Cheap Flights to St. Mary's County from ₩93,900

View ₩93,900 flight on Wed, Feb 18, 2026Opens in a new window

Popular airlines to St. Mary's County

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  • American Airlines

  • Delta

  • Frontier Airlines

  • Southwest Airlines

  • United

  • Alaska Airlines

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How much is the cheapest flight to St. Mary's County?

Prices were available within the past 7 days and start at ₩93,900 for one-way flights and ₩187,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Feb 14 - Wed, Feb 18
JFK
New York
DCA
Washington
₩187,700 Roundtrip, found 1 day ago
₩187,700
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Feb 14 from New York to Washington, returning Wed, Feb 18, priced at ₩187,700 found 1 day ago
American Airlines
Tue, Feb 10 - Tue, Mar 3
JFK
New York
DCA
Washington
₩261,500 Roundtrip, found 1 day ago
₩261,500
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Feb 10 from New York to Washington, returning Tue, Mar 3, priced at ₩261,500 found 1 day ago
Hawaiian Airlines
Sat, Feb 14 - Sat, Feb 21
LAX
Los Angeles
DCA
Washington
₩348,600 Roundtrip, found 4 days ago
₩348,600
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 14 from Los Angeles to Washington, returning Sat, Feb 21, priced at ₩348,600 found 4 days ago
Alaska Airlines
Tue, Feb 24 - Wed, Feb 25
LAX
Los Angeles
DCA
Washington
₩408,500 Roundtrip, found 1 day ago
₩408,500
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Feb 24 from Los Angeles to Washington, returning Wed, Feb 25, priced at ₩408,500 found 1 day ago
Delta
Tue, Mar 10 - Wed, Mar 11
STL
St. Louis
DCA
Washington
₩408,600 Roundtrip, found 1 day ago
₩408,600
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 10 from St. Louis to Washington, returning Wed, Mar 11, priced at ₩408,600 found 1 day ago
Delta
Sat, Feb 14 - Sat, Feb 21
ONT
Ontario
DCA
Washington
₩436,700 Roundtrip, found 4 days ago
₩436,700
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Feb 14 from Ontario to Washington, returning Sat, Feb 21, priced at ₩436,700 found 4 days ago
Delta
Thu, Apr 30 - Sat, May 2
YVR
Vancouver
DCA
Washington
₩459,800 Roundtrip, found 1 day ago
₩459,800
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Apr 30 from Vancouver to Washington, returning Sat, May 2, priced at ₩459,800 found 1 day ago
Air Canada
Wed, Apr 29 - Sat, May 2
YVR
Vancouver
DCA
Washington
₩569,800 Roundtrip, found 1 day ago
₩569,800
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Apr 29 from Vancouver to Washington, returning Sat, May 2, priced at ₩569,800 found 1 day ago
United
Sat, Feb 14 - Sat, Feb 21
ONT
Ontario
DCA
Washington
₩583,700 Roundtrip, found 4 days ago
₩583,700
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 14 from Ontario to Washington, returning Sat, Feb 21, priced at ₩583,700 found 4 days ago
Delta
Wed, May 20 - Wed, May 27
AUS
Austin
DCA
Washington
₩593,100 Roundtrip, found 17 hours ago
₩593,100
Roundtrip
found 17 hours ago
Select Delta flight, departing Wed, May 20 from Austin to Washington, returning Wed, May 27, priced at ₩593,100 found 17 hours ago

About St. Mary's County

Expedia offers flights to St. Mary's County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to St. Mary's County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to St. Marys County that have flexible change policies?
It's as easy as can be with Expedia. Firstly, type in your travel details and click the "Search" button. Step 2? Check the "No change fee" box below the "Flexible change policies" filter on the top left of your screen. Step 3. Reserve your cheap and flexible airfare to St. Marys County.
Which airlines fly to St. Marys County?
A variety of airlines fly to destinations in or near St. Marys County. Your next big adventure is a few clicks away with these popular carriers:

  • American Airlines - 7,501 flights to or near St. Marys County each month, including 7,284 flights to Ronald Reagan Washington National Airport (DCA) and 216 flights to Washington Dulles Intl. Airport (IAD) per month.
  • United Airlines - 5,939 flights to or near St. Marys County each month, including 5,146 flights to Washington Dulles Intl. Airport (IAD) and 793 flights to Ronald Reagan Washington National Airport (DCA) per month.
  • Delta Air Lines - 2,036 flights to or near St. Marys County each month, including 1,516 flights to Ronald Reagan Washington National Airport (DCA) and 520 flights to Washington Dulles Intl. Airport (IAD) per month.

How can I find cheap tickets to St. Marys County?
You'll always score an epic deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred flight date, then click on the flexible dates link above to see the cheapest prices for nearby days. ₩187,700 was the lowest price for a flight to St. Marys County in the last seven days.
How much is a flight to St. Marys County?
If you were flying one way from New York (JFK), you could've picked up a low-cost fare for ₩93,900 in the last seven days. Round-trip flights to St. Marys County ranged from ₩187,700 to ₩732,600 during this same period.
What are the most popular airports to fly into in St. Marys County?
Pack your suitcase and touch down at one of these leading St. Marys County airports:

  • Ronald Reagan Washington National Airport (DCA) - 11,555 flights per month.
  • Washington Dulles Intl. Airport (IAD) - 6,533 flights per month.

When is the cheapest time to fly to St. Marys County?
Departing on a Tuesday, followed by a Monday, is generally the best way to get the cheapest deal. Stay away from the weekends if you can, because Saturday is typically the most expensive day. Spend the dollars you saved living it up in St. Marys County instead!
How much is a plane ticket to St. Marys County?
In the last seven days, fares to St. Marys County fluctuated from ₩187,700 to ₩732,600.
What is the best time to go to St. Marys County?
A nice time to visit St. Marys County, along with the exciting city of California, is over the lively months of May, July and September. Summer here begins June 20, and you can expect temperatures of between 70ºF and 80ºF if you visit then. This warmer weather is perfect for wandering around this city's attractions.
What months are the cheapest to book a flight to St. Marys County?
To grab an awesome deal to St. Marys County, try to book sometime in February when airfares are at their lowest. When's the most expensive time? In the United States, it's the month of December.

Trending flights to St. Mary's County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Feb 17 - Tue, Feb 24
ICN
Seoul
DCA
Washington
₩732,600 Roundtrip, found 1 day ago
₩732,600
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Feb 17 from Seoul to Washington, returning Tue, Feb 24, priced at ₩732,600 found 1 day ago
*Available to Expedia members.