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CA $81 Cheap Flight to St. Mary's County

View CA $81 flight on Wed, Sep 23, 2026Opens in a new window

Popular airlines to St. Mary's County

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

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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 $81 for one-way flights and CA $161 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
JetBlue Airways
American Airlines
American Airlines
JetBlue Airways
Air Canada
Air Canada
Air Canada
United

Airports in St. Mary's County

Prices were available within the past 7 days. Prices and availability are subject to change.

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.

Air Canada

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 $161 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 $161 and CA $331. If you were journeying one way from Boston (BOS), you could have gotten an affordable fare from only CA $81.
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 $161 and CA $331. 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.

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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 $81. 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, Delta, JetBlue Airways, Southwest Airlines, Air Canada, United
Roundtrip price
from CA $161
St. Mary's County Flights Information
*Available to Expedia members.