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Cheap flights from Phnom Penh to Hanoi from £86

KTI — HAN
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Phnom Penh to Hanoi

Enter your travel dates to find the best prices.

Cheapest flights from Phnom Penh to Hanoi

Tue 8/917:00 -
2 stops40h 15m
Wed 30/919:45 -
Nonstop1h 55m
Deal found 7/9£193
Fri 23/1016:30 -
Nonstop2h 05m
Mon 26/1005:55 -
2 stops34h 45m
Deal found 8/9£193
Mon 14/916:30 -
Nonstop2h 05m
Fri 18/919:45 -
Nonstop1h 55m
Deal found 8/9£195
Fri 25/1208:00 -
Nonstop2h 00m
Fri 15/120:50 -
1 stop11h 35m
Deal found 8/9£200
Sun 20/916:30 -
Nonstop2h 05m
Wed 30/919:45 -
Nonstop1h 55m
Deal found 6/9£201
Wed 30/916:30 -
Nonstop2h 05m
Wed 7/1019:45 -
Nonstop1h 55m
Deal found 10/9£202
Fri 25/1213:50 -
1 stop6h 25m
Fri 1/117:15 -
Nonstop1h 50m
Deal found 10/9£204
Wed 23/916:30 -
Nonstop2h 05m
Wed 30/917:05 -
2 stops19h 50m
Deal found 10/9£204
Thu 24/1213:50 -
1 stop6h 20m
Fri 1/117:15 -
Nonstop1h 50m
Deal found 7/9£205
Wed 30/1220:00 -
Nonstop1h 55m
Wed 6/117:15 -
Nonstop1h 50m
Deal found 6/9£207
Thu 10/920:15 -
2 stops19h 40m
Sun 13/919:45 -
Nonstop1h 55m
Deal found 6/9£208

Find flight deals from Phnom Penh to Hanoi

Round-trip from

£193

One-way from

£86

Popular in

June

Cheapest in

January

Average price

£201
Vietnam Airlines
  • Vietnam Airlines
  • 23/10-26/10
  • 2 total stops
  • 36h 50m total
  • Phnom Penh to Hanoi
Search Deals
16/9-31/12
  • 16/9-31/12
  • 1 total stop
  • 7h 40m total
  • Phnom Penh to Hanoi
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

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Depart

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Price

Cheapest return flight

Phnom PenhHanoi

KTI Phnom Penh Techo Intl - HAN Hanoi Noibai

KTIHAN

Phnom Penh Techo Intl

Sun 29/11

08:00-10:00

Nonstop2h 00m

Hanoi Noibai

Wed 31/12

00:00-23:00

Nonstop0h 00m

£107

Phnom PenhHanoi

KTI Phnom Penh Techo Intl - HAN Hanoi Noibai

KTIHAN

Phnom Penh Techo Intl

Mon 28/9

16:30-18:35

Nonstop2h 05m

Hanoi Noibai

Wed 31/12

00:00-23:00

Nonstop0h 00m

£107

Phnom PenhHanoi

KTI Phnom Penh Techo Intl - HAN Hanoi Noibai

KTIHAN

Phnom Penh Techo Intl

Fri 11/12

08:00-10:00

Nonstop2h 00m

Hanoi Noibai

Wed 31/12

00:00-23:00

Nonstop0h 00m

£107

Phnom PenhHanoi

KTI Phnom Penh Techo Intl - HAN Hanoi Noibai

KTIHAN

Phnom Penh Techo Intl

Sun 28/2

08:00-10:00

Nonstop2h 00m

Hanoi Noibai

Wed 31/12

00:00-23:00

Nonstop0h 00m

£107

Phnom PenhHanoi

KTI Phnom Penh Techo Intl - HAN Hanoi Noibai

KTIHAN

Phnom Penh Techo Intl

Mon 25/1

08:00-10:00

Nonstop2h 00m

Hanoi Noibai

Wed 31/12

00:00-23:00

Nonstop0h 00m

£107

Phnom PenhHanoi

KTI Phnom Penh Techo Intl - HAN Hanoi Noibai

KTIHAN

Phnom Penh Techo Intl

Sun 27/9

16:30-18:35

Nonstop2h 05m

Hanoi Noibai

Wed 31/12

00:00-23:00

Nonstop0h 00m

£107

Phnom PenhHanoi

KTI Phnom Penh Techo Intl - HAN Hanoi Noibai

KTIHAN

Phnom Penh Techo Intl

Wed 23/12

13:50-20:15

1 stop6h 25m

Hanoi Noibai

Wed 31/12

00:00-23:00

Nonstop0h 00m

£114

Phnom PenhHanoi

KTI Phnom Penh Techo Intl - HAN Hanoi Noibai

KTIHAN

Phnom Penh Techo Intl

Mon 7/12

13:50-22:40

1 stop8h 50m

Hanoi Noibai

Wed 31/12

00:00-23:00

Nonstop0h 00m

£117

Phnom PenhHanoi

KTI Phnom Penh Techo Intl - HAN Hanoi Noibai

KTIHAN

Phnom Penh Techo Intl

Sat 13/2

13:50-21:10

1 stop7h 20m

Hanoi Noibai

Wed 31/12

00:00-23:00

Nonstop0h 00m

£118

Phnom PenhHanoi

KTI Phnom Penh Techo Intl - HAN Hanoi Noibai

KTIHAN

Phnom Penh Techo Intl

Mon 4/1

13:50-19:10

1 stop5h 20m

Hanoi Noibai

Wed 31/12

00:00-23:00

Nonstop0h 00m

£118

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from Phnom Penh to Hanoi

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

Cheapflights Insights

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

How far ahead should I book a flight from Phnom Penh to Hanoi?

The best time to book flights from Phnom Penh to Hanoi is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Phnom Penh to Hanoi (average of £177). Flying from Phnom Penh to Hanoi in June is currently the most expensive (average of £238). 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 KTI to HAN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phnom Penh to Hanoi as you normally would.

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

Airfare is typical for this route at the moment.

Phnom Penh to Hanoi flights typically cost between £156 and £227 in October.
The cheapest return price found within the last 5 days was £193 on Vietnam Airlines (23 Oct–26 Oct).

Related info for your journey

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

    This flight path from Phnom Penh Techo Intl to Hanoi Noibai was viewed by 5 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 Phnom Penh to Hanoi?

    For as low as £195, Cambodia Angkor Air can have you in Hanoi from Phnom Penh in 2h. The distance between Phnom Penh and Hanoi is about 683 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Phnom Penh to Hanoi round-trip?

    Cheapflights users have booked flights from Phnom Penh to Hanoi round-trip from £149. Cambodia Angkor Air is currently priced 24% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Phnom Penh to Hanoi?

    Consider Air France (43%), Vietnam Airlines (36%) or Cambodia Angkor Air (36%) when booking your flight. These represent the most reliable airlines when flying from Phnom Penh to Hanoi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Phnom Penh to Hanoi (average of £177). Flying from Phnom Penh to Hanoi in June is currently the most expensive (average of £238). 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 Phnom Penh to Hanoi

Siem Reap to Ho Chi Minh City flights

Top airline flying from Phnom Penh to Hanoi

AirlineCheapestAverageFlexibilityOn-time
Cambodia Angkor AirCheapest£149Average£189FlexibilityNo cancel feeOn-timeN/A
Search Cambodia Angkor Air flights

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