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Cheap flights from Boston to Singapore from $371

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 4/8. 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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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.
Etihad Airways Logo
4:25 pm - 9:40 am
BOS
-
SIN
29h 15m
1 stop
Etihad Airways Logo
9:00 pm - 2:40 pm
SIN
-
BOS
29h 40m
1 stop
$877Etihad Airways
Fri, May 8 - Thu, May 21
United Airlines Logo
8:15 pm - 6:35 pm
BOS
-
SIN
34h 20m
1 stop
United Airlines Logo
8:45 am - 8:01 am
SIN
-
BOS
35h 16m
1 stop
$882United Airlines
Sun, May 10 - Tue, May 26
Cathay Pacific Logo
1:45 am - 3:40 pm
BOS
-
SIN
25h 55m
1 stop
Cathay Pacific Logo
1:25 pm - 11:05 pm
SIN
-
BOS
21h 40m
1 stop
$887Cathay Pacific
Mon, Sep 7 - Tue, Sep 15
Etihad Airways Logo
4:25 pm - 9:40 am
BOS
-
SIN
29h 15m
1 stop
Etihad Airways Logo
9:00 pm - 2:40 pm
SIN
-
BOS
29h 40m
1 stop
$888Etihad Airways
Sun, May 10 - Sun, May 24
Etihad Airways Logo
4:25 pm - 9:40 am
BOS
-
SIN
29h 15m
1 stop
Etihad Airways Logo
9:00 pm - 2:40 pm
SIN
-
BOS
29h 40m
1 stop
$890Etihad Airways
Fri, Apr 24 - Fri, May 1
United Airlines Logo
6:00 am - 6:35 pm
BOS
-
SIN
24h 35m
1 stop
United Airlines Logo
8:45 am - 11:25 pm
SIN
-
BOS
26h 40m
1 stop
$891United Airlines
Tue, Sep 8 - Tue, Sep 15
Etihad Airways Logo
4:25 pm - 9:40 am
BOS
-
SIN
29h 15m
1 stop
Etihad Airways Logo
9:00 pm - 2:40 pm
SIN
-
BOS
29h 40m
1 stop
$893Etihad Airways
Fri, Apr 24 - Sun, May 3
United Airlines Logo
8:15 pm - 6:35 pm
BOS
-
SIN
34h 20m
1 stop
United Airlines Logo
8:35 pm - 11:01 am
SIN
-
BOS
26h 26m
2 stops
$896United Airlines
Sun, May 3 - Wed, May 13
Etihad Airways Logo
4:25 pm - 9:40 am
BOS
-
SIN
29h 15m
1 stop
Etihad Airways Logo
9:00 pm - 2:40 pm
SIN
-
BOS
29h 40m
1 stop
$897Etihad Airways
Fri, Apr 10 - 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
$900United Airlines
Mon, Apr 20 - Tue, May 5

Etihad Airways flights from Boston to Singapore

Our best Etihad Airways deals on Boston to Singapore flight tickets
Etihad Airways
May 8
BOS4:25 pmBoston Logan Intl
29h 15m
1 stop
SIN9:40 amSingapore Changi
May 27
SIN9:00 pmSingapore Changi
29h 40m
1 stop
BOS2:40 pmBoston Logan Intl
$877
Etihad Airways
May 10
BOS4:25 pmBoston Logan Intl
29h 15m
1 stop
SIN9:40 amSingapore Changi
May 24
SIN9:00 pmSingapore Changi
29h 40m
1 stop
BOS2:40 pmBoston Logan Intl
$888
Etihad Airways
Apr 24
BOS4:25 pmBoston Logan Intl
29h 15m
1 stop
SIN9:40 amSingapore Changi
May 1
SIN9:00 pmSingapore Changi
29h 40m
1 stop
BOS2:40 pmBoston Logan Intl
$890

Delta flights from Boston to Singapore

Our best Delta deals on Boston to Singapore flight tickets
Delta
Sep 1
BOS5:45 pmBoston Logan Intl
37h 30m
2 stops
SIN7:15 pmSingapore Changi
Sep 17
SIN7:30 amSingapore Changi
28h 26m
2 stops
BOS11:56 pmBoston Logan Intl
$904
Delta
Apr 26
BOS5:50 amBoston Logan Intl
35h 10m
2 stops
SIN5:00 amSingapore Changi
May 4
SIN7:30 amSingapore Changi
35h 25m
2 stops
BOS6:55 amBoston Logan Intl
$954
Delta
Apr 25
BOS6:00 pmBoston Logan Intl
47h 00m
2 stops
SIN5:00 amSingapore Changi
May 4
SIN7:30 amSingapore Changi
35h 25m
2 stops
BOS6:55 amBoston Logan Intl
$962

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 22, 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

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Fri 5/8

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Thu 5/21

9:00 pm-2:40 pm

1 stop29h 40m

$877

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 5/10

8:15 pm-6:35 pm

1 stop34h 20m

Singapore Changi

Tue 5/26

8:45 am-8:01 am

1 stop35h 16m

$882
Quickest round-trip

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 9/7

1:45 am-3:40 pm

1 stop25h 55m

Singapore Changi

Tue 9/15

1:25 pm-11:05 pm

1 stop21h 40m

$887

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 5/10

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Sun 5/24

9:00 pm-2:40 pm

1 stop29h 40m

$888

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Fri 4/24

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Fri 5/1

9:00 pm-2:40 pm

1 stop29h 40m

$890

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 9/8

6:00 am-6:35 pm

1 stop24h 35m

Singapore Changi

Tue 9/15

8:45 am-11:25 pm

1 stop26h 40m

$891

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Fri 4/24

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Sun 5/3

9:00 pm-2:40 pm

1 stop29h 40m

$893

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 5/3

8:15 pm-6:35 pm

1 stop34h 20m

Singapore Changi

Wed 5/13

8:35 pm-11:01 am

2 stops26h 26m

$896

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Fri 4/10

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Sun 4/26

9:00 pm-2:40 pm

1 stop29h 40m

$897

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 4/20

5:45 am-6:40 am

2 stops36h 55m

Singapore Changi

Tue 5/5

8:35 pm-8:23 am

1 stop23h 48m

$900

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 $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 3% 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

22h 00m

Direct flights

None
The fastest flight from Boston to Singapore takes 22h 00m
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 00m.

  • 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
4,268 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $764Free CancellationRating
8.4
1,205 reviews
Search Korean Air flights
Etihad AirwaysPriceFrom $788Free CancellationRating
7.3
1,430 reviews
Search Etihad Airways flights
Cathay PacificPriceFrom $815Free CancellationRating
7.6
1,222 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $826Free CancellationRating
7.4
9,456 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $828Free CancellationRating
8.3
1,745 reviews
Search Japan Airlines flights
DeltaPriceFrom $902Free CancellationRating
7.9
8,313 reviews
Search Delta flights
Qatar AirwaysPriceFrom $967Free CancellationRating
7.4
3,733 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,015Free CancellationRating
7.2
2,909 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