$372 Cheap Flights from Boston (BOS) to Singapore (SIN)

View $372 flight on Tue, Mar 31, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Singapore Changi Airport (SIN)

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Cheap Flights from Boston to Singapore (BOS-SIN)

Prices were available within the past 7 days and start at $372 for one-way flights and $742 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Aug 26 - Mon, Sep 14
BOS
Boston
SIN
Singapore
$742 Roundtrip, found 1 hour ago
$742
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Aug 26 from Boston to Singapore, returning Mon, Sep 14, priced at $742 found 1 hour ago
Korean Air
Wed, Aug 26 - Sun, Sep 13
BOS
Boston
SIN
Singapore
$745 Roundtrip, found 1 hour ago
$745
Roundtrip
found 1 hour ago
Select Korean Air flight, departing Wed, Aug 26 from Boston to Singapore, returning Sun, Sep 13, priced at $745 found 1 hour ago
Delta
Tue, Sep 8 - Tue, Nov 10
BOS
Boston
SIN
Singapore
$756 Roundtrip, found 21 hours ago
$756
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Sep 8 from Boston to Singapore, returning Tue, Nov 10, priced at $756 found 21 hours ago
All Nippon Airways
Tue, Oct 27 - Wed, Nov 4
BOS
Boston
SIN
Singapore
$799 Roundtrip, found 7 hours ago
$799
Roundtrip
found 7 hours ago
Select All Nippon Airways flight, departing Tue, Oct 27 from Boston to Singapore, returning Wed, Nov 4, priced at $799 found 7 hours ago
Etihad Airways
Tue, Feb 24 - Wed, Mar 4
BOS
Boston
SIN
Singapore
$800 Roundtrip, found 5 hours ago
$800
Roundtrip
found 5 hours ago
Select Etihad Airways flight, departing Tue, Feb 24 from Boston to Singapore, returning Wed, Mar 4, priced at $800 found 5 hours ago
Cathay Pacific
Wed, Sep 30 - Tue, Oct 6
BOS
Boston
SIN
Singapore
$849 Roundtrip, found 15 hours ago
$849
Roundtrip
found 15 hours ago
Select Cathay Pacific flight, departing Wed, Sep 30 from Boston to Singapore, returning Tue, Oct 6, priced at $849 found 15 hours ago
Turkish Airlines
Thu, Mar 19 - Wed, Mar 25
BOS
Boston
SIN
Singapore
$883 Roundtrip, found 6 days ago
$883
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Thu, Mar 19 from Boston to Singapore, returning Wed, Mar 25, priced at $883 found 6 days ago
Air Canada
Tue, Mar 24 - Tue, Apr 21
BOS
Boston
SIN
Singapore
$933 Roundtrip, found 3 hours ago
$933
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Tue, Mar 24 from Boston to Singapore, returning Tue, Apr 21, priced at $933 found 3 hours ago
Japan Airlines
Wed, Apr 8 - Tue, Apr 21
BOS
Boston
SIN
Singapore
$936 Roundtrip, found 4 days ago
$936
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Wed, Apr 8 from Boston to Singapore, returning Tue, Apr 21, priced at $936 found 4 days ago
American Airlines
Wed, Feb 18 - Tue, Mar 3
BOS
Boston
SIN
Singapore
$966 Roundtrip, found 4 days ago
$966
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Feb 18 from Boston to Singapore, returning Tue, Mar 3, priced at $966 found 4 days ago

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Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Senai Intl. JHB. Average driving time to city center is 48 minutes. Flights from $1,098
JHB
Senai Intl.
Average driving time to city center48 min
Flights from $1,098

Find the cheapest month to fly from Boston (BOS) to Singapore (SIN)

January is typically the cheapest month to fly

From $778 - $2,207 per traveler.

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) cost?
You can find cheap one-way flights from $372 and cheap return flights from $742 Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) with Expedia. One-way flights generally range between $477 and $10032, and roundtrip flights usually range from $1225 to $10751. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)?
September is the cheapest month to fly from Boston (BOS) to Singapore (SIN), with average round-trip fares around $995. This price is about 25% lower than the average throughout the year, as September is generally a quieter travel month after the summer rush. Other affordable months to fly from Boston to Singapore include August and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)?
Enter BOS to SIN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)?
TAP Portugal is one of the cheapest airlines offering connecting flights from Logan Intl. (BOS) to Changi (SIN) with a layover in Humberto Delgado (LIS), starting from around $1,317 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)?
When traveling from Boston (BOS) to Singapore (SIN), September and October are your best options. September features an average price of around $995, while October is also popular, giving you a chance to experience Singapore's vibrant culture and attractions.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)?
The earliest flight from Logan International (BOS) to Changi (SIN) generally departs at around 12:30 AM, operated by Cathay Pacific. This seasonal service is available in February, giving you a chance to maximize your time in Singapore. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)?
For flights from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi), the most popular departure times are from midnight to 3am. This time window captures about 20% of total traffic. Cathay Pacific operates flights during this period. Many travelers prefer this timing as it allows for a full day of activities before heading to the airport.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)?
A flight from BOS to SIN with a layover takes around 22 hours 50 minutes, with the route covering approximately 9,401 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)?
You can fly business class between BOS and SIN. Airlines that offer business class service on this route include:

  • Swiss International Air Lines
  • American Airlines
  • Emirates
  • Qatar Airways
  • Cathay Pacific
  • Lufthansa
  • United Airlines
  • Turkish Airlines
  • Air Canada
  • Etihad Airways

First class cabins are available on:

  • Swiss International Air Lines
  • Emirates
  • British Airways
  • Lufthansa
  • American Airlines

How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Singapore from Logan Intl. (BOS)?
From Logan Intl. (BOS), you can fly into Changi (SIN) to reach Singapore. Some flights may connect through major hubs like John F. Kennedy Intl. (JFK), O'Hare Intl. (ORD), ZRH (ZRH) before reaching Singapore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) Singapore Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)?
If you booked your Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Emirates, Etihad Airways, Japan Airlines, JetBlue Airways, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$741
Distance
9399 mi

Book with confidence

Boston to Singapore Flights

The cheapest times to fly from Boston to Singapore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Singapore are during the month of August. You can find some of the cheapest flights from Boston to Singapore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Singapore

Sunday is one of the best days to book for cheap flights from Boston to Singapore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Singapore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Singapore in 2026. You can also book with separate airlines for your outbound and return journeys, from $372 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Singapore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Singapore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boston to Singapore Flights

*Flight schedules are subject to change.

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*Available to One Key members.