Home > Tours > Asia Tours > South East Asia Tours > September 2025

South East Asia Tours Starting In September 2025

If you're looking at joining a tour to South East Asia in September 2025, we have 229 unique river cruises, adventures and guided tours with 15,294 departures from the world's leading tour operators departing in September.
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Departures (September 2025)
< August 2025 October 2025 >
Duration
3 Days
50 Days
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Price
$200pp
$36,935pp
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229 Trips (15,294 Trip Departures)
Featured11 Day A Taste of Vietnam with Travelmarvel
Tour
 (1)

11 Days Hanoi to Ho Chi Minh City
Operated By: Travelmarvel
Departures: Jul 2024 to Mar 2026
Trip Styles: Coach, Group, Scenic
Countries Visited: Vietnam
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12 Day Essential Vietnam and Cambodia with Travelmarvel
River Cruise
 (6)

12 Days Siem Reap to Ho Chi Minh City
Operated By: Travelmarvel
Ships: RV Apsara
Departures: Jul 2024 to Mar 2026
Rivers: Mekong
Countries Visited: Cambodia, Vietnam
Exclusive Deal
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From 3,665
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10 Day Classic Vietnam: Hanoi to Ho Chi Minh City with G Adventures
Tour

10 Days Hanoi to Ho Chi Minh City
Operated By: G Adventures
Departures: May 2024 to Jan 2026
Trip Styles: Adventure, Small Group
Countries Visited: Vietnam
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13 Day Vietnam and Cambodia Highlights with APT
River Cruise
 (2)

13 Days Siem Reap to Ho Chi Minh City
Operated By: APT
Ships: Mekong Serenity
Departures: Jul 2024 to Apr 2026
Rivers: Mekong
Countries Visited: Cambodia, Vietnam
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17 Day Discover Vietnam and Cambodia with Travelmarvel
River Cruise
 (5)

17 Days Hanoi to Ho Chi Minh City
Operated By: Travelmarvel
Ships: RV Apsara
Departures: Jul 2024 to Mar 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
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12 Day Essential Vietnam and Cambodia with Travelmarvel
River Cruise
 (14)

12 Days Ho Chi Minh City to Siem Reap
Operated By: Travelmarvel
Ships: RV Apsara
Departures: Jul 2024 to Mar 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
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8 Day Majestic Mekong Cruise with Travelmarvel
River Cruise
 (7)

8 Days Ho Chi Minh City to Siem Reap
Operated By: Travelmarvel
Ships: RV Apsara
Departures: Jul 2024 to Mar 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
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13 Day Vietnam and Cambodia Highlights with APT
River Cruise
 (7)

13 Days Ho Chi Minh City to Siem Reap
Operated By: APT
Ships: Mekong Serenity
Departures: Jul 2024 to Apr 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
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8 Day Borneo – East Sabah Adventure with G Adventures
Tour
 (3)

8 Days Kota Kinabalu to Kota Kinabalu
Operated By: G Adventures
Departures: May 2024 to Dec 2026
Trip Styles: Adventure, Small Group
Countries Visited: Malaysia
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From 2,057
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11 Day Spiritual Cambodia and The Mekong with APT
River Cruise

11 Days Siem Reap to Ho Chi Minh City
Operated By: APT
Ships: Mekong Serenity
Departures: Jul 2024 to Apr 2026
Rivers: Mekong
Countries Visited: Cambodia, Vietnam
Exclusive Deal
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From 5,645
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8 Day Mekong Discovery with Avalon River Cruises
River Cruise
 (2)

8 Days Phnom Penh to Ho Chi Minh City
Operated By: Avalon River Cruises
Ship: Avalon Saigon
Departures: Aug 2024 to Dec 2025
Rivers: Mekong
Countries Visited: Cambodia, Vietnam
Exclusive DealEarlybird Offer
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10 Day Very Vietnam with On The Go Tours
Tour
 (1)

10 Days Hanoi to Ho Chi Minh City
Operated By: On The Go Tours
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, Scenic
Countries Visited: Vietnam
Exclusive Deal
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From 1,803
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20 Day Wonders of Vietnam and Cambodia with Travelmarvel
River Cruise
 (8)

20 Days Hanoi to Siem Reap
Operated By: Travelmarvel
Ships: RV Apsara
Departures: Jul 2024 to Mar 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
Save 2,414
From 6,935
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15 Day Bali Experience 15 Day with Intro Travel
Tour
 (6)

15 Days Seminyak to Seminyak
Operated By: Intro Travel
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, 18-30's, Scenic
Countries Visited: Indonesia
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From 2,841
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12 Day Bali Intro with Intro Travel
Tour
 (6)

12 Days Canggu to Ubud
Operated By: Intro Travel
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, 18-30's, Scenic
Countries Visited: Indonesia
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15 Day Highlights of Vietnam & Cambodia with Explore!
Tour
 (6)

15 Days Hanoi to Siem Reap
Operated By: Explore!
Departures: Oct 2024 to Dec 2025
Trip Styles: Adventure, Small Group
Countries Visited: Vietnam, Cambodia
Asia Sale
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From 3,998
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21 Day Best of Vietnam and Cambodia with APT
River Cruise
 (5)

21 Days Hanoi to Siem Reap
Operated By: APT
Ships: Mekong Serenity
Departures: Jul 2024 to Apr 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
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From 10,796
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9 Day Bali Intro with Intro Travel
Tour
 (4)

9 Days Canggu to Gili Islands
Operated By: Intro Travel
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, 18-30's, Scenic
Countries Visited: Indonesia
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10 Day Cambodia Intro with Intro Travel
Tour
 (4)

10 Days Phnom Penh to Siem Reap
Operated By: Intro Travel
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, 18-30's, Scenic
Countries Visited: Cambodia
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21 Day Best of Vietnam and Cambodia with APT
River Cruise
 (3)

21 Days Ho Chi Minh City to Ho Chi Minh City
Operated By: APT
Ships: Mekong Serenity
Departures: Jul 2024 to Apr 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
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From 11,192
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18 Day Thai Intro with Intro Travel
Tour
 (3)

18 Days Bangkok to Chiang Mai
Operated By: Intro Travel
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, 18-30's, Scenic
Countries Visited: Thailand
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21 Day Vietnam & Cambodia with Intro Travel
Tour
 (3)

21 Days Hanoi to Siem Reap
Operated By: Intro Travel
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, 18-30's, Scenic
Countries Visited: Vietnam, Cambodia
Exclusive Savings
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17 Day Vietnam and Cambodia Discovery with APT
River Cruise
 (3)

17 Days Hanoi to Siem Reap
Operated By: APT
Ships: Mekong Serenity
Departures: Jul 2024 to Apr 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
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From 9,112
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25 Day Vietnam and Cambodia Grand Tour with APT
River Cruise
 (3)

25 Days Hanoi to Siem Reap
Operated By: APT
Ships: Mekong Serenity
Departures: Jul 2024 to Mar 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
Save 4,119
From 13,074
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9 Day Vietnam Intro with Intro Travel
Tour
 (3)

9 Days Hanoi to Hoi An
Operated By: Intro Travel
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, 18-30's, Scenic
Countries Visited: Vietnam
Exclusive Savings
Save 40
From 1,567
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16 Day Discover Vietnam and Cambodia with Travelmarvel
River Cruise
 (2)

16 Days Hanoi to Siem Reap
Operated By: Travelmarvel
Ships: RV Apsara
Departures: Jul 2024 to Mar 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
Save 2,204
From 5,646
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17 Day Essential Vietnam & Cambodia with G Adventures
Tour
 (2)

17 Days Hanoi to Bangkok
Operated By: G Adventures
Departures: May 2024 to Jan 2026
Trip Styles: Adventure, Small Group
Countries Visited: Vietnam, Thailand, Cambodia
Exclusive Deal
Save 754
From 2,058
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8 Day Mekong Discovery with Avalon River Cruises
River Cruise
 (2)

8 Days Ho Chi Minh City to Phnom Penh
Operated By: Avalon River Cruises
Ship: Avalon Saigon
Departures: Aug 2024 to Nov 2025
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive DealEarlybird Offer
Save 2,849
From 4,494
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12 Day Thai Intro with Intro Travel
Tour
 (2)

12 Days Bangkok to Ko Phi Phi
Operated By: Intro Travel
Departures: May 2024 to Dec 2025
Trip Styles: Small Group, 18-30's, Scenic
Countries Visited: Thailand
Exclusive Savings
Save 43
From 1,714
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15 Day Timeless Wonders of Vietnam, Cambodia & the Mekong with Uniworld River Cruises
River Cruise
 (2)

15 Days Hanoi to Ho Chi Minh City
Ships: Mekong Jewel
Departures: Sep 2024 to Dec 2025
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Earlybird Saving
Save 1,435
From 10,783
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17 Day Vietnam and Cambodia Discovery with APT
River Cruise
 (2)

17 Days Hanoi to Ho Chi Minh City
Operated By: APT
Ships: Mekong Serenity
Departures: Jul 2024 to Apr 2026
Rivers: Mekong
Countries Visited: Vietnam, Cambodia
Exclusive Deal
Save 4,080
From 9,409
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