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$426+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Singapore Changi are usually found in January 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 June 12, 2025.

Round-trip from

$1,031
(United Airlines)

One-way from

$426
(Booking.com)

Popular in

December

Cheapest in

January

Average price

$1,443
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. 10% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($78 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/51:40 amBOS - SIN
1 stop29h 25mCathay Pacific
Sun 9/148:05 pmSIN - BOS
1 stop38h 55mCathay Pacific
Deal found 6/12$1,013
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/61:20 pmBOS - SIN
1 stop40h 10mJapan Airlines
Sat 9/131:55 amSIN - BOS
2 stops24h 28mJapan Airlines
Deal found 6/12$1,018
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:35 pmBOS - SIN
2 stops31h 45mMultiple Airlines
Sun 9/1412:20 amSIN - BOS
3 stops35h 20mMultiple Airlines
Deal found 6/12$1,022
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 12/48:30 amBOS - SIN
2 stops27h 25mUnited Airlines
Wed 12/1710:20 pmSIN - BOS
2 stops25h 13mUnited Airlines
Deal found 6/11$1,027
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:15 pmBOS - SIN
2 stops26h 40mQatar Airways
Sat 11/292:00 amSIN - BOS
1 stop24h 55mQatar Airways
Deal found 6/12$1,031
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:30 pmBOS - SIN
2 stops46h 30mAir Canada
Fri 9/266:15 amSIN - BOS
2 stops27h 10mAir Canada
Deal found 6/12$1,034
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1811:00 amBOS - SIN
1 stop24h 10mKorean Air
Sat 11/2211:00 amSIN - BOS
2 stops37h 19mKorean Air
Deal found 6/12$1,041
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/79:35 pmBOS - SIN
2 stops32h 10mIndiGo
Fri 7/187:45 pmSIN - BOS
2 stops35h 55mIndiGo
Deal found 6/12$1,043
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:05 amBOS - SIN
2 stops27h 35mDelta
Sat 8/237:30 amSIN - BOS
2 stops35h 00mDelta
Deal found 6/10$1,052
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/610:00 pmBOS - SIN
1 stop23h 00mJetBlue
Fri 9/193:10 amSIN - BOS
1 stop23h 55mJetBlue
Deal found 6/10$1,058
This CrystalTravel deal was found by Cheapflights users on 6/12. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/164:10 pmBOS - SIN
1 stop27h 55mEtihad Airways
Sun 11/308:40 pmSIN - BOS
1 stop31h 00mEtihad Airways
Deal found 6/12$1,072
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:15 pmBOS - SIN
1 stop28h 40mAmerican Airlines
Sat 11/292:00 amSIN - BOS
1 stop24h 55mAmerican Airlines
Deal found 6/12$1,079

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 June 12, 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

Fri 9/5

1:40 am-7:05 pm

1 stop29h 25m

Singapore Changi

Sun 9/14

8:05 pm-11:00 pm

1 stop38h 55m

$1,013

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 9/6

1:20 pm-5:30 pm

1 stop40h 10m

Singapore Changi

Sat 9/13

1:55 am-2:23 pm

2 stops24h 28m

$1,018

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 9/8

9:35 pm-5:20 pm

2 stops31h 45m

Singapore Changi

Sun 9/14

12:20 am-11:40 pm

3 stops35h 20m

$1,022

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 12/4

8:30 am-12:55 am

2 stops27h 25m

Singapore Changi

Wed 12/17

10:20 pm-10:33 am

2 stops25h 13m

$1,027

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 11/16

9:15 pm-12:55 pm

2 stops26h 40m

Singapore Changi

Sat 11/29

2:00 am-1:55 pm

1 stop24h 55m

$1,031

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 9/22

6:30 pm-5:00 am

2 stops46h 30m

Singapore Changi

Fri 9/26

6:15 am-9:25 pm

2 stops27h 10m

$1,034

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 11/18

11:00 am-12:10 am

1 stop24h 10m

Singapore Changi

Sat 11/22

11:00 am-11:19 am

2 stops37h 19m

$1,041

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 7/7

9:35 pm-5:45 pm

2 stops32h 10m

Singapore Changi

Fri 7/18

7:45 pm-7:40 pm

2 stops35h 55m

$1,043

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 8/7

8:05 am-11:40 pm

2 stops27h 35m

Singapore Changi

Sat 8/23

7:30 am-6:30 am

2 stops35h 00m

$1,052

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 9/6

10:00 pm-9:00 am

1 stop23h 00m

Singapore Changi

Fri 9/19

3:10 am-3:05 pm

1 stop23h 55m

$1,058

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 33 results
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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 June 9, 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 June 12, 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 June 12, 2025.
To help decide which airline to fly from Boston to Singapore, see what other customers have to say about Korean Air, Japan Airlines and China Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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.
Korean Air
8.4
Very good
1,088 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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.
Japan Airlines
8.3
Very good
1,489 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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.
China Airlines
8.3
Very good
738 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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.
ANA
8.3
Very good
882 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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.
Emirates
8.1
Very good
3,264 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

Crew

8.7

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 United Airlines is currently your cheapest option to Singapore, with prices starting at $1,031. Additional round-trip tickets that might be worth considering are offered by IndiGo and Qatar Airways, with the lowest prices starting at $1,043 and $1,048, respectively. United Airlines is currently priced 13% 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 $426 on IndiGo. Other airlines that offer cheap prices include Korean Air from $437 and United Airlines from $443 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. San Francisco 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 Ocean Park. 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 some popular points of interest to see during a layover in Tokyo?

    Tokyo travelers tend to visit Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market more than any other notable places. Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market can be accessed by traveling approximately 34.6 mi, 34.5 mi, and 35.3 mi, respectively from Tokyo Narita. Travelers can rent a car at Tokyo Narita for an average daily rate of $57 to make sightseeing during their layover a little easier.

  • 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 $56 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. Istanbul 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, 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

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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.
Albany to Singapore flights
Hartford 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$761Average$883FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$853Average$1,001FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$866Average$981FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$876Average$1,186FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$897Average$1,190FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$910Average$1,246FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$963Average$1,145FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$972Average$1,182FlexibilityNo cancel feeOn-time75%
DeltaCheapest$986Average$1,697FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$1,041Average$1,303FlexibilityNo cancel feeOn-time62%

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