Flight to St. Mary's County

View S$83 flight on Sat, 31 Jan, 2026Opens in a new window

Popular airlines to St. Mary's County

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Spirit Airlines

    Spirit Airlines

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • Alaska Airlines

    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$83 for one-way flights and S$164 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 31 Jan - Sun, 1 Feb
JFK
New York
DCA
Washington
S$164 Return, found 4 days ago
S$164
Return
found 4 days ago
Select Delta flight, departing Sat, 31 Jan from New York to Washington, returning Sun, 1 Feb, priced at S$164 found 4 days ago
Delta
Fri, 6 Feb - Sun, 8 Feb
BOS
Boston
DCA
Washington
S$215 Return, found 5 days ago
S$215
Return
found 5 days ago
Select Delta flight, departing Fri, 6 Feb from Boston to Washington, returning Sun, 8 Feb, priced at S$215 found 5 days ago
American Airlines
Sat, 31 Jan - Sun, 1 Feb
JFK
New York
DCA
Washington
S$241 Return, found 4 days ago
S$241
Return
found 4 days ago
Select American Airlines flight, departing Sat, 31 Jan from New York to Washington, returning Sun, 1 Feb, priced at S$241 found 4 days ago
Air Canada
Fri, 13 Feb - Mon, 16 Feb
YTZ
Toronto
DCA
Washington
S$280 Return, found 1 day ago
S$280
Return
found 1 day ago
Select Air Canada flight, departing Fri, 13 Feb from Toronto to Washington, returning Mon, 16 Feb, priced at S$280 found 1 day ago
Air Canada
Thu, 29 Jan - Wed, 4 Feb
YYZ
Toronto
DCA
Washington
S$287 Return, found 2 days ago
S$287
Return
found 2 days ago
Select Air Canada flight, departing Thu, 29 Jan from Toronto to Washington, returning Wed, 4 Feb, priced at S$287 found 2 days ago
Air Canada
Fri, 23 Jan - Sun, 25 Jan
YHM
Hamilton
DCA
Washington
S$288 Return, found 5 days ago
S$288
Return
found 5 days ago
Select Air Canada flight, departing Fri, 23 Jan from Hamilton to Washington, returning Sun, 25 Jan, priced at S$288 found 5 days ago
United
Thu, 29 Jan - Wed, 4 Feb
YYZ
Toronto
DCA
Washington
S$294 Return, found 2 days ago
S$294
Return
found 2 days ago
Select United flight, departing Thu, 29 Jan from Toronto to Washington, returning Wed, 4 Feb, priced at S$294 found 2 days ago
Delta
Fri, 6 Mar - Mon, 9 Mar
SEA
Seattle
DCA
Washington
S$308 Return, found 20 hours ago
S$308
Return
found 20 hours ago
Select Delta flight, departing Fri, 6 Mar from Seattle to Washington, returning Mon, 9 Mar, priced at S$308 found 20 hours ago
Air Canada
Fri, 11 Sept - Sun, 13 Sept
YKF
Kitchener
DCA
Washington
S$312 Return, found 3 days ago
S$312
Return
found 3 days ago
Select Air Canada flight, departing Fri, 11 Sept from Kitchener to Washington, returning Sun, 13 Sept, priced at S$312 found 3 days ago
JetBlue Airways
Tue, 19 May - Sun, 31 May
ORD
Chicago
DCA
Washington
S$324 Return, found 6 days ago
S$324
Return
found 6 days ago
Select JetBlue Airways flight, departing Tue, 19 May from Chicago to Washington, returning Sun, 31 May, priced at S$324 found 6 days ago
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.

St. Mary's County Flights Information

Airlines serving
Delta, American Airlines, United, Air Canada, JetBlue Airways, Virgin Atlantic
Roundtrip price
from S$164

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$164 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 S$83 in the last seven days. Round-trip flights to St. Marys County ranged from S$164 to S$1,503 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$164 to S$1,503.
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.

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
Sun, 8 Feb - Sun, 15 Feb
SIN
Singapore
DCA
Washington
S$1,503 Return, found 6 days ago
S$1,503
Return
found 6 days ago
Select Japan Airlines flight, departing Sun, 8 Feb from Singapore to Washington, returning Sun, 15 Feb, priced at S$1,503 found 6 days ago
*Available to Expedia members.