
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $829 (Kiwi.com) |
One-way from | $377 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,656 |
Good round-trip deal | $850 or less |
Good one-way deal | $462 or less |
Fly from
Fly to
Route
Depart
Return
BostonSeoul
BOS - GMP
BOSGMP
Boston Logan Intl
Wed 4/22
1:00 pm-10:40 am
1 stop32h 40m
Seoul Gimpo Intl
Sun 5/10
12:05 pm-4:45 pm
2 stops41h 40m
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Mon 4/27
1:45 am-10:25 pm
1 stop31h 40m
Incheon Intl
Tue 5/12
3:10 pm-11:05 pm
1 stop20h 55m
BostonSeoul
BOS - GMP
BOSGMP
Boston Logan Intl
Wed 8/26
11:14 am-10:40 am
2 stops34h 26m
Seoul Gimpo Intl
Wed 9/2
8:00 am-7:03 am
2 stops36h 03m
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Mon 8/31
1:45 am-2:05 pm
1 stop23h 20m
Incheon Intl
Tue 12/1
10:00 am-11:02 pm
2 stops27h 02m
BostonSeoul
BOS - GMP
BOSGMP
Boston Logan Intl
Fri 4/10
1:00 pm-10:40 am
1 stop32h 40m
Seoul Gimpo Intl
Thu 4/23
12:05 pm-6:10 pm
1 stop19h 05m
BostonSeoul
BOS - GMP
BOSGMP
Boston Logan Intl
Sun 4/5
9:03 pm-10:40 am
2 stops24h 37m
Seoul Gimpo Intl
Wed 4/22
12:05 pm-11:52 pm
2 stops24h 47m
BostonSeoul
BOS - GMP
BOSGMP
Boston Logan Intl
Tue 9/1
11:14 am-9:15 pm
2 stops21h 01m
Seoul Gimpo Intl
Tue 12/1
8:00 am-3:22 pm
2 stops21h 22m
BostonSeoul
BOS - GMP
BOSGMP
Boston Logan Intl
Fri 4/17
1:00 pm-5:55 pm
1 stop39h 55m
Seoul Gimpo Intl
Tue 4/21
12:05 pm-6:10 pm
1 stop19h 05m
BostonSeoul
BOS - GMP
BOSGMP
Boston Logan Intl
Thu 5/28
6:30 am-9:15 pm
2 stops25h 45m
Seoul Gimpo Intl
Wed 6/3
7:15 pm-6:48 pm
2 stops36h 33m
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Fri 5/1
5:56 pm-5:30 pm
2 stops34h 34m
Incheon Intl
Wed 5/13
7:35 pm-5:44 am
2 stops23h 09m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Boston to Seoul, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, May is the cheapest month in which you can book a flight from Boston to Seoul (average of $521). Flying from Boston to Seoul in June is currently the most expensive (average of $1,291). 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.
When flying from Boston to Seoul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The most flights from BOS to SEL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
Hong Kong (HKG) – chosen by Cheapflights users on 82% of 1-stop itineraries from Boston to Seoul on Cheapflights.
Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $772.
Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 21h 50m.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 1h 43m.
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
Chris,Mar 2025
SEA - ICN
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
Chris,Mar 2025
SEA - ICN
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
Chris,Mar 2025
SEA - ICN
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
Chris,Mar 2025
SEA - ICN
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
Chris,Mar 2025
SEA - ICN
Overall
Boarding
Comfort
Entertainment
Crew
Food
Reviews
Chris,Mar 2025
SEA - ICN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$357 | Average$1,965 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$767 | Average$1,061 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$843 | Average$999 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$854 | Average$1,209 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$872 | Average$1,430 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$872 | Average$1,266 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,527 | Average$2,059 | FlexibilityNo cancel fee | On-time81% |