Fri 16/10

06:00-16:55

1 stop10h 55m

Phnom Penh Techo Intl

Sun 18/10

20:05-22:00

Nonstop1h 55m

£187

HanoiPhnom Penh

HAN Hanoi Noibai - KTI Phnom Penh Techo Intl

HANKTI

Hanoi Noibai

Fri 23/10

19:45-21:40

Nonstop1h 55m

Phnom Penh Techo Intl

Fri 13/11

08:00-10:00

Nonstop2h 00m

£203

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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 £156). Flying from Hanoi to Phnom Penh in November is currently the most expensive (average of £228). 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 typical for this route at the moment.

Hanoi to Phnom Penh flights typically cost between £177 and £193 in October.
The cheapest return price found within the last 5 days was £177 on Vietnam Airlines (16 Oct–18 Oct).

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 Vietnam Airlines and Cambodia Angkor Air fly from Hanoi to Phnom Penh in about 1h 55m. The time it takes to get you to your destination can typically vary by up to 9h. 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 £156). Flying from Hanoi to Phnom Penh in November is currently the most expensive (average of £228). 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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