Singapore

$456+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
Apr 20 — Apr 271
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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

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Cheapflights Tip: The best prices from Boston Logan Intl to Singapore Changi are usually found in March or September, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$978
(Delta)

One-way from

$456
(oojo)

Popular in

December

Cheapest in

March

Average price

$1,112
Provider with most accurate pricing for Boston Logan Intl-Singapore Changi flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Singapore Changi flights.
From Boston Logan Intl to Singapore Changi
One-way flight from Boston Logan Intl to Singapore Changi
Highest demand for flights based on searches. 10% potential increase in price ($140 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($77 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 15, 2025.

This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:40 amBOS - SIN
2 stops35h 20mDelta
Wed 5/217:30 amSIN - BOS
2 stops28h 26mDelta
Deal found 4/14$978
This Gurufare deal was found by Cheapflights users on 4/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amBOS - SIN
2 stops34h 00mKorean Air
Sun 12/71:30 amSIN - BOS
2 stops27h 41mKorean Air
Deal found 4/14$981
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/249:35 pmBOS - SIN
1 stop32h 20mTurkish Airlines
Sun 5/1111:10 pmSIN - BOS
1 stop32h 30mTurkish Airlines
Deal found 4/14$982
This Gotogate deal was found by Cheapflights users on 4/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/54:30 pmBOS - SIN
1 stop29h 10mEtihad Airways
Wed 5/219:10 pmSIN - BOS
1 stop29h 45mEtihad Airways
Deal found 4/14$990
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:00 pmBOS - SIN
2 stops26h 55mQatar Airways
Thu 9/256:45 pmSIN - BOS
1 stop32h 20mQatar Airways
Deal found 4/14$991
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:26 pmBOS - SIN
2 stops34h 04mJapan Airlines
Wed 9/241:55 amSIN - BOS
2 stops32h 27mJapan Airlines
Deal found 4/14$1,000
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:30 amBOS - SIN
1 stop34h 55mCathay Pacific
Mon 11/171:25 amSIN - BOS
1 stop33h 35mCathay Pacific
Deal found 4/14$1,011
This Flightnetwork deal was found by Cheapflights users on 4/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/194:30 pmBOS - SIN
1 stop29h 10mMultiple Airlines
Sun 9/287:45 pmSIN - BOS
2 stops35h 55mMultiple Airlines
Deal found 4/14$1,022
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:45 amBOS - SIN
2 stops34h 55mANA
Tue 8/196:15 amSIN - BOS
2 stops29h 41mANA
Deal found 4/14$1,080
This Air Canada deal was found by Cheapflights users on 4/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/77:00 pmBOS - SIN
2 stops48h 05mAir Canada
Sun 7/209:10 amSIN - BOS
2 stops36h 25mAir Canada
Deal found 4/14$1,084
This JetBlue deal was found by Cheapflights users on 4/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:00 pmBOS - SIN
1 stop23h 00mJetBlue
Thu 9/253:10 amSIN - BOS
1 stop23h 55mJetBlue
Deal found 4/14$1,101
This Emirates deal was found by Cheapflights users on 4/14. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/111:05 pmBOS - SIN
1 stop27h 00mEmirates
Wed 9/1012:50 amSIN - BOS
1 stop25h 20mEmirates
Deal found 4/14$1,175

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 April 15, 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 5/5

5:40 am-5:00 am

2 stops35h 20m

Singapore Changi

Tue 5/20

7:30 am-12:33 am

2 stops29h 03m

$978

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 5/1

4:30 pm-9:40 am

1 stop29h 10m

Singapore Changi

Sun 5/11

9:10 pm-2:55 pm

1 stop29h 45m

$981

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 9/15

10:00 pm-12:55 pm

2 stops26h 55m

Singapore Changi

Thu 9/25

6:45 pm-3:05 pm

1 stop32h 20m

$991

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 9/15

7:26 pm-5:30 pm

2 stops34h 04m

Singapore Changi

Wed 9/24

1:55 am-10:22 pm

2 stops32h 27m

$1,000

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 9/27

8:15 pm-5:00 am

2 stops44h 45m

Singapore Changi

Thu 10/9

10:30 pm-10:10 am

1 stop23h 40m

$1,003

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 9/18

1:40 am-8:35 pm

1 stop30h 55m

Singapore Changi

Sun 9/28

8:05 pm-11:00 pm

1 stop38h 55m

$1,011

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Fri 9/19

4:30 pm-9:40 am

1 stop29h 10m

Singapore Changi

Sun 9/28

7:45 pm-7:40 pm

2 stops35h 55m

$1,022

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 8/4

7:45 am-6:40 am

2 stops34h 55m

Singapore Changi

Tue 8/19

6:15 am-11:56 pm

2 stops29h 41m

$1,080

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 7/7

7:00 pm-7:05 am

2 stops48h 05m

Singapore Changi

Sun 7/20

9:10 am-9:35 am

2 stops36h 25m

$1,084

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 9/18

10:00 pm-9:00 am

1 stop23h 00m

Singapore Changi

Thu 9/25

3:10 am-3:05 pm

1 stop23h 55m

$1,101

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 28 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
FareScanPrice Accuracy-Trust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Singapore flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 2025.

Booking 77 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, September is the cheapest month in which you can book a flight from Boston to Singapore (average of $1,011). 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 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 April 15, 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 6% 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.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 April 15, 2025.
To help decide which airline to fly from Boston to Singapore, see what other customers have to say about Korean Air, ANA and China Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
8.3
Very good

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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 are the cheapest airlines flying from Boston to Singapore round-trip?

    Flying on Delta is currently your cheapest option to Singapore, with prices starting at $978. Additional round-trip tickets that might be worth considering are offered by Etihad Airways and Turkish Airlines, with the lowest prices starting at $981 and $982, respectively. Delta is currently priced 18% 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 $456 on Etihad Airways. Other airlines that offer cheap prices include United Airlines from $679 and Cathay Pacific from $695 one-way.

  • Where are the most common layover locations when flying from Boston to Singapore?

  • What are some popular things to do or see while on a layover in Tokyo?

    Most Tokyo visitors opt to spend their time experiencing Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower. 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 in need of a car in Tokyo can rent one for about $63 per day.

  • What are some popular points of interest to see during a layover in Hong Kong?

    Hong Kong travelers tend to visit Hong Kong Disneyland, Shatin Baptist Church, and Ocean Park more than any other notable places. Hong Kong Disneyland, Shatin Baptist Church, and Ocean Park can be accessed by traveling approximately 7.8 mi, 18.3 mi, and 16.9 mi, respectively from Hong Kong Intl.

  • What are points of interest worth seeing during a layover in San Francisco?

    San Francisco travelers tend to visit Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium more than any other attractions. Fisherman's Wharf, Union Square and Bill Graham Civic Auditorium are located about 13.0 mi, 11.6 mi, and 11.1 mi, respectively from San Francisco if you are interested in checking them out. Travelers can rent a car at San Francisco for an average daily rate of $61 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Boston to Singapore flights?

  • 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, September is the cheapest month in which you can book a flight from Boston to Singapore (average of $1,011). 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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Alternative routes for Boston to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$761Average$876FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$853Average$1,294FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$866Average$1,006FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$873Average$1,096FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$889Average$999FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$963Average$1,191FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$980Average$1,226FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,011Average$1,692FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$1,041Average$1,337FlexibilityNo cancel feeOn-time62%
EmiratesCheapest$1,061Average$1,362FlexibilityNo cancel feeOn-time75%

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