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$404+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 March, booked 37 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 November 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/12. 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.
Wed 12/106:00 amBOS - SIN
2 stops29h 55mUnited Airlines
Wed 12/1710:20 pmSIN - BOS
2 stops26h 46mUnited Airlines
Deal found 11/12$1,017
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Fri 11/148:30 pmBOS - SIN
1 stop34h 45mUnited Airlines
Sun 11/2310:10 amSIN - BOS
2 stops27h 35mUnited Airlines
Deal found 11/12$1,019
This Ovago deal was found by Cheapflights users on 11/11. 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.
Thu 11/1312:30 amBOS - SIN
1 stop23h 35mCathay Pacific
Sat 11/221:25 amSIN - BOS
1 stop33h 35mCathay Pacific
Deal found 11/11$1,023
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 11/206:00 amBOS - SIN
1 stop25h 15mUnited Airlines
Fri 11/2810:10 amSIN - BOS
2 stops32h 46mUnited Airlines
Deal found 11/12$1,030
This oojo deal was found by Cheapflights users on 11/11. 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.
Wed 11/195:40 amBOS - SIN
2 stops35h 00mCathay Pacific
Wed 11/261:25 amSIN - BOS
1 stop33h 35mCathay Pacific
Deal found 11/11$1,054
This FlightHub deal was found by Cheapflights users on 11/12. 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.
Wed 12/108:00 pmBOS - SIN
1 stop25h 00mTurkish Airlines
Wed 12/1711:40 amSIN - BOS
1 stop43h 25mTurkish Airlines
Deal found 11/12$1,069
This oojo deal was found by Cheapflights users on 11/10. 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.
Tue 11/118:30 amBOS - SIN
2 stops38h 25mCathay Pacific
Mon 11/171:25 amSIN - BOS
1 stop33h 35mCathay Pacific
Deal found 11/10$1,072
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 12/46:00 amBOS - SIN
1 stop25h 15mUnited Airlines
Fri 12/1910:10 amSIN - BOS
2 stops27h 35mUnited Airlines
Deal found 11/12$1,087
This Ovago deal was found by Cheapflights users on 11/13. 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.
Fri 11/2812:30 amBOS - SIN
1 stop40h 10mCathay Pacific
Sat 12/131:25 amSIN - BOS
1 stop33h 35mCathay Pacific
Deal found 11/13$1,098
This Mytrip deal was found by Cheapflights users on 11/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:05 pmBOS - SIN
1 stop23h 45mMultiple Airlines
Sun 12/144:15 pmSIN - BOS
3 stops34h 55mMultiple Airlines
Deal found 11/13$1,101
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Fri 11/289:50 amBOS - SIN
2 stops33h 10mUnited Airlines
Sat 12/1310:20 pmSIN - BOS
2 stops25h 29mUnited Airlines
Deal found 11/12$1,116

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 November 13, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$986
(Kiwi.com)

One-way from

$404
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$946
Provider with most accurate pricing for Boston Logan Intl-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Singapore Changi flights.
Search Deals
From Boston Logan Intl to Singapore Changi
Search Deals
One-way flight from Boston Logan Intl to Singapore Changi
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 13, 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

Sun 1/11

5:45 am-6:55 am

3 stops60h 10m

Singapore Changi

Sun 1/18

10:20 pm-11:20 pm

2 stops38h 00m

$1,039

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 12/10

8:30 am-8:00 am

2 stops34h 30m

Singapore Changi

Wed 12/17

10:20 pm-7:36 am

1 stop22h 16m

$1,080

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 1/8

5:57 pm-8:15 pm

1 stop37h 18m

Singapore Changi

Sun 4/12

8:40 pm-10:33 am

2 stops25h 53m

$1,081

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 12/25

7:15 am-8:00 am

2 stops35h 45m

Singapore Changi

Thu 1/15

10:10 am-7:21 am

2 stops34h 11m

$1,272

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 2/7

12:30 am-11:55 am

1 stop22h 25m

Singapore Changi

Fri 2/13

1:25 am-11:28 pm

2 stops35h 03m

$1,386

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 1/1

7:15 am-8:00 am

2 stops35h 45m

Singapore Changi

Thu 1/15

10:20 pm-5:19 pm

2 stops31h 59m

$1,436

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 12/14

5:30 am-8:00 am

2 stops37h 30m

Singapore Changi

Mon 12/29

10:20 pm-2:44 pm

2 stops29h 24m

$1,506

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 12/13

4:40 pm-8:15 pm

2 stops38h 35m

Singapore Changi

Sun 12/28

10:45 am-6:48 pm

2 stops45h 03m

$1,515

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 12/28

12:20 pm-8:15 pm

1 stop42h 55m

Singapore Changi

Fri 1/16

10:10 am-9:42 pm

1 stop24h 32m

$1,598

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 12/11

6:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Sun 1/11

10:20 pm-7:39 pm

2 stops34h 19m

$1,599

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 19 results
1
2

Compare providers for flights from Boston to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Singapore in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Singapore flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Boston-Singapore flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Boston-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Singapore flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 November 7, 2025.

Booking 37 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, November is the cheapest month in which you can book a flight from Boston to Singapore (average of $765). Flying from Boston to Singapore in December is currently the most expensive (average of $1,193). 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 November 13, 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 5% 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.

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 November 13, 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
1,613 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Japan Airlines
8.3
Very good
1,613 reviews
Japan Airlines
8.3
Very good
1,613 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Cathay Pacific
7.6
Good
1,058 reviews
Japan Airlines
8.3
Very good
1,613 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Qatar Airways
7.4
Good
3,662 reviews
Japan Airlines
8.3
Very good
1,613 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
United Airlines
7.4
Good
9,017 reviews
Japan Airlines
8.3
Very good
1,613 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Turkish Airlines
7.3
Good
4,043 reviews
Japan Airlines
8.3
Very good
1,613 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.

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 $1,386, United Airlines 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 $765. Additional round-trip tickets that might be worth considering are offered by Korean Air and Air Canada, with the lowest prices starting at $809 and $832, respectively. Turkish Airlines is currently priced 35% 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 $54 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 Laleli Camii more than any other attractions. Taksim Square, Beyazit Meydani and Laleli Camii are located about 20.8 mi, 21.7 mi, and 21.5 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 $37 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, November is the cheapest month in which you can book a flight from Boston to Singapore (average of $765). Flying from Boston to Singapore in December is currently the most expensive (average of $1,193). 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.
Hartford to Singapore flights
Worcester to Singapore flights
Albany 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$765Average$923FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$809Average$1,022FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$832Average$1,776FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$837Average$1,297FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$858Average$1,072FlexibilityNo cancel feeOn-time72%
Japan AirlinesCheapest$875Average$1,016FlexibilityNo cancel feeOn-time79%
Etihad AirwaysCheapest$895Average$1,237FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$897Average$1,026FlexibilityNo cancel feeOn-time71%
DeltaCheapest$902Average$1,483FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$920Average$1,680FlexibilityNo cancel feeOn-time81%

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