A stone bridge over a canal with lily pads, brick buildings, and a clear blue sky.

Frederick County Flights - Book Cheap Flights to Frederick County

View RM711 flight on Fri, 9 Oct 2026Opens in a new window

Popular airlines to Frederick County

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  • American Airlines

  • Delta

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  • United

  • Alaska Airlines

  • Southwest Airlines

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Cheap round-trip flights to Frederick County

Prices were available within the past 7 days and start at RM711 for one-way flights and RM1,356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
United
American Airlines
Icelandair
Delta
KLM
Air France
Finnair
Swiss International Air Lines
Austrian Airlines

Trending flights to Frederick 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.

Qatar Airways

Frequently asked questions

How do I find cheap flights to Frederick County that have flexible change policies?
At Expedia, we've been channeling our inner contortionist to bring you the most flexible airfares around. Simply check the "No change fee" box directly beneath the filter heading "Flexible change policies" to find your dream flight to Frederick County.
Which airlines fly to Frederick County?
A good selection of airlines fly to destinations in or close to Frederick County. Your trip is just clicks away with these popular carriers:
  • American Airlines - 7,501 flights to or near Frederick 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 Frederick 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 Frederick 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 Frederick County?
Book ahead of time, fly with budget airlines, use miles or points — there are loads of ways! One more is to make the most of Expedia's "flexible dates" feature. Search for your Frederick County flight, then compare the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Frederick County was RM1,356.
How much is a flight to Frederick County?
One-way flights departing from Denver (DEN) sold for as little as RM711 in the last seven days. During this time, the cost of a return air ticket to Frederick County ranged between RM1,356 and RM5,309. If you find a fantastic deal, book immediately — these prices don't stick around for long.
What are the most popular airports to fly into in Frederick County?
Choosing your airport comes down to factors including your budget and carrier. Here are your two options in Frederick County:
  • Ronald Reagan Washington National Airport (DCA) - 11,555 flights per month.
  • Washington Dulles Intl. Airport (IAD) - 6,533 flights per month.
How much is a plane ticket to Frederick County?
In the last seven days, tickets to Frederick County fluctuated from RM1,356 to RM5,309.
What is the best time to go to Frederick County?
Green Valley, Frederick County's top city, is a terrific destination to explore at anytime. Don't like chilly weather? Then head here from June 20 onward in summer, when average temperatures range from 18ºC to 29ºC. March, May and June is when Green Valley is at its busiest.
What months are the cheapest to book a flight to Frederick County?
February is a great month to land a bargain fare to Frederick County. Bear in mind that the costliest time to make a booking in the USA isn't during the peak of summer, but the festive month of December.

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About Frederick County

Expedia offers flights to Frederick County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Frederick County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Frederick County
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