Flights To St. Mary's County - Cheap Flights Starting at CA $84

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A wooden pier extending into a body of water with a bridge in the background.

Lexington Park

Flights
Lexington Park
A lighthouse and a historic building with a porch, surrounded by a grassy area and trees.

Piney Point

Flights
Piney Point

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.

Fri, Dec 25 - Fri, Jan 1
BOS
Logan Intl.
DCA
Ronald Reagan Washington National
CA $167 Roundtrip, found 4 hours ago
CA $167
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Fri, Dec 25 from Logan Intl. to Ronald Reagan Washington National, returning Fri, Jan 1, priced at CA $167 found 4 hours ago
Sat, Nov 7 - Sat, Nov 14
FLL
Fort Lauderdale - Hollywood Intl.
DCA
Ronald Reagan Washington National
CA $193 Roundtrip, found 2 days ago
CA $193
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Nov 7 from Fort Lauderdale - Hollywood Intl. to Ronald Reagan Washington National, returning Sat, Nov 14, priced at CA $193 found 2 days ago
Mon, Nov 2 - Tue, Nov 3
ATL
Hartsfield-Jackson Atlanta Intl.
DCA
Ronald Reagan Washington National
CA $241 Roundtrip, found 22 hours ago
CA $241
Roundtrip
found 22 hours ago
Select Delta flight, departing Mon, Nov 2 from Hartsfield-Jackson Atlanta Intl. to Ronald Reagan Washington National, returning Tue, Nov 3, priced at CA $241 found 22 hours ago
Thu, Nov 12 - Sat, Nov 14
BUF
Buffalo Niagara Intl.
DCA
Ronald Reagan Washington National
CA $322 Roundtrip, found 1 day ago
CA $322
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Nov 12 from Buffalo Niagara Intl. to Ronald Reagan Washington National, returning Sat, Nov 14, priced at CA $322 found 1 day ago
Thu, Nov 26 - Fri, Dec 4
YTZ
Billy Bishop Toronto City
DCA
Ronald Reagan Washington National
CA $336 Roundtrip, found 4 days ago
CA $336
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Nov 26 from Billy Bishop Toronto City to Ronald Reagan Washington National, returning Fri, Dec 4, priced at CA $336 found 4 days ago
Tue, Nov 10 - Tue, Nov 17
YYZ
Pearson Intl.
DCA
Ronald Reagan Washington National
CA $346 Roundtrip, found 1 day ago
CA $346
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 10 from Pearson Intl. to Ronald Reagan Washington National, returning Tue, Nov 17, priced at CA $346 found 1 day ago
Fri, Nov 6 - Sun, Nov 8
LAX
Los Angeles Intl.
DCA
Ronald Reagan Washington National
CA $368 Roundtrip, just found
CA $368
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 6 from Los Angeles Intl. to Ronald Reagan Washington National, returning Sun, Nov 8, priced at CA $368 just found
Wed, Nov 11 - Wed, Nov 18
SEA
Seattle - Tacoma Intl.
DCA
Ronald Reagan Washington National
CA $395 Roundtrip, found 1 day ago
CA $395
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Nov 11 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Wed, Nov 18, priced at CA $395 found 1 day ago
Thu, Oct 29 - Thu, Nov 5
YUL
Pierre Elliott Trudeau Intl.
DCA
Ronald Reagan Washington National
CA $472 Roundtrip, found 1 day ago
CA $472
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Oct 29 from Pierre Elliott Trudeau Intl. to Ronald Reagan Washington National, returning Thu, Nov 5, priced at CA $472 found 1 day ago
OriginDestinationTravel datesFlights from*
BOSWashingtonNovember 16 to November 19CA $167
MCOWashingtonDecember 5 to December 5CA $195
ATLWashingtonNovember 2 to November 3CA $241
MIAWashingtonNovember 3 to November 7CA $253
TPAWashingtonOctober 28 to December 5CA $304
DFWWashingtonNovember 23 to December 9CA $365
LAXWashingtonNovember 5 to November 8CA $368
DENWashingtonDecember 2 to December 8CA $414
SFOWashingtonOctober 31 to November 7CA $469
FCOWashingtonNovember 23 to February 23CA $871
*Prices include taxes and fees
OriginDestinationTravel datesFlights from*
ATLWashingtonOctober 17 to October 24CA $467
MCOWashingtonOctober 18 to October 25CA $487
DENWashingtonOctober 16 to October 18CA $709
BOSWashingtonOctober 16 to October 19CA $743
LAXWashingtonOctober 17 to October 21CA $761
SFOWashingtonOctober 18 to October 20CA $1,087
*Prices include taxes and fees
Price found within the past 48 hours. Click for updated prices.
Crowne Plaza Crystal City-Washington, D.C. by IHG
3.5-star property

Crowne Plaza Crystal City-Washington, D.C. by IHG

Dec 26 - Jan 1

6 night stay

Ottawa (YOW) to Baltimore (BWI)

Air Canada • Non-stop roundtrip • Coach
Price was CA $1,480, price is now CA $1,027 per person
CA $1,027
per person
found 20 hours ago
Sofitel Washington DC Lafayette Square
5.0-star property

Sofitel Washington DC Lafayette Square

Dec 26 - Jan 1

6 night stay

Ottawa (YOW) to Baltimore (BWI)

Air Canada • Non-stop roundtrip • Coach
Save 100% on your flight
Price was CA $2,087, price is now CA $1,355 per person
CA $1,355
per person
found 20 hours ago
Club Quarters Hotel White House, Washington DC
3.0-star property

Club Quarters Hotel White House, Washington DC

Dec 26 - Jan 1

6 night stay

Ottawa (YOW) to Baltimore (BWI)

Air Canada • Non-stop roundtrip • Coach
Price was CA $1,906, price is now CA $1,378 per person
CA $1,378
per person
found 20 hours ago
Don't see what you're looking for?
See all available trips from Ottawa to St. Mary's County
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Travelers ❤️ These St. Mary's County 🏨

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
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! (1,004 reviews)
"After years of remodeling, this hotel still has issues. Most unforgivable is the all but non existent WiFi signal. Roof leaks caused ceiling paint chips to fall in the bathroom. Musty smell. TV reception spotty. On the positive side breakfast is good."

Reviewed on Oct 10, 2026

Opens in a new windowLa Quinta Inn & Suites by Wyndham Lexington Park - Patuxent
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.
Opens in a new windowComfort Inn & Suites Lexington Park near Pax River
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Sleep Inn & Suites California MD

Sleep Inn & Suites California MD

2.5 out of 5
23428 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 helpful staff in our reviews. Popular attractions Wildewood Shopping Center and Hickory Nut Playground are located nearby.
Opens in a new windowSleep Inn & Suites California MD
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 CA $167 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. CA $167 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 CA $167 and CA $1,087 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.