$493 Cheap Flights from Boston (BOS) to Seoul (GMP)

View $493 flight on Sun, Mar 29, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Gimpo Intl. Airport (GMP)

Cheap Flights from Boston to Seoul (BOS-GMP)

Prices were available within the past 7 days and start at $493 for one-way flights and $888 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hainan Airlines
Sun, Feb 1 - Fri, Feb 13
BOS
Boston
GMP
Seoul
$888 Roundtrip, found 4 hours ago
$888
Roundtrip
found 4 hours ago
Select Hainan Airlines flight, departing Sun, Feb 1 from Boston to Seoul, returning Fri, Feb 13, priced at $888 found 4 hours ago
Hainan Airlines
Sun, Mar 29 - Fri, Apr 10
BOS
Boston
GMP
Seoul
$938 Roundtrip, found 3 hours ago
$938
Roundtrip
found 3 hours ago
Select Hainan Airlines flight, departing Sun, Mar 29 from Boston to Seoul, returning Fri, Apr 10, priced at $938 found 3 hours ago
Hainan Airlines
Wed, Mar 18 - Fri, Apr 3
BOS
Boston
GMP
Seoul
$988 Roundtrip, found 4 days ago
$988
Roundtrip
found 4 days ago
Select Hainan Airlines flight, departing Wed, Mar 18 from Boston to Seoul, returning Fri, Apr 3, priced at $988 found 4 days ago
Japan Airlines
Wed, Jan 7 - Wed, Jan 21
BOS
Boston
GMP
Seoul
$1,015 Roundtrip, found 10 hours ago
$1,015
Roundtrip
found 10 hours ago
Select Japan Airlines flight, departing Wed, Jan 7 from Boston to Seoul, returning Wed, Jan 21, priced at $1,015 found 10 hours ago
Japan Airlines
Wed, Jan 7 - Wed, Jan 21
BOS
Boston
GMP
Seoul
$1,035 Roundtrip, found 10 hours ago
$1,035
Roundtrip
found 10 hours ago
Select Japan Airlines flight, departing Wed, Jan 7 from Boston to Seoul, returning Wed, Jan 21, priced at $1,035 found 10 hours ago
Hainan Airlines
Wed, Mar 11 - Wed, Mar 18
BOS
Boston
GMP
Seoul
$1,038 Roundtrip, found 5 days ago
$1,038
Roundtrip
found 5 days ago
Select Hainan Airlines flight, departing Wed, Mar 11 from Boston to Seoul, returning Wed, Mar 18, priced at $1,038 found 5 days ago
Hainan Airlines
Sun, Mar 29 - Fri, Apr 10
BOS
Boston
GMP
Seoul
$1,048 Roundtrip, found 3 hours ago
$1,048
Roundtrip
found 3 hours ago
Select Hainan Airlines flight, departing Sun, Mar 29 from Boston to Seoul, returning Fri, Apr 10, priced at $1,048 found 3 hours ago
Japan Airlines
Tue, Jan 20 - Wed, Feb 11
BOS
Boston
GMP
Seoul
$1,053 Roundtrip, found 3 days ago
$1,053
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Tue, Jan 20 from Boston to Seoul, returning Wed, Feb 11, priced at $1,053 found 3 days ago
All Nippon Airways
Wed, Jan 28 - Wed, Feb 11
BOS
Boston
GMP
Seoul
$1,582 Roundtrip, found 2 hours ago
$1,582
Roundtrip
found 2 hours ago
Select All Nippon Airways flight, departing Wed, Jan 28 from Boston to Seoul, returning Wed, Feb 11, priced at $1,582 found 2 hours ago
Air China
Fri, Mar 13 - Mon, Mar 23
BOS
Boston
GMP
Seoul
$1,899 Roundtrip, found 4 days ago
$1,899
Roundtrip
found 4 days ago
Select Air China flight, departing Fri, Mar 13 from Boston to Seoul, returning Mon, Mar 23, priced at $1,899 found 4 days ago

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $2,096
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $2,096
Flights from Boston (BOS) to Seoul (GMP)
Origin airport
Logan Intl.
Destination airport
Gimpo Intl.
Airlines serving
All Nippon Airways, Japan Airlines
Roundtrip price
$887
Distance
6801 mi

Boston to Seoul Flights

The cheapest times to fly from Boston to Seoul

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

 

The best time to book a flight from Boston to Seoul

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

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 Seoul in 2026. You can also book with separate airlines for your outbound and return journeys, from $493 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 Seoul 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 Seoul 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 Gimpo Intl. Airport (GMP) cost?
Snag a cheap one-way flight from $493 or cheap return flight from $888 from Logan Intl. Airport (BOS) to Gimpo Intl. Airport (GMP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Gimpo Intl. Airport (GMP)?
Flying in February is a great way to save, as it's the cheapest month for flights between BOS and GMP. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Gimpo Intl. Airport (GMP)?
To find the cheapest airline that'll fly you from BOS to GMP, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Logan Intl. Airport (BOS) to Gimpo Intl. Airport (GMP)?
You'll have to catch a flight with a layover if you're traveling from Logan Intl. Airport (BOS) to Gimpo Intl. Airport (GMP). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from BOS to GMP?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Gimpo Intl. Airport (GMP)?
Book a flight from Logan Intl. Airport (BOS) to Gimpo Intl. Airport (GMP) that takes off before 3 PM to reduce the risk of cancellations. Later departures have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for Seoul from Logan Intl. Airport (BOS)?
Check out your flight options from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN). This is the only airport in Seoul you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Gimpo Intl. Airport (GMP) last-minute?
Last-minute bookings from BOS to GMP are usually more expensive. To lock in the lowest prices, start searching for flights as soon as possible. That being said, if you can play around with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book a BOS to GMP flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to GMP flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Gimpo Intl. Airport (GMP)?
It's generally possible to cancel or reschedule your BOS to GMP flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.