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
United
Fri, 6 Feb - Sun, 8 Feb
BOS
Boston
DCA
Washington
S$317 Return, found 5 days ago
S$317
Return
found 5 days ago
Select United flight, departing Fri, 6 Feb from Boston to Washington, returning Sun, 8 Feb, priced at S$317 found 5 days ago
Delta
Sat, 28 Feb - Sat, 7 Mar
PHX
Phoenix
DCA
Washington
S$392 Return, found 21 hours ago
S$392
Return
found 21 hours ago
Select Delta flight, departing Sat, 28 Feb from Phoenix to Washington, returning Sat, 7 Mar, priced at S$392 found 21 hours ago
Delta
Wed, 25 Feb - Wed, 4 Mar
DSM
Des Moines
DCA
Washington
S$420 Return, found 3 days ago
S$420
Return
found 3 days ago
Select Delta flight, departing Wed, 25 Feb from Des Moines to Washington, returning Wed, 4 Mar, priced at S$420 found 3 days ago
Delta
Sat, 24 Jan - Sat, 31 Jan
LAX
Los Angeles
DCA
Washington
S$426 Return, found 6 days ago
S$426
Return
found 6 days ago
Select Delta flight, departing Sat, 24 Jan from Los Angeles to Washington, returning Sat, 31 Jan, priced at S$426 found 6 days ago
Swiss International Air Lines
Tue, 20 Jan - Tue, 3 Feb
LHR
London
DCA
Washington
S$720 Return, found 6 days ago
S$720
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Tue, 20 Jan from London to Washington, returning Tue, 3 Feb, priced at S$720 found 6 days ago
Delta
Wed, 28 Jan - Wed, 4 Feb
TPE
Taipei
DCA
Washington
S$756 Return, found 22 hours ago
S$756
Return
found 22 hours ago
Select Delta flight, departing Wed, 28 Jan from Taipei to Washington, returning Wed, 4 Feb, priced at S$756 found 22 hours ago
Air Canada
Tue, 20 Jan - Tue, 3 Feb
LHR
London
DCA
Washington
S$779 Return, found 6 days ago
S$779
Return
found 6 days ago
Select Air Canada flight, departing Tue, 20 Jan from London to Washington, returning Tue, 3 Feb, priced at S$779 found 6 days ago

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

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.

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, Air Canada, Swiss International Air Lines, Hainan Airlines
Roundtrip price
from S$164
St. Mary's County Flights Information

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