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$421+ Cheap flights from Boston (BOS) to Singapore (SIN)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
1 adult, Economy
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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 Wednesday or Tuesday 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 agosto 18, 2025.

Round-trip from

$782
(oojo)

One-way from

$421
(Booking.com)

Popular in

December

Cheapest in

November

Average price

$1,080
From Boston Logan Intl to Singapore Changi
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One-way flight from Boston Logan Intl to Singapore Changi
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Highest demand for flights based on searches. 11% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($82 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 agosto 18, 2025.

This oojo deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/112:55 pmBOS - SIN
1 stop22h 45mKorean Air
mar. 9/1610:30 pmSIN - BOS
1 stop23h 40mKorean Air
Deal found 8/18$782
This CrystalTravel deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/281:40 amBOS - SIN
1 stop22h 45mCathay Pacific
dom. 10/121:50 amSIN - BOS
1 stop33h 10mCathay Pacific
Deal found 8/17$804
This Ovago deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1912:30 amBOS - SIN
1 stop22h 25mCathay Pacific
lun. 12/18:15 pmSIN - BOS
1 stop38h 45mCathay Pacific
Deal found 8/16$814
This Ovago deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1012:30 amBOS - SIN
1 stop22h 25mCathay Pacific
dom. 11/161:25 amSIN - BOS
1 stop33h 35mCathay Pacific
Deal found 8/15$816
This Ovago deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/311:40 amBOS - SIN
1 stop30h 55mCathay Pacific
mar. 9/161:25 pmSIN - BOS
1 stop21h 35mCathay Pacific
Deal found 8/18$817
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1810:32 amBOS - SIN
1 stop31h 43mUnited Airlines
mar. 9/28:40 pmSIN - BOS
1 stop32h 33mUnited Airlines
Deal found 8/17$821
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/296:18 pmBOS - SIN
1 stop23h 57mUnited Airlines
mar. 10/148:45 amSIN - BOS
2 stops27h 14mUnited Airlines
Deal found 8/17$827
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/193:40 pmBOS - SIN
2 stops26h 20mAir Canada
jue. 11/278:50 amSIN - BOS
2 stops37h 42mAir Canada
Deal found 8/17$830
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/17:08 pmBOS - SIN
2 stops35h 17mUnited Airlines
mar. 10/148:40 pmSIN - BOS
1 stop23h 37mUnited Airlines
Deal found 8/17$831
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/316:18 pmBOS - SIN
1 stop36h 07mUnited Airlines
jue. 9/48:45 amSIN - BOS
1 stop23h 23mUnited Airlines
Deal found 8/17$835
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/291:40 amBOS - SIN
1 stop22h 05mCathay Pacific
dom. 10/121:50 amSIN - BOS
1 stop33h 10mCathay Pacific
Deal found 8/17$836

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated agosto 18, 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

lun. 11/10

12:30 am-11:55 am

1 stop22h 25m

Singapore Changi

dom. 11/16

1:25 am-10:00 pm

1 stop33h 35m

$816

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

mar. 9/9

1:40 am-11:45 am

1 stop22h 05m

Singapore Changi

dom. 9/14

8:05 pm-11:00 pm

1 stop38h 55m

$817

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

dom. 8/31

1:40 am-8:35 pm

1 stop30h 55m

Singapore Changi

mar. 9/16

1:25 pm-11:00 pm

1 stop21h 35m

$817

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

mar. 11/18

11:00 am-8:00 am

1 stop32h 00m

Singapore Changi

mié. 12/3

10:20 pm-7:36 am

1 stop22h 16m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

lun. 11/17

11:00 am-8:00 am

1 stop32h 00m

Singapore Changi

jue. 11/27

10:10 am-7:24 pm

1 stop22h 14m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

dom. 11/16

8:30 pm-8:15 pm

1 stop34h 45m

Singapore Changi

jue. 11/27

10:10 am-7:24 pm

1 stop22h 14m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

mié. 11/19

6:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

jue. 11/27

10:20 pm-8:06 am

1 stop22h 46m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

jue. 9/25

1:43 pm-6:15 am

1 stop28h 32m

Singapore Changi

lun. 10/6

8:45 am-11:59 pm

2 stops27h 14m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

mar. 9/30

8:15 am-6:15 am

1 stop34h 00m

Singapore Changi

mié. 10/15

8:40 pm-3:08 pm

1 stop30h 28m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

mié. 9/3

6:02 am-6:25 pm

1 stop24h 23m

Singapore Changi

jue. 9/11

8:45 am-11:56 pm

1 stop27h 11m

$827

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 19 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 round-trip 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 round-trip flight from Boston to Singapore. Price data was last updated on August 8, 2025.

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Boston to Singapore (average of $996). Flying from Boston to Singapore in December is currently the most expensive (average of $1,684). 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 agosto 18, 2025.

One of the essential ways to save on airfare from Boston to Singapore is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 6% on airfare.

What is the cheapest day to fly from Boston to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Boston to Singapore. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Singapore flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Boston to Singapore?

Share of 1-stop round-trip flights from Boston to Singapore chosen by Cheapflights users in the past 12 months, using the same layover each way.

Istanbul (IST) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to Singapore on Cheapflights.

What’s the cheapest layover airport for flights from Boston to Singapore?

Average round-trip fare for 1-stop flights from Boston to Singapore, chosen by Cheapflights users in the past 12 months, with the same layover each way.

San Francisco (SFO) is the most affordable 1-stop option, with an average round-trip price of $920.

What’s the fastest layover option from Boston to Singapore?

Shortest average travel time for 1-stop one-way flights from Boston to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Hong Kong (HKG) have the shortest average one-way travel time for 1-stop routes: 22h 05m.

Which airport typically offers the quickest layover for flights from Boston to Singapore?

Average layover duration for 1-stop one-way flights from Boston to Singapore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 1h 51m.

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 agosto 18, 2025.
Read reviews from past customers who have flown Japan Airlines, Cathay Pacific, and Qatar Airways from Boston to Singapore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,549 reviews

Crew

8.7

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very good
1,549 reviews
Japan Airlines
8.3
Very good
1,549 reviews

Crew

8.7

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Cathay Pacific
7.6
Good
969 reviews
Japan Airlines
8.3
Very good
1,549 reviews

Crew

8.7

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Qatar Airways
7.4
Good
3,609 reviews
Japan Airlines
8.3
Very good
1,549 reviews

Crew

8.7

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
United Airlines
7.4
Good
8,925 reviews
Japan Airlines
8.3
Very good
1,549 reviews

Crew

8.7

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Turkish Airlines
7.3
Good
3,945 reviews
Japan Airlines
8.3
Very good
1,549 reviews

Crew

8.7

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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?

    For as low as $816, Cathay Pacific can have you in Singapore from Boston in 22h 25m. Airlines will cover a distance of 9393 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to Singapore round-trip?

    Flying on Turkish Airlines is currently your cheapest option to Singapore, with prices starting at $761. Additional round-trip tickets that might be worth considering are offered by Korean Air and Air Canada, with the lowest prices starting at $819 and $832, respectively. Turkish Airlines is currently priced 36% below the average price you’ll pay for this route.

  • Where are the most common layover locations when flying from Boston to Singapore?

    Boston to Singapore flights have a layover in Hong Kong most of the time. Tokyo sees the second most layovers for non-direct flights flying from Boston to Singapore. Istanbul comes next as the third most popular layover location for Boston to Singapore flights.

  • What are some popular things to do or see while on a layover in Hong Kong?

    Most Hong Kong visitors opt to spend their time experiencing Hong Kong Disneyland, Shatin Baptist Church, and Fa Yeun Street Market. Hong Kong Disneyland, Shatin Baptist Church, and Fa Yeun Street Market can be accessed by traveling approximately 7.8 mi, 18.3 mi, and 16.2 mi, respectively from Hong Kong Intl.

  • What are some popular points of interest to see during a layover in Tokyo?

    Tokyo travelers tend to visit Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower more than any other notable places. Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower can be accessed by traveling approximately 34.6 mi, 35.3 mi, and 36.7 mi, respectively from Tokyo Narita. Travelers can rent a car at Tokyo Narita for an average daily rate of $64 to make sightseeing during their layover a little easier.

  • What are points of interest worth seeing during a layover in Istanbul?

    Istanbul travelers tend to visit Taksim Square, Beyazit Meydani, and Sultan Ahmet Camii more than any other attractions. Taksim Square, Beyazit Meydani and Sultan Ahmet Camii are located about 20.8 mi, 21.7 mi, and 22.3 mi, respectively from Istanbul if you are interested in checking them out. Travelers can rent a car at Istanbul for an average daily rate of $51 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Boston to Singapore flights?

    Boston to Singapore flights that have layovers will least frequently stop in Doha. Doha is followed by Seoul in terms of the least popular layover location on flights from Boston to Singapore. San Francisco sees the third fewest flights with layovers for the Boston to Singapore route.

  • 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 vacation 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, October is the cheapest month in which you can book a flight from Boston to Singapore (average of $996). Flying from Boston to Singapore in December is currently the most expensive (average of $1,684). 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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Alternative routes for Boston to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Albany to Singapore flights
Hartford to Singapore flights
Worcester to Singapore flights

Top 10 airlines flying from Boston to Singapore

Discover the top 10 airlines 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 2,558,603 searches. Data last updated agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$761Average$900FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$819Average$1,015FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$832Average$1,776FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$856Average$1,328FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$866Average$981FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$871Average$1,147FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$897Average$1,026FlexibilityNo cancel feeOn-time71%
DeltaCheapest$907Average$1,620FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$920Average$1,680FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$960Average$1,151FlexibilityNo cancel feeOn-time68%

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