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Cheap flights from Boston to Singapore from S$ 505

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26-11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
28 marras — 5 joulu1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Boston Logan Intl to Singapore Changi are usually found in November or March, booked 77 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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Cheapest flights from Boston to Singapore
Explore the most affordable flight options available from Boston to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 lokakuu 2025.

ma 10-1100:30BOS - SIN
1 stop22h 25mCathay Pacific
ma 17-1120:15SIN - BOS
1 stop38h 45mCathay Pacific
Deal found 26-10S$ 1,111
ma 10-1100:30BOS - SIN
1 stop27h 20mCathay Pacific
to 13-1101:25SIN - BOS
1 stop33h 35mCathay Pacific
Deal found 27-10S$ 1,112
to 27-1111:59BOS - SIN
2 stops31h 01mUnited Airlines
pe 12-1222:20SIN - BOS
1 stop22h 16mUnited Airlines
Deal found 27-10S$ 1,135
su 9-1120:30BOS - SIN
1 stop34h 45mUnited Airlines
su 16-1122:20SIN - BOS
1 stop22h 46mUnited Airlines
Deal found 28-10S$ 1,137
la 8-1119:38BOS - SIN
2 stops35h 37mUnited Airlines
ke 19-1122:20SIN - BOS
2 stops25h 18mUnited Airlines
Deal found 28-10S$ 1,142
to 6-1100:30BOS - SIN
1 stop22h 25mCathay Pacific
la 22-1120:15SIN - BOS
1 stop38h 45mCathay Pacific
Deal found 27-10S$ 1,143
su 30-1115:40BOS - SIN
1 stop28h 55mEtihad Airways
ke 10-1219:25SIN - BOS
1 stop31h 45mEtihad Airways
Deal found 28-10S$ 1,144
to 6-1106:00BOS - SIN
1 stop25h 15mUnited Airlines
la 22-1122:20SIN - BOS
1 stop39h 28mUnited Airlines
Deal found 28-10S$ 1,148
ti 4-1100:30BOS - SIN
1 stop29h 45mCathay Pacific
su 9-1110:00SIN - BOS
1 stop25h 00mCathay Pacific
Deal found 26-10S$ 1,175
ti 4-1100:30BOS - SIN
1 stop26h 15mCathay Pacific
to 13-1120:15SIN - BOS
1 stop38h 45mCathay Pacific
Deal found 28-10S$ 1,177
su 2-1105:00BOS - SIN
2 stops29h 55mUnited Airlines
ma 17-1122:20SIN - BOS
2 stops27h 24mUnited Airlines
Deal found 27-10S$ 1,179

Cheap flight deals from Boston to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 lokakuu 2025.

Round-trip from

S$ 1,111

One-way from

S$ 505

Popular in

December

Cheapest in

November

Average price

S$ 1,288
Cathay Pacific
  • Cathay Pacific
  • 8-2-15-2
  • 2 total stops
  • 63h 20m total
  • Boston to Singapore
Search Deals
Korean Air
  • Korean Air
  • 26-11
  • 2 total stops
  • 33h 55m total
  • Boston to Singapore
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (S$ 300 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (S$ 156 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 29 lokakuu 2025.
Use the filters below to find and compare flights from Boston to Singapore that are best for you.

Fly from

Boston

Fly to

Singapore

Route

Depart

Return

Price

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

ke 28-1

06:00-20:25

2 stops49h 25m

Singapore Changi

su 10-5

01:10-16:37

2 stops27h 27m

S$ 1,117

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

ke 28-1

06:00-20:25

2 stops49h 25m

Singapore Changi

ti 12-5

22:30-22:47

2 stops36h 17m

S$ 1,117

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

ti 27-1

06:00-20:25

2 stops49h 25m

Singapore Changi

su 10-5

01:10-16:37

2 stops27h 27m

S$ 1,117

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

ma 26-1

06:00-20:25

2 stops49h 25m

Singapore Changi

ti 12-5

22:30-22:47

2 stops36h 17m

S$ 1,117

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

ma 26-1

20:50-20:25

2 stops58h 35m

Singapore Changi

ke 13-5

07:30-15:09

2 stops43h 39m

S$ 1,124

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

su 25-1

17:05-20:25

2 stops62h 20m

Singapore Changi

ti 12-5

22:30-22:47

2 stops36h 17m

S$ 1,124

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

su 9-11

20:30-20:15

1 stop34h 45m

Singapore Changi

su 16-11

22:20-08:06

1 stop22h 46m

S$ 1,137

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

ti 11-11

09:40-08:00

2 stops33h 20m

Singapore Changi

la 15-11

22:20-08:06

1 stop22h 46m

S$ 1,142

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

su 1-2

07:55-20:15

1 stop47h 20m

Singapore Changi

su 22-2

22:20-10:49

2 stops25h 29m

S$ 1,153

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

to 26-2

05:35-06:55

2 stops36h 20m

Singapore Changi

su 15-3

22:20-21:53

2 stops35h 33m

S$ 1,155

Flights are sorted by cheapest return flights first.

Deals found on 28-10

Showing 1-10 of 19 results
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Best time to book a flight from Boston to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Boston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Singapore

How far ahead should I book a flight from Boston to Singapore?

Use this chart to determine the optimal time to book a return flight from Boston to Singapore. Price data was last updated on 24 October 2025.

The price you pay for your flight from Boston to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to Singapore?

Currently, March is the cheapest month in which you can book a flight from Boston to Singapore (average of S$ 1,003). Flying from Boston to Singapore in December is currently the most expensive (average of S$ 1,535). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SIN?

Find hourly flight availability from Boston to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 lokakuu 2025.

It’s optimal to fly from Boston to Singapore in the afternoon. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Boston to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Singapore?

    Departing from Boston to Singapore will take you 49h 25m. The distance between Boston and Singapore is about 15117 km.

  • Can I find deals for flights from Boston to Singapore that include hotel bookings?

    Yes. In addition to deals on Boston to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Singapore.

  • Can I find deals for business class flights from Boston to Singapore?

    Yes. Cheapflights offers flight deals from Boston to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Singapore?

    Currently, March is the cheapest month in which you can book a flight from Boston to Singapore (average of S$ 1,003). Flying from Boston to Singapore in December is currently the most expensive (average of S$ 1,535). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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When you search for this flight from Boston to Singapore, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to Singapore?

Cheapflights helps you find that perfect flight to Singapore from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boston to Singapore with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Singapore, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to Singapore become cheaper?

Yes, Cheapflights offers price alerts on Boston to Singapore flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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