$99 Cheap Flights from Singapore (SIN) to Bangkok (DMK)

View $99 flight on Tue, Oct 28, 2025Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to Don Mueang Intl. Airport (DMK)

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Cheap Flights from Singapore to Bangkok (SIN-DMK)

Prices were available within the past 7 days and start at $99 for one-way flights and $174 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Lion Mantari
Tue, Oct 28 - Thu, Oct 30
SIN
Singapore
DMK
Bangkok
$174 Roundtrip, just found
$174
Roundtrip
just found
Select Thai Lion Mantari flight, departing Tue, Oct 28 from Singapore to Bangkok, returning Thu, Oct 30, priced at $174 just found
Thai Lion Mantari
Tue, Oct 21 - Fri, Oct 31
SIN
Singapore
DMK
Bangkok
$175 Roundtrip, found 2 days ago
$175
Roundtrip
found 2 days ago
Select Thai Lion Mantari flight, departing Tue, Oct 21 from Singapore to Bangkok, returning Fri, Oct 31, priced at $175 found 2 days ago
Thai Lion Mantari
Tue, Oct 28 - Sun, Nov 2
SIN
Singapore
DMK
Bangkok
$183 Roundtrip, just found
$183
Roundtrip
just found
Select Thai Lion Mantari flight, departing Tue, Oct 28 from Singapore to Bangkok, returning Sun, Nov 2, priced at $183 just found
Thai Lion Mantari
Tue, Oct 21 - Fri, Oct 31
SIN
Singapore
DMK
Bangkok
$185 Roundtrip, found 13 hours ago
$185
Roundtrip
found 13 hours ago
Select Thai Lion Mantari flight, departing Tue, Oct 21 from Singapore to Bangkok, returning Fri, Oct 31, priced at $185 found 13 hours ago
Thai Lion Mantari
Mon, Oct 27 - Sat, Nov 1
SIN
Singapore
DMK
Bangkok
$194 Roundtrip, just found
$194
Roundtrip
just found
Select Thai Lion Mantari flight, departing Mon, Oct 27 from Singapore to Bangkok, returning Sat, Nov 1, priced at $194 just found
Thai Lion Mantari
Sun, Oct 19 - Fri, Oct 24
SIN
Singapore
DMK
Bangkok
$204 Roundtrip, just found
$204
Roundtrip
just found
Select Thai Lion Mantari flight, departing Sun, Oct 19 from Singapore to Bangkok, returning Fri, Oct 24, priced at $204 just found
Thai Lion Mantari
Sun, Oct 19 - Fri, Oct 24
SIN
Singapore
DMK
Bangkok
$215 Roundtrip, just found
$215
Roundtrip
just found
Select Thai Lion Mantari flight, departing Sun, Oct 19 from Singapore to Bangkok, returning Fri, Oct 24, priced at $215 just found
Thai Lion Mantari
Sun, Oct 5 - Mon, Oct 6
SIN
Singapore
DMK
Bangkok
$215 Roundtrip, found 11 hours ago
$215
Roundtrip
found 11 hours ago
Select Thai Lion Mantari flight, departing Sun, Oct 5 from Singapore to Bangkok, returning Mon, Oct 6, priced at $215 found 11 hours ago
Thai Lion Mantari
Tue, Oct 28 - Sun, Nov 2
SIN
Singapore
DMK
Bangkok
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Thai Lion Mantari flight, departing Tue, Oct 28 from Singapore to Bangkok, returning Sun, Nov 2, priced at $217 just found
Thai Lion Mantari
Tue, Oct 14 - Sun, Oct 19
SIN
Singapore
DMK
Bangkok
$225 Roundtrip, just found
$225
Roundtrip
just found
Select Thai Lion Mantari flight, departing Tue, Oct 14 from Singapore to Bangkok, returning Sun, Oct 19, priced at $225 just found

Find the cheapest month to fly from Singapore (SIN) to Bangkok (DMK)

June is typically the cheapest month to fly

From $112 - $169 per traveler.

Graph displaying average flight prices per month

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Suvarnabhumi Intl. BKK. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $216
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city center23 min
Flights from $216
Flights from Singapore (SIN) to Bangkok (DMK)
Origin airport
Changi
Destination airport
Don Mueang Intl.
Airlines serving
Thai Lion Mantari
Roundtrip price
$174
Distance
898 mi
Average flight time
1 hour 32 mins

Singapore to Bangkok Flights

The cheapest times to fly from Singapore to Bangkok

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Singapore to Bangkok are during the month of October. You can find some of the cheapest flights from Singapore to Bangkok with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Singapore to Bangkok

Sunday is one of the best days to book for cheap flights from Singapore to Bangkok: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Singapore to Bangkok

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Singapore to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from $99 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Singapore to Bangkok flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Singapore to Bangkok airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK) cost?
You can pick up cheap return tickets starting at $155 from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a APG Airlines and Scoot flight leaving SIN on August 18 2025 and touching down at DMK. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SIN to DMK?
The cheapest flights from SIN to DMK are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK)?
Catch a nonstop flight with Thai AirAsia and travel straight from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK).
What is the cheapest airline that flies from SIN to DMK?
Travel from SIN to DMK with APG Airlines. This airline currently offers the cheapest one-way fare for this route, starting at $99. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SIN on October 1 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK)?
When departing from Changi Airport (SIN), you can take your pick from an average of 7 daily nonstop flights to Don Mueang Intl. Airport (DMK).
What are the most popular departure times for flights from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK)?
Flights between SIN and DMK are their busiest at 10 PM. If you'd like a quieter experience and potentially cheaper fares, choose a departure outside the usual busy windows.
What day of the week has the most flights from SIN to DMK?
If you travel on a Thursday, you'll get the greatest range of options for flights from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK).
What is the earliest flight from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK)?
The earliest flight out of Changi Airport (SIN) is at around 11:00AM UTC+8. Hop on this flight and you'll arrive at Don Mueang Intl. Airport (DMK) at approximately 12:25PM UTC+7. The total time in the air is 2h 25m.
How long does it take to fly from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK)?
The average flight time from SIN to DMK is 2 hours and 26 minutes, covering a distance of 900 mi.
What is the best time to fly from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK)?
To avoid possible delays on the Changi Airport (SIN) to Don Mueang Intl. Airport (DMK) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Bangkok from Changi Airport (SIN)?
You'll touch down at Suvarnabhumi Intl. Airport (BKK) or Don Mueang Intl. Airport (DMK) when traveling to Bangkok on a direct flight from Changi Airport (SIN).
Is it cheaper to buy a plane ticket from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK) last-minute?
Holding off until just before your trip to book a ticket from SIN to DMK often results in higher prices. While it's possible to find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary for the best chance of getting a bargain.
Is it cheaper to book a SIN to DMK flight and hotel package?
Compared with arranging flights and hotels separately, booking a SIN to DMK flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and select from our extensive range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Changi Airport (SIN) to Don Mueang Intl. Airport (DMK)?
It's usually possible to cancel or reschedule your SIN to DMK flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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Bangkok nearby Airports

Bangkok

Singapore to Suvarnabhumi Intl.
$109.71
Singapore to Don Mueang Intl.
$174.00
*Available to One Key members.