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Cheap flights from Boston to Singapore from $407

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 11/17. 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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Cathay Pacific Logo
1:40 am - 3:25 pmBOS-SIN
25h 45m1 stop
Cathay Pacific Logo
9:45 am - 11:00 pmSIN-BOS
25h 15m1 stop
$857Cathay Pacific
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lø., mar. 28 - on., mai 6
United Airlines Logo
10:40 am - 6:55 amBOS-SIN
31h 15m2 stops
United Airlines Logo
10:20 pm - 10:34 amSIN-BOS
25h 14m2 stops
$858United Airlines
Find Deal
ti., nov. 11 - ma., nov. 17
Turkish Airlines Logo
9:50 pm - 5:55 pmBOS-SIN
32h 05m1 stop
Turkish Airlines Logo
11:05 pm - 7:55 pmSIN-BOS
32h 50m1 stop
$860Turkish Airlines
Find Deal
lø., apr. 11 - ma., apr. 20
United Airlines Logo
6:00 am - 12:55 amBOS-SIN
29h 55m2 stops
United Airlines Logo
10:20 pm - 10:38 amSIN-BOS
25h 18m2 stops
$861United Airlines
Find Deal
ti., nov. 11 - ma., nov. 17
United Airlines Logo
8:30 am - 12:55 amBOS-SIN
51h 25m2 stops
United Airlines Logo
10:10 am - 9:43 pmSIN-BOS
24h 33m1 stop
$865United Airlines
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sø., des. 7 - ma., des. 15
Cathay Pacific Logo
1:30 am - 7:15 pmBOS-SIN
29h 45m1 stop
Cathay Pacific Logo
1:25 am - 11:00 pmSIN-BOS
33h 35m1 stop
$876Cathay Pacific
Find Deal
sø., mar. 8 - on., mar. 11
Korean Air Logo
11:00 am - 12:10 amBOS-SIN
24h 10m1 stop
Korean Air Logo
1:35 am - 3:18 pmSIN-BOS
26h 43m2 stops
$877Korean Air
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fr., jan. 23 - lø., jan. 31
Turkish Airlines Logo
9:50 pm - 5:55 pmBOS-SIN
32h 05m1 stop
Turkish Airlines Logo
10:20 am - 7:55 pmSIN-BOS
45h 35m1 stop
$878Turkish Airlines
Find Deal
lø., apr. 4 - fr., mai 8
Korean Air Logo
11:00 am - 12:10 amBOS-SIN
24h 10m1 stop
Korean Air Logo
10:30 pm - 3:18 pmSIN-BOS
29h 48m2 stops
$899Korean Air
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fr., jan. 23 - sø., feb. 1
Qatar Airways Logo
8:45 pm - 8:45 amBOS-SIN
23h 00m1 stop
Qatar Airways Logo
3:15 am - 1:55 pmSIN-BOS
23h 40m1 stop
$950Qatar Airways
Find Deal
ti., nov. 4 - ti., nov. 18

Cathay Pacific flights from Boston to Singapore

Our best Cathay Pacific deals on Boston to Singapore flight tickets
Cathay Pacific
Mar 28
BOS1:40 amBoston Logan Intl
25h 45m
1 stop
SIN3:25 pmSingapore Changi
May 6
SIN9:45 amSingapore Changi
25h 15m
1 stop
BOS11:00 pmBoston Logan Intl
$857
Find similar
Cathay Pacific
Mar 8
BOS1:30 amBoston Logan Intl
29h 45m
1 stop
SIN7:15 pmSingapore Changi
Mar 11
SIN1:25 amSingapore Changi
33h 35m
1 stop
BOS11:00 pmBoston Logan Intl
$876
Find similar
Cathay Pacific
Nov 9
BOS12:30 amBoston Logan Intl
40h 10m
1 stop
SIN5:40 amSingapore Changi
Nov 24
SIN8:15 pmSingapore Changi
38h 45m
1 stop
BOS10:00 pmBoston Logan Intl
$880
Find similar

United Airlines flights from Boston to Singapore

Our best United Airlines deals on Boston to Singapore flight tickets
United Airlines
Nov 11
BOS10:40 amBoston Logan Intl
31h 15m
2 stops
SIN6:55 amSingapore Changi
Nov 17
SIN10:20 pmSingapore Changi
25h 14m
2 stops
BOS10:34 amBoston Logan Intl
$858
Find similar
United Airlines
Nov 11
BOS6:00 amBoston Logan Intl
29h 55m
2 stops
SIN12:55 amSingapore Changi
Nov 17
SIN10:20 pmSingapore Changi
25h 18m
2 stops
BOS10:38 amBoston Logan Intl
$861
Find similar
United Airlines
Dec 7
BOS8:30 amBoston Logan Intl
51h 25m
2 stops
SIN12:55 amSingapore Changi
Dec 15
SIN10:10 amSingapore Changi
24h 33m
1 stop
BOS9:43 pmBoston Logan Intl
$865
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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 oktober 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

lø. 3/28

1:40 am-3:25 pm

1 stop25h 45m

Singapore Changi

on. 5/6

9:45 am-11:00 pm

1 stop25h 15m

$857

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

ti. 11/11

10:40 am-6:55 am

2 stops31h 15m

Singapore Changi

ma. 11/17

10:20 pm-10:34 am

2 stops25h 14m

$858

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

lø. 4/11

9:50 pm-5:55 pm

1 stop32h 05m

Singapore Changi

ma. 4/20

11:05 pm-7:55 pm

1 stop32h 50m

$860

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

ti. 11/11

6:00 am-12:55 am

2 stops29h 55m

Singapore Changi

ma. 11/17

10:20 pm-10:38 am

2 stops25h 18m

$861

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

sø. 12/7

8:30 am-12:55 am

2 stops51h 25m

Singapore Changi

ma. 12/15

10:10 am-9:43 pm

1 stop24h 33m

$865

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

sø. 3/8

1:30 am-7:15 pm

1 stop29h 45m

Singapore Changi

on. 3/11

1:25 am-11:00 pm

1 stop33h 35m

$876

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

fr. 1/23

11:00 am-12:10 am

1 stop24h 10m

Singapore Changi

lø. 1/31

1:35 am-3:18 pm

2 stops26h 43m

$877

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

lø. 4/4

9:50 pm-5:55 pm

1 stop32h 05m

Singapore Changi

fr. 5/8

10:20 am-7:55 pm

1 stop45h 35m

$878

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

fr. 1/23

11:00 am-12:10 am

1 stop24h 10m

Singapore Changi

sø. 2/1

10:30 pm-3:18 pm

2 stops29h 48m

$899

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

ti. 11/4

8:45 pm-8:45 am

1 stop23h 00m

Singapore Changi

ti. 11/18

3:15 am-1:55 pm

1 stop23h 40m

$950

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 typical price of a round-trip flight between Boston and Singapore?

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 $955. 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 $973.

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 $1,208 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 $1,002 on momondo.

Can stopping save me money on Boston to Singapore flights?

You could potentially save up to 7% 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 October 2025, prices for Boston to Singapore flights are approximately 22% 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 25m.

  • 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 $765Free CancellationRating
7.3
4,022 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $819Free CancellationRating
8.4
1,153 reviews
Search Korean Air flights
Air CanadaPriceFrom $832Free CancellationRating
7.1
10,341 reviews
Search Air Canada flights
United AirlinesPriceFrom $837Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
Cathay PacificPriceFrom $871Free CancellationRating
7.6
1,034 reviews
Search Cathay Pacific flights
Japan AirlinesPriceFrom $875Free CancellationRating
8.3
1,583 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $895Free CancellationRating
7.4
1,282 reviews
Search Etihad Airways flights
American AirlinesPriceFrom $897Free CancellationRating
7.2
11,026 reviews
Search American Airlines flights
DeltaPriceFrom $902Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Singapore AirlinesPriceFrom $920Free CancellationRating
8.1
1,384 reviews
Search Singapore Airlines 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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