Flight to St. Mary's County

View S$89 flight on Wed, 29 Jul, 2026Opens in a new window

Popular airlines to St. Mary's County

  • American Airlines

  • Delta

  • Frontier Airlines

  • Southwest Airlines

  • Spirit Airlines

  • United

  • Alaska Airlines

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Cheap round-trip flights to St. Mary's County

Prices were available within the past 7 days and start at S$89 for one-way flights and S$176 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 11 Jul - Mon, 20 Jul
LGA
New York
DCA
Washington
S$176 Return, found 10 hours ago
S$176
Return
found 10 hours ago
Select Delta flight, departing Sat, 11 Jul from New York to Washington, returning Mon, 20 Jul, priced at S$176 found 10 hours ago
Delta
Tue, 14 Jul - Mon, 20 Jul
JFK
New York
DCA
Washington
S$176 Return, found 10 hours ago
S$176
Return
found 10 hours ago
Select Delta flight, departing Tue, 14 Jul from New York to Washington, returning Mon, 20 Jul, priced at S$176 found 10 hours ago
Delta
Thu, 30 Apr - Wed, 6 May
BOS
Boston
DCA
Washington
S$217 Return, found 10 hours ago
S$217
Return
found 10 hours ago
Select Delta flight, departing Thu, 30 Apr from Boston to Washington, returning Wed, 6 May, priced at S$217 found 10 hours ago
JetBlue Airways
Sun, 26 Apr - Sun, 17 May
JFK
New York
DCA
Washington
S$239 Return, found 2 days ago
S$239
Return
found 2 days ago
Select JetBlue Airways flight, departing Sun, 26 Apr from New York to Washington, returning Sun, 17 May, priced at S$239 found 2 days ago
American Airlines
Fri, 20 Mar - Sun, 22 Mar
JFK
New York
DCA
Washington
S$252 Return, found 2 days ago
S$252
Return
found 2 days ago
Select American Airlines flight, departing Fri, 20 Mar from New York to Washington, returning Sun, 22 Mar, priced at S$252 found 2 days ago
Delta
Thu, 12 Mar - Mon, 16 Mar
ITH
Ithaca
DCA
Washington
S$290 Return, found 5 days ago
S$290
Return
found 5 days ago
Select Delta flight, departing Thu, 12 Mar from Ithaca to Washington, returning Mon, 16 Mar, priced at S$290 found 5 days ago
United
Thu, 30 Apr - Wed, 6 May
BOS
Boston
DCA
Washington
S$318 Return, found 10 hours ago
S$318
Return
found 10 hours ago
Select United flight, departing Thu, 30 Apr from Boston to Washington, returning Wed, 6 May, priced at S$318 found 10 hours ago
Delta
Tue, 14 Apr - Tue, 21 Apr
SAN
San Diego
DCA
Washington
S$326 Return, found 1 day ago
S$326
Return
found 1 day ago
Select Delta flight, departing Tue, 14 Apr from San Diego to Washington, returning Tue, 21 Apr, priced at S$326 found 1 day ago
Delta
Wed, 25 Mar - Tue, 31 Mar
HOU
Houston
DCA
Washington
S$473 Return, found 1 day ago
S$473
Return
found 1 day ago
Select Delta flight, departing Wed, 25 Mar from Houston to Washington, returning Tue, 31 Mar, priced at S$473 found 1 day ago
Air Canada
Thu, 11 Jun - Thu, 25 Jun
BOG
Bogotá
DCA
Washington
S$836 Return, found 1 day ago
S$836
Return
found 1 day ago
Select Air Canada flight, departing Thu, 11 Jun from Bogotá to Washington, returning Thu, 25 Jun, priced at S$836 found 1 day ago

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Trending flights to St. Mary's County

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

Japan Airlines
Thu, 5 Mar - Sun, 8 Mar
SIN
Singapore
DCA
Washington
S$1,502 Return, found 4 days ago
S$1,502
Return
found 4 days ago
Select Japan Airlines flight, departing Thu, 5 Mar from Singapore to Washington, returning Sun, 8 Mar, priced at S$1,502 found 4 days ago

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. S$176 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 (LGA), you could've picked up a low-cost fare for S$89 in the last seven days. Round-trip flights to St. Marys County ranged from S$176 to S$1,502 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 S$176 to S$1,502.
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 21ºC and 27ºC 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.

Book with confidence

Expedia offers flights to St. Mary's County to meet every traveller'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.

Travel information

St. Mary's County Flights Information

Airlines serving
Delta, American Airlines, United, JetBlue Airways, Air Canada, LATAM Airlines Group
Roundtrip price
from S$176
St. Mary's County Flights Information

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