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Cheap flights from Boston to Seoul from $488

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Seoul departing on 9/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Logo
6:28 am - 9:50 pmBOS-GMP
26h 22m2 stops
Logo
7:55 am - 4:55 pmGMP-BOS
22h 00m2 stops
$884
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Sun, Oct 19 - Wed, Oct 22
Logo
6:40 pm - 3:00 pmBOS-GMP
31h 20m2 stops
Logo
8:35 am - 5:20 pmGMP-BOS
21h 45m1 stop
$900
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Sun, Oct 19 - Sun, Oct 26
Japan Airlines Logo
1:20 pm - 6:00 pmBOS-GMP
39h 40m1 stop
Japan Airlines Logo
12:05 pm - 10:47 pmGMP-BOS
24h 42m2 stops
$903Japan Airlines
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Mon, Sep 15 - Mon, Nov 17
Logo
6:28 am - 9:50 pmBOS-GMP
26h 22m2 stops
Logo
7:55 am - 6:38 pmGMP-BOS
23h 43m2 stops
$910
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Sun, Oct 19 - Wed, Oct 22
Japan Airlines Logo
6:30 am - 9:50 pmBOS-GMP
26h 20m2 stops
Japan Airlines Logo
12:05 pm - 10:50 pmGMP-BOS
23h 45m2 stops
$927Japan Airlines
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Wed, Sep 17 - Mon, Sep 29
Logo
6:40 pm - 1:50 pmBOS-GMP
29h 10m2 stops
Logo
8:35 am - 4:20 pmGMP-BOS
21h 45m1 stop
$928
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Fri, Nov 21 - Sun, Nov 30
China Eastern Logo
6:15 am - 11:00 amBOS-GMP
39h 45m2 stops
China Eastern Logo
8:50 pm - 9:10 pmGMP-BOS
38h 20m2 stops
$1,119China Eastern
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Tue, Oct 21 - Sun, Nov 2
China Eastern Logo
6:15 am - 11:00 amBOS-GMP
39h 45m2 stops
China Eastern Logo
8:50 pm - 11:55 pmGMP-BOS
40h 05m2 stops
$1,152China Eastern
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Mon, Oct 20 - Fri, Oct 31
Air China Logo
9:30 am - 1:05 pmBOS-GMP
38h 35m2 stops
Air China Logo
2:25 pm - 7:20 amGMP-BOS
30h 55m2 stops
$1,246Air China
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Tue, Oct 28 - Mon, Nov 10
Air China Logo
6:00 am - 1:05 pmBOS-GMP
42h 05m2 stops
Air China Logo
2:25 pm - 7:20 amGMP-BOS
30h 55m2 stops
$1,253Air China
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Wed, Oct 29 - Mon, Nov 10

Japan Airlines flights from Boston to Seoul Gimpo Intl Airport

Our best Japan Airlines deals on Boston to Seoul Gimpo Intl Airport flight tickets
Japan Airlines
Sep 8
BOS6:30 amBoston Logan Intl
26h 20m
2 stops
GMP9:50 pmSeoul Gimpo Intl
Sep 22
GMP12:05 pmSeoul Gimpo Intl
19h 00m
1 stop
BOS6:05 pmBoston Logan Intl
$884
Find similar
Japan Airlines
Sep 8
BOS1:20 pmBoston Logan Intl
39h 40m
1 stop
GMP6:00 pmSeoul Gimpo Intl
Sep 22
GMP12:05 pmSeoul Gimpo Intl
19h 00m
1 stop
BOS6:05 pmBoston Logan Intl
$886
Find similar
Japan Airlines
Sep 5
BOS1:20 pmBoston Logan Intl
32h 25m
1 stop
GMP10:45 amSeoul Gimpo Intl
Sep 12
GMP7:55 amSeoul Gimpo Intl
23h 10m
1 stop
BOS6:05 pmBoston Logan Intl
$890
Find similar

China Eastern flights from Boston to Seoul Gimpo Intl Airport

Our best China Eastern deals on Boston to Seoul Gimpo Intl Airport flight tickets
China Eastern
Oct 21
BOS6:15 amBoston Logan Intl
39h 45m
2 stops
GMP11:00 amSeoul Gimpo Intl
Nov 2
GMP8:50 pmSeoul Gimpo Intl
38h 20m
2 stops
BOS9:10 pmBoston Logan Intl
$1,119
Find similar
China Eastern
Oct 20
BOS6:15 amBoston Logan Intl
39h 45m
2 stops
GMP11:00 amSeoul Gimpo Intl
Oct 31
GMP8:50 pmSeoul Gimpo Intl
40h 05m
2 stops
BOS11:55 pmBoston Logan Intl
$1,152
Find similar
China Eastern
Sep 11
BOS6:15 amBoston Logan Intl
48h 35m
2 stops
GMP7:50 pmSeoul Gimpo Intl
Sep 18
GMP8:50 pmSeoul Gimpo Intl
40h 03m
2 stops
BOS11:53 pmBoston Logan Intl
$1,330
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momondo Fare Finder

 
Customize your flight search to find flights from Boston to Seoul Gimpo Intl Airport 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, momondo users made 832,500 searches. Data last updated September 4, 2025.
Use the filters below to find and compare flights from Boston to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sun 10/19

6:28 am-9:50 pm

2 stops26h 22m

Seoul Gimpo Intl

Wed 10/22

7:55 am-4:55 pm

2 stops22h 00m

$884

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sun 10/19

6:40 pm-3:00 pm

2 stops31h 20m

Seoul Gimpo Intl

Sun 10/26

8:35 am-5:20 pm

1 stop21h 45m

$900

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Mon 9/15

1:20 pm-6:00 pm

1 stop39h 40m

Seoul Gimpo Intl

Mon 11/17

12:05 pm-10:47 pm

2 stops24h 42m

$903

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sun 10/19

6:28 am-9:50 pm

2 stops26h 22m

Seoul Gimpo Intl

Wed 10/22

7:55 am-6:38 pm

2 stops23h 43m

$910

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 9/17

6:30 am-9:50 pm

2 stops26h 20m

Seoul Gimpo Intl

Mon 9/29

12:05 pm-10:50 pm

2 stops23h 45m

$927

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Fri 11/21

6:40 pm-1:50 pm

2 stops29h 10m

Seoul Gimpo Intl

Sun 11/30

8:35 am-4:20 pm

1 stop21h 45m

$928

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 10/21

6:15 am-11:00 am

2 stops39h 45m

Seoul Gimpo Intl

Sun 11/2

8:50 pm-9:10 pm

2 stops38h 20m

$1,119

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Mon 10/20

6:15 am-11:00 am

2 stops39h 45m

Seoul Gimpo Intl

Fri 10/31

8:50 pm-11:55 pm

2 stops40h 05m

$1,152

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 10/28

9:30 am-1:05 pm

2 stops38h 35m

Seoul Gimpo Intl

Mon 11/10

2:25 pm-7:20 am

2 stops30h 55m

$1,246

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 10/29

6:00 am-1:05 pm

2 stops42h 05m

Seoul Gimpo Intl

Mon 11/10

2:25 pm-7:20 am

2 stops30h 55m

$1,253

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Boston to Seoul Gimpo Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Seoul Gimpo Intl Airport?

On average, the least expensive day to fly to Seoul Gimpo Intl Airport from Boston is on a Saturday. momondo users have found tickets for Saturday departures for as low as $1,822. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Seoul Gimpo Intl Airport is Sunday, with ticket prices averaging around $2,183.

What is the cheapest time of day to depart on your flight to Seoul Gimpo Intl Airport?

According to our data, the cheapest time of day to fly to Seoul Gimpo Intl Airport is in the evening. momondo users have found flights departing from Boston to Seoul Gimpo Intl Airport in the evening for as low as $1,813. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seoul Gimpo Intl Airport is in the morning when prices are around $1,957.

When to book flights from Boston to Seoul Gimpo Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Seoul Gimpo Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Seoul Gimpo Intl Airport (BOS to GMP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Seoul Gimpo Intl Airport

Direct flights

None
There are no direct flights from Boston to Seoul Gimpo Intl Airport. There are no popular flight routes from Boston to Seoul Gimpo Intl Airport.
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  • How far is Boston Logan Intl to Seoul Gimpo Intl by plane?

    Boston Logan Intl and Seoul Gimpo Intl are 6796.4 mi apart from one another. A reasonable flight in good conditions will take 23h 12m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Seoul Gimpo Intl Airport?

    Prices for flights from Boston Logan Intl Airport to Seoul Gimpo Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Boston Logan Intl Airport to Seoul Gimpo Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Seoul Gimpo Intl Airport.

  • What documentation or ID do you need to fly to Seoul Gimpo Intl Airport?

    The travel and health documents you'll need for your trip to Seoul Gimpo Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seoul Gimpo Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Seoul?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Seoul for you.

Can I find flights from Boston to Seoul with flexible booking policies on momondo?

Yes. All flights to Seoul from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Seoul?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Seoul.

I’m not ready to book a flight from Boston to Seoul right now. Can momondo alert me if prices change?

Price alerts on flights to Seoul from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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