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Kaohsiung

$839+ Cheap flights from Boston (BOS) to Kaohsiung

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KHH
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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Cheap flight deals from Boston to Kaohsiung

Cheapest flights from Boston to Kaohsiung
Explore the most affordable flight options available from Boston to Kaohsiung. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2026.

This United Airlines deal was found by Cheapflights users on 2/20. 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 11/38:30 am
BOS
-
KHH
2 stops23h 55m
United Airlines
Thu 11/1211:30 am
KHH
-
BOS
2 stops31h 48m
United Airlines
Deal found 2/20$839
This United Airlines deal was found by Cheapflights users on 2/22. 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 11/24:25 pm
BOS
-
KHH
3 stops40h 00m
United Airlines
Wed 11/1111:30 am
KHH
-
BOS
2 stops31h 28m
United Airlines
Deal found 2/22$843
This United Airlines deal was found by Cheapflights users on 2/20. 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 11/28:10 pm
BOS
-
KHH
3 stops36h 15m
United Airlines
Thu 11/1211:30 am
KHH
-
BOS
3 stops25h 24m
United Airlines
Deal found 2/20$844
This United Airlines deal was found by Cheapflights users on 2/20. 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 10/276:00 am
BOS
-
KHH
3 stops27h 25m
United Airlines
Sat 11/711:30 am
KHH
-
BOS
3 stops25h 24m
United Airlines
Deal found 2/20$885
This United Airlines deal was found by Cheapflights users on 2/20. 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 10/305:30 am
BOS
-
KHH
2 stops27h 55m
United Airlines
Wed 11/1111:30 am
KHH
-
BOS
3 stops25h 24m
United Airlines
Deal found 2/20$889
This United Airlines deal was found by Cheapflights users on 2/20. 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 11/28:10 pm
BOS
-
KHH
3 stops36h 15m
United Airlines
Sun 11/1511:30 am
KHH
-
BOS
2 stops26h 35m
United Airlines
Deal found 2/20$890
This United Airlines deal was found by Cheapflights users on 2/23. 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 11/24:25 pm
BOS
-
KHH
3 stops40h 00m
United Airlines
Sat 11/1411:30 am
KHH
-
BOS
3 stops25h 24m
United Airlines
Deal found 2/23$893
This Gurufare deal was found by Cheapflights users on 2/20. 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.
Tue 11/38:30 am
BOS
-
KHH
2 stops23h 55m
ANA
Sun 11/1511:30 am
KHH
-
BOS
2 stops26h 35m
ANA
Deal found 2/20$895
This United Airlines deal was found by Cheapflights users on 2/21. 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 10/305:30 am
BOS
-
KHH
2 stops27h 55m
United Airlines
Mon 11/1611:30 am
KHH
-
BOS
2 stops32h 48m
United Airlines
Deal found 2/21$898
This Gurufare deal was found by Cheapflights users on 2/21. 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.
Tue 11/35:30 am
BOS
-
KHH
1 stop26h 55m
ANA
Sat 11/1411:30 am
KHH
-
BOS
2 stops26h 35m
ANA
Deal found 2/21$899

Find flight deals from Boston to Kaohsiung

Keep the following information in mind while searching for Boston to Kaohsiung flight deals. Data was last updated February 23, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,097
(KAYAK)

Popular in

April

Cheapest in

September

Average price

$915
Provider with most accurate pricing for Boston Logan Intl-Kaohsiung City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Kaohsiung City flights.
Search Deals
From Boston Logan Intl to Kaohsiung
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Kaohsiung 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 February 23, 2026.
Use the filters below to find and compare flights from Boston to Kaohsiung that are best for you.

Fly from

Boston

Fly to

Kaohsiung

Route

Depart

Return

Price

BostonKaohsiung City

BOS - KHH

BOSKHH

Boston Logan Intl

Sun 3/22

11:02 am-9:20 pm

2 stops46h 18m

Kaohsiung City

Thu 3/26

11:30 am-9:41 pm

2 stops22h 11m

$1,502

BostonKaohsiung City

BOS - KHH

BOSKHH

Boston Logan Intl

Sat 3/21

1:30 am-10:25 am

1 stop20h 55m

Kaohsiung City

Thu 3/26

11:25 am-11:00 pm

1 stop23h 35m

$1,539

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Best time to book a flight from Boston to Kaohsiung

Have a flexible travel schedule? Discover the best time to fly to Kaohsiung from Boston with our price prediction graph.
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 Kaohsiung

What is the cheapest month to book a flight from Boston to Kaohsiung?

Currently, December is the cheapest month in which you can book a flight from Boston to Kaohsiung (average of $604). Flying from Boston to Kaohsiung in April is currently the most expensive (average of $1,681). 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 Kaohsiung

Get insights into the airlines that provide service to Kaohsiung. 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 Kaohsiung. Reviews last updated February 23, 2026.
Read reviews from past customers who have flown Cathay Pacific and United Airlines from Boston to Kaohsiung. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,178 reviews

Comfort

7.6

Food

7.3

Crew

8.1

Entertainment

7.8

Boarding

7.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Cathay Pacific
7.6
Good
1,178 reviews
Cathay Pacific
7.6
Good
1,178 reviews

Comfort

7.6

Food

7.3

Crew

8.1

Entertainment

7.8

Boarding

7.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
United Airlines
7.4
Good
9,342 reviews
Cathay Pacific
7.6
Good
1,178 reviews

Comfort

7.6

Food

7.3

Crew

8.1

Entertainment

7.8

Boarding

7.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Related info for your journey

Find useful and relevant information for your journey from Boston to Kaohsiung. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Kaohsiung?

    If you book a flight to Kaohsiung from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston.

  • How long is the flight from Boston to Kaohsiung?

    For as low as $1,097, Cathay Pacific can have you in Kaohsiung from Boston in 20h 25m. There are 7886 mi between Boston and Kaohsiung. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Boston to Kaohsiung?

    Currently, December is the cheapest month in which you can book a flight from Boston to Kaohsiung (average of $604). Flying from Boston to Kaohsiung in April is currently the most expensive (average of $1,681). 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.

See more FAQs

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Alternative routes for Boston to Kaohsiung

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Taiwan Taoyuan Intl flights
Boston to Sung Shan flights
Hartford to Taiwan Taoyuan Intl flights
Albany to Taiwan Taoyuan Intl flights
Worcester to Taiwan Taoyuan Intl flights

Top 2 airlines flying from Boston to Kaohsiung

Discover the top 2 airlines that operate flights from Boston to Kaohsiung. 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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$604Average$841FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$854Average$1,040FlexibilityNo cancel feeOn-time72%

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