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Flexible datesWhen is it cheapest?

Cheapest cruise-line fare we’ve captured per month, refreshed nightly. Tap a month to see those departures; an advisor confirms your exact price.

$3,241+low$3,685+typical$3,995+high
Holiday & school breaks
9-Night Mekong CruiseMekong

Emerald Cruises

9 nights in Southeast Asia

Aboard Emerald Harmony

Saigon → Siem Reap

↓ $349 this month10% Savings incl.

from$3,496pp · cruise fare≈ $388/night pp

Fares checked nightly

Sep 2026 – May 2028Next 17 Sep 2026 · 34 more
9-Night Mekong CruiseMekong

Emerald Cruises

9 nights in Southeast Asia

Aboard Emerald Harmony

Siem Reap → Saigon

↓ $349 this month10% Savings incl.

from$3,496pp · cruise fare≈ $388/night pp

Fares checked nightly

Sep 2026 – May 2028Next 23 Sep 2026 · 33 more
6-Night Mekong CruiseMekong

Emerald Cruises

6 nights in Southeast Asia

Aboard Emerald Harmony

Phnom Penh → Saigon

↓ $154 this month5% Savings incl.

from$3,241pp · cruise fare≈ $540/night pp

Fares checked nightly

Sep 2026 – May 2028Next 26 Sep 2026 · 30 more
7-Night Mekong CruiseMekong

Emerald Cruises

7 nights in Southeast Asia

Aboard Emerald Harmony

Saigon → Siem Reap

↓ $154 this month5% Savings incl.

from$3,241pp · cruise fare≈ $463/night pp

Fares checked nightly

Oct 2026 – May 2028Next 3 Oct 2026 · 29 more
15-Night Mekong CruiseMekong

Emerald Cruises

15 nights in Southeast Asia

Aboard Emerald Harmony

Saigon → Laem Chabang

↓ $349 this month10% Savings incl.

from$4,961pp · cruise fare≈ $331/night pp

Fares checked nightly

Sails monthly, Oct 2026 – Apr 2028
23-Night Mekong CruiseMekong

Emerald Cruises

23 nights in Southeast Asia

Aboard Emerald Harmony

Hanoi → Laem Chabang

Sails monthly, Sep 2026 – Apr 2028
13-Night Mekong CruiseMekong

Emerald Cruises

13 nights in Southeast Asia

Aboard Emerald Harmony

Hanoi → Saigon

↓ $299 this month10% Savings incl.

from$4,421pp · cruise fare≈ $340/night pp

Fares checked nightly

Sails monthly, Sep 2026 – May 2028
19-Night Mekong CruiseMekong

Emerald Cruises

19 nights in Southeast Asia

Aboard Emerald Harmony

Hanoi → Saigon

Sails monthly, Nov 2026 – Mar 2028
17-Night Mekong CruiseMekong

Emerald Cruises

17 nights in Southeast Asia

Aboard Emerald Harmony

Hanoi → Saigon

Sep 2026 – Apr 2028Next 29 Sep 2026 · 16 more
8-Night Mekong CruiseMekong

Emerald Cruises

8 nights in Southeast Asia

Aboard Emerald Harmony

Phnom Penh → Saigon

from$3,295pp · cruise fare≈ $412/night pp

Fares checked nightly

Dec 2026 – Dec 2027Next 19 Dec 2026 · 5 more
11-Night Mekong CruiseMekong

Emerald Cruises

11 nights in Southeast Asia

Aboard Emerald Harmony

Siem Reap → Saigon

↓ $299 this month10% Savings incl.

from$4,421pp · cruise fare≈ $402/night pp

Fares checked nightly

Dec 2026 – Dec 2027Next 16 Dec 2026 · 5 more
11-Night Mekong CruiseMekong

Emerald Cruises

11 nights in Southeast Asia

Aboard Emerald Harmony

Saigon → Siem Reap

↓ $299 this month10% Savings incl.

from$4,421pp · cruise fare≈ $402/night pp

Fares checked nightly

Dec 2026 – Dec 2027Next 26 Dec 2026 · 4 more
15-Night Mekong CruiseMekong

Emerald Cruises

15 nights in Southeast Asia

Aboard Emerald Harmony

Hanoi → Saigon

↓ $349 this month10% Savings incl.

from$4,961pp · cruise fare≈ $331/night pp

Fares checked nightly

Dec 2026 – Dec 2027Next 30 Dec 2026 · 5 more
8-Day Majestic Mekong CruiseAsia

Emerald Cruises

7 nights in Asia

Aboard Emerald Harmony

Phnom Penh → Ho Chi Minh City

from$3,945pp · cruise fare≈ $564/night pp

Fares checked nightly

Sails weekly, Sep 2026 – Nov 2026
10-Day Meandering Majestic Mekong CruiseAsia

Emerald Cruises

9 nights in Asia

Aboard Emerald Harmony

Phnom Penh → Ho Chi Minh City

Overnight in Phnom PenhRare itinerary

from$3,695pp · cruise fare≈ $411/night pp

Fares checked nightly

Sep 2026Next 17 Sep 2026
Enchanting Mekong and Siem ReapAsia

Emerald Cruises

10 nights in Asia

Aboard Emerald Harmony

Siem Reap → Ho Chi Minh City

↓ $374 this month10% Savings incl.

from$4,646pp · cruise fare≈ $465/night pp

Fares checked nightly

Sails weekly, Sep 2027 – Oct 2027
Enchanting Mekong and Siem ReapAsia

Emerald Cruises

12 nights in Asia

Aboard Emerald Harmony

Siem Reap → Ho Chi Minh City

↓ $349 this month10% Savings incl.

from$4,471pp · cruise fare≈ $373/night pp

Fares checked nightly

Sails monthly, Jul 2027 – Dec 2027
Wonders of Cambodia, Vietnam & the MekongAsia

Emerald Cruises

12 nights in Asia

Aboard Emerald Harmony

Siem Reap → Ho Chi Minh City

↓ $364 this month10% Savings incl.

from$5,006pp · cruise fare≈ $417/night pp

Fares checked nightly

Sails every two weeks, Sep 2026 – Dec 2026
Wonders of Cambodia, Vietnam & the MekongAsia

Emerald Cruises

14 nights in Asia

Aboard Emerald Harmony

Siem Reap → Ho Chi Minh City

Overnight in Siem ReapRare itinerary

from$5,520pp · cruise fare≈ $394/night pp

Fares checked nightly

Dec 2026 – Jul 2027Next 16 Dec 2026 · 2 more
Wonders of Vietnam, Cambodia & the MekongAsia

Emerald Cruises

14 nights in Asia

Aboard Emerald Harmony

Ho Chi Minh City → Siem Reap

↓ $370 this month10% Savings incl.

from$5,150pp · cruise fare≈ $368/night pp

Fares checked nightly

Dec 2026 – Aug 2027Next 26 Dec 2026 · 2 more
Treasures & Temples of Vietnam & CambodiaAsia

Emerald Cruises

16 nights: Ha Long Bay, Asia

Aboard Emerald Harmony

Hanoi → Ho Chi Minh City

↓ $364 this month10% Savings incl.

from$7,146pp · cruise fare≈ $447/night pp

Fares checked nightly

Sep 2026 – Jan 2027Next 19 Sep 2026 · 5 more
Treasures & Temples of Vietnam & CambodiaAsia

Emerald Cruises

18 nights: Ha Long Bay, Asia

Aboard Emerald Harmony

Hanoi → Ho Chi Minh City

Overnight in Hanoi
Dec 2026 – Aug 2027Next 30 Dec 2026 · 3 more
Grand Tour of Vietnam & CambodiaAsia

Emerald Cruises

20 nights: Ha Long Bay, Asia

Aboard Emerald Harmony

Hanoi → Ho Chi Minh City

Overnight in Hanoi

from$15,885pp · cruise fare≈ $794/night pp

Fares checked nightly

Sails every two weeks, Sep 2026 – Nov 2026
Indochina Mekong JourneyAsia

Emerald Cruises

22 nights: Ha Long Bay, Asia

Aboard Emerald Harmony

Hanoi → Ho Chi Minh City

Overnight in Hanoi
Nov 2026 – Feb 2028Next 22 Nov 2026 · 5 more
Grand Tour of Vietnam & CambodiaAsia

Emerald Cruises

22 nights: Ha Long Bay, Asia

Aboard Emerald Harmony

Hanoi → Siem Reap

Overnight in HanoiRare: Danang
Dec 2026 – Aug 2027Next 8 Dec 2026 · 2 more
Wonders of Japan, Vietnam and CambodiaEast Asia

Emerald Cruises

25 nights: Tokyo, East Asia

Aboard Emerald Harmony

Osaka → Siem Reap

↓ $339 this month10% Savings incl.

from$14,576pp · cruise fare≈ $583/night pp

Fares checked nightly

Oct 2026 – Apr 2027Next 30 Oct 2026 · 2 more
Wonders of Cambodia, Vietnam, and the Mekong with Celebrity Chef Chanthy YenAsia

Emerald Cruises

12 nights in Asia

Aboard Emerald Harmony

Ho Chi Minh City → Siem Reap

↓ $364 this month10% Savings incl.

from$5,006pp · cruise fare≈ $417/night pp

Fares checked nightly

Oct 2026Next 1 Oct 2026
18-Night Mekong CruiseMekong

Emerald Cruises

18 nights: Tokyo, Southeast Asia

Aboard Emerald Harmony

Kobe → Siem Reap

Rare itinerary
Oct 2026Next 6 Oct 2026
Grand Tour of Vietnam and Cambodia with Celebrity Chef Chanthy YenAsia

Emerald Cruises

20 nights: Ha Long Bay, Asia

Aboard Emerald Harmony

Hanoi → Siem Reap

Overnight in HanoiRare: Danang
Sep 2026Next 23 Sep 2026
Wonders of Japan, Vietnam and CambodiaAsia

Emerald Cruises

21 nights: Tokyo, Asia

Aboard Emerald Harmony

Osaka → Siem Reap

Overnight in OsakaRare: Asuka

from$15,885pp · cruise fare≈ $756/night pp

Fares checked nightly

Oct 2026Next 6 Oct 2026
22-Night Mekong CruiseMekong

Emerald Cruises

22 nights: Tokyo, Southeast Asia

Aboard Emerald Harmony

Kobe → Siem Reap

Rare itinerary
Oct 2026Next 30 Oct 2026