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Cheap flights from Boston to Singapore from $428

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 11/8. 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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Turkish Airlines Logo
8:00 pm - 5:35 pmBOS-SIN
32h 35m1 stop
Turkish Airlines Logo
10:25 am - 6:05 pmSIN-BOS
44h 40m1 stop
$833Turkish Airlines
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Sun, Feb 1 - Sun, Feb 22
Cathay Pacific Logo
1:30 am - 11:55 amBOS-SIN
22h 25m1 stop
Cathay Pacific Logo
2:05 pm - 10:00 pmSIN-BOS
20h 55m1 stop
$834Cathay Pacific
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Sun, Oct 26 - Tue, Nov 11
United Airlines Logo
8:00 am - 7:00 amBOS-SIN
35h 00m1 stop
United Airlines Logo
10:20 pm - 10:34 amSIN-BOS
25h 14m2 stops
$835United Airlines
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Mon, Oct 27 - Tue, Nov 11
Turkish Airlines Logo
8:00 pm - 8:45 amBOS-SIN
23h 45m1 stop
Turkish Airlines Logo
11:25 pm - 6:05 pmSIN-BOS
31h 40m1 stop
$837Turkish Airlines
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Sun, Mar 1 - Fri, Mar 6
Turkish Airlines Logo
9:50 pm - 8:35 amBOS-SIN
22h 45m1 stop
Turkish Airlines Logo
5:25 am - 7:55 pmSIN-BOS
26h 30m1 stop
$839Turkish Airlines
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Mon, Mar 30 - Thu, Apr 9
Lufthansa Logo
7:54 pm - 8:15 pmBOS-SIN
36h 21m2 stops
Lufthansa Logo
10:20 pm - 8:06 amSIN-BOS
22h 46m1 stop
$841Lufthansa
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Mon, Oct 27 - Tue, Nov 11
Cathay Pacific Logo
12:30 am - 1:05 pmBOS-SIN
23h 35m1 stop
Cathay Pacific Logo
8:15 pm - 10:00 pmSIN-BOS
38h 45m1 stop
$843Cathay Pacific
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Tue, Nov 18 - Tue, Nov 25
Korean Air Logo
11:00 am - 12:10 amBOS-SIN
24h 10m1 stop
Korean Air Logo
10:40 am - 8:40 amSIN-BOS
35h 00m1 stop
$847Korean Air
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Thu, Nov 20 - Wed, Nov 26
United Airlines Logo
10:00 am - 6:15 amBOS-SIN
32h 15m2 stops
United Airlines Logo
8:40 pm - 2:39 pmSIN-BOS
29h 59m2 stops
$848United Airlines
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Mon, Oct 20 - Wed, Oct 22
Delta Logo
7:50 am - 5:00 amBOS-SIN
33h 10m2 stops
Delta Logo
7:30 am - 11:48 pmSIN-BOS
28h 18m2 stops
$904Delta
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Mon, Mar 30 - Wed, Apr 8

Etihad Airways flights from Boston to Singapore

Our best Etihad Airways deals on Boston to Singapore flight tickets
Etihad Airways
Oct 20
BOS4:30 pmBoston Logan Intl
29h 10m
1 stop
SIN9:40 amSingapore Changi
Oct 22
SIN9:10 pmSingapore Changi
29h 45m
1 stop
BOS2:55 pmBoston Logan Intl
$844
Find similar
Etihad Airways
Oct 20
BOS4:30 pmBoston Logan Intl
29h 10m
1 stop
SIN9:40 amSingapore Changi
Oct 26
SIN7:25 pmSingapore Changi
31h 45m
1 stop
BOS3:10 pmBoston Logan Intl
$851
Find similar
Etihad Airways
Nov 2
BOS3:40 pmBoston Logan Intl
28h 55m
1 stop
SIN9:35 amSingapore Changi
Nov 9
SIN7:25 pmSingapore Changi
31h 45m
1 stop
BOS2:10 pmBoston Logan Intl
$867
Find similar

Cathay Pacific flights from Boston to Singapore

Our best Cathay Pacific deals on Boston to Singapore flight tickets
Cathay Pacific
Oct 26
BOS1:30 amBoston Logan Intl
22h 25m
1 stop
SIN11:55 amSingapore Changi
Nov 11
SIN2:05 pmSingapore Changi
20h 55m
1 stop
BOS10:00 pmBoston Logan Intl
$834
Find similar
Cathay Pacific
Nov 18
BOS12:30 amBoston Logan Intl
23h 35m
1 stop
SIN1:05 pmSingapore Changi
Nov 25
SIN8:15 pmSingapore Changi
38h 45m
1 stop
BOS10:00 pmBoston Logan Intl
$843
Find similar
Cathay Pacific
Oct 26
BOS1:30 amBoston Logan Intl
40h 10m
1 stop
SIN5:40 amSingapore Changi
Nov 10
SIN1:25 amSingapore Changi
33h 35m
1 stop
BOS10:00 pmBoston Logan Intl
$846
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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 October 9, 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

Sun 2/1

8:00 pm-5:35 pm

1 stop32h 35m

Singapore Changi

Sun 2/22

10:25 am-6:05 pm

1 stop44h 40m

$833

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 10/26

1:30 am-11:55 am

1 stop22h 25m

Singapore Changi

Tue 11/11

2:05 pm-10:00 pm

1 stop20h 55m

$834

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 10/27

8:00 am-7:00 am

1 stop35h 00m

Singapore Changi

Tue 11/11

10:20 pm-10:34 am

2 stops25h 14m

$835

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 3/1

8:00 pm-8:45 am

1 stop23h 45m

Singapore Changi

Fri 3/6

11:25 pm-6:05 pm

1 stop31h 40m

$837

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 3/30

9:50 pm-8:35 am

1 stop22h 45m

Singapore Changi

Thu 4/9

5:25 am-7:55 pm

1 stop26h 30m

$839

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 10/27

7:54 pm-8:15 pm

2 stops36h 21m

Singapore Changi

Tue 11/11

10:20 pm-8:06 am

1 stop22h 46m

$841

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 11/18

12:30 am-1:05 pm

1 stop23h 35m

Singapore Changi

Tue 11/25

8:15 pm-10:00 pm

1 stop38h 45m

$843

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 11/20

11:00 am-12:10 am

1 stop24h 10m

Singapore Changi

Wed 11/26

10:40 am-8:40 am

1 stop35h 00m

$847

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 10/20

10:00 am-6:15 am

2 stops32h 15m

Singapore Changi

Wed 10/22

8:40 pm-2:39 pm

2 stops29h 59m

$848

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 3/30

7:50 am-5:00 am

2 stops33h 10m

Singapore Changi

Wed 4/8

7:30 am-11:48 pm

2 stops28h 18m

$904

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 $959. 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 $1,199 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 2% 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 23% 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
3,996 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $819Free CancellationRating
8.4
1,148 reviews
Search Korean Air flights
Etihad AirwaysPriceFrom $823Free CancellationRating
7.4
1,274 reviews
Search Etihad Airways flights
Air CanadaPriceFrom $832Free CancellationRating
7.1
10,263 reviews
Search Air Canada flights
United AirlinesPriceFrom $837Free CancellationRating
7.4
8,966 reviews
Search United Airlines flights
Cathay PacificPriceFrom $872Free CancellationRating
7.6
1,020 reviews
Search Cathay Pacific flights
Japan AirlinesPriceFrom $875Free CancellationRating
8.3
1,577 reviews
Search Japan Airlines flights
American AirlinesPriceFrom $897Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $902Free CancellationRating
7.9
7,971 reviews
Search Delta flights
Singapore AirlinesPriceFrom $920Free CancellationRating
8.1
1,377 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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