$364+ Cheap flights from Boston (BOS) to Singapore
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
Apr 10 — Apr 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Singapore with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Singapore
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to SingaporeExplore the most affordable flight options available from Boston to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
Explore the most affordable flight options available from Boston to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:11 pm
BOS
- SIN
1 stop24h 04m
United Airlines
Sat 10/108:35 pm
SIN
- BOS
1 stop23h 48m
United Airlines
Deal found 3/6![United Airlines logo]()
$891
This KAYAK deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:45 am
BOS
- SIN
1 stop22h 00m
Cathay Pacific
Wed 10/141:25 pm
SIN
- BOS
1 stop21h 40m
Cathay Pacific
Deal found 3/6![Cathay Pacific logo]()
$895
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:30 pm
BOS
- SIN
2 stops35h 05m
United Airlines
Wed 4/228:35 pm
SIN
- BOS
2 stops28h 11m
United Airlines
Deal found 3/10![United Airlines logo]()
$896
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:35 am
BOS
- SIN
1 stop43h 00m
United Airlines
Fri 9/188:45 am
SIN
- BOS
2 stops27h 09m
United Airlines
Deal found 3/10![United Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:30 am
BOS
- SIN
2 stops28h 25m
United Airlines
Fri 12/410:10 am
SIN
- BOS
1 stop24h 32m
United Airlines
Deal found 3/7![United Airlines logo]()
$903
This KAYAK deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:40 pm
BOS
- SIN
1 stop28h 55m
Etihad Airways
Fri 3/277:25 pm
SIN
- BOS
1 stop31h 45m
Etihad Airways
Deal found 3/10![Etihad Airways logo]()
$904
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:30 am
BOS
- SIN
2 stops32h 30m
Delta
Sun 5/310:00 pm
SIN
- BOS
2 stops31h 39m
Delta
Deal found 3/10![Delta logo]()
$905
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:07 am
BOS
- SIN
1 stop33h 08m
United Airlines
Mon 8/318:45 am
SIN
- BOS
2 stops36h 38m
United Airlines
Deal found 3/9![United Airlines logo]()
$910
This Cheapflightsfares deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:40 pm
BOS
- SIN
1 stop28h 55m
Etihad Airways
Sun 3/299:00 pm
SIN
- BOS
1 stop29h 40m
Etihad Airways
Deal found 3/9![Etihad Airways logo]()
$911
This oojo deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:40 pm
BOS
- SIN
1 stop23h 05m
Qatar Airways
Thu 3/193:15 am
SIN
- BOS
1 stop23h 40m
Qatar Airways
Deal found 3/7![Qatar Airways logo]()
$912
This oojo deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:40 pm
BOS
- SIN
1 stop23h 05m
Qatar Airways
Wed 3/183:15 am
SIN
- BOS
1 stop23h 40m
Qatar Airways
Deal found 3/6![Qatar Airways logo]()
$913
Best flights from Boston to SingaporeDiscover carefully curated flight deals from Boston to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
Discover carefully curated flight deals from Boston to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:15 pm
BOS
- SIN
1 stop34h 20m
United Airlines
Sun 5/108:35 pm
SIN
- BOS
2 stops26h 26m
United Airlines
Deal found 3/7![United Airlines logo]()
$896
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:35 am
BOS
- SIN
2 stops34h 25m
Delta
Mon 4/131:25 am
SIN
- BOS
2 stops34h 33m
Delta
Deal found 3/9![Delta logo]()
$905
This Qatar Airways deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:00 pm
BOS
- SIN
2 stops31h 30m
Qatar Airways
Sat 4/113:15 am
SIN
- BOS
1 stop24h 00m
Qatar Airways
Deal found 3/7![Qatar Airways logo]()
$1,085
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/193:05 pm
BOS
- SIN
2 stops27h 40m
United Airlines
Thu 5/78:35 pm
SIN
- BOS
2 stops28h 11m
United Airlines
Deal found 3/8![United Airlines logo]()
$921
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:30 am
BOS
- SIN
2 stops32h 30m
Delta
Thu 4/231:25 am
SIN
- BOS
2 stops28h 14m
Delta
Deal found 3/10![Delta logo]()
$955
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:54 am
BOS
- SIN
2 stops30h 21m
United Airlines
Tue 8/258:35 pm
SIN
- BOS
2 stops34h 41m
United Airlines
Deal found 3/8![United Airlines logo]()
$971
This oojo deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/219:40 pm
BOS
- SIN
2 stops29h 50m
Qatar Airways
Wed 3/253:15 am
SIN
- BOS
1 stop23h 40m
Qatar Airways
Deal found 3/5![Qatar Airways logo]()
$1,135
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:41 am
BOS
- SIN
2 stops33h 04m
United Airlines
Thu 4/169:00 am
SIN
- BOS
2 stops26h 59m
United Airlines
Deal found 3/8![United Airlines logo]()
$1,021
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:55 am
BOS
- SIN
2 stops28h 00m
Delta
Sat 4/2510:00 pm
SIN
- BOS
2 stops27h 45m
Delta
Deal found 3/6![Delta logo]()
$1,154
Last-minute flights from Boston to SingaporeDiscover last-minute flight deals from Boston to Singapore. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Singapore. Data last updated March 11, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:40 pm
BOS
- SIN
1 stop23h 05m
Qatar Airways
Wed 3/183:15 am
SIN
- BOS
1 stop23h 40m
Qatar Airways
Deal found 3/6![Qatar Airways logo]()
$913
This oojo deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:40 pm
BOS
- SIN
1 stop23h 05m
Qatar Airways
Thu 3/193:15 am
SIN
- BOS
1 stop23h 40m
Qatar Airways
Deal found 3/7![Qatar Airways logo]()
$912
This Cheapflightsfares deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:40 pm
BOS
- SIN
1 stop28h 55m
Etihad Airways
Sun 3/299:00 pm
SIN
- BOS
1 stop29h 40m
Etihad Airways
Deal found 3/9![Etihad Airways logo]()
$911
This Etihad Airways deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:40 pm
BOS
- SIN
1 stop28h 55m
Etihad Airways
Tue 3/247:25 pm
SIN
- BOS
1 stop31h 45m
Etihad Airways
Deal found 3/9![Etihad Airways logo]()
$917
This KAYAK deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:40 pm
BOS
- SIN
1 stop28h 55m
Etihad Airways
Fri 3/277:25 pm
SIN
- BOS
1 stop31h 45m
Etihad Airways
Deal found 3/10![Etihad Airways logo]()
$904
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/511:00 am
BOS
- SIN
2 stops31h 45m
United Airlines
Mon 4/208:35 pm
SIN
- BOS
2 stops30h 13m
United Airlines
Deal found 3/6![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:37 pm
BOS
- SIN
2 stops28h 08m
United Airlines
Thu 4/238:35 pm
SIN
- BOS
2 stops25h 29m
United Airlines
Deal found 3/9![United Airlines logo]()
$920
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:30 am
BOS
- SIN
1 stop25h 05m
United Airlines
Thu 4/169:00 am
SIN
- BOS
2 stops26h 59m
United Airlines
Deal found 3/8![United Airlines logo]()
$916
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:35 am
BOS
- SIN
2 stops30h 20m
Delta
Mon 4/201:25 am
SIN
- BOS
2 stops31h 13m
Delta
Deal found 3/10![Delta logo]()
$905
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:30 pm
BOS
- SIN
2 stops35h 05m
United Airlines
Wed 4/228:35 pm
SIN
- BOS
2 stops28h 11m
United Airlines
Deal found 3/10![United Airlines logo]()
$896
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:30 pm
BOS
- SIN
2 stops35h 05m
United Airlines
Thu 4/239:00 am
SIN
- BOS
2 stops36h 11m
United Airlines
Deal found 3/10![United Airlines logo]()
$910
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:01 pm
BOS
- SIN
1 stop24h 44m
United Airlines
Tue 6/98:35 pm
SIN
- BOS
1 stop23h 26m
United Airlines
Deal found 3/10![United Airlines logo]()
$891
One-way flights from Boston to SingaporeSearch for one-way flight options from Boston to Singapore. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
Search for one-way flight options from Boston to Singapore. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
This Flightnetwork deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:55 pm
BOS
- SIN
1 stop23h 00m
Korean Air
Deal found 3/10![Korean Air logo]()
$364
This Korean Air deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:55 pm
BOS
- SIN
1 stop28h 05m
Korean Air
Deal found 3/10![Korean Air logo]()
$377
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:00 pm
BOS
- SIN
2 stops39h 15m
Delta
Deal found 3/10![Delta logo]()
$379
This Korean Air deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:05 am
BOS
- SIN
2 stops46h 10m
Korean Air
Deal found 3/10![Korean Air logo]()
$382
This ScholarTrip deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:45 am
BOS
- SIN
1 stop25h 55m
Cathay Pacific
Deal found 3/6![Cathay Pacific logo]()
$385
This Korean Air deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:59 pm
BOS
- SIN
2 stops58h 16m
Korean Air
Deal found 3/10![Korean Air logo]()
$393
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:30 am
BOS
- SIN
1 stop25h 05m
United Airlines
Deal found 3/7![United Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:28 pm
BOS
- SIN
2 stops38h 07m
United Airlines
Deal found 3/9![United Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:34 pm
BOS
- SIN
2 stops36h 41m
United Airlines
Deal found 3/7![United Airlines logo]()
$403
This Gurufare deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:30 am
BOS
- SIN
2 stops33h 10m
ANA
Deal found 3/7![ANA logo]()
$404
This FlightHub deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:30 am
BOS
- SIN
2 stops33h 10m
ANA
Deal found 3/8![ANA logo]()
$406
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:50 pm
BOS
- SIN
1 stop38h 25m
United Airlines
Deal found 3/7![United Airlines logo]()
$412
Find flight deals from Boston to Singapore
Keep the following information in mind while searching for Boston to Singapore flight deals. Data was last updated March 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $891 (United Airlines) |
One-way from | $364 (Flightnetwork) |
Popular in | December |
Cheapest in | November |
Average price | $1,021 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
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
Cheapest round-trip
BostonSingapore
BOS - SIN
BOSSIN
Boston Logan Intl
Fri 5/1
8:15 pm-6:35 pm
1 stop34h 20m
Singapore Changi
Sun 5/10
8:35 pm-11:01 am
2 stops26h 26m
$896
BostonSingapore
BOS - SIN
BOSSIN
Boston Logan Intl
Thu 4/9
6:35 am-5:00 am
2 stops34h 25m
Singapore Changi
Mon 4/13
1:25 am-11:58 pm
2 stops34h 33m
$905
BostonSingapore
BOS - SIN
BOSSIN
Boston Logan Intl
Sun 4/19
3:05 pm-6:45 am
2 stops27h 40m
Singapore Changi
Thu 5/7
8:35 pm-12:46 pm
2 stops28h 11m
$921
BostonSingapore
BOS - SIN
BOSSIN
Boston Logan Intl
Thu 4/9
8:30 am-5:00 am
2 stops32h 30m
Singapore Changi
Thu 4/23
1:25 am-5:39 pm
2 stops28h 14m
$955
BostonSingapore
BOS - SIN
BOSSIN
Boston Logan Intl
Tue 8/18
11:54 am-6:15 am
2 stops30h 21m
Singapore Changi
Tue 8/25
8:35 pm-7:16 pm
2 stops34h 41m
$971
BostonSingapore
BOS - SIN
BOSSIN
Boston Logan Intl
Sun 4/12
9:41 am-6:45 am
2 stops33h 04m
Singapore Changi
Thu 4/16
9:00 am-11:59 pm
2 stops26h 59m
$1,021
BostonSingapore
BOS - SIN
BOSSIN
Boston Logan Intl
Thu 4/2
10:00 pm-5:30 pm
2 stops31h 30m
Singapore Changi
Sat 4/11
3:15 am-3:15 pm
1 stop24h 00m
$1,085
Quickest round-trip
BostonSingapore
BOS - SIN
BOSSIN
Boston Logan Intl
Sat 3/21
9:40 pm-3:30 pm
2 stops29h 50m
Singapore Changi
Wed 3/25
3:15 am-2:55 pm
1 stop23h 40m
$1,135
BostonSingapore
BOS - SIN
BOSSIN
Boston Logan Intl
Fri 4/17
7:55 am-11:55 pm
2 stops28h 00m
Singapore Changi
Sat 4/25
10:00 pm-1:45 pm
2 stops27h 45m
$1,154
Cheapest one-way
BostonSingapore
BOS - SIN
BOSSIN
Boston Logan Intl
Wed 4/22
4:00 pm-7:15 pm
2 stops39h 15m
$379
Showing 1-10 of 15 resultsSorted by cheapest first
Best time to book a flight from Boston to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Boston with our price prediction graph.
BOS-SIN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Singapore
BOS-SG0
BOS-SIN
What is the cheapest month to book a flight from Boston to Singapore?
Currently, August is the cheapest month in which you can book a flight from Boston to Singapore (average of $764). Flying from Boston to Singapore in June is currently the most expensive (average of $1,119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Singapore
Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated March 11, 2026.
Peruse reviews from past customers who have flown with Korean Air,Cathay Pacific, andUnited Airlines from Boston to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.3
Food
8.1
Overall
8.4
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Food
8.1
Overall
8.4
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Food
8.1
Overall
8.4
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Food
8.1
Overall
8.4
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Food
8.1
Overall
8.4
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Food
8.1
Overall
8.4
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
Find useful and relevant information for your journey from Boston to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Boston to Singapore
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Singapore by cabin class
Find flights from Boston to Singapore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Singapore flights
Browse other Boston and Singapore flight options. Last updated on March 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from Boston to Singapore
Discover the top 10 airlines that operate flights from Boston to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$764 | Average$949 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$765 | Average$963 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$789 | Average$953 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$789 | Average$1,221 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$826 | Average$1,094 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$828 | Average$1,051 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$902 | Average$1,390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$971 | Average$1,112 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,015 | Average$1,822 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$1,174 | Average$1,421 | FlexibilityNo cancel fee | On-time75% |