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Cheap flights from Boston to Singapore from $254

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Singapore departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Boston to Singapore (BOS-SIN)

Cheap round-trip flights

Turkish Airlines Logo
9:35 pm - 5:55 pmBOS-SIN
32h 20m1 stop
Turkish Airlines Logo
11:10 pm - 7:40 pmSIN-BOS
32h 30m1 stop
$750Turkish Airlines
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Mon, Sep 15 - Thu, Sep 25
Korean Air Logo
12:55 pm - 11:40 pmBOS-SIN
22h 45m1 stop
Korean Air Logo
10:30 pm - 10:10 amSIN-BOS
23h 40m1 stop
$782Korean Air
Find Deal
Wed, Sep 17 - Wed, Sep 24
Turkish Airlines Logo
8:00 pm - 5:35 pmBOS-SIN
32h 35m1 stop
Turkish Airlines Logo
11:40 am - 6:05 pmSIN-BOS
43h 25m1 stop
$787Turkish Airlines
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Sat, Jan 10 - Fri, Jan 30
Cathay Pacific Logo
1:40 am - 7:05 pmBOS-SIN
29h 25m1 stop
Cathay Pacific Logo
1:50 am - 11:00 pmSIN-BOS
33h 10m1 stop
$805Cathay Pacific
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Sun, Sep 7 - Sun, Sep 28
Cathay Pacific Logo
12:30 am - 11:55 amBOS-SIN
22h 25m1 stop
Cathay Pacific Logo
4:45 pm - 10:00 pmSIN-BOS
42h 15m1 stop
$814Cathay Pacific
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Mon, Nov 10 - Mon, Nov 17
United Airlines Logo
8:30 pm - 8:15 pmBOS-SIN
34h 45m1 stop
United Airlines Logo
10:20 pm - 5:06 pmSIN-BOS
31h 46m1 stop
$827United Airlines
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Sun, Nov 2 - Wed, Nov 12
United Airlines Logo
1:32 pm - 8:00 amBOS-SIN
29h 28m2 stops
United Airlines Logo
10:10 am - 11:42 pmSIN-BOS
26h 32m2 stops
$831United Airlines
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Tue, Nov 4 - Mon, Nov 10
Delta Logo
5:45 am - 11:40 pmBOS-SIN
29h 55m2 stops
Delta Logo
1:10 am - 11:59 pmSIN-BOS
34h 49m2 stops
$845Delta
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Mon, Sep 15 - Wed, Sep 24
Air Canada Logo
6:55 pm - 7:05 amBOS-SIN
48h 10m2 stops
Air Canada Logo
9:10 am - 9:30 amSIN-BOS
36h 20m2 stops
$865Air Canada
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Sat, Oct 4 - Sun, Oct 19
Air Canada Logo
10:15 am - 7:00 amBOS-SIN
31h 45m2 stops
Air Canada Logo
8:50 am - 9:32 amSIN-BOS
37h 42m2 stops
$872Air Canada
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Wed, Nov 5 - Sun, Nov 9

ANA flights from Boston to Singapore

Our best ANA deals on Boston to Singapore flight tickets
ANA
Sep 29
BOS9:30 amBoston Logan Intl
33h 10m
2 stops
SIN6:40 amSingapore Changi
Oct 6
SIN6:15 amSingapore Changi
29h 42m
2 stops
BOS11:57 pmBoston Logan Intl
$847
Find similar
ANA
Sep 4
BOS6:02 amBoston Logan Intl
30h 43m
2 stops
SIN12:45 amSingapore Changi
Sep 7
SIN10:10 pmSingapore Changi
31h 24m
2 stops
BOS5:34 pmBoston Logan Intl
$887
Find similar
ANA
Aug 28
BOS9:30 amBoston Logan Intl
33h 10m
2 stops
SIN6:40 amSingapore Changi
Sep 12
SIN6:15 amSingapore Changi
30h 30m
2 stops
BOS12:45 amBoston Logan Intl
$918
Find similar

Korean Air flights from Boston to Singapore

Our best Korean Air deals on Boston to Singapore flight tickets
Korean Air
Sep 17
BOS12:55 pmBoston Logan Intl
22h 45m
1 stop
SIN11:40 pmSingapore Changi
Sep 24
SIN10:30 pmSingapore Changi
23h 40m
1 stop
BOS10:10 amBoston Logan Intl
$782
Find similar
Korean Air
Sep 17
BOS12:55 pmBoston Logan Intl
22h 45m
1 stop
SIN11:40 pmSingapore Changi
Sep 24
SIN10:30 pmSingapore Changi
23h 40m
1 stop
BOS10:10 amBoston Logan Intl
$822
Find similar
Korean Air
Sep 2
BOS12:55 pmBoston Logan Intl
43h 00m
1 stop
SIN7:55 pmSingapore Changi
Sep 8
SIN7:30 amSingapore Changi
38h 40m
1 stop
BOS10:10 amBoston Logan Intl
$834
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momondo 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, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Boston to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 9/15

9:35 pm-5:55 pm

1 stop32h 20m

Singapore Changi

Thu 9/25

11:10 pm-7:40 pm

1 stop32h 30m

$750

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 9/17

12:55 pm-11:40 pm

1 stop22h 45m

Singapore Changi

Wed 9/24

10:30 pm-10:10 am

1 stop23h 40m

$782

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 1/10

8:00 pm-5:35 pm

1 stop32h 35m

Singapore Changi

Fri 1/30

11:40 am-6:05 pm

1 stop43h 25m

$787

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 9/7

1:40 am-7:05 pm

1 stop29h 25m

Singapore Changi

Sun 9/28

1:50 am-11:00 pm

1 stop33h 10m

$805

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 11/10

12:30 am-11:55 am

1 stop22h 25m

Singapore Changi

Mon 11/17

4:45 pm-10:00 pm

1 stop42h 15m

$814

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 11/2

8:30 pm-8:15 pm

1 stop34h 45m

Singapore Changi

Wed 11/12

10:20 pm-5:06 pm

1 stop31h 46m

$827

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 11/4

1:32 pm-8:00 am

2 stops29h 28m

Singapore Changi

Mon 11/10

10:10 am-11:42 pm

2 stops26h 32m

$831

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 9/15

5:45 am-11:40 pm

2 stops29h 55m

Singapore Changi

Wed 9/24

1:10 am-11:59 pm

2 stops34h 49m

$845

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 10/4

6:55 pm-7:05 am

2 stops48h 10m

Singapore Changi

Sun 10/19

9:10 am-9:30 am

2 stops36h 20m

$865

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 11/5

10:15 am-7:00 am

2 stops31h 45m

Singapore Changi

Sun 11/9

8:50 am-9:32 am

2 stops37h 42m

$872

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Singapore from

How to get the cheapest flight ticket from Boston to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Singapore?

The month of November is, on average, the cheapest month to fly to Singapore from Boston, with most prices found around $954. If you aren’t able to travel to Singapore during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $957.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Boston to Singapore is on a Wednesday when prices can be found for as low as $1,169. The most expensive day to fly to Singapore is Sunday, with ticket prices averaging around $1,365.

What is the cheapest time of day to depart on your flight to Singapore?

In the afternoon is the cheapest time of day to fly from Boston to Singapore when you can find flight prices for as low as $1,214. Flying to Singapore in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,281 on average. Flights to Singapore from Boston in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,188 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Boston for as low as $971 on momondo.

Can stopping save me money on Boston to Singapore flights?

You could potentially save up to 10% on your flight if you consider stops on a Boston to Singapore flight.

How have Boston to Singapore flight prices changed over time?

As of August 2025, prices for Boston to Singapore flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Singapore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Singapore (BOS to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Singapore

Direct flights

None
There are no direct flights from Boston to Singapore. There are no popular flight routes from Boston to Singapore.
Search flight deals

  • How far is Boston Logan Intl to Singapore Changi by plane?

    Singapore Changi is 9396.6 mi away from Boston Logan Intl. In terms of flight time, this usually takes a little over 22h 05m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Singapore Changi Airport?

    Prices for flights from Boston Logan Intl Airport to Singapore Changi Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Singapore Changi Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Singapore Changi Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Singapore Changi Airport.

  • What documentation or ID do you need to fly to Singapore Changi Airport?

    The necessary travel and health documents for your Singapore Changi Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to Singapore?

Best airlines flying from Boston to Singapore

Compare and see reviews for airlines that fly from Boston to Singapore with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $761Free CancellationRating
7.3
3,950 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $819Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
Air CanadaPriceFrom $832Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $856Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $866Free CancellationRating
8.3
1,552 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $871Free CancellationRating
7.6
974 reviews
Search Cathay Pacific flights
American AirlinesPriceFrom $897Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $907Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Singapore AirlinesPriceFrom $920Free CancellationRating
8.1
1,347 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $960Free CancellationRating
7.4
3,615 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Singapore?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Singapore. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Singapore with flexible booking policies on momondo?

Flights from Boston to Singapore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to Singapore?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Singapore from Boston.

I’m not ready to book a flight from Boston to Singapore right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Singapore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Singapore and let you know when they change.

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