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Cheap flights from Boston to Singapore from $391

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 9/22. 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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Cheap round-trip flights

Turkish Airlines Logo
9:35 pm - 5:55 pmBOS-SIN
32h 20m1 stop
Turkish Airlines Logo
11:25 pm - 6:05 pmSIN-BOS
31h 40m1 stop
$738Turkish Airlines
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Tue, Oct 21 - Tue, Nov 18
Turkish Airlines Logo
8:00 pm - 5:35 pmBOS-SIN
32h 35m1 stop
Turkish Airlines Logo
11:25 pm - 6:05 pmSIN-BOS
31h 40m1 stop
$748Turkish Airlines
Find Deal
Wed, Nov 12 - Thu, Nov 20
Turkish Airlines Logo
8:00 pm - 10:00 amBOS-SIN
25h 00m1 stop
Turkish Airlines Logo
11:40 am - 6:05 pmSIN-BOS
43h 25m1 stop
$766Turkish Airlines
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Sat, Jan 10 - Fri, Jan 30
United Airlines Logo
6:18 pm - 6:15 amBOS-SIN
23h 57m1 stop
United Airlines Logo
8:45 am - 11:57 pmSIN-BOS
27h 12m1 stop
$831United Airlines
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Tue, Sep 30 - Mon, Oct 6
United Airlines Logo
7:08 pm - 6:25 pmBOS-SIN
35h 17m2 stops
United Airlines Logo
8:45 am - 11:44 pmSIN-BOS
26h 59m2 stops
$835United Airlines
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Wed, Oct 1 - Tue, Oct 7
Qatar Airways Logo
10:00 pm - 9:00 amBOS-SIN
23h 00m1 stop
Qatar Airways Logo
3:15 am - 2:55 pmSIN-BOS
23h 40m1 stop
$862Qatar Airways
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Thu, Oct 16 - Thu, Oct 30
Qatar Airways Logo
10:00 pm - 3:45 pmBOS-SIN
29h 45m1 stop
Qatar Airways Logo
3:15 am - 1:55 pmSIN-BOS
23h 40m1 stop
$871Qatar Airways
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Tue, Oct 21 - Mon, Nov 17
Delta Logo
9:10 am - 5:00 amBOS-SIN
31h 50m2 stops
Delta Logo
10:30 pm - 11:48 pmSIN-BOS
37h 18m2 stops
$904Delta
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Mon, Mar 9 - Mon, Mar 23
Cathay Pacific Logo
12:30 am - 7:15 pmBOS-SIN
29h 45m1 stop
Cathay Pacific Logo
1:25 am - 10:00 pmSIN-BOS
33h 35m1 stop
$911Cathay Pacific
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Sun, Feb 8 - Wed, Feb 25
Delta Logo
5:30 am - 5:00 amBOS-SIN
35h 30m2 stops
Delta Logo
10:30 pm - 6:13 amSIN-BOS
43h 43m2 stops
$915Delta
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Sun, Mar 8 - Mon, Mar 23

Turkish Airlines flights from Boston to Singapore

Our best Turkish Airlines deals on Boston to Singapore flight tickets
Turkish Airlines
Oct 21
BOS9:35 pmBoston Logan Intl
32h 20m
1 stop
SIN5:55 pmSingapore Changi
Nov 18
SIN11:25 pmSingapore Changi
31h 40m
1 stop
BOS6:05 pmBoston Logan Intl
$738
Find similar
Turkish Airlines
Nov 12
BOS8:00 pmBoston Logan Intl
32h 35m
1 stop
SIN5:35 pmSingapore Changi
Nov 20
SIN11:25 pmSingapore Changi
31h 40m
1 stop
BOS6:05 pmBoston Logan Intl
$748
Find similar
Turkish Airlines
Jan 10
BOS8:00 pmBoston Logan Intl
25h 00m
1 stop
SIN10:00 amSingapore Changi
Jan 30
SIN11:40 amSingapore Changi
43h 25m
1 stop
BOS6:05 pmBoston Logan Intl
$766
Find similar

Cathay Pacific flights from Boston to Singapore

Our best Cathay Pacific deals on Boston to Singapore flight tickets
Cathay Pacific
Feb 8
BOS12:30 amBoston Logan Intl
29h 45m
1 stop
SIN7:15 pmSingapore Changi
Feb 25
SIN1:25 amSingapore Changi
33h 35m
1 stop
BOS10:00 pmBoston Logan Intl
$911
Find similar
Cathay Pacific
Sep 22
BOS1:40 amBoston Logan Intl
25h 25m
1 stop
SIN3:05 pmSingapore Changi
Sep 30
SIN1:50 amSingapore Changi
33h 10m
1 stop
BOS11:00 pmBoston Logan Intl
$920
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Cathay Pacific
Sep 26
BOS1:40 amBoston Logan Intl
22h 05m
1 stop
SIN11:45 amSingapore Changi
Oct 3
SIN1:25 pmSingapore Changi
21h 35m
1 stop
BOS11:00 pmBoston Logan Intl
$980
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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 September 16, 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

Tue 10/21

9:35 pm-5:55 pm

1 stop32h 20m

Singapore Changi

Tue 11/18

11:25 pm-6:05 pm

1 stop31h 40m

$738

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 11/12

8:00 pm-5:35 pm

1 stop32h 35m

Singapore Changi

Thu 11/20

11:25 pm-6:05 pm

1 stop31h 40m

$748

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 1/10

8:00 pm-10:00 am

1 stop25h 00m

Singapore Changi

Fri 1/30

11:40 am-6:05 pm

1 stop43h 25m

$766

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 9/30

6:18 pm-6:15 am

1 stop23h 57m

Singapore Changi

Mon 10/6

8:45 am-11:57 pm

1 stop27h 12m

$831

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 10/1

7:08 pm-6:25 pm

2 stops35h 17m

Singapore Changi

Tue 10/7

8:45 am-11:44 pm

2 stops26h 59m

$835

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 10/16

10:00 pm-9:00 am

1 stop23h 00m

Singapore Changi

Thu 10/30

3:15 am-2:55 pm

1 stop23h 40m

$862

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 10/21

10:00 pm-3:45 pm

1 stop29h 45m

Singapore Changi

Mon 11/17

3:15 am-1:55 pm

1 stop23h 40m

$871

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 3/9

9:10 am-5:00 am

2 stops31h 50m

Singapore Changi

Mon 3/23

10:30 pm-11:48 pm

2 stops37h 18m

$904

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 2/8

12:30 am-7:15 pm

1 stop29h 45m

Singapore Changi

Wed 2/25

1:25 am-10:00 pm

1 stop33h 35m

$911

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 3/8

5:30 am-5:00 am

2 stops35h 30m

Singapore Changi

Mon 3/23

10:30 pm-6:13 am

2 stops43h 43m

$915

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 March is also cheap. Prices for this month can be found on momondo for an average of $972.

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 $1,200 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 $979 on momondo.

Can stopping save me money on Boston to Singapore flights?

You could potentially save up to 4% on your flight if you consider stops on a Boston to Singapore flight.

Cheap Boston to Singapore 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

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

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

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

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

    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.

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

    The necessary travel and health documents for your Singapore 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.

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 $766Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $819Free CancellationRating
8.4
1,140 reviews
Search Korean Air flights
Air CanadaPriceFrom $832Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Cathay PacificPriceFrom $854Free CancellationRating
7.6
994 reviews
Search Cathay Pacific flights
Japan AirlinesPriceFrom $871Free CancellationRating
8.3
1,559 reviews
Search Japan Airlines flights
American AirlinesPriceFrom $897Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $907Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Singapore AirlinesPriceFrom $920Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $963Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights

Why use momondo?

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

Finding the right flight to Singapore from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Singapore quick and easy, saving you time and money.

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

All flight searches from Boston to Singapore on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Boston to Singapore flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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