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

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
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Boston to Singapore

Keep the following information in mind while searching for Boston to Singapore flight deals. Data was last updated August 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
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One-way flight from Boston Logan Intl to Singapore
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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 August 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.
Mon 9/112:55 pmBOS - SIN
1 stop22h 45mKorean Air
Tue 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.
Sun 9/281:40 amBOS - SIN
1 stop22h 45mCathay Pacific
Sun 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.
Wed 11/1912:30 amBOS - SIN
1 stop22h 25mCathay Pacific
Mon 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.
Mon 11/1012:30 amBOS - SIN
1 stop22h 25mCathay Pacific
Sun 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.
Sun 8/311:40 amBOS - SIN
1 stop30h 55mCathay Pacific
Tue 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.
Mon 8/1810:32 amBOS - SIN
1 stop31h 43mUnited Airlines
Tue 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.
Mon 9/296:18 pmBOS - SIN
1 stop23h 57mUnited Airlines
Tue 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.
Wed 11/193:40 pmBOS - SIN
2 stops26h 20mAir Canada
Thu 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.
Wed 10/17:08 pmBOS - SIN
2 stops35h 17mUnited Airlines
Tue 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.
Sun 8/316:18 pmBOS - SIN
1 stop36h 07mUnited Airlines
Thu 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.
Mon 9/291:40 amBOS - SIN
1 stop22h 05mCathay Pacific
Sun 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 August 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

Mon 11/10

12:30 am-11:55 am

1 stop22h 25m

Singapore Changi

Sun 11/16

1:25 am-10:00 pm

1 stop33h 35m

$816

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 9/9

1:40 am-11:45 am

1 stop22h 05m

Singapore Changi

Sun 9/14

8:05 pm-11:00 pm

1 stop38h 55m

$817

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 8/31

1:40 am-8:35 pm

1 stop30h 55m

Singapore Changi

Tue 9/16

1:25 pm-11:00 pm

1 stop21h 35m

$817

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 11/18

11:00 am-8:00 am

1 stop32h 00m

Singapore Changi

Wed 12/3

10:20 pm-7:36 am

1 stop22h 16m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 11/17

11:00 am-8:00 am

1 stop32h 00m

Singapore Changi

Thu 11/27

10:10 am-7:24 pm

1 stop22h 14m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 11/16

8:30 pm-8:15 pm

1 stop34h 45m

Singapore Changi

Thu 11/27

10:10 am-7:24 pm

1 stop22h 14m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 11/19

6:00 am-8:15 pm

1 stop25h 15m

Singapore Changi

Thu 11/27

10:20 pm-8:06 am

1 stop22h 46m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 9/25

1:43 pm-6:15 am

1 stop28h 32m

Singapore Changi

Mon 10/6

8:45 am-11:59 pm

2 stops27h 14m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 9/30

8:15 am-6:15 am

1 stop34h 00m

Singapore Changi

Wed 10/15

8:40 pm-3:08 pm

1 stop30h 28m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 9/3

6:02 am-6:25 pm

1 stop24h 23m

Singapore Changi

Thu 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

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 SG?

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 August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Singapore as you normally would.

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 August 18, 2025.
Peruse reviews from past customers who have flown with Japan Airlines, Cathay Pacific, and Qatar Airways from Boston to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,549 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Comfort

8.2

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

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Comfort

8.2

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

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Comfort

8.2

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

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Comfort

8.2

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

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Comfort

8.2

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

Entertainment

7.8

Food

7.7

Boarding

8.4

Overall

8.3

Crew

8.7

Comfort

8.2

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.

  • What airport do you fly from for flights from Boston to Singapore?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Singapore. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • 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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 August 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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