£348 Cheap Flights to Frederick County

Popular airlines to Frederick County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • JetBlue Airways

    JetBlue Airways

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Top Cities to Visit in Frederick County

Frederick
FlightsFlights

Frederick

Frederick
FlightsFlights

Emmitsburg

Emmitsburg

Cheap round-trip flights to Frederick County

Prices were available within the past 7 days and start at £348 for one-way flights and £377 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Wed, 17 Sep - Wed, 1 Oct
LGW
London
IAD
Washington
£377 Return, found 2 hours ago
£377
Return
found 2 hours ago
Select Icelandair flight, departing Wed, 17 Sep from London to Washington, returning Wed, 1 Oct, priced at £377 found 2 hours ago
Aer Lingus
Thu, 4 Dec - Wed, 10 Dec
LHR
London
IAD
Washington
£402 Return, just found
£402
Return
just found
Select Aer Lingus flight, departing Thu, 4 Dec from London to Washington, returning Wed, 10 Dec, priced at £402 just found
TAP Portugal
Wed, 11 Mar - Tue, 17 Mar
LGW
London
IAD
Washington
£409 Return, found 3 days ago
£409
Return
found 3 days ago
Select TAP Portugal flight, departing Wed, 11 Mar from London to Washington, returning Tue, 17 Mar, priced at £409 found 3 days ago
Icelandair
Mon, 22 Sep - Sat, 4 Oct
LHR
London
BWI
Baltimore
£448 Return, just found
£448
Return
just found
Select Icelandair flight, departing Mon, 22 Sep from London to Baltimore, returning Sat, 4 Oct, priced at £448 just found
Icelandair
Thu, 28 Aug - Wed, 3 Sep
LGW
London
BWI
Baltimore
£449 Return, found 1 day ago
£449
Return
found 1 day ago
Select Icelandair flight, departing Thu, 28 Aug from London to Baltimore, returning Wed, 3 Sep, priced at £449 found 1 day ago
American Airlines
Thu, 25 Sep - Mon, 29 Sep
LGW
London
IAD
Washington
£461 Return, found 4 hours ago
£461
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 25 Sep from London to Washington, returning Mon, 29 Sep, priced at £461 found 4 hours ago
Scandinavian Airlines
Thu, 20 Nov - Thu, 27 Nov
LHR
London
IAD
Washington
£461 Return, found 1 hour ago
£461
Return
found 1 hour ago
Select Scandinavian Airlines flight, departing Thu, 20 Nov from London to Washington, returning Thu, 27 Nov, priced at £461 found 1 hour ago
Swiss International Air Lines
Wed, 3 Sep - Tue, 9 Sep
LGW
London
IAD
Washington
£463 Return, found 2 hours ago
£463
Return
found 2 hours ago
Select Swiss International Air Lines flight, departing Wed, 3 Sep from London to Washington, returning Tue, 9 Sep, priced at £463 found 2 hours ago
Austrian Airlines
Mon, 17 Nov - Sat, 22 Nov
LHR
London
IAD
Washington
£467 Return, found 5 hours ago
£467
Return
found 5 hours ago
Select Austrian Airlines flight, departing Mon, 17 Nov from London to Washington, returning Sat, 22 Nov, priced at £467 found 5 hours ago
Lufthansa
Mon, 17 Nov - Sat, 22 Nov
LHR
London
IAD
Washington
£467 Return, found 5 hours ago
£467
Return
found 5 hours ago
Select Lufthansa flight, departing Mon, 17 Nov from London to Washington, returning Sat, 22 Nov, priced at £467 found 5 hours ago

Top tips for booking flights to Frederick County from UK

Get ready to fly to Frederick County

Prepare your luggage and book your flights to Frederick County with Expedia. We offer a seamless flight booking experience, with a wide range of Frederick County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Frederick County in 2025, we are always available to assist you. Book your flights to Frederick County today and let the adventure begin!

Find the best tickets to Frederick County

To find some of the best tickets to Frederick County in 2025, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Frederick County or last-minute flights to Frederick County, you can filter and sort your search results, making it easy to find the ideal flight to Frederick County.

Airlines fly to Frederick County

There are 20 different airlines that fly to Frederick County including some of the most trusted names in the business. To book flights to Frederick County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Frederick County plane tickets.

Find the cheapest flights to Frederick County

By booking early you may find some of the best deals for Frederick County flights from the UK, including Frederick County direct flights. You can usually find affordable and cheap flights to Frederick County, whether one-way from £348 or round-trip from £377, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Frederick County

Try searching for different Frederick County airports with Expedia to find some of the cheapest flights to Frederick County. Flights from London (LGW) to Washington (IAD) usually have the lowest price from £348.

Why book your flights to Frederick County with Expedia

Expedia offers great deals on Frederick County air fares from £348 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Frederick County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

Frederick County Flights Information

Airlines serving
TAP Portugal, Icelandair, Aer Lingus, American Airlines, Scandinavian Airlines, Swiss International Air Lines, Austrian Airlines, Lufthansa, Royal Air Maroc, avianca, Turkish Airlines, Iberia
Roundtrip price
from £377

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 £377.
How much is a flight to Frederick County?
One-way flights departing from London (LGW) sold for as little as £348 in the last seven days. During this time, the cost of a return air ticket to Frederick County ranged between £377 and £726. 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.

When is the cheapest time to fly to Frederick County?
Jetting off on a Tuesday, followed by a Monday, is generally the best way to land the cheapest fare. Stay away from the weekends if possible, because Saturday is typically the most expensive day. Spend the money you saved having an awesome time in Frederick County instead!
How much is a plane ticket to Frederick County?
In the last seven days, tickets to Frederick County fluctuated from £377 to £726.
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.

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.

Icelandair
Wed, 17 Sep - Wed, 1 Oct
LGW
London
IAD
Washington
£377 Return, found 2 hours ago
£377
Return
found 2 hours ago
Select Icelandair flight, departing Wed, 17 Sep from London to Washington, returning Wed, 1 Oct, priced at £377 found 2 hours ago
*Available to Expedia members.