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Cheap flights from Boston to Singapore from $377

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 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:01 pm - 6:45 am
BOS
-
SIN
24h 44m
1 stop
United Airlines Logo
8:35 pm - 8:01 am
SIN
-
BOS
23h 26m
1 stop
$891United Airlines
Sat, Apr 25 - Tue, Jun 9
United Airlines Logo
1:55 pm - 6:45 am
BOS
-
SIN
28h 50m
1 stop
United Airlines Logo
8:45 am - 6:21 am
SIN
-
BOS
33h 36m
1 stop
$892United Airlines
Wed, May 6 - Sat, May 23
United Airlines Logo
8:15 pm - 6:35 pm
BOS
-
SIN
34h 20m
1 stop
United Airlines Logo
9:00 am - 9:59 pm
SIN
-
BOS
24h 59m
2 stops
$896United Airlines
Fri, May 8 - Tue, May 19
Delta Logo
12:55 pm - 5:00 am
BOS
-
SIN
28h 05m
1 stop
Delta Logo
10:00 pm - 8:38 pm
SIN
-
BOS
34h 38m
2 stops
$900Delta
Tue, Apr 14 - Sun, Apr 26
United Airlines Logo
5:45 am - 6:40 am
BOS
-
SIN
36h 55m
2 stops
United Airlines Logo
8:35 pm - 8:23 am
SIN
-
BOS
23h 48m
1 stop
$901United Airlines
Mon, Apr 20 - Sat, May 9
Delta Logo
6:00 am - 5:00 am
BOS
-
SIN
35h 00m
2 stops
Delta Logo
1:25 am - 8:38 pm
SIN
-
BOS
31h 13m
2 stops
$905Delta
Tue, Apr 14 - Wed, Apr 29
Etihad Airways Logo
4:40 pm - 9:35 am
BOS
-
SIN
28h 55m
1 stop
Etihad Airways Logo
9:00 pm - 2:40 pm
SIN
-
BOS
29h 40m
1 stop
$909Etihad Airways
Fri, Mar 27 - Thu, Apr 2
Delta Logo
7:35 pm - 11:55 pm
BOS
-
SIN
40h 20m
2 stops
Delta Logo
1:25 am - 5:40 pm
SIN
-
BOS
28h 15m
2 stops
$910Delta
Sun, Apr 19 - Wed, May 6
Korean Air Logo
6:00 am - 5:00 am
BOS
-
SIN
35h 00m
2 stops
Korean Air Logo
1:25 am - 1:28 am
SIN
-
BOS
36h 03m
2 stops
$911Korean Air
Mon, Apr 20 - Mon, May 11
United Airlines Logo
5:30 am - 6:35 pm
BOS
-
SIN
25h 05m
1 stop
United Airlines Logo
8:35 pm - 11:01 am
SIN
-
BOS
26h 26m
2 stops
$921United Airlines
Wed, Apr 22 - Thu, Apr 30

United Airlines flights from Boston to Singapore

Our best United Airlines deals on Boston to Singapore flight tickets
United Airlines
Aug 27
BOS6:00 amBoston Logan Intl
24h 35m
1 stop
SIN6:35 pmSingapore Changi
Dec 10
SIN10:10 amSingapore Changi
24h 32m
1 stop
BOS9:42 pmBoston Logan Intl
$891
United Airlines
May 6
BOS1:55 pmBoston Logan Intl
28h 50m
1 stop
SIN6:45 amSingapore Changi
May 23
SIN8:45 amSingapore Changi
33h 36m
1 stop
BOS6:21 amBoston Logan Intl
$892
United Airlines
Apr 18
BOS7:30 pmBoston Logan Intl
35h 05m
2 stops
SIN6:35 pmSingapore Changi
Apr 22
SIN8:35 pmSingapore Changi
28h 11m
2 stops
BOS12:46 pmBoston Logan Intl
$896

Delta flights from Boston to Singapore

Our best Delta deals on Boston to Singapore flight tickets
Delta
Apr 14
BOS12:55 pmBoston Logan Intl
28h 05m
1 stop
SIN5:00 amSingapore Changi
Apr 26
SIN10:00 pmSingapore Changi
34h 38m
2 stops
BOS8:38 pmBoston Logan Intl
$900
Delta
Apr 14
BOS6:00 amBoston Logan Intl
35h 00m
2 stops
SIN5:00 amSingapore Changi
Apr 29
SIN1:25 amSingapore Changi
31h 13m
2 stops
BOS8:38 pmBoston Logan Intl
$905
Delta
Apr 19
BOS7:35 pmBoston Logan Intl
40h 20m
2 stops
SIN11:55 pmSingapore Changi
Apr 26
SIN10:00 pmSingapore Changi
30h 20m
2 stops
BOS4:20 pmBoston Logan Intl
$910

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 March 16, 2026.
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

Cheapest round-trip
Quickest round-trip

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 4/25

6:01 pm-6:45 am

1 stop24h 44m

Singapore Changi

Tue 6/9

8:35 pm-8:01 am

1 stop23h 26m

$891

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 5/6

1:55 pm-6:45 am

1 stop28h 50m

Singapore Changi

Sat 5/23

8:45 am-6:21 am

1 stop33h 36m

$892

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Fri 5/8

8:15 pm-6:35 pm

1 stop34h 20m

Singapore Changi

Tue 5/19

9:00 am-9:59 pm

2 stops24h 59m

$896

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 4/14

12:55 pm-5:00 am

1 stop28h 05m

Singapore Changi

Sun 4/26

10:00 pm-8:38 pm

2 stops34h 38m

$900

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 4/20

5:45 am-6:40 am

2 stops36h 55m

Singapore Changi

Sat 5/9

8:35 pm-8:23 am

1 stop23h 48m

$901

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 4/14

6:00 am-5:00 am

2 stops35h 00m

Singapore Changi

Wed 4/29

1:25 am-8:38 pm

2 stops31h 13m

$905

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Fri 3/27

4:40 pm-9:35 am

1 stop28h 55m

Singapore Changi

Thu 4/2

9:00 pm-2:40 pm

1 stop29h 40m

$909

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 4/19

7:35 pm-11:55 pm

2 stops40h 20m

Singapore Changi

Wed 5/6

1:25 am-5:40 pm

2 stops28h 15m

$910

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 4/20

6:00 am-5:00 am

2 stops35h 00m

Singapore Changi

Mon 5/11

1:25 am-1:28 am

2 stops36h 03m

$911

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 4/22

5:30 am-6:35 pm

1 stop25h 05m

Singapore Changi

Thu 4/30

8:35 pm-11:01 am

2 stops26h 26m

$921

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 $929. If you aren’t able to travel to Singapore during the month of November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $944.

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 $1,160 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 $915 on momondo.

Can stopping save me money on Boston to Singapore flights?

You could potentially save up to 11% 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 March 2026, prices for Boston to Singapore flights are approximately 3% 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

Fastest flight time

24h 10m

Direct flights

None
The fastest flight from Boston to Singapore takes 24h 10m
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 24h 10m.

  • 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 $759Free CancellationRating
7.3
4,253 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $764Free CancellationRating
8.4
1,202 reviews
Search Korean Air flights
Etihad AirwaysPriceFrom $789Free CancellationRating
7.3
1,426 reviews
Search Etihad Airways flights
Cathay PacificPriceFrom $815Free CancellationRating
7.6
1,207 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $826Free CancellationRating
7.4
9,429 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $828Free CancellationRating
8.3
1,734 reviews
Search Japan Airlines flights
DeltaPriceFrom $902Free CancellationRating
7.9
8,292 reviews
Search Delta flights
Qatar AirwaysPriceFrom $967Free CancellationRating
7.4
3,739 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,015Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
EmiratesPriceFrom $1,174Free CancellationRating
8.1
3,542 reviews
Search Emirates 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.

An easier way to manage your Singapore trip

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Find better results for your trip to Singapore

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Cathay Pacific
United Airlines
Turkish Airlines
Korean Air
JetBlue
Qatar Airways
Emirates
Delta
Japan Airlines
Etihad Airways