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South-Eastern Asia — cheap flights destination
One-way and roundtrip flights from Bangkok

Flights to South-Eastern Asia in September 2026

DepartureTue, Sep 15± 15 days
Lowest fare
฿899Sep 28
Roundtrip from
฿1,695
Typical roundtrip
฿6,133
One way from ฿899 · Roundtrip from ฿1,695.
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Top deals
Phú Quốc฿3,287Surat Thani Province฿1,695Trat Province฿1,689Jakarta฿3,525Krabi฿1,955Chiang Mai฿2,177Chiang Rai Province฿1,986Nakhon Phanom Province฿2,001Nakhon Si Thammarat Province฿2,036Nha Trang฿4,234
Where to go

Where are the best-value flights to South-Eastern Asia?

Compare 53 destinations across South-Eastern Asia and choose the best fit for your dates and budget. 1,096 one-way fares from ฿899 · 20,494 roundtrips from ฿1,695. These results are for september 2026.

One way from
฿899
1,096 outbound-only options
Roundtrip from
฿1,695
20,494 complete trips
Typical roundtrip
฿6,133
Half cost less, half cost more
Destinations
53
Across 10 countries
Where
Depart
Depart
15d
Trip type
RETURN
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Best Deals

Roundtrip deals

20,517 fares · from ฿1,695

Outbound and return flights together in one total fare.

Show only roundtrip
Country

Vietnam

South-Eastern Asia · 5 cities

Weather27°Hot
Typical roundtrip฿5,326
Cheapest roundtrip฿3,287
฿5,326−38%
Sep 20 → Sep 25Save ฿2,039

Phú Quốc

Cheapest in September 2026

From฿3,287
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Nha Trang

Cheapest in September 2026

From฿4,234
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Da Nang

Cheapest in September 2026

From฿4,341
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Hanoi

Cheapest in September 2026

From฿4,899
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Ho Chi Minh City

Cheapest in September 2026

From฿4,919
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Country

Thailand

South-Eastern Asia · 21 cities

Weather28°Hot
Typical roundtrip฿2,702
Cheapest roundtrip฿1,695
฿2,702−37%
Sep 16 → Sep 22Save ฿1,007

Surat Thani Province

Cheapest in September 2026

From฿1,695
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Trat Province

Cheapest in September 2026

From฿3,213
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Krabi

Cheapest in September 2026

From฿1,955
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Chiang Mai

Cheapest in September 2026

From฿2,177
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Chiang Rai Province

Cheapest in September 2026

From฿1,986
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Nakhon Phanom Province

Cheapest in September 2026

From฿2,001
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Nakhon Si Thammarat Province

Cheapest in September 2026

From฿2,036
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Ubon Ratchathani Province

Cheapest in September 2026

From฿2,000
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Phuket City

Cheapest in September 2026

From฿2,177
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Buriram Province

Cheapest in September 2026

From฿3,176
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Udon Thani

Cheapest in September 2026

From฿2,121
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Trang

Cheapest in September 2026

From฿2,696
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Sukhothai Province

Cheapest in September 2026

From฿3,063
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Chumphon Province

Cheapest in September 2026

From฿2,282
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Phitsanulok

Cheapest in September 2026

From฿2,225
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Ko Samui

Cheapest in September 2026

From฿6,439
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Khon Kaen

Cheapest in September 2026

From฿1,952
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Hat Yai

Cheapest in September 2026

From฿2,578
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Pattaya

Cheapest in September 2026

From฿7,984
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Hua Hin District

Cheapest in September 2026

From฿6,592
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Nan Province

Cheapest in September 2026

From฿2,521
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Country

Indonesia

South-Eastern Asia · 5 cities

Weather28°Hot
Typical roundtrip฿10,075
Cheapest roundtrip฿6,545
฿10,075−35%
Sep 11 → Sep 28Save ฿3,530

Jakarta

Cheapest in September 2026

From฿6,545
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Praya, Lombok

Cheapest in September 2026

From฿13,547
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Surabaya

Cheapest in September 2026

From฿10,693
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Denpasar

Cheapest in September 2026

From฿10,913
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Medan

Cheapest in September 2026

From฿6,095
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Country

Malaysia

South-Eastern Asia · 5 cities

Weather27°Hot
Typical roundtrip฿7,970
Cheapest roundtrip฿5,899
฿7,970−26%
Sep 18 → Oct 6Save ฿2,071

Johor Bahru

Cheapest in September 2026

From฿5,899
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Kota Kinabalu

Cheapest in September 2026

From฿8,620
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Penang

Cheapest in September 2026

From฿5,336
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Langkawi

Cheapest in September 2026

From฿6,988
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Kuala Lumpur

Cheapest in September 2026

From฿5,439
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Country

Singapore

South-Eastern Asia · 1 city

Weather28°Hot
Typical roundtrip฿7,808
Cheapest roundtrip฿5,893
฿7,808−25%
Sep 25 → Oct 7Save ฿1,915

Singapore

Cheapest in September 2026

From฿5,893
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Country

Cambodia

South-Eastern Asia · 3 cities

Weather28°Hot
Typical roundtrip฿17,385
Cheapest roundtrip฿14,014
฿17,385−19%
Sep 10 → Sep 14Save ฿3,371

Sihanoukville Province

Cheapest in September 2026

From฿14,014
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Siem Reap

Cheapest in September 2026

From฿6,665
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Phnom Penh

Cheapest in September 2026

From฿4,722
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Country

Laos

South-Eastern Asia · 2 cities

Weather25°Warm
Typical roundtrip฿8,166
Cheapest roundtrip฿6,682
฿8,166−18%
Sep 12 → Sep 15Save ฿1,484

Luang Prabang

Cheapest in September 2026

From฿6,682
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Vientiane

Cheapest in September 2026

From฿6,428
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Country

Brunei

South-Eastern Asia · 1 city

Weather—
Typical roundtrip฿14,490
Cheapest roundtrip฿12,130
฿14,490−16%
Sep 28 → Oct 10Save ฿2,360

Bandar Seri Begawan

Cheapest in September 2026

From฿12,130
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Top 3 Deals

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One-way deals

1,098 fares · from ฿899

Outbound fare only — add a return separately if you need one.

Show only one way
Country

Thailand

South-Eastern Asia · 21 cities

Weather28°Hot
Typical one way฿2,654
Cheapest one-way fare฿1,689
฿2,654−36%
Sep 29Save ฿965

Trat Province

Cheapest in September 2026

From฿1,689
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Top 3 Deals

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Surat Thani Province

Cheapest in September 2026

From฿899
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Chiang Mai

Cheapest in September 2026

From฿1,118
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Chiang Rai Province

Cheapest in September 2026

From฿1,020
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Nakhon Phanom Province

Cheapest in September 2026

From฿1,071
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Krabi

Cheapest in September 2026

From฿1,074
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Nakhon Si Thammarat Province

Cheapest in September 2026

From฿1,077
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Phuket City

Cheapest in September 2026

From฿1,118
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Ubon Ratchathani Province

Cheapest in September 2026

From฿1,015
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Udon Thani

Cheapest in September 2026

From฿1,015
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Buriram Province

Cheapest in September 2026

From฿1,689
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Hua Hin District

Cheapest in September 2026

From฿3,100
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Phitsanulok

Cheapest in September 2026

From฿1,071
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Chumphon Province

Cheapest in September 2026

From฿1,183
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Pattaya

Cheapest in September 2026

From฿3,944
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Sukhothai Province

Cheapest in September 2026

From฿1,614
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Top 3 Deals

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Hat Yai

Cheapest in September 2026

From฿1,244
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Trang

Cheapest in September 2026

From฿1,351
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Nan Province

Cheapest in September 2026

From฿1,331
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Khon Kaen

Cheapest in September 2026

From฿1,035
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Ko Samui

Cheapest in September 2026

From฿3,899
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Country

Indonesia

South-Eastern Asia · 5 cities

Weather28°Hot
Typical one way฿5,404
Cheapest one-way fare฿3,525
฿5,404−35%
Sep 11Save ฿1,879

Jakarta

Cheapest in September 2026

From฿3,525
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Top 3 Deals

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Praya, Lombok

Cheapest in September 2026

From฿6,757
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Denpasar

Cheapest in September 2026

From฿5,271
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Surabaya

Cheapest in September 2026

From฿5,471
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Medan

Cheapest in September 2026

From฿3,830
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Country

Vietnam

South-Eastern Asia · 5 cities

Weather27°Hot
Typical one way฿2,641
Cheapest one-way fare฿1,755
฿2,641−34%
Sep 14Save ฿886

Phú Quốc

Cheapest in September 2026

From฿1,755
Show all Phú Quốc fares

Top 3 Deals

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Nha Trang

Cheapest in September 2026

From฿2,345
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Da Nang

Cheapest in September 2026

From฿2,207
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Ho Chi Minh City

Cheapest in September 2026

From฿2,723
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Top 3 Deals

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Hanoi

Cheapest in September 2026

From฿2,612
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Country

Singapore

South-Eastern Asia · 1 city

Weather28°Hot
Typical one way฿3,462
Cheapest one-way fare฿2,692
฿3,462−22%
Sep 25Save ฿770

Singapore

Cheapest in September 2026

From฿2,692
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Country

Malaysia

South-Eastern Asia · 4 cities

Weather27°Hot
Typical one way฿5,834
Cheapest one-way fare฿4,701
฿5,834−19%
Sep 14Save ฿1,133

Kota Kinabalu

Cheapest in September 2026

From฿4,701
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Penang

Cheapest in September 2026

From฿3,094
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Langkawi

Cheapest in September 2026

From฿4,158
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Kuala Lumpur

Cheapest in September 2026

From฿3,217
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Country

Brunei

South-Eastern Asia · 1 city

Weather—
Typical one way฿6,752
Cheapest one-way fare฿5,684
฿6,752−16%
Sep 28Save ฿1,068

Bandar Seri Begawan

Cheapest in September 2026

From฿5,684
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Top 3 Deals

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Country

Laos

South-Eastern Asia · 2 cities

Weather25°Warm
Typical one way฿4,070
Cheapest one-way fare฿3,481
฿4,070−14%
Sep 11Save ฿589

Luang Prabang

Cheapest in September 2026

From฿3,481
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Top 3 Deals

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Vientiane

Cheapest in September 2026

From฿3,546
Show all Vientiane fares

Top 3 Deals

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Country

Cambodia

South-Eastern Asia · 3 cities

Weather28°Hot
Typical one way฿8,041
Cheapest one-way fare฿6,995
฿8,041−13%
Sep 19Save ฿1,046

Sihanoukville Province

Cheapest in September 2026

From฿6,995
Show all Sihanoukville Province fares

Top 3 Deals

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Siem Reap

Cheapest in September 2026

From฿3,233
Show all Siem Reap fares

Top 3 Deals

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Phnom Penh

Cheapest in September 2026

From฿2,238
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Find the trip that fits

Compare prices, dates, airlines and travel time. Then choose the deal that feels right.

Destination map

Where you can go for South-Eastern Asia

The leading destinations shown by location. Larger dots mean more flight options.

Surat Thani ProvinceKhon KaenKrabiChiang Rai ProvinceUbon Ratchathani ProvinceNakhon Phanom Province
🇹🇭 Surat Thani Province · ฿1,695🇹🇭 Khon Kaen · ฿1,952🇹🇭 Krabi · ฿1,955🇹🇭 Chiang Rai Province · ฿1,986🇹🇭 Ubon Ratchathani Province · ฿2,000 Nakhon Phanom Province · ฿2,001🇹🇭 Nakhon Si Thammarat Province · ฿2,036🇹🇭 Udon Thani · ฿2,121

Where your money goes furthest

Cheapest destinations for South-Eastern Asia

Sorted by the lowest roundtrip fare. The typical price shows whether the cheapest result is common or unusual.

Cheapest destinations for South-Eastern Asia
DestinationLowestTypicalResultsNon-stop
1Surat Thani ProvinceThailand฿1,695฿2,072418100%
2Khon KaenThailand฿1,952฿2,037418100%
3KrabiThailand฿1,955฿2,367407100%
4Chiang Rai ProvinceThailand฿1,986฿2,449398100%
5Ubon Ratchathani ProvinceThailand฿2,000฿2,279395100%
6🌍Nakhon Phanom ProvinceThailand฿2,001฿2,478418100%
7Nakhon Si Thammarat ProvinceThailand฿2,036฿2,599418100%
8Udon ThaniThailand฿2,121฿2,419352100%
9Phuket CityThailand฿2,177฿2,471418100%
10Chiang MaiThailand฿2,177฿2,506418100%
11PhitsanulokThailand฿2,225฿2,515394100%
12Chumphon ProvinceThailand฿2,282฿2,433418100%

Typical prices

What do South-Eastern Asia roundtrips usually cost?

This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.

Half of the 20,494 prices fall inside the shaded band. This makes it easier to see whether the lowest fare is common or unusual.

Why go

Why travelers consider South-Eastern Asia

Tropical paradises, vibrant street food, and ancient temples across the Mekong and maritime Southeast Asia.

Explore related searches

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Common questions about South-Eastern Asia

What is the lowest available one-way fare for South-Eastern Asia?
The lowest available one-way fare is ฿899. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for South-Eastern Asia?
The lowest available roundtrip fare is ฿1,695. Check the dates, baggage and final total before booking.
What is a typical fare for South-Eastern Asia?
A typical fare is ฿6,133. Many available options sit between ฿2,822 and ฿9,988.
How many choices are available for South-Eastern Asia?
Choose from 20,494 roundtrip flights across 53 destinations in 10 countries.
Are direct flights available for South-Eastern Asia?
14,355 roundtrip flights are non-stop both ways. That is 70% of the current choices.
Which month has the lowest fares for South-Eastern Asia?
Sep 2026 has the lowest available roundtrip fare, from ฿1,695.
Which destination is cheapest for South-Eastern Asia?
Surat Thani Province starts at ฿1,695, with roundtrip fares usually around ฿2,072.
How long does the journey take for South-Eastern Asia?
A typical outbound journey takes 1h 40m. A typical roundtrip has 0 stops in total across both directions.