Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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 5/14. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boston to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
1:45 am - 12:25 pm
BOS
-
SIN
22h 40m
1 stop
Cathay Pacific Logo
7:20 am - 11:05 pm
SIN
-
BOS
27h 45m
1 stop
$913Cathay Pacific
So, Sep 6 - Mo, Sep 21
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
$914Etihad Airways
Di, Mai 12 - Di, Jun 30
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
$929Etihad Airways
So, Mai 31 - Sa, Jun 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
$945Etihad Airways
Di, Jun 2 - Di, Jun 16
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
$963Etihad Airways
Mi, Jun 3 - Mo, Jun 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
$968Etihad Airways
Sa, Mai 9 - Fr, Mai 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
$969Etihad Airways
Sa, Mai 30 - Sa, Jun 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
$983Etihad Airways
So, Mai 31 - So, Jun 14
United Airlines Logo
8:16 pm - 6:35 pm
BOS
-
SIN
34h 19m
1 stop
United Airlines Logo
8:35 pm - 8:23 am
SIN
-
BOS
23h 48m
1 stop
$991United Airlines
So, Apr 19 - Do, Mai 7
United Airlines Logo
1:30 pm - 6:35 pm
BOS
-
SIN
41h 05m
2 stops
United Airlines Logo
8:35 pm - 5:14 pm
SIN
-
BOS
32h 39m
1 stop
$995United Airlines
Di, Apr 28 - Di, Mai 5

United Airlines flights from Boston to Singapore

Our best United Airlines deals on Boston to Singapore flight tickets
United Airlines
Apr 19
BOS8:16 pmBoston Logan Intl
34h 19m
1 stop
SIN6:35 pmSingapore Changi
May 7
SIN8:35 pmSingapore Changi
23h 48m
1 stop
BOS8:23 amBoston Logan Intl
$991
United Airlines
Apr 28
BOS1:30 pmBoston Logan Intl
41h 05m
2 stops
SIN6:35 pmSingapore Changi
May 5
SIN8:35 pmSingapore Changi
32h 39m
1 stop
BOS5:14 pmBoston Logan Intl
$995
United Airlines
Apr 19
BOS8:16 pmBoston Logan Intl
34h 19m
1 stop
SIN6:35 pmSingapore Changi
May 7
SIN8:35 pmSingapore Changi
40h 35m
1 stop
BOS1:10 amBoston Logan Intl
$1,000

Etihad Airways flights from Boston to Singapore

Our best Etihad Airways deals on Boston to Singapore flight tickets
Etihad Airways
May 12
BOS4:25 pmBoston Logan Intl
29h 15m
1 stop
SIN9:40 amSingapore Changi
Jun 30
SIN9:00 pmSingapore Changi
29h 40m
1 stop
BOS2:40 pmBoston Logan Intl
$914
Etihad Airways
May 31
BOS4:25 pmBoston Logan Intl
29h 15m
1 stop
SIN9:40 amSingapore Changi
Jun 13
SIN9:00 pmSingapore Changi
29h 40m
1 stop
BOS2:40 pmBoston Logan Intl
$929
Etihad Airways
Jun 2
BOS4:25 pmBoston Logan Intl
29h 15m
1 stop
SIN9:40 amSingapore Changi
Jun 16
SIN9:00 pmSingapore Changi
29h 40m
1 stop
BOS2:40 pmBoston Logan Intl
$945

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 April 2, 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

So 9/6

1:45 am-12:25 pm

1 stop22h 40m

Singapore Changi

Mo 9/21

7:20 am-11:05 pm

1 stop27h 45m

$913

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Di 5/12

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Di 6/30

9:00 pm-2:40 pm

1 stop29h 40m

$914

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

So 5/31

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Sa 6/13

9:00 pm-2:40 pm

1 stop29h 40m

$929

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Di 6/2

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Di 6/16

9:00 pm-2:40 pm

1 stop29h 40m

$945

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mi 6/3

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Mo 6/15

9:00 pm-2:40 pm

1 stop29h 40m

$963

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sa 5/9

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Fr 5/15

9:00 pm-2:40 pm

1 stop29h 40m

$968

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sa 5/30

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

Sa 6/13

9:00 pm-2:40 pm

1 stop29h 40m

$969

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

So 5/31

4:25 pm-9:40 am

1 stop29h 15m

Singapore Changi

So 6/14

9:00 pm-2:40 pm

1 stop29h 40m

$983

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

So 4/19

8:16 pm-6:35 pm

1 stop34h 19m

Singapore Changi

Do 5/7

8:35 pm-8:23 am

1 stop23h 48m

$991

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Di 4/28

1:30 pm-6:35 pm

2 stops41h 05m

Singapore Changi

Di 5/5

8:35 pm-5:14 pm

1 stop32h 39m

$995

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $934. 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 $1,163 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 April 2026, prices for Boston to Singapore flights are approximately 15% 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

21h 30m

Direct flights

None
The fastest flight from Boston to Singapore takes 21h 30m
There are no direct flights from Boston to Singapore. There are no popular flight routes from Boston to Singapore.
Search flight deals

Frequently asked questions about flying from Boston to Singapore

  • 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 21h 30m.

  • 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
4,293 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $764Free CancellationRating
8.4
1,203 reviews
Search Korean Air flights
Etihad AirwaysPriceFrom $788Free CancellationRating
7.3
1,432 reviews
Search Etihad Airways flights
Cathay PacificPriceFrom $789Free CancellationRating
7.6
1,239 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $826Free CancellationRating
7.4
9,534 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $828Free CancellationRating
8.3
1,762 reviews
Search Japan Airlines flights
DeltaPriceFrom $902Free CancellationRating
7.9
8,372 reviews
Search Delta flights
Qatar AirwaysPriceFrom $967Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,015Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
EmiratesPriceFrom $1,177Free CancellationRating
8.1
3,553 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sa 5/2
Sa 5/9
By creating a price alert you accept our terms of use and privacy policy.

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