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$415+ Cheap flights from Seoul (SEL) to Maryland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BWI
Apr 26 — May 31
Sun 4/26
Sun 5/3
1 adult, Economy
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Cheap flight deals from Seoul to Maryland

Cheapest flights from Seoul to Maryland
Explore the most affordable flight options available from Seoul to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2026.

This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 pm
ICN
-
PHL
1 stop24h 05m
Delta
Wed 9/307:05 am
PHL
-
ICN
1 stop20h 45m
Delta
Deal found 3/27$601
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 pm
ICN
-
PHL
2 stops24h 10m
Delta
Thu 7/307:08 am
PHL
-
ICN
1 stop20h 42m
Delta
Deal found 3/25$604
This American Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:50 pm
ICN
-
IAD
1 stop37h 04m
American Airlines
Sun 10/186:41 pm
IAD
-
ICN
1 stop32h 04m
American Airlines
Deal found 3/24$608
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 pm
ICN
-
BWI
2 stops24h 03m
Delta
Tue 10/136:59 pm
BWI
-
ICN
1 stop33h 21m
Delta
Deal found 3/27$614
This YBTour deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:35 pm
ICN
-
IAD
1 stop17h 34m
Alaska Airlines
Wed 4/297:20 pm
IAD
-
ICN
1 stop33h 10m
Alaska Airlines
Deal found 3/23$614
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:20 pm
ICN
-
BWI
1 stop23h 43m
Delta
Wed 10/146:19 am
BWI
-
ICN
1 stop22h 01m
Delta
Deal found 3/23$615
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:40 pm
ICN
-
BWI
1 stop17h 04m
Delta
Thu 10/157:10 am
BWI
-
ICN
1 stop19h 10m
Delta
Deal found 3/24$617
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:40 pm
ICN
-
BWI
1 stop17h 04m
Delta
Thu 10/157:10 am
BWI
-
ICN
1 stop19h 10m
Delta
Deal found 3/24$618
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:40 pm
ICN
-
BWI
1 stop31h 15m
Delta
Tue 10/277:00 am
BWI
-
ICN
1 stop32h 45m
Delta
Deal found 3/27$627
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:30 pm
ICN
-
BWI
1 stop29h 07m
Delta
Sat 1/95:30 pm
BWI
-
ICN
1 stop33h 20m
Delta
Deal found 3/26$630
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:50 pm
ICN
-
BWI
1 stop16h 52m
Delta
Wed 10/147:10 am
BWI
-
ICN
1 stop19h 10m
Delta
Deal found 3/24$631
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 pm
ICN
-
BWI
1 stop37h 17m
United Airlines
Mon 11/166:15 am
BWI
-
ICN
1 stop20h 00m
United Airlines
Deal found 3/26$640

Find flight deals from Seoul to Maryland

Keep the following information in mind while searching for Seoul to Maryland flight deals. Data was last updated March 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$604
(Delta)

One-way from

$415
(Delta)

Popular in

August

Cheapest in

November

Average price

$1,202
Provider with most accurate pricing for Seoul (SEL)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. (WAS) flights.
Search Deals
From Seoul (SEL) to Maryland
Search Deals
One-way flight from Seoul (SEL) to Maryland
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($291 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($82 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Maryland 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, Cheapflights users made 2,558,603 searches. Data last updated March 27, 2026.
Use the filters below to find and compare flights from Seoul to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 5/11

7:00 pm-5:37 am

1 stop23h 37m

Philadelphia

Mon 5/18

7:10 am-4:40 pm

1 stop20h 30m

$668

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Thu 4/23

7:20 pm-5:59 am

1 stop23h 39m

Philadelphia

Sat 4/25

6:05 am-4:50 pm

2 stops21h 45m

$751
Quickest round-trip

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Thu 4/23

7:40 pm-11:26 pm

1 stop16h 46m

Baltimore/Washington

Mon 5/11

7:00 am-2:10 pm

1 stop18h 10m

$826

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 5/6

4:50 pm-10:27 pm

1 stop18h 37m

Washington, D.C. Dulles Intl

Wed 5/13

2:37 pm-4:20 am

2 stops24h 43m

$867

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 9/4

4:50 pm-1:17 am

1 stop21h 27m

Washington, D.C. Dulles Intl

Wed 10/21

6:30 am-3:00 pm

1 stop19h 30m

$869

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Fri 9/4

11:30 am-11:45 am

2 stops37h 15m

Baltimore/Washington

Wed 10/21

6:15 am-3:00 pm

1 stop19h 45m

$901

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 6/3

7:05 pm-3:38 pm

1 stop33h 33m

Philadelphia

Tue 6/9

10:25 am-5:30 pm

1 stop18h 05m

$908

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Sun 9/13

4:50 pm-11:45 am

2 stops31h 55m

Baltimore/Washington

Wed 9/16

3:03 pm-4:20 am

2 stops24h 17m

$917

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Sun 5/10

9:30 am-2:48 pm

1 stop18h 18m

Philadelphia

Sun 5/17

8:05 pm-4:00 am

1 stop18h 55m

$947

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 9/2

4:50 pm-10:43 pm

1 stop18h 53m

Washington, D.C. Dulles Intl

Tue 9/8

10:23 pm-3:00 pm

2 stops27h 37m

$961

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Seoul to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Seoul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Maryland

What is the cheapest month to book a flight from Seoul to Maryland?

Currently, October is the cheapest month in which you can book a flight from Seoul to Maryland (average of $509). Flying from Seoul to Maryland in May is currently the most expensive (average of $1,209). 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.

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated March 27, 2026.
See what other customers who have flown with Korean Air,Delta, andUnited Airlines from Seoul to Maryland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,203 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,203 reviews
Korean Air
8.4
Very good
1,203 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
8,350 reviews
Korean Air
8.4
Very good
1,203 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,500 reviews
Korean Air
8.4
Very good
1,203 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seoul to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seoul to Maryland?

    There are many flights that can get you from Seoul to Maryland in 18h 37m. Fly via Delta, United Airlines, or Air Canada to get the fastest option. The distance between Seoul and Maryland is about 6939 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seoul to Maryland one-way?

    For one-way options, check prices for Korean Air. According to our data, you can fly for as low as $535. Users have also found prices from $553 and $575 on United Airlines and Delta, respectively.

  • What are the most popular routes from Seoul to Maryland?

    The most popular flight routes from Seoul to Maryland are Incheon Intl - Washington, D.C. Dulles Intl, Incheon Intl - Washington, D.C. Reagan-National and Incheon Intl - Baltimore/Washington.

  • Can I find deals for flights from Seoul to Maryland that include hotel bookings?

    Yes. In addition to deals on Seoul to Maryland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Maryland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Maryland.

  • Can I find deals for business class flights from Seoul to Maryland?

    Yes. Cheapflights offers flight deals from Seoul to Maryland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seoul to Maryland?

    Currently, October is the cheapest month in which you can book a flight from Seoul to Maryland (average of $509). Flying from Seoul to Maryland in May is currently the most expensive (average of $1,209). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Seoul to Maryland

Discover the top 3 airlines that operate flights from Seoul to Maryland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$508Average$1,158FlexibilityNo cancel feeOn-time69%
DeltaCheapest$649Average$1,457FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,195Average$1,310FlexibilityNo cancel feeOn-time81%

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