$449 Cheap Flights from Boston (BOS) to Singapore (SIN)

You can find cheap one-way flights from $449 and cheap return flights from $822 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.

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.

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.

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.

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

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.