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$408+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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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 November 4, 2025.

This United Airlines deal was found by Cheapflights users on 11/1. 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 11/2610:20 amBOS - SIN
3 stops56h 40mUnited Airlines
Sun 11/3010:20 pmSIN - BOS
2 stops34h 35mUnited Airlines
Deal found 11/1$901
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/67:30 amBOS - SIN
2 stops28h 25mUnited Airlines
Sat 11/2210:10 amSIN - BOS
1 stop27h 38mUnited Airlines
Deal found 11/3$906
This oojo deal was found by Cheapflights users on 11/2. 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 11/512:30 amBOS - SIN
1 stop29h 45mCathay Pacific
Sat 11/224:45 pmSIN - BOS
1 stop42h 15mCathay Pacific
Deal found 11/2$908
This oojo deal was found by Cheapflights users on 11/2. 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 11/1012:30 amBOS - SIN
1 stop27h 20mCathay Pacific
Sun 11/161:25 amSIN - BOS
1 stop33h 35mCathay Pacific
Deal found 11/2$918
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/146:00 amBOS - SIN
1 stop25h 15mUnited Airlines
Sun 11/2310:20 pmSIN - BOS
2 stops30h 50mUnited Airlines
Deal found 11/3$932
This oojo deal was found by Cheapflights users on 11/2. 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.
Sun 11/912:30 amBOS - SIN
1 stop40h 10mCathay Pacific
Tue 11/188:15 pmSIN - BOS
1 stop38h 45mCathay Pacific
Deal found 11/2$933
This oojo deal was found by Cheapflights users on 11/2. 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 12/38:00 pmBOS - SIN
1 stop32h 35mTurkish Airlines
Thu 12/185:15 amSIN - BOS
1 stop25h 50mTurkish Airlines
Deal found 11/2$944
This oojo deal was found by Cheapflights users on 11/2. 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.
Thu 11/612:30 amBOS - SIN
1 stop22h 25mCathay Pacific
Sat 11/227:40 amSIN - BOS
1 stop27h 20mCathay Pacific
Deal found 11/2$958
This Gotogate deal was found by Cheapflights users on 11/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:00 pmBOS - SIN
2 stops32h 20mMultiple Airlines
Tue 11/257:25 pmSIN - BOS
1 stop31h 45mMultiple Airlines
Deal found 11/2$963
This CheapOair deal was found by Cheapflights users on 11/3. 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.
Mon 11/178:00 pmBOS - SIN
2 stops32h 20mIndiGo
Fri 11/2111:15 amSIN - BOS
2 stops43h 50mIndiGo
Deal found 11/3$974

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 November 4, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$900
(United Airlines)

One-way from

$408
(Korean Air)

Popular in

December

Cheapest in

November

Average price

$959
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
Search Deals
One-way flight from Boston Logan Intl to Singapore
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($87 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 4, 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 1/12

9:30 am-6:55 am

2 stops32h 25m

Singapore Changi

Fri 1/30

6:35 am-9:42 pm

2 stops28h 07m

$900

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 11/26

10:20 am-8:00 am

3 stops56h 40m

Singapore Changi

Sun 11/30

10:20 pm-7:55 pm

2 stops34h 35m

$901

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 2/14

5:50 pm-8:15 pm

1 stop37h 25m

Singapore Changi

Mon 2/23

10:10 am-11:57 pm

2 stops26h 47m

$903

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 1/11

12:45 pm-6:55 am

2 stops29h 10m

Singapore Changi

Tue 1/27

10:10 am-9:42 pm

1 stop24h 32m

$903

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 1/10

12:30 am-4:50 pm

1 stop27h 20m

Singapore Changi

Sat 1/24

1:25 am-10:00 pm

1 stop33h 35m

$909

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 1/11

8:00 pm-8:45 am

1 stop23h 45m

Singapore Changi

Sun 1/25

10:25 am-6:05 pm

1 stop44h 40m

$921

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 1/11

10:30 am-6:55 am

2 stops31h 25m

Singapore Changi

Sat 1/31

10:10 am-9:42 pm

1 stop24h 32m

$937

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 2/9

12:45 pm-8:25 pm

2 stops42h 40m

Singapore Changi

Sun 2/15

1:35 am-3:00 pm

2 stops26h 25m

$942

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 2/14

7:19 pm-8:15 pm

2 stops35h 56m

Singapore Changi

Sat 2/21

10:10 am-7:58 am

1 stop34h 48m

$942

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 2/14

7:00 am-5:00 am

2 stops33h 00m

Singapore Changi

Mon 2/23

10:40 am-6:14 am

2 stops32h 34m

$992

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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, March is the cheapest month in which you can book a flight from Boston to Singapore (average of $775). Flying from Boston to Singapore in December is currently the most expensive (average of $1,176). 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 November 4, 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 11% 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 Tuesday afternoons 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 4, 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
1,602 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
1,602 reviews
Japan Airlines
8.3
Very good
1,602 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
1,050 reviews
Japan Airlines
8.3
Very good
1,602 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
3,660 reviews
Japan Airlines
8.3
Very good
1,602 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
8,998 reviews
Japan Airlines
8.3
Very good
1,602 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
4,038 reviews
Japan Airlines
8.3
Very good
1,602 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.

  • 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 $900, United Airlines can have you in Singapore from Boston in 32h 25m. Airlines will cover a distance of 9393 mi.

  • 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 $775). Flying from Boston to Singapore in December is currently the most expensive (average of $1,176). 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 November 4, 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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