Cheap Flights to St. Mary's County from $79 (2026/2027)

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How Much Does it Cost To Fly To St. Mary's County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

OriginDestinationTravel DatesFlights From*
ATLWashingtonDecember 15 to December 16$137
MCOWashingtonJanuary 13 to January 16$147
MIAWashingtonJanuary 14 to January 18$188
TPAWashingtonDecember 9 to December 15$210
DFWWashingtonJanuary 12 to January 16$210
LAXWashingtonDecember 9 to December 12$263
BOSWashingtonFebruary 3 to February 6$267
DENWashingtonDecember 9 to January 13$288
SFOWashingtonJanuary 26 to February 2$318
FCOWashingtonJanuary 27 to February 10$626
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
MCOWashingtonNovember 22 to November 26$325
TPAWashingtonNovember 20 to November 23$326
DFWWashingtonNovember 21 to December 4$328
ATLWashingtonNovember 20 to November 22$365
LAXWashingtonNovember 21 to December 13$368
MIAWashingtonNovember 22 to December 4$440
DENWashingtonNovember 20 to November 23$449
SFOWashingtonNovember 20 to December 8$460
BOSWashingtonNovember 21 to November 23$548
FCOWashingtonNovember 20 to November 22$636
*Prices include taxes and fees

Best St. Mary's County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Phoenix Park Hotel
Eurostars Saint Gregory Dupont Circle Georgetown
Sofitel Washington DC Lafayette Square
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Travelers ❤️ These St. Mary's County 🏨

La Quinta Inn & Suites by Wyndham Lexington Park - Patuxent

La Quinta Inn & Suites by Wyndham Lexington Park - Patuxent

3 out of 5
22769 Three Notch Rd California MD
Book a stay at this business-friendly hotel in California. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions San Souci Shopping Center and Town Creek Park are located nearby.
7.8/10 Good! (1,000 reviews)
"very clean comfortable place to stay"

Reviewed on Nov 9, 2026

Opens in a new windowLa Quinta Inn & Suites by Wyndham Lexington Park - Patuxent
avid hotel California - Lexington Park by IHG

avid hotel California - Lexington Park by IHG

3 out of 5
23274 Three Notch Road California MD
Book a stay at this business-friendly hotel in California. Enjoy free breakfast, free WiFi, and a fitness center. Popular attractions Wildewood Shopping Center and First Colony Shopping Center are located nearby.
Opens in a new windowavid hotel California - Lexington Park by IHG
Comfort Inn & Suites Lexington Park near Pax River

Comfort Inn & Suites Lexington Park near Pax River

2.5 out of 5
21885 Three Notch Rd Lexington Park MD
Book a stay at this business-friendly hotel in Lexington Park. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions Patuxent River Naval Air Museum and Dunleigh Neighborhood Park are located nearby.
8.6/10 Excellent! (765 reviews)
"Breakfast was good. Quiet rooms"

Reviewed on Nov 13, 2026

Opens in a new windowComfort Inn & Suites Lexington Park near Pax River
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Island Inn & Suites, an Ascend Collection Hotel

Island Inn & Suites, an Ascend Collection Hotel

3 out of 5
16810 Piney Point Road Piney Point MD
Book a stay at this business-friendly hotel in Piney Point. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions Saint George Island Beach and Piney Point Beach are located nearby.
Opens in a new windowIsland Inn & Suites, an Ascend Collection Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to St. Mary's County?
To give you a ballpark figure, the cheapest roundtrip flight to St. Mary's County cost $137 within the last seven days. An excellent way to snap up a travel bargain is to be flexible with your dates. This price was available on Travelocity for flights to St. Mary's County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to St. Mary's County?
Splurge more money on great experiences and less on your airfare by hopping on a plane to St. Mary's County in December. This is the most affordable month to jet off to this place based on Travelocity's direct return flight demand between January and December last year. Browse through our selection of flights and get away from it all without breaking your budget.
How can I check my flight status to St. Mary's County?
"Trips" is your one-stop shop when it comes to details about your flight to St. Mary's County. This handy portal lets you handle everything in the one place, from checking your flight status to updating or canceling your booking. Click on Trips at the top of the Travelocity homepage and then create a new account or sign in to an existing one. You can also download the Travelocity app and access your info while you're out and about. Whether you've got the family flying with you or you're a solo wanderer, all your bookings are right there in your pocket.
How do I find the best deals on flights to St. Mary's County?
Snap up an unbeatable deal with Travelocity — our "Flexible dates" feature makes the process easier. Enter your dates, then tap or click on the flexible dates box above your search results to compare prices for nearby days. $137 was the best price for a roundtrip flight to St. Mary's County in the last seven days. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to St. Mary's County with Travelocity?
Browse cheap flights to St. Mary's County with Travelocity and begin organizing your next getaway. With round-the-clock customer service throughout every stage of the process and a Price Match Guarantee, we take the hassle out of reserving cheap family flights, hotels, rental cars and more. Score a superb deal today and get set for a new adventure.
What are the most popular flight routes to St. Mary's County?
With good connections, organizing flights to St. Mary's County couldn't be simpler. Here's a selection of the most sought-after flight routes to this favorite destination:

  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Washington Dulles Intl. Airport (IAD) - 1,859 flights a month.
  • Charlotte, NC (CLT-Charlotte-Douglas Intl.) to Washington Dulles Intl. Airport (IAD) - 1,347 flights a month.
  • Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Washington Dulles Intl. Airport (IAD) - 1,321 flights a month.

How much is a flight to St. Mary's County on average?
Passengers have booked roundtrip flights to St. Mary's County for between $137 and $636 with Travelocity in the last seven days. Whether you'd like to fly budget or first class, we'll help you get an incredible deal. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to St. Mary's County?
Where you fly from will mostly determine how many hours your direct flight to St. Mary's County will be. Here are a few of the popular routes to St. Mary's County and average flight times:

  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Washington Dulles Intl. Airport (IAD) - 1 hour and 47 minutes
  • Charlotte, NC (CLT-Charlotte-Douglas Intl.) to Washington Dulles Intl. Airport (IAD) - 1 hour and 29 minutes
  • Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Washington Dulles Intl. Airport (IAD) - 1 hour and 29 minutes

What can I expect on a flight to St. Mary's County?
If you have a long-haul flight to St. Mary's County, you can usually expect drinks, meals and entertainment on board. Airlines aim to make longer flights as pleasant as possible. Shorter journeys — as well as flights offered by budget airlines — may not have such inclusions. If you're chasing cheap flights for family vacations with a budget carrier, it's likely you'll pay extra for things like drinks and snacks.