Boston (BOS) to Singapore (SIN) at a glance

Explore numerous airlines operating flights from Boston Logan International Airport (BOS) to Singapore Changi Airport (SIN) on this international long-haul route. Compare choices between full-service and budget-friendly carriers to discover the itinerary that aligns with your budget, schedule, and travel aspirations as you delve into Singapore's renowned attractions and neighborhoods. Find essential flight details for your journey from BOS to SIN.

• Fastest flight duration: around 20 hours in-flight, plus roughly 2h 45m layover with one stop
• Route distance: roughly 9,400 miles (15,130 km)
• Flights per week: around 10 departures on average
• Typical fares (one-way): economy tickets often range from $395–$1250, depending on seasonality and how far ahead you book

Flights from Logan International Airport (BOS) to Changi Airport (SIN)

Based on the latest traveler bookings, here are the top airlines favored for flights from Boston to Singapore, particularly for one-stop and multi-stop journeys. Common layover spots include Hong Kong International Airport (HKG) with an approximate 3-hour layover, San Francisco International Airport (SFO) offering around 1 hour and 30 minutes, and Hamad International Airport (DOH) with a layover of about 3 hours and 15 minutes. These options allow you to customize your travel experience by balancing price, total travel time, and cabin class to discover the best itinerary for your needs.

• Cathay Pacific: This full-service airline provides one-stop journeys, with one-way ticket prices generally falling between $430 and $3680. It represents about 22% of the flights on this route, featuring an in-flight duration of 20 hours and a total travel time of approximately 23 hours and 30 minutes, including layover time.
• United: A comprehensive service airline, United offers both one-stop and multi-stop options, with one-way fares typically ranging from $395 to $1170. It accounts for roughly 20% of the departures along this route, with a standard in-flight time of 20 hours and a total journey duration of around 23 hours and 30 minutes.
• Turkish Airlines: As a full-service airline providing one-stop services, Turkish Airlines has one-way fares averaging between $425 and $2890. It represents about 9% of the departures on this route, with a flying time of 20 hours and a total travel time close to 23 hours and 30 minutes, including layover.
• Qatar Airways: Known for its full-service offerings, Qatar Airways provides one-stop flights with one-way fares typically ranging from $480 to $1065. This carrier accounts for around 8% of departures on this route, with an in-flight duration of 20 hours and a total travel time of about 23 hours and 30 minutes, including layover.
• Japan Airlines: Offering full-service one-stop flights, Japan Airlines has one-way fares that usually range from $475 to $3180. It makes up approximately 7% of the departures along this route, featuring an in-flight time of 20 hours and a total journey duration of roughly 23 hours and 30 minutes, including layover.

Travelers flying from Boston to Singapore can enhance their journey by upgrading their flight. Notable airlines include Cathay Pacific, which provides both business class and premium economy options, as well as American Airlines and All Nippon Airways, both offering business class service.

Best time to fly from Boston (BOS) to Singapore (SIN)

The most popular months for travelers flying from Boston to Singapore are January, February, and March, when peak temperatures in Singapore reach up to 81.3°F in March. If you prefer quieter travel, consider May, the least busy time to visit with temperatures around 83.3°F and typically the lowest average one-way fare (around $815). Flight availability peaks in March, April, and September, with approximately 11 flights per week, making it easier to find convenient departure times. July, August, and October have the fewest flights, with approximately 8 flights per week.

• Cheapest time to fly: May usually offers good deals with average one-way fare around $815, roughly 20% cheaper than the yearly average.
• Another budget-friendly time to fly: September typically offers an average one-way fare of around $874.
• Most flight options: March, April, and September have the highest number of flights from Boston to Singapore, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.

Month	Temperature	Demand	Weekly Flights	Average one-way Fare
January	79.7°F (26.5°C)	High	10	$1018
February	80.2°F (26.8°C)	High	10	$982
March	81.3°F (27.4°C)	High	11	$997
April	82.6°F (28.1°C)	Average	11	$978
May	83.3°F (28.5°C)	Low	9	$815
June	82.9°F (28.3°C)	Average	10	$1077
July	82.4°F (28.0°C)	Low	8	$1220
August	82.2°F (27.9°C)	Average	8	$1071
September	82.0°F (27.8°C)	Average	11	$874
October	82.2°F (27.9°C)	Low	8	$936
November	81.3°F (27.4°C)	Average	9	$1017
December	80.2°F (26.8°C)	Average	10	$1374

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Boston (BOS) to Singapore (SIN)

• Boston to Singapore (BOS-XSP): Seletar Airport (XSP) is located approximately 10 miles from Changi Airport (SIN).

How to find the best prices for flights from Boston (BOS) to Singapore (SIN)

Getting some of the best deals on flights from Boston to Singapore is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers book between two to eight weeks ahead. Afternoon departures (12 PM to 6 PM) often provide lower prices, while evening flights (6 PM to 12 AM) are more popular. Additionally, flying on Tuesday typically offers cheaper rates, but Thursday remains the most traveled day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Singapore hotel and flight deals.
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Changi Airport from Logan International Airport

Singapore welcomes travelers from Boston with a range of transport options based on price, convenience, and proximity. Here's how to reach Singapore efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Singapore, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
• Car rental: Renting a car from Changi Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Changi Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Changi Airport, F Station, a metro station, is located about 0.1 miles away on foot, while Tanah Merah Ferry Terminal, a ferry terminal, is situated approximately 4.9 miles from the airport and is best accessed by car.