Cheap flights from Boston to Singapore from S$ 541

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 25-9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Boston Logan Intl to Singapore Changi are usually found in November or September, booked 73 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 12 September 2025.

Round-trip from

S$ 959

One-way from

S$ 541

Popular in

December

Cheapest in

November

Average price

S$ 1,225
Turkish Airlines
  • Turkish Airlines
  • 21-10-18-11
  • 2 total stops
  • 64h 00m total
  • Boston to Singapore
United Airlines
  • United Airlines
  • 25-9
  • 1 total stop
  • 24h 25m total
  • Boston to Singapore
Highest demand for flights based on searches. 10% potential increase in price (S$ 236 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (S$ 132 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Boston to Singapore

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 12 September 2025.

Tue 21-1021:35BOS - SIN
1 stop32h 20mTurkish Airlines
Tue 18-1123:25SIN - BOS
1 stop31h 40mTurkish Airlines
Deal found 10-9S$ 959
Sun 19-1021:35BOS - SIN
1 stop32h 20mTurkish Airlines
Fri 31-1011:40SIN - BOS
1 stop43h 25mTurkish Airlines
Deal found 10-9S$ 983
Mon 15-921:35BOS - SIN
1 stop32h 20mTurkish Airlines
Thu 25-923:10SIN - BOS
1 stop32h 30mTurkish Airlines
Deal found 10-9S$ 1,007
Mon 6-1021:35BOS - SIN
1 stop32h 20mTurkish Airlines
Tue 21-1023:10SIN - BOS
1 stop32h 30mTurkish Airlines
Deal found 10-9S$ 1,016
Mon 13-1021:35BOS - SIN
1 stop32h 20mTurkish Airlines
Tue 21-1023:10SIN - BOS
1 stop32h 30mTurkish Airlines
Deal found 12-9S$ 1,029
Sun 12-1021:35BOS - SIN
1 stop32h 20mTurkish Airlines
Mon 27-1023:25SIN - BOS
1 stop31h 40mTurkish Airlines
Deal found 11-9S$ 1,030
Wed 15-1021:35BOS - SIN
1 stop23h 10mTurkish Airlines
Wed 22-1023:10SIN - BOS
1 stop32h 30mTurkish Airlines
Deal found 12-9S$ 1,048
Sun 12-1021:35BOS - SIN
1 stop32h 20mTurkish Airlines
Tue 21-1005:10SIN - BOS
1 stop26h 30mTurkish Airlines
Deal found 12-9S$ 1,053
Sat 1-1121:00BOS - SIN
1 stop25h 00mTurkish Airlines
Tue 11-1123:25SIN - BOS
1 stop31h 40mTurkish Airlines
Deal found 11-9S$ 1,054
Wed 15-1021:35BOS - SIN
1 stop23h 10mTurkish Airlines
Thu 23-1005:10SIN - BOS
1 stop26h 30mTurkish Airlines
Deal found 12-9S$ 1,056
Mon 13-1021:35BOS - SIN
1 stop32h 20mTurkish Airlines
Thu 23-1005:10SIN - BOS
1 stop26h 30mTurkish Airlines
Deal found 12-9S$ 1,059

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 12 September 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

Thu 2-10

06:00-18:25

1 stop24h 25m

Singapore Changi

Thu 9-10

08:45-23:57

1 stop27h 12m

S$ 1,066

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 9-3

21:00-08:45

1 stop23h 45m

Singapore Changi

Thu 12-3

10:25-19:05

1 stop44h 40m

S$ 1,081

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 14-10

21:35-17:55

1 stop32h 20m

Singapore Changi

Thu 23-10

05:10-19:40

1 stop26h 30m

S$ 1,083

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 28-9

18:15-18:25

2 stops36h 10m

Singapore Changi

Fri 3-10

08:45-20:32

1 stop23h 47m

S$ 1,124

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 9-2

07:55-08:00

1 stop35h 05m

Singapore Changi

Mon 16-2

10:10-19:28

1 stop22h 18m

S$ 1,142

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 9-2

14:20-08:00

2 stops28h 40m

Singapore Changi

Thu 26-2

22:20-08:12

1 stop22h 52m

S$ 1,142

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 27-10

14:21-07:00

2 stops28h 39m

Singapore Changi

Thu 11-12

10:10-21:43

1 stop24h 33m

S$ 1,142

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 2-11

20:30-20:15

1 stop34h 45m

Singapore Changi

Mon 17-11

22:20-17:06

1 stop31h 46m

S$ 1,142

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 16-10

06:00-18:25

1 stop24h 25m

Singapore Changi

Mon 20-10

08:45-23:57

1 stop27h 12m

S$ 1,142

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 14-10

15:17-06:15

2 stops26h 58m

Singapore Changi

Wed 22-10

20:40-09:56

2 stops25h 16m

S$ 1,147

Flights are sorted by cheapest return flights first.

Deals found on 10-9

Showing 1-10 of 18 results
1
2

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 29 August 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 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 12 September 2025.

It’s optimal to fly from Boston to Singapore in the afternoon. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight in the morning.

How much does it cost for a return flight from Boston to Singapore?

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated 12 September 2025.
See what other customers who have flown with Delta from Boston to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 23h 45m. The distance between Boston and Singapore is about 15117 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Boston to Singapore round-trip?

    Currently priced at S$ 2,375, Delta will fly you from Boston to Singapore and back. In addition to Delta, many other airlines offer competitively priced options for your trip.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Boston to Singapore

Discover the top airline that operate flights from Boston to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestS$ 2,375AverageS$ 2,626FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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How does Cheapflights help users find flights from Boston to Singapore?

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?

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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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