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Cheap flights from Boston to Seoul from $489

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 4/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:40 pm - 8:10 pm
BOS
-
GMP
36h 30m
2 stops
Multiple Airlines Logo
3:00 pm - 4:40 pm
GMP
-
BOS
38h 40m
1 stop
$1,022Multiple Airlines
Fri, Aug 28 - Sat, Sep 12
Japan Airlines Logo
6:30 am - 9:15 pm
BOS
-
GMP
25h 45m
2 stops
Japan Airlines Logo
12:05 pm - 6:10 pm
GMP
-
BOS
19h 05m
1 stop
$1,232Japan Airlines
Tue, Apr 14 - Tue, Apr 21
Japan Airlines Logo
10:32 am - 9:15 pm
BOS
-
GMP
21h 43m
2 stops
Japan Airlines Logo
7:15 pm - 6:10 pm
GMP
-
BOS
35h 55m
1 stop
$1,233Japan Airlines
Tue, Apr 14 - Mon, Apr 20
Japan Airlines Logo
1:00 pm - 5:55 pm
BOS
-
GMP
39h 55m
1 stop
Japan Airlines Logo
8:00 am - 6:10 pm
GMP
-
BOS
23h 10m
1 stop
$1,244Japan Airlines
Tue, Apr 14 - Tue, Apr 21
Japan Airlines Logo
7:00 am - 9:15 pm
BOS
-
GMP
25h 15m
2 stops
Japan Airlines Logo
12:05 pm - 10:50 pm
GMP
-
BOS
23h 45m
2 stops
$1,245Japan Airlines
Tue, Aug 18 - Thu, Sep 10
Japan Airlines Logo
6:00 am - 9:15 pm
BOS
-
GMP
26h 15m
2 stops
Japan Airlines Logo
8:00 am - 6:10 pm
GMP
-
BOS
23h 10m
1 stop
$1,251Japan Airlines
Wed, Apr 15 - Wed, Apr 22
Japan Airlines Logo
9:35 am - 9:15 pm
BOS
-
GMP
22h 40m
2 stops
Japan Airlines Logo
7:15 pm - 6:10 pm
GMP
-
BOS
35h 55m
1 stop
$1,252Japan Airlines
Tue, Sep 15 - Tue, Sep 29
Japan Airlines Logo
6:00 am - 9:15 pm
BOS
-
GMP
26h 15m
2 stops
Japan Airlines Logo
12:05 pm - 11:52 pm
GMP
-
BOS
24h 47m
2 stops
$1,263Japan Airlines
Tue, Apr 7 - Tue, Apr 21
Japan Airlines Logo
9:35 am - 9:15 pm
BOS
-
GMP
22h 40m
2 stops
Japan Airlines Logo
8:00 am - 6:49 pm
GMP
-
BOS
23h 49m
2 stops
$1,264Japan Airlines
Tue, Sep 15 - Tue, Sep 29
Japan Airlines Logo
6:30 am - 9:15 pm
BOS
-
GMP
25h 45m
2 stops
Japan Airlines Logo
7:15 pm - 11:58 pm
GMP
-
BOS
41h 43m
2 stops
$1,268Japan Airlines
Tue, Apr 14 - Mon, Apr 20

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
Aug 12
BOS6:30 amBoston Logan Intl
39h 30m
2 stops
GMP11:00 amSeoul Gimpo Intl
Sep 4
GMP8:50 pmSeoul Gimpo Intl
37h 21m
2 stops
BOS9:11 pmBoston Logan Intl
$1,359
China Eastern
Mar 25
BOS9:05 amBoston Logan Intl
36h 55m
2 stops
GMP11:00 amSeoul Gimpo Intl
Mar 27
GMP8:50 pmSeoul Gimpo Intl
37h 32m
2 stops
BOS9:22 pmBoston Logan Intl
$9,390

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
Apr 14
BOS6:30 amBoston Logan Intl
25h 45m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Apr 21
GMP12:05 pmSeoul Gimpo Intl
19h 05m
1 stop
BOS6:10 pmBoston Logan Intl
$1,232
Japan Airlines
Apr 14
BOS10:32 amBoston Logan Intl
21h 43m
2 stops
GMP9:15 pmSeoul Gimpo Intl
Apr 20
GMP7:15 pmSeoul Gimpo Intl
35h 55m
1 stop
BOS6:10 pmBoston Logan Intl
$1,233
Japan Airlines
Apr 14
BOS1:00 pmBoston Logan Intl
39h 55m
1 stop
GMP5:55 pmSeoul Gimpo Intl
Apr 21
GMP8:00 amSeoul Gimpo Intl
23h 10m
1 stop
BOS6:10 pmBoston Logan Intl
$1,244

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 March 23, 2026.
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

Cheapest round-trip

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Fri 8/28

6:40 pm-8:10 pm

2 stops36h 30m

Seoul Gimpo Intl

Sat 9/12

3:00 pm-4:40 pm

1 stop38h 40m

$1,022
Quickest round-trip

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 4/14

6:30 am-9:15 pm

2 stops25h 45m

Seoul Gimpo Intl

Tue 4/21

12:05 pm-6:10 pm

1 stop19h 05m

$1,232

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 4/14

10:32 am-9:15 pm

2 stops21h 43m

Seoul Gimpo Intl

Mon 4/20

7:15 pm-6:10 pm

1 stop35h 55m

$1,233

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 4/14

1:00 pm-5:55 pm

1 stop39h 55m

Seoul Gimpo Intl

Tue 4/21

8:00 am-6:10 pm

1 stop23h 10m

$1,244

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 8/18

7:00 am-9:15 pm

2 stops25h 15m

Seoul Gimpo Intl

Thu 9/10

12:05 pm-10:50 pm

2 stops23h 45m

$1,245

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 4/15

6:00 am-9:15 pm

2 stops26h 15m

Seoul Gimpo Intl

Wed 4/22

8:00 am-6:10 pm

1 stop23h 10m

$1,251

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 9/15

9:35 am-9:15 pm

2 stops22h 40m

Seoul Gimpo Intl

Tue 9/29

7:15 pm-6:10 pm

1 stop35h 55m

$1,252

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 4/7

6:00 am-9:15 pm

2 stops26h 15m

Seoul Gimpo Intl

Tue 4/21

12:05 pm-11:52 pm

2 stops24h 47m

$1,263

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 9/15

9:35 am-9:15 pm

2 stops22h 40m

Seoul Gimpo Intl

Tue 9/29

8:00 am-6:49 pm

2 stops23h 49m

$1,264

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 4/14

6:30 am-9:15 pm

2 stops25h 45m

Seoul Gimpo Intl

Mon 4/20

7:15 pm-11:58 pm

2 stops41h 43m

$1,268

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

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 airline that flies from Boston Logan Intl to Seoul Gimpo Intl?

Japan Airlines is the most popular carrier operating from Boston Logan Intl to Seoul Gimpo Intl

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

Fastest flight time

21h 43m

Direct flights

None
The fastest flight from Boston to Seoul Gimpo Intl Airport takes 21h 43m
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.
Search flight deals

  • 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 21h 43m.

  • 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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