Cheap flights from Boston to Singapore from $401

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 1/28. 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.

Find the cheapest flights from Boston to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
8:40 pm - 10:20 amBOS-SIN
24h 40m2 stops
Qatar Airways Logo
3:15 am - 2:20 pmSIN-BOS
24h 05m1 stop
$1,015Qatar Airways
Find Deal
Sat, Feb 14 - Sun, Feb 22
Japan Airlines Logo
12:30 pm - 5:25 pmBOS-SIN
39h 55m2 stops
Japan Airlines Logo
2:20 am - 10:56 pmSIN-BOS
33h 36m2 stops
$1,016Japan Airlines
Find Deal
Sat, Jan 24 - Sat, Jan 31
SAUDIA Logo
6:00 am - 3:30 pmBOS-SIN
44h 30m2 stops
SAUDIA Logo
2:25 am - 3:00 pmSIN-BOS
49h 35m2 stops
$1,018SAUDIA
Find Deal
Mon, Feb 16 - Wed, Feb 25
United Airlines Logo
6:14 pm - 8:15 pmBOS-SIN
37h 01m2 stops
United Airlines Logo
8:40 pm - 8:23 amSIN-BOS
23h 43m1 stop
$1,019United Airlines
Find Deal
Mon, Jan 5 - Sat, May 9
Japan Airlines Logo
7:00 am - 6:35 amBOS-SIN
34h 35m2 stops
Japan Airlines Logo
2:20 am - 10:56 pmSIN-BOS
33h 36m2 stops
$1,020Japan Airlines
Find Deal
Mon, Jan 19 - Fri, Jan 23
Qatar Airways Logo
8:40 pm - 2:55 pmBOS-SIN
29h 15m1 stop
Qatar Airways Logo
3:15 am - 2:20 pmSIN-BOS
24h 05m1 stop
$1,021Qatar Airways
Find Deal
Sat, Jan 24 - Sat, Jan 31
Qatar Airways Logo
8:40 pm - 8:45 amBOS-SIN
23h 05m1 stop
Qatar Airways Logo
3:15 am - 2:20 pmSIN-BOS
24h 05m1 stop
$1,027Qatar Airways
Find Deal
Sat, Jan 24 - Sat, Feb 7
United Airlines Logo
4:49 pm - 8:15 pmBOS-SIN
38h 26m2 stops
United Airlines Logo
11:05 am - 6:18 amSIN-BOS
55h 13m2 stops
$1,028United Airlines
Find Deal
Tue, Jan 6 - Sat, May 9
United Airlines Logo
9:30 am - 6:55 amBOS-SIN
32h 25m2 stops
United Airlines Logo
6:35 am - 11:57 pmSIN-BOS
29h 22m3 stops
$1,036United Airlines
Find Deal
Wed, Mar 4 - Sat, Mar 14
Japan Airlines Logo
7:35 pm - 5:25 pmBOS-SIN
32h 50m2 stops
Japan Airlines Logo
2:20 am - 10:56 pmSIN-BOS
33h 36m2 stops
$1,038Japan Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 17

Qatar Airways flights from Boston to Singapore

Our best Qatar Airways deals on Boston to Singapore flight tickets
Qatar Airways
Feb 14
BOS8:40 pmBoston Logan Intl
24h 40m
2 stops
SIN10:20 amSingapore Changi
Feb 22
SIN3:15 amSingapore Changi
24h 05m
1 stop
BOS2:20 pmBoston Logan Intl
Qatar Airways
Jan 24
BOS8:40 pmBoston Logan Intl
29h 15m
1 stop
SIN2:55 pmSingapore Changi
Jan 31
SIN3:15 amSingapore Changi
24h 05m
1 stop
BOS2:20 pmBoston Logan Intl
Qatar Airways
Jan 24
BOS8:40 pmBoston Logan Intl
23h 05m
1 stop
SIN8:45 amSingapore Changi
Feb 7
SIN3:15 amSingapore Changi
24h 05m
1 stop
BOS2:20 pmBoston Logan Intl

Japan Airlines flights from Boston to Singapore

Our best Japan Airlines deals on Boston to Singapore flight tickets
Japan Airlines
Jan 24
BOS12:30 pmBoston Logan Intl
39h 55m
2 stops
SIN5:25 pmSingapore Changi
Jan 31
SIN2:20 amSingapore Changi
33h 36m
2 stops
BOS10:56 pmBoston Logan Intl
Japan Airlines
Jan 19
BOS7:00 amBoston Logan Intl
34h 35m
2 stops
SIN6:35 amSingapore Changi
Jan 23
SIN2:20 amSingapore Changi
33h 36m
2 stops
BOS10:56 pmBoston Logan Intl
Japan Airlines
Jan 10
BOS7:35 pmBoston Logan Intl
32h 50m
2 stops
SIN5:25 pmSingapore Changi
Jan 17
SIN2:20 amSingapore Changi
33h 36m
2 stops
BOS10:56 pmBoston Logan Intl

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 November 19, 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

Sat 2/14

8:40 pm-10:20 am

2 stops24h 40m

Singapore Changi

Sun 2/22

3:15 am-2:20 pm

1 stop24h 05m

$1,015

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 1/24

12:30 pm-5:25 pm

2 stops39h 55m

Singapore Changi

Sat 1/31

2:20 am-10:56 pm

2 stops33h 36m

$1,016

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 2/16

6:00 am-3:30 pm

2 stops44h 30m

Singapore Changi

Wed 2/25

2:25 am-3:00 pm

2 stops49h 35m

$1,018

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 1/5

6:14 pm-8:15 pm

2 stops37h 01m

Singapore Changi

Sat 5/9

8:40 pm-8:23 am

1 stop23h 43m

$1,019

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 1/19

7:00 am-6:35 am

2 stops34h 35m

Singapore Changi

Fri 1/23

2:20 am-10:56 pm

2 stops33h 36m

$1,020

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 1/24

8:40 pm-2:55 pm

1 stop29h 15m

Singapore Changi

Sat 1/31

3:15 am-2:20 pm

1 stop24h 05m

$1,021

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 1/24

8:40 pm-8:45 am

1 stop23h 05m

Singapore Changi

Sat 2/7

3:15 am-2:20 pm

1 stop24h 05m

$1,027

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 1/6

4:49 pm-8:15 pm

2 stops38h 26m

Singapore Changi

Sat 5/9

11:05 am-6:18 am

2 stops55h 13m

$1,028

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Wed 3/4

9:30 am-6:55 am

2 stops32h 25m

Singapore Changi

Sat 3/14

6:35 am-11:57 pm

3 stops29h 22m

$1,036

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 1/10

7:35 pm-5:25 pm

2 stops32h 50m

Singapore Changi

Sat 1/17

2:20 am-10:56 pm

2 stops33h 36m

$1,038

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 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 $946. 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 $972.

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 $1,173 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 $977 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 November 2025, prices for Boston to Singapore flights are approximately 31% 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.
  • 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
4,047 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $809Free CancellationRating
8.4
1,167 reviews
Search Korean Air flights
Air CanadaPriceFrom $832Free CancellationRating
7.1
10,462 reviews
Search Air Canada flights
United AirlinesPriceFrom $837Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
Cathay PacificPriceFrom $858Free CancellationRating
7.6
1,061 reviews
Search Cathay Pacific flights
Japan AirlinesPriceFrom $875Free CancellationRating
8.3
1,623 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $895Free CancellationRating
7.4
1,305 reviews
Search Etihad Airways flights
American AirlinesPriceFrom $897Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
DeltaPriceFrom $902Free CancellationRating
7.9
8,003 reviews
Search Delta flights
Singapore AirlinesPriceFrom $920Free CancellationRating
8.1
1,406 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.

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/19
Fri 12/26

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