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Cheap flights from Boston to Singapore from S$ 439

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 16-10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SIN
3 Aug — 10 Aug1
1 adult

Cheapflights Tip: The best prices from Boston Logan Intl to Singapore Changi are usually found in November or January, booked 73 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Boston to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 July 2025.

Round-trip from

S$ 1,175

One-way from

S$ 439

Popular in

December

Cheapest in

November

Average price

S$ 1,899
Korean Air
  • Korean Air
  • 14-11-23-11
  • 3 total stops
  • 90h 19m total
  • Boston to Singapore
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ANA
  • ANA
  • 16-10
  • 2 total stops
  • 30h 45m total
  • Boston to Singapore
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Highest demand for flights based on searches. 9% potential increase in price (S$ 216 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (S$ 130 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Boston to Singapore

Cheapest flights from Boston to Singapore
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 29 July 2025.

Fri 14-1111:00BOS - SIN
1 stop29h 00mKorean Air
Sun 23-1111:00SIN - BOS
2 stops61h 19mKorean Air
Deal found 29-7S$ 1,175
Sun 12-1016:15BOS - SIN
1 stop38h 10mUnited Airlines
Sat 25-1008:45SIN - BOS
2 stops27h 14mUnited Airlines
Deal found 27-7S$ 1,179
Tue 9-906:00BOS - SIN
3 stops35h 30mMultiple Airlines
Mon 22-908:10SIN - BOS
2 stops26h 29mMultiple Airlines
Deal found 28-7S$ 1,184
Sat 11-1021:35BOS - SIN
1 stop32h 20mTurkish Airlines
Sat 25-1023:10SIN - BOS
1 stop31h 55mTurkish Airlines
Deal found 27-7S$ 1,186
Mon 13-1006:00BOS - SIN
2 stops34h 00mAir Canada
Tue 21-1009:10SIN - BOS
2 stops36h 20mAir Canada
Deal found 27-7S$ 1,199
Thu 16-1006:00BOS - SIN
2 stops30h 45mANA
Mon 20-1006:15SIN - BOS
2 stops30h 35mANA
Deal found 28-7S$ 1,206
Sat 16-817:30BOS - SIN
2 stops42h 10mDelta
Wed 27-801:10SIN - BOS
2 stops35h 10mDelta
Deal found 27-7S$ 1,211
Thu 13-1100:30BOS - SIN
1 stop23h 35mCathay Pacific
Sun 23-1120:15SIN - BOS
1 stop38h 45mCathay Pacific
Deal found 29-7S$ 1,221
Mon 15-906:30BOS - SIN
2 stops29h 50mJapan Airlines
Wed 24-901:55SIN - BOS
1 stop28h 10mJapan Airlines
Deal found 28-7S$ 1,236
Mon 15-922:00BOS - SIN
1 stop23h 00mQatar Airways
Wed 24-903:10SIN - BOS
1 stop23h 55mQatar Airways
Deal found 28-7S$ 1,263

Cheapflights Fare Finder

 
Customise 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 200,618 searches. Data last updated 29 July 2025.
Use the filters below to find and compare flights from Boston to Singapore that are best for you.

Fly from

Boston

Fly to

Singapore

Route

Depart

Return

Price

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Fri 14-11

11:00-05:00

1 stop29h 00m

Singapore Changi

Sun 23-11

11:00-11:19

2 stops61h 19m

S$ 1,175

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sun 12-10

16:15-18:25

1 stop38h 10m

Singapore Changi

Sat 25-10

08:45-23:59

2 stops27h 14m

S$ 1,179

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Tue 9-9

06:00-05:30

3 stops35h 30m

Singapore Changi

Mon 22-9

08:10-22:39

2 stops26h 29m

S$ 1,184

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 11-10

21:35-17:55

1 stop32h 20m

Singapore Changi

Sat 25-10

23:10-19:05

1 stop31h 55m

S$ 1,186

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 13-10

06:00-04:00

2 stops34h 00m

Singapore Changi

Tue 21-10

09:10-09:30

2 stops36h 20m

S$ 1,199

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 16-10

06:00-00:45

2 stops30h 45m

Singapore Changi

Mon 20-10

06:15-00:50

2 stops30h 35m

S$ 1,206

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Sat 16-8

17:30-23:40

2 stops42h 10m

Singapore Changi

Wed 27-8

01:10-00:20

2 stops35h 10m

S$ 1,211

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Thu 13-11

00:30-13:05

1 stop23h 35m

Singapore Changi

Sun 23-11

20:15-22:00

1 stop38h 45m

S$ 1,221

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 15-9

06:30-00:20

2 stops29h 50m

Singapore Changi

Wed 24-9

01:55-18:05

1 stop28h 10m

S$ 1,236

BostonSingapore

BOS - SIN

BOSSIN

Boston Logan Intl

Mon 15-9

22:00-09:00

1 stop23h 00m

Singapore Changi

Wed 24-9

03:10-15:05

1 stop23h 55m

S$ 1,263

Flights are sorted by cheapest return flights first.

Deals found on 27-7

Showing 1-10 of 22 results
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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.
Estimated return 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

How far ahead should I book a flight from Boston to Singapore?

Use this chart to determine the optimal time to book a return flight from Boston to Singapore. Price data was last updated on 25 July 2025.

The price you pay for your flight from Boston to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest time of day to fly from BOS to SIN?

Find hourly flight availability from Boston to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.

It’s optimal to fly from Boston to Singapore in the afternoon. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight in the morning.

What’s the top stopover airport for flights from Boston to Singapore?

Share of one-stop return flights from Boston to Singapore chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Istanbul (IST) – chosen by Cheapflights users on 38% of one-stop itineraries from Boston to Singapore on Cheapflights.

What’s the cheapest stopover airport for flights from Boston to Singapore?

Average return fare for one-stop flights from Boston to Singapore, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Istanbul (IST) is the most affordable one-stop option, with an average return flight price of S$ 1,120.

What’s the fastest stopover option from Boston to Singapore?

Shortest average travel time for one-stop one-way flights from Boston to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Hong Kong (HKG) have the shortest average one-way travel time for one-stop routes: 6h 45m.

Which airport typically offers the quickest stopover for flights from Boston to Singapore?

Average stopover duration for one-stop one-way flights from Boston to Singapore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Doha (DOH) offer the fastest connection on this route, with an average stopover time of 2h 10m.

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 29 July 2025.
See what other customers who have flown with Korean Air, ANA, andJapan Airlines from Boston to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,121 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very Good
1,121 reviews
Korean Air
8.4
Very Good
1,121 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.4
Very Good
922 reviews
Korean Air
8.4
Very Good
1,121 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very Good
1,535 reviews
Korean Air
8.4
Very Good
1,121 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very Good
7,977 reviews
Korean Air
8.4
Very Good
1,121 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.6
Good
948 reviews
Korean Air
8.4
Very Good
1,121 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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.

  • What are the cheapest airlines flying from Boston to Singapore round-trip?

    Currently priced at S$ 1,175, Korean Air will fly you from Boston to Singapore and back. In addition to Korean Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Turkish Airlines - these airlines can fly you to your destination from S$ 1,179 and S$ 1,186, respectively. Korean Air is priced at 23% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Boston to Singapore one-way?

    One-way options have recently been found by users for as low as S$ 439 on ANA. Other airlines that offer cheap prices include Etihad Airways from S$ 542 and Korean Air from S$ 543 one-way.

  • Can I find deals for flights from Boston to Singapore that include hotel bookings?

    Yes. In addition to deals on Boston to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Singapore.

  • Can I find deals for business class flights from Boston to Singapore?

    Yes. Cheapflights offers flight deals from Boston to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Boston to Singapore

Discover the top airline 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 200,618 searches. Data last updated 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestS$ 2,378AverageS$ 2,629FlexibilityNo cancel feeOn-timeN/A
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Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Singapore?

When you search for this flight from Boston to Singapore, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to Singapore?

Cheapflights helps you find that perfect flight to Singapore from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boston to Singapore with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Singapore, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to Singapore become cheaper?

Yes, Cheapflights offers price alerts on Boston to Singapore flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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