HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$401+ 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 16, 2025.

This Kissandfly.com deal was found by Cheapflights users on 10/13. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:32 pmBOS - SIN
2 stops29h 28mLufthansa
Tue 11/2510:20 pmSIN - BOS
2 stops30h 22mLufthansa
Deal found 10/13$838
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/206:00 amBOS - SIN
1 stop24h 25mUnited Airlines
Mon 11/310:10 amSIN - BOS
1 stop24h 28mUnited Airlines
Deal found 10/14$844
This Gotogate deal was found by Cheapflights users on 10/13. 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 Gotogate 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 11/256:00 pmSIN - BOS
1 stop41h 00mCathay Pacific
Deal found 10/13$846
This United Airlines deal was found by Cheapflights users on 10/14. 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 10/155:24 pmBOS - SIN
2 stops37h 01mUnited Airlines
Wed 10/228:40 pmSIN - BOS
1 stop23h 37mUnited Airlines
Deal found 10/14$848
This United Airlines deal was found by Cheapflights users on 10/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:00 amBOS - SIN
1 stop47h 15mUnited Airlines
Mon 11/1710:20 pmSIN - BOS
1 stop31h 46mUnited Airlines
Deal found 10/16$852
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:50 amBOS - SIN
2 stops34h 05mUnited Airlines
Tue 12/910:10 amSIN - BOS
1 stop22h 14mUnited Airlines
Deal found 10/15$853
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:05 amBOS - SIN
2 stops27h 50mUnited Airlines
Tue 12/910:10 amSIN - BOS
1 stop22h 14mUnited Airlines
Deal found 10/15$856
This Korean Air deal was found by Cheapflights users on 10/15. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:00 amBOS - SIN
1 stop24h 10mKorean Air
Tue 11/2510:30 pmSIN - BOS
2 stops30h 44mKorean Air
Deal found 10/15$858
This Expedia deal was found by Cheapflights users on 10/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:30 amBOS - SIN
1 stop26h 15mCathay Pacific
Mon 11/178:15 pmSIN - BOS
1 stop38h 45mCathay Pacific
Deal found 10/16$860
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:00 amBOS - SIN
2 stops28h 45mUnited Airlines
Tue 11/1810:20 pmSIN - BOS
2 stops27h 24mUnited Airlines
Deal found 10/15$861
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amBOS - SIN
2 stops29h 55mUnited Airlines
Mon 12/1510:10 amSIN - BOS
1 stop22h 14mUnited Airlines
Deal found 10/15$864

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$852
(United Airlines)

One-way from

$401
(oojo)

Popular in

December

Cheapest in

November

Average price

$995
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. 11% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($84 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 16, 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 2/9

7:25 am-8:00 am

2 stops35h 35m

Singapore Changi

Mon 2/16

10:20 pm-10:01 am

2 stops24h 41m

$848

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 2/15

1:50 pm-8:15 pm

1 stop41h 25m

Singapore Changi

Tue 2/24

10:20 pm-7:58 am

1 stop22h 38m

$852

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 2/15

5:50 pm-8:15 pm

1 stop37h 25m

Singapore Changi

Wed 3/4

10:10 am-7:26 pm

1 stop22h 16m

$852

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 3/29

1:30 pm-6:25 pm

1 stop40h 55m

Singapore Changi

Wed 4/29

9:00 am-5:58 am

2 stops32h 58m

$857

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 11/2

8:00 am-8:15 pm

1 stop47h 15m

Singapore Changi

Mon 11/17

10:10 am-11:39 pm

2 stops26h 29m

$857

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 3/8

1:30 am-7:15 pm

1 stop29h 45m

Singapore Changi

Wed 3/11

1:25 am-11:00 pm

1 stop33h 35m

$876

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Fri 11/7

8:30 pm-8:15 pm

1 stop34h 45m

Singapore Changi

Thu 11/13

10:20 pm-10:38 am

2 stops25h 18m

$882

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 11/1

3:15 pm-8:15 pm

2 stops41h 00m

Singapore Changi

Thu 11/13

10:10 am-7:24 pm

1 stop22h 14m

$882

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 11/2

8:00 am-8:15 pm

1 stop47h 15m

Singapore Changi

Sun 11/9

10:10 am-7:24 pm

1 stop22h 14m

$886

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 4/2

6:00 am-6:25 pm

1 stop24h 25m

Singapore Changi

Sat 5/2

9:00 am-5:58 am

2 stops32h 58m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 17 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 $1,161). 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 October 16, 2025.

One of the essential ways to save on airfare from Boston to Singapore is to remain as flexible as possible. Flights that are at noon 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 Sunday mornings 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 October 16, 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
1,579 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Food

7.7

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
1,579 reviews
Japan Airlines
8.3
Very good
1,579 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Food

7.7

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
1,028 reviews
Japan Airlines
8.3
Very good
1,579 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Food

7.7

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
3,652 reviews
Japan Airlines
8.3
Very good
1,579 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Food

7.7

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
8,982 reviews
Japan Airlines
8.3
Very good
1,579 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Food

7.7

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
4,010 reviews
Japan Airlines
8.3
Very good
1,579 reviews

Comfort

8.2

Crew

8.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Food

7.7

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 $848, United Airlines can have you in Singapore from Boston in 35h 35m. 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 $1,161). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Narita flights
Boston to Haneda flights
Boston to Suvarnabhumi flights
Boston to Mumbai flights
Boston to New Delhi flights
Boston to Ho Chi Minh City flights
Boston to Incheon Intl flights
Boston to Taiwan Taoyuan Intl flights
Boston to Bangalore flights
Boston to Manila flights
Boston to Ahmedabad flights
Boston to Hyderabad flights
Boston to Hongqiao Intl flights
Boston to Chennai flights
Boston to Sung Shan flights
Boston to Hong Kong flights
Boston to Don Mueang Intl flights
Boston to Kathmandu flights
Boston to Pu Dong flights
Boston to Lahore flights
Boston to Gimpo Intl flights
Hartford to Haneda flights
Hartford to Narita flights
Boston to Singapore flights
Boston to Dhaka flights
Boston to Cochin flights
Boston to Denpasar flights
Boston to Capital flights
Boston to Da Nang flights
Boston to Hanoi flights
Boston to Beijing Daxing Intl flights
Boston to Kansai Intl flights
Boston to Phuket City flights
Boston to Itami flights
Boston to Islamabad flights
Boston to Kuala Lumpur Intl flights
Albany to Haneda flights
Boston to Vadodara flights
Boston to Cebu City flights
Albany to Narita flights
Boston to Kolkata flights
Boston to Malé flights
Boston to Colombo flights
Boston to Kobe flights
Boston to Soekarno-Hatta Intl flights
Boston to Guangzhou flights
Boston to Karachi flights
Boston to Chitose flights
Boston to Fuzhou flights
Boston to Yerevan 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$765Average$903FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$819Average$1,019FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$832Average$1,776FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$837Average$1,350FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$871Average$1,076FlexibilityNo cancel feeOn-time72%
Japan AirlinesCheapest$875Average$1,016FlexibilityNo cancel feeOn-time79%
Etihad AirwaysCheapest$895Average$1,221FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$897Average$1,026FlexibilityNo cancel feeOn-time71%
DeltaCheapest$902Average$1,653FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$920Average$1,680FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.