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$355+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
Feb 12 — Feb 191
Thu 2/12
Thu 2/19
1 adult, Economy
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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 January 13, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$994
(Delta)

One-way from

$355
(oojo)

Popular in

December

Cheapest in

November

Average price

$1,101
Provider with most accurate pricing for Boston Logan Intl-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Singapore Changi flights.
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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 ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 13, 2026.

This Delta deal was found by Cheapflights users on 1/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:15 am
BOS
-
SIN
2 stops33h 45m
Delta
Wed 4/1510:30 pm
SIN
-
BOS
2 stops34h 08m
Delta
Deal found 1/13$994
This Justfly.com deal was found by Cheapflights users on 1/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:00 pm
BOS
-
SIN
1 stop32h 35m
Turkish Airlines
Sun 2/2210:15 am
SIN
-
BOS
1 stop44h 50m
Turkish Airlines
Deal found 1/13$997
This Korean Air deal was found by Cheapflights users on 1/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:29 am
BOS
-
SIN
2 stops29h 41m
Korean Air
Sat 2/281:35 am
SIN
-
BOS
2 stops36h 34m
Korean Air
Deal found 1/12$999
This United Airlines deal was found by Cheapflights users on 1/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:15 pm
BOS
-
SIN
1 stop34h 20m
United Airlines
Tue 6/28:40 pm
SIN
-
BOS
1 stop23h 38m
United Airlines
Deal found 1/11$1,002
This Ovago deal was found by Cheapflights users on 1/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:00 pm
BOS
-
SIN
1 stop23h 45m
Turkish Airlines
Sat 2/2810:15 am
SIN
-
BOS
1 stop44h 50m
Turkish Airlines
Deal found 1/12$1,005
This United Airlines deal was found by Cheapflights users on 1/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:33 pm
BOS
-
SIN
2 stops36h 02m
United Airlines
Thu 6/48:45 am
SIN
-
BOS
2 stops33h 13m
United Airlines
Deal found 1/11$1,006
This oojo deal was found by Cheapflights users on 1/11. 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.
Fri 2/208:40 pm
BOS
-
SIN
1 stop29h 15m
Qatar Airways
Sun 3/18:15 pm
SIN
-
BOS
1 stop30h 40m
Qatar Airways
Deal found 1/11$1,010
This CheapOair deal was found by Cheapflights users on 1/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/168:00 pm
BOS
-
SIN
2 stops32h 20m
IndiGo
Sun 2/19:45 am
SIN
-
BOS
2 stops45h 20m
IndiGo
Deal found 1/11$1,012
This Korean Air deal was found by Cheapflights users on 1/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/86:55 am
BOS
-
SIN
2 stops52h 15m
Korean Air
Fri 2/2710:40 am
SIN
-
BOS
2 stops40h 35m
Korean Air
Deal found 1/12$1,013
This Ovago deal was found by Cheapflights users on 1/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:45 am
BOS
-
SIN
2 stops34h 10m
ANA
Tue 2/176:35 am
SIN
-
BOS
2 stops26h 21m
ANA
Deal found 1/12$1,014
This KAYAK deal was found by Cheapflights users on 1/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:00 pm
BOS
-
SIN
1 stop32h 35m
Turkish Airlines
Sun 3/110:15 am
SIN
-
BOS
1 stop44h 50m
Turkish Airlines
Deal found 1/12$1,015
This Mytrip deal was found by Cheapflights users on 1/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/268:00 pm
BOS
-
SIN
2 stops32h 20m
Multiple Airlines
Mon 2/24:35 pm
SIN
-
BOS
3 stops34h 35m
Multiple Airlines
Deal found 1/10$1,016

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 January 13, 2026.
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

Fri 2/27

11:09 am-8:00 am

2 stops31h 51m

Singapore Changi

Sun 3/15

10:10 am-5:51 am

2 stops31h 41m

$1,006

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 2/7

12:55 pm-12:10 am

2 stops46h 15m

Singapore Changi

Wed 2/25

10:30 pm-1:09 am

2 stops39h 39m

$1,006

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 2/19

7:19 pm-8:15 pm

2 stops35h 56m

Singapore Changi

Sun 3/1

10:20 pm-2:29 pm

2 stops29h 09m

$1,020

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 2/11

7:55 am-8:00 am

1 stop35h 05m

Singapore Changi

Thu 2/19

10:10 am-7:56 pm

1 stop22h 46m

$1,053

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 5/24

6:33 pm-6:35 pm

2 stops36h 02m

Singapore Changi

Sun 6/7

8:40 pm-10:33 am

2 stops25h 53m

$1,056

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 5/21

6:00 am-6:40 am

2 stops36h 40m

Singapore Changi

Tue 6/2

8:45 am-11:54 pm

2 stops27h 09m

$1,062

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 2/12

7:45 am-12:55 am

2 stops28h 10m

Singapore Changi

Tue 2/17

10:20 pm-5:02 pm

1 stop31h 42m

$1,065

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 5/21

6:00 am-6:40 am

2 stops36h 40m

Singapore Changi

Wed 6/3

8:45 am-9:24 am

2 stops36h 39m

$1,067

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 2/9

8:40 pm-8:45 am

1 stop23h 05m

Singapore Changi

Tue 2/17

7:30 pm-2:20 pm

2 stops31h 50m

$1,068

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 2/11

7:55 am-8:00 am

1 stop35h 05m

Singapore Changi

Sat 2/14

10:10 am-12:49 am

1 stop27h 39m

$1,103

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 24 results
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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 January.
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
business-class.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*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 January 9, 2026.

Booking 16 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, March is the cheapest month in which you can book a flight from Boston to Singapore (average of $763). Flying from Boston to Singapore in June is currently the most expensive (average of $1,127). 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.

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 January 13, 2026.
Read reviews from past customers who have flown Korean Air, 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.
Korean Air
8.4
Very good
1,187 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,187 reviews
Korean Air
8.4
Very good
1,187 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Cathay Pacific
7.6
Good
1,130 reviews
Korean Air
8.4
Very good
1,187 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Qatar Airways
7.4
Good
3,714 reviews
Korean Air
8.4
Very good
1,187 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,155 reviews
Korean Air
8.4
Very good
1,187 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Turkish Airlines
7.3
Good
4,165 reviews
Korean Air
8.4
Very good
1,187 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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 $1,006, United Airlines can have you in Singapore from Boston in 31h 51m. 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 $756. Additional round-trip tickets that might be worth considering are offered by Korean Air and Cathay Pacific, with the lowest prices starting at $764 and $789, respectively. Turkish Airlines is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Boston to Singapore one-way?

    One-way options have recently been found by users for as low as $409 on United Airlines. Other airlines that offer cheap prices include Korean Air from $420 and Turkish Airlines from $428 one-way.

  • 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 $53 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, Laleli Camii, and Beyazit Meydani more than any other attractions. Taksim Square, Laleli Camii and Beyazit Meydani are located about 20.8 mi, 21.5 mi, and 21.7 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 $33 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, March is the cheapest month in which you can book a flight from Boston to Singapore (average of $763). Flying from Boston to Singapore in June is currently the most expensive (average of $1,127). 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

Browse thousands of different options on Cheapflights for your next trip

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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
Albany 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 January 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$756Average$960FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$764Average$965FlexibilityNo cancel feeOn-time81%
Etihad AirwaysCheapest$789Average$1,182FlexibilityNo cancel feeOn-time75%
Cathay PacificCheapest$792Average$960FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$832Average$1,082FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$835Average$1,206FlexibilityNo cancel feeOn-time69%
DeltaCheapest$902Average$1,390FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$957Average$1,056FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$974Average$1,065FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$995Average$1,161FlexibilityNo cancel feeOn-time68%

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