$458 Cheap Flights from Boston (BOS) to Kaohsiung (KHH)

View $458 flight on Tue, Sep 30, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Kaohsiung Intl. Airport (KHH)

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Cheap Flights from Boston to Kaohsiung (BOS-KHH)

Prices were available within the past 7 days and start at $458 for one-way flights and $782 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 29 - Mon, Oct 27
BOS
Boston
KHH
Kaohsiung
$782 Roundtrip, found 4 days ago
$782
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 29 from Boston to Kaohsiung, returning Mon, Oct 27, priced at $782 found 4 days ago
United
Tue, Sep 30 - Tue, Oct 28
BOS
Boston
KHH
Kaohsiung
$782 Roundtrip, found 1 day ago
$782
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 30 from Boston to Kaohsiung, returning Tue, Oct 28, priced at $782 found 1 day ago
United
Mon, Sep 29 - Mon, Oct 27
BOS
Boston
KHH
Kaohsiung
$786 Roundtrip, found 4 days ago
$786
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 29 from Boston to Kaohsiung, returning Mon, Oct 27, priced at $786 found 4 days ago
United
Mon, Sep 1 - Tue, Sep 30
BOS
Boston
KHH
Kaohsiung
$791 Roundtrip, found 4 days ago
$791
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 1 from Boston to Kaohsiung, returning Tue, Sep 30, priced at $791 found 4 days ago
United
Mon, Sep 1 - Tue, Sep 30
BOS
Boston
KHH
Kaohsiung
$795 Roundtrip, found 4 days ago
$795
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 1 from Boston to Kaohsiung, returning Tue, Sep 30, priced at $795 found 4 days ago
United
Mon, Sep 1 - Tue, Sep 30
BOS
Boston
KHH
Kaohsiung
$796 Roundtrip, found 4 days ago
$796
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 1 from Boston to Kaohsiung, returning Tue, Sep 30, priced at $796 found 4 days ago
Cathay Pacific
Tue, Sep 30 - Tue, Oct 28
BOS
Boston
KHH
Kaohsiung
$963 Roundtrip, found 1 day ago
$963
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Tue, Sep 30 from Boston to Kaohsiung, returning Tue, Oct 28, priced at $963 found 1 day ago
Air Canada
Thu, Oct 2 - Wed, Oct 22
BOS
Boston
KHH
Kaohsiung
$1,730 Roundtrip, just found
$1,730
Roundtrip
just found
Select Air Canada flight, departing Thu, Oct 2 from Boston to Kaohsiung, returning Wed, Oct 22, priced at $1,730 just found
KLM
Tue, Sep 30 - Tue, Oct 28
BOS
Boston
KHH
Kaohsiung
$2,195 Roundtrip, found 1 day ago
$2,195
Roundtrip
found 1 day ago
Select KLM flight, departing Tue, Sep 30 from Boston to Kaohsiung, returning Tue, Oct 28, priced at $2,195 found 1 day ago
Korean Air
Wed, Aug 20 - Wed, Nov 26
BOS
Boston
KHH
Kaohsiung
$2,216 Roundtrip, found 18 hours ago
$2,216
Roundtrip
found 18 hours ago
Select Korean Air flight, departing Wed, Aug 20 from Boston to Kaohsiung, returning Wed, Nov 26, priced at $2,216 found 18 hours ago
Flights from Boston (BOS) to Kaohsiung (KHH)
Origin airport
Logan Intl.
Destination airport
Kaohsiung Intl.
Airlines serving
Air Canada, Cathay Pacific, Korean Air, United
Roundtrip price
$781
Distance
7891 mi

Boston to Kaohsiung Flights

The cheapest times to fly from Boston to Kaohsiung

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 Kaohsiung are during the month of September. You can find some of the cheapest flights from Boston to Kaohsiung with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Kaohsiung

Sunday is one of the best days to book for cheap flights from Boston to Kaohsiung: 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 Kaohsiung

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 Kaohsiung in 2025. You can also book with separate airlines for your outbound and return journeys, from $458 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 Kaohsiung 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. Bundling together your Boston to Kaohsiung 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. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Kaohsiung Intl. Airport (KHH) cost?
Discover the latest flight deals from BOS to KHH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BOS to KHH?
The cheapest flights from BOS to KHH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BOS to KHH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BOS to KHH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Logan Intl. Airport (BOS) to Kaohsiung Intl. Airport (KHH)?
You'll have to take a flight with a layover when traveling from Logan Intl. Airport (BOS) to Kaohsiung Intl. Airport (KHH). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from BOS to KHH?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Kaohsiung Intl. Airport (KHH)?
Choose a flight from Logan Intl. Airport (BOS) to Kaohsiung Intl. Airport (KHH) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Kaohsiung Intl. Airport (KHH) last-minute?
Booking your ticket from BOS to KHH right before your trip is usually more expensive. But if there's some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a BOS to KHH flight and hotel package?
You'll generally save money by booking a BOS to KHH flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred flights and accommodations, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Kaohsiung Intl. Airport (KHH)?
In most cases, you can cancel or reschedule your BOS to KHH flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further details, visit our Customer Service portal.

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*Available to One Key members.