Cruises from Cambodia to Vietnam usually last between 4 and 9 days, depending on your chosen route. The start/end points are often Phnom Penh/ Siem Reap and Ho Chi Minh City/ Can Tho.

• Shorter trips (4 - 6 days) focus on Phnom Penh and the Mekong Delta.
• Longer journeys (7 - 9 days) add explorations around Siem Reap with cultural stops.

1. Vietnam Visa

Vietnam has visa exemptions for British tourists for up to 45 days. 

2. Cambodia Visa 

British travelers need a Visa to enter Cambodia. Here are some options depending on your cruise direction:

Upstream Cruise

Your cruise line will assist with visa-on-arrival processing at the water border.

• Cost: 37.15 GBP - 55.75 GBP/person
• Required: Passport (valid for at least 6 months), 1 passport-size photo, cash for the visa fee.

Downstream Cruise

You will need to obtain a Visa on Arrival at one of Cambodia's international entry points.

• Available at: Major international airports (Phnom Penh, Siem Reap, Sihanoukville) and certain land borders.
• Validity: 30 days (Tourist Visa - T class)
• Requirements: Passport (at least 6 months validity), 01 passport-sized photo, Visa fee (around 22.29 GBP - 26.01 GBP), and completed visa application form (available at the airport/land border).

Here are the top Cambodia-Vietnam cruises, with the best price and UK travelers' reviews (the price does not include transfer service): 

• RV Mekong Navigator 8 days: Siem Reap - Saigon (from £1681/pax) 
• Heritage Line Jahan 8 days: Siem Reap - Saigon (from £1973/pax)
• RV Mekong Navigator 5 days: Phnom Penh - Saigon (from £1033/pax)
• Victoria Mekong 5 days: Phnom Penh - Saigon (from £827/pax)
• RV Mekong Princess 4 days: Phnom Penh - Can Tho (from £937/pax)

A Cambodia to Vietnam cruise typically costs from £111 to £278/person per day. The price varies based on the length of the voyage and the level of service provided. 

The following is the average price for various itineraries (excluding transfer fees): 

• 4 - 6 days: From £439 - £1,346/person.
• 7 - 9 days: From £1,125 - £1,934/person.

Here are some of the top things to do after you visit Vietnam (for 2 - 3 day stays).

Disembark in Saigon:

• Join a city tour: War Remnants Museum, Notre-Dame Cathedral, and Central Post Office.
• Shopping in Ben Thanh Market – local food and souvenirs.
• Explore Cu Chi Tunnels.
• Nguyen Hue Walking Street – lively at night.

Disembark in Can Tho:

• Cai Rang Floating Market – best early morning (start ~5–6 AM).
• Boat tour of small canals & fruit gardens.
• Ninh Kieu Wharf – riverside dining and walking.
• Ong Pagoda – a small but vibrant Chinese temple.