Title: Flights to Singapore from Boston from $372 (BOS to SIN) - Expedia.com ![Gardens by the Bay which includes night scenes, a garden and modern architecture](https://images.trvl-media.com/place/6193104/16f05d8e-e7b7-4d2d-b3c7-df61dae96d31.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6193104/16f05d8e-e7b7-4d2d-b3c7-df61dae96d31.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $372 Cheap Flights from Boston (BOS) to Singapore (SIN) [View $372 flight on Thu, Apr 23, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:BOS,to:SIN,departure:4/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:372.00&airProductToken=AQpvCjcI1YIBEgQyNDQxGMGTASCycSiajYsDMKuQiwM4S0AAWAFqCjFfYmFzaWNlY29yCEtKWDBJSEJSCjQI1YIBEgIyORiycSCSaij1kIsDMPuYiwM4S0AAWAFqCjFfYmFzaWNlY29yCEtKWDBJSEJSEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ## Popular airlines from Logan International Airport (BOS) to Singapore Changi Airport (SIN) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EY.svg) Etihad Airways [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:SIN,departure:3/11/2026TANYT&leg2=from:SIN,to:BOS,departure:3/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EY"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:SIN,departure:3/11/2026TANYT&leg2=from:SIN,to:BOS,departure:3/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg) Cathay Pacific [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:SIN,departure:3/11/2026TANYT&leg2=from:SIN,to:BOS,departure:3/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EK.svg) Emirates [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:SIN,departure:3/11/2026TANYT&leg2=from:SIN,to:BOS,departure:3/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:SIN,departure:3/11/2026TANYT&leg2=from:SIN,to:BOS,departure:3/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:SIN,departure:3/11/2026TANYT&leg2=from:SIN,to:BOS,departure:3/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:SIN,departure:3/11/2026TANYT&leg2=from:SIN,to:BOS,departure:3/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## 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. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 1 - Thu, Apr 9 BOS Boston SIN Singapore $742 Roundtrip found 12 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SIN,departure:4/1/2026TANYT&leg2=from:SIN,to:BOS,departure:4/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:741.13&airProductToken=AQprCjUI1YIBEgQyNDQxGMGTASCycSjalYkDMOuYiQM4S0AAWAFqCEVDT0JBU0lDcghLSlgwMEhCUgoyCNWCARICMjkYsnEgkmootZmJAzC7oYkDOEtAAVgBaghFQ09CQVNJQ3IIS0pYMDBIQlIKagoxCNWCARIBMhiSaiCycSjc64kDMOryiQM4S0AAWAFqCEVDT0JBU0lDcghLSlgwMEhCUgo1CNWCARIEMjAwMRiycSDBkwEojvaJAzDx-IkDOEtAAVgBaghFQ09CQVNJQ3IIS0pYMDBIQlISCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Mon, Oct 12 - Mon, Nov 2 BOS Boston SIN Singapore $744 Roundtrip found 21 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SIN,departure:10/12/2026TANYT&leg2=from:SIN,to:BOS,departure:11/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:743.93&airProductToken=AQpoCjIIy4oBEgI5MhjBkwEgyGgo15-aAzD5ppoDOFRAAFgBagdFWVNBVkVScghUSlgwWlBCWgoyCMuKARIDNjQ3GMhoIJJqKOupmgMw7KyaAzhUQAFYAWoHRVlTQVZFUnIIVEpYMFpQQloKaAoyCMuKARIDNjQ4GJJqIMhoKKCFnAMwtYicAzhUQABYAWoHRVlTQVZFUnIIVEpYMFpQQloKMgjLigESAjkxGMhoIMGTASiqj5wDMNSVnAM4VEABWAFqB0VZU0FWRVJyCFRKWDBaUEJaEgoIARABGAEqAktFGAEiBAgBEAEoAigEKAYwAQ) ![All Nippon Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/NH.gif) Thu, Sep 3 - Sun, Sep 20 BOS Boston SIN Singapore $793 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SIN,departure:9/3/2026TANYT&leg2=from:SIN,to:BOS,departure:9/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:792.23&airProductToken=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) ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Wed, Apr 1 - Thu, Apr 9 BOS Boston SIN Singapore $804 Roundtrip found 12 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SIN,departure:4/1/2026TANYT&leg2=from:SIN,to:BOS,departure:4/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:803.53&airProductToken=AQplCjAIxbIBEgE4GMGTASCAPSjpmokDMM2giQM4VEAAWAFqBllCQVNJQ3IIVE5OMDNIMVQKMQjFsgESAzQ5OBiAPSCSaijkpIkDMMSoiQM4VEABWAFqBllCQVNJQ3IIVE5OMDNIMVQKZQoxCMWyARIDNDk5GJJqIIA9KKzxiQMw5PSJAzhUQABYAWoGWUJBU0lDcghUTk4wM0gxVAowCMWyARIBNxiAPSDBkwEo7PiJAzCg_4kDOFRAAVgBagZZQkFTSUNyCFROTjAzSDFUEgoIARABGAEqAkVZGAEiBAgBEAEoAigDKAQwAQ) ![Cathay Pacific](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CX.gif) Tue, Sep 1 - Thu, Sep 10 BOS Boston SIN Singapore $823 Roundtrip found 15 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SIN,departure:9/1/2026TANYT&leg2=from:SIN,to:BOS,departure:9/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:822.83&airProductToken=AQptCjUIw7ABEgM4MTEYwZMBIMcyKJnNlgMwrNSWAzhRQABYAWoJRUNPTkxJR0hUcghRSzIxVVNJUgo0CMOwARIDNzU5GMcyIJJqKIjWlgMw6deWAzhRQAFYAWoJRUNPTkxJR0hUcghRSzIxVVNJUgptCjQIw7ABEgM2MzYYkmogxzIotbWXAzCqt5cDOFFAAFgBaglFQ09OTElHSFRyCFFLMjFVU0tSCjUIw7ABEgM4MTIYxzIgwZMBKJ7AlwMw2ceXAzhRQAFYAWoJRUNPTkxJR0hUcghRSzIxVVNLUhIKCAEQARgBKgJDWBgBIgQIARABKAIoBCgGMAE) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Sun, May 3 - Tue, May 12 BOS Boston SIN Singapore $888 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SIN,departure:5/3/2026TANYT&leg2=from:SIN,to:BOS,departure:5/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:887.23&airProductToken=AQpcCiwI1JYBEgI4MhjBkwEgyJwBKK6FjAMw3omMAzhXQABYAWoCUFNyBldWM1hQQwosCNSWARIDMjA4GMicASCSaiiIi4wDMI2QjAM4V0ABWAFqAlBTcgZXVjNYUEMKXAosCNSWARIDMjA5GJJqIMicASjR34wDMPTkjAM4V0AAWAFqAlBTcgZXVjNYUEMKLAjUlgESAjgxGMicASDBkwEolPCMAzD79IwDOFdAAVgBagJQU3IGV1YzWFBDEhQIAhABGAIqAlRLMghBSVJNT0RUSxgBIgQIARABKAIoAygEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Apr 7 - Thu, Apr 30 BOS Boston SIN Singapore $965 Roundtrip found 18 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SIN,departure:4/7/2026TANYT&leg2=from:SIN,to:BOS,departure:4/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:964.13&airProductToken=AQqaAQozCMGGARIEODY5MxjBkwEgmM4BKNzciQMwzd2JAzhHQABYAWoFQkFTSUNyCEdOQTRBMkJBCjEIwYYBEgIzMxiYzgEguI0BKLXfiQMw1-GJAzhHQAFYAWoFQkFTSUNyCEdOQTRBMkJBCjAIwYYBEgIxORi4jQEgkmootuKJAzD76YkDOEtAAVgBagVCQVNJQ3IIS0xYWTkxQkEKmgEKMAjBhgESAjIwGJJqILiNASiE14sDMNbdiwM4S0AAWAFqBUJBU0lDcghLTFhZOTFCQQoyCMGGARIDMTEwGLiNASCYzgEokeCLAzCh4osDOEdAAVgBagVCQVNJQ3IIR05BNEEyQkEKMgjBhgESAzc3MhiYzgEgwZMBKJfjiwMw_-OLAzhHQAFYAWoFQkFTSUNyCEdOQTRBMkJBEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwDQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Sep 1 - Thu, Sep 10 BOS Boston SIN Singapore $976 Roundtrip found 15 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SIN,departure:9/1/2026TANYT&leg2=from:SIN,to:BOS,departure:9/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:975.33&airProductToken=AQp7CjsIwYIBEgQ4NDc1GMGTASCtnAEovNKWAzCE2ZYDOE9AAFgBagRNQUlOcghPTFgwOENONHoHCMqYARIBNwo8CMGCARIEODQ4MhitnAEgkmoogdqWAzC03ZYDOE9AAVgBagRNQUlOcghPTFgwOENONHoJCMqYARIDNzExCnsKPAjBggESBDg0MTMYkmogrZwBKOWvlwMwjrOXAzhPQABYAWoETUFJTnIIT0xYMDhDTjR6CQjKmAESAzcxMgo7CMGCARIEODQ3NhitnAEgwZMBKJW0lwMwkrqXAzhPQAFYAWoETUFJTnIIT0xYMDhDTjR6BwjKmAESATgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Sep 1 - Thu, Sep 10 BOS Boston SIN Singapore $978 Roundtrip found 15 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SIN,departure:9/1/2026TANYT&leg2=from:SIN,to:BOS,departure:9/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:977.93&airProductToken=AQqyAQo3CMSYARIEMTc0OBjBkwEg47QBKNHQlgMw2NGWAzhFQABYAWoJTUFJTkJBU0lDcghWSlgwWlBCWgo1CMSYARIDMTU5GOO0ASDIaCiZ0pYDMJ3ZlgM4RUABWAFqCU1BSU5CQVNJQ3IIVkpYMFpQQloKQAjEmAESBDc4MjEYyGggkmoopNqWAzCb3ZYDOEVAAVgBaglNQUlOQkFTSUNyCFZKWDBaUEJaegkIy4oBEgM2NDUKrwEKQAjEmAESBDc4MjQYkmogyGgowq-XAzDIspcDOEVAAFgBaglNQUlOQkFTSUNyCFhMRTAzUEJJegkIy4oBEgM2NDgKNAjEmAESAzE5NhjIaCCSASi4tJcDMLW5lwM4RUABWAFqCU1BSU5CQVNJQ3IIWExFMDNQQkkKNQjEmAESAzQ3NBiSASDBkwEov7qXAzCHvZcDOEVAAVgBaglNQUlOQkFTSUNyCFhMRTAzUEJJEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![Japan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/JL.gif) Mon, Mar 2 - Tue, Mar 10 BOS Boston SIN Singapore $991 Roundtrip found 5 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SIN,departure:3/2/2026TANYT&leg2=from:SIN,to:BOS,departure:3/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:990.83&airProductToken=AQprCjMIypgBEgE3GMGTASCtnAEo68eGAzCzzoYDOE9AAFgBaghFQ09TUFBMQ3IIT0xYMDhDTjQKNAjKmAESAzcxMRitnAEgkmoops-GAzDy0oYDOE9AAVgBaghFQ09TUFBMQ3IIT0xYMDhDTjQKawo0CMqYARIDNzEyGJJqIK2cASjvmYcDMISdhwM4T0AAWAFqCEVDT1NQUExDcghPTFgwOENONAozCMqYARIBOBitnAEgwZMBKK6ehwMwq6SHAzhPQAFYAWoIRUNPU1BQTENyCE9MWDA4Q040EgoIARABGAEqAkpMGAEiBAgBEAEoAigDKAQwAQ) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Alternative airports near Singapore Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:JHB,departure:3/11/2026TANYT&leg2=from:JHB,to:BOS,departure:3/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) JHB Senai Intl. 48 min [Flights from $1,256 ](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:JHB,departure:3/11/2026TANYT&leg2=from:JHB,to:BOS,departure:3/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## 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? ### What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)? ### Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)? ### What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)? ### How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)? ### What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)? ### What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)? ### What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)? ### How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)? ### Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)? > - 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? ### What airports do you fly into for Singapore from Logan Intl. (BOS)? ### Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) at the last minute? ### Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi) flight and hotel package? ### Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Singapore (SIN-Changi)? ## Travel information | Origin airport | Logan Intl. | | ------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Changi | | Airlines serving | Air Canada, Alaska Airlines, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Emirates, Etihad Airways, Japan Airlines, JetBlue Airways, KLM, 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 April. 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](https://www.expedia.com/package-deals). 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\. 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