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CA $97 Cheap Flight to St. Mary's County

View CA $97 flight on Tue, Sep 15, 2026Opens in a new window

Popular airlines to St. Mary's County

  • Frontier Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • JetBlue Airways

  • Alaska Airlines

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How much is the cheapest flight to St. Mary's County?

Prices were available within the past 7 days and start at CA $97 for one-way flights and CA $167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Jul 25 - Tue, Jul 28
BOS
Boston
DCA
Washington
CA $167 Roundtrip, found 6 days ago
CA $167
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Jul 25 from Boston to Washington, returning Tue, Jul 28, priced at CA $167 found 6 days ago
JetBlue Airways
Thu, Aug 20 - Mon, Aug 24
FLL
Fort Lauderdale
DCA
Washington
CA $192 Roundtrip, found 4 hours ago
CA $192
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Thu, Aug 20 from Fort Lauderdale to Washington, returning Mon, Aug 24, priced at CA $192 found 4 hours ago
JetBlue Airways
Thu, Aug 20 - Wed, Aug 26
FLL
Fort Lauderdale
DCA
Washington
CA $193 Roundtrip, found 12 hours ago
CA $193
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Thu, Aug 20 from Fort Lauderdale to Washington, returning Wed, Aug 26, priced at CA $193 found 12 hours ago
JetBlue Airways
Sat, Sep 26 - Tue, Sep 29
BOS
Boston
DCA
Washington
CA $197 Roundtrip, found 5 hours ago
CA $197
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Sat, Sep 26 from Boston to Washington, returning Tue, Sep 29, priced at CA $197 found 5 hours ago
Delta
Thu, Aug 27 - Fri, Sep 11
BOS
Boston
DCA
Washington
CA $198 Roundtrip, found 4 hours ago
CA $198
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Aug 27 from Boston to Washington, returning Fri, Sep 11, priced at CA $198 found 4 hours ago
JetBlue Airways
Fri, Aug 28 - Mon, Aug 31
FLL
Fort Lauderdale
DCA
Washington
CA $217 Roundtrip, found 1 day ago
CA $217
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri, Aug 28 from Fort Lauderdale to Washington, returning Mon, Aug 31, priced at CA $217 found 1 day ago
JetBlue Airways
Fri, Aug 28 - Mon, Aug 31
FLL
Fort Lauderdale
DCA
Washington
CA $218 Roundtrip, found 1 day ago
CA $218
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri, Aug 28 from Fort Lauderdale to Washington, returning Mon, Aug 31, priced at CA $218 found 1 day ago
American Airlines
Sat, Aug 8 - Wed, Aug 12
ATL
Atlanta
DCA
Washington
CA $235 Roundtrip, found 2 hours ago
CA $235
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Aug 8 from Atlanta to Washington, returning Wed, Aug 12, priced at CA $235 found 2 hours ago
Air Canada
Sat, Aug 29 - Tue, Sep 1
YYC
Calgary
DCA
Washington
CA $385 Roundtrip, found 1 day ago
CA $385
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Aug 29 from Calgary to Washington, returning Tue, Sep 1, priced at CA $385 found 1 day ago
Porter Airlines
Tue, Sep 15 - Tue, Sep 22
YYZ
Toronto
DCA
Washington
CA $390 Roundtrip, found 3 hours ago
CA $390
Roundtrip
found 3 hours ago
Select Porter Airlines flight, departing Tue, Sep 15 from Toronto to Washington, returning Tue, Sep 22, priced at CA $390 found 3 hours 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.

Delta
Sat, Oct 3 - Sat, Oct 10
YYZ
Toronto
DCA
Washington
CA $375 Roundtrip, found 7 hours ago
CA $375
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Oct 3 from Toronto to Washington, returning Sat, Oct 10, priced at CA $375 found 7 hours ago

Frequently asked questions

How do I find cheap flights to St. Mary's County that have flexible change policies?
When it comes to travelling these days, flexibility is a must. That's why we have a "No change fee" search function to help you locate flexible and cheap fares to St. Mary's County. It's near the top left of your screen just below the "Flexible change policies" subheading.
Which airlines fly to St. Mary's County?
Wherever you want to wander in St. Mary's County and whenever you're hoping to depart, you'll find your ideal flight among these airlines:

  • American Airlines - 7,799 flights to or near St. Mary's County each month, including 7,630 flights to Ronald Reagan Washington National Airport (DCA) and 169 to Washington Dulles Intl. Airport (IAD) per month.
  • United Airlines - 6,407 flights to or near St. Mary's County each month, including 5,522 flights to Washington Dulles Intl. Airport (IAD) and 885 to Ronald Reagan Washington National Airport (DCA) per month.
  • Delta - 2,059 flights to or near St. Mary's County each month, including 1,621 flights to Ronald Reagan Washington National Airport (DCA) and 437 to Washington Dulles Intl. Airport (IAD) per month.

How can I find cheap tickets to St. Mary's County?
You'll always pick up a terrific deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred travel date, then check the flexible dates box above to compare the cheapest prices for nearby days. CA $167 was the best price for a flight to St. Mary's County in the last seven days.
How much is a flight to St. Mary's County?
The cost of a round-trip ticket to St. Mary's County in the last seven days varied between CA $167 and CA $390. If you were journeying one way from Fort Lauderdale (FLL), you could have gotten an affordable fare from only CA $97.
What are the most popular airports to fly into in St. Mary's County?
Deciding on an airport comes down to factors including your airline, budget and where you plan to explore. Here are your two options in St. Mary's County:

  • Ronald Reagan Washington National Airport (DCA) - 12,174 flights per month.
  • Washington Dulles Intl. Airport (IAD) - 6,641 flights per month.

When is the cheapest time to fly to St. Mary's County?
Take off for St. Mary's County early in the week and you'll usually be rewarded with cheaper fares. Tuesday is known for being the cheapest day to jet off, followed by Monday. If you want to avoid the most expensive flights, stay away from Saturdays.
How much is a plane ticket to St. Mary's County?
In the last seven days, plane tickets varied between CA $167 and CA $390. Check out our sensational deals to St. Mary's County, pick your favourite and then get packing!
What are the best things to do in St. Mary's County?

  • Start things off in the busy city of California and you'll have an almost endless selection of attractions to get to. St. Mary's River State Park is just one place to start. Make sure you soak up the nightlife, sample the local cuisine and shop up a storm while you're in town too.
  • Before you pack for the humid subtropical climate of California, research the weather. This will help make sure you bring the things you need and avoid taking those you don't, whether that's your flip-flops or woolly scarf.

What is the best time to go to St. Mary's County?
If you like your days to sizzle like a cookout, organize your trip to St. Mary's County anytime from June 20. This is the beginning of the summer season, when average temperatures vary between 21ºC and 28ºC in the major city of California. May, June and July are the most popular months to discover this destination.
What months are the cheapest to book a flight to St. Mary's County?
To land a low-cost flight to St. Mary's County, try to book during the month of February when ticket prices are at their cheapest. When's the most expensive time? In the United States, it's December.

Book with confidence

Top Travel Tips for Flying to St. Mary's County

Get ready for an incredible adventure as you embark on your journey to St. Mary's County. With Expedia, finding the perfect flights is a breeze. Discover valuable travel insights and expert tips to ensure a seamless and enjoyable trip to this captivating destination.

Unleash Your Wanderlust

Pack your bags, secure your flights to St. Mary's County, and let Expedia be your trusted companion in fulfilling your travel dreams. Our wide selection of flights offers you the flexibility to explore St. Mary's County in your own unique style. Experience the trip of a lifetime with just a click, courtesy of Expedia.

Unbeatable Value with Expedia

At Expedia, we understand the importance of budget-friendly travel. That's why we are dedicated to bringing you the best deals on affordable and cheap flights from the UK to St. Mary's County. Experience the perfect balance between adventure and savings with our competitively-priced roundtrip and one-way flight options.

Endless Flight Choices

With 20 different airlines flying to St. Mary's County, you have a world of options at your fingertips. Whether you're a spontaneous traveler or a meticulous planner, find the flights that suit your schedule and preferences seamlessly. Explore last-minute deals or plan ahead with ease.

Empowering Your Decision

We believe in putting you in control of your travel choices. Our extensive range of airline tickets to St. Mary's County caters to every budget, starting from the lowest price CA $97. Enjoy the freedom to choose the perfect flights that align with your needs and desires.

Effortless Booking Process

Experience a hassle-free booking journey with Expedia. Whether you're seeking a red-eye flight, a direct route to a specific airport, or one-way flights to St. Mary's County, our streamlined booking process ensures convenience and efficiency. Download our mobile booking app to reserve your flights anytime, anywhere.

Your Adventure Awaits

It's time to make your dreams a reality. Book your airfare to St. Mary's County today with Expedia. Begin crafting your unique travel story and get ready for an unforgettable experience that caters to your tastes and budget.

Start your journey now and let the adventure unfold.

Top Travel Tips for Flying to St. Mary's County

Travel information

St. Mary's County Flights Information

Airlines serving
American Airlines, JetBlue Airways, Delta, United, Air Canada, Porter Airlines
Roundtrip price
from CA $167
St. Mary's County Flights Information
*Available to Expedia members.