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

Cheap flights to Frederick County

View €363 flight on Sat, 13 Mar 2027Opens in a new window

Popular airlines to Frederick County

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • JetBlue Airways

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Cheap round-trip flights to Frederick County

Prices were available within the past 7 days and start at €363 for one-way flights and €483 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, 2 Nov - Sat, 7 Nov
DUB
Dublin
IAD
Washington
€483 Return, found 4 hours ago
€483
Return
found 4 hours ago
Select Icelandair flight, departing Mon, 2 Nov from Dublin to Washington, returning Sat, 7 Nov, priced at €483 found 4 hours ago
British Airways
Wed, 25 Nov - Wed, 2 Dec
DUB
Dublin
IAD
Washington
€505 Return, found 4 days ago
€505
Return
found 4 days ago
Select British Airways flight, departing Wed, 25 Nov from Dublin to Washington, returning Wed, 2 Dec, priced at €505 found 4 days ago
British Airways
Thu, 25 Feb - Tue, 2 Mar
DUB
Dublin
BWI
Baltimore
€505 Return, found 6 days ago
€505
Return
found 6 days ago
Select British Airways flight, departing Thu, 25 Feb from Dublin to Baltimore, returning Tue, 2 Mar, priced at €505 found 6 days ago
Aer Lingus
Sun, 15 Nov - Sat, 21 Nov
DUB
Dublin
IAD
Washington
€513 Return, found 5 days ago
€513
Return
found 5 days ago
Select Aer Lingus flight, departing Sun, 15 Nov from Dublin to Washington, returning Sat, 21 Nov, priced at €513 found 5 days ago
American Airlines
Sat, 30 Jan - Sat, 6 Feb
DUB
Dublin
IAD
Washington
€527 Return, found 2 days ago
€527
Return
found 2 days ago
Select American Airlines flight, departing Sat, 30 Jan from Dublin to Washington, returning Sat, 6 Feb, priced at €527 found 2 days ago
Scandinavian Airlines
Wed, 11 Nov - Wed, 18 Nov
DUB
Dublin
IAD
Washington
€529 Return, found 1 day ago
€529
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Wed, 11 Nov from Dublin to Washington, returning Wed, 18 Nov, priced at €529 found 1 day ago
KLM
Sat, 30 Jan - Sat, 6 Feb
DUB
Dublin
IAD
Washington
€530 Return, found 2 days ago
€530
Return
found 2 days ago
Select KLM flight, departing Sat, 30 Jan from Dublin to Washington, returning Sat, 6 Feb, priced at €530 found 2 days ago
Iberia
Wed, 27 Jan - Thu, 4 Feb
DUB
Dublin
IAD
Washington
€530 Return, found 1 day ago
€530
Return
found 1 day ago
Select Iberia flight, departing Wed, 27 Jan from Dublin to Washington, returning Thu, 4 Feb, priced at €530 found 1 day ago
Air France
Sat, 30 Jan - Sat, 6 Feb
DUB
Dublin
IAD
Washington
€533 Return, found 2 days ago
€533
Return
found 2 days ago
Select Air France flight, departing Sat, 30 Jan from Dublin to Washington, returning Sat, 6 Feb, priced at €533 found 2 days ago
TAP Portugal
Wed, 25 Nov - Tue, 1 Dec
DUB
Dublin
IAD
Washington
€598 Return, found 4 hours ago
€598
Return
found 4 hours ago
Select TAP Portugal flight, departing Wed, 25 Nov from Dublin to Washington, returning Tue, 1 Dec, priced at €598 found 4 hours ago

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
Mon, 2 Nov - Sat, 7 Nov
DUB
Dublin
IAD
Washington
€483 Return, found 4 hours ago
€483
Return
found 4 hours ago
Select Icelandair flight, departing Mon, 2 Nov from Dublin to Washington, returning Sat, 7 Nov, priced at €483 found 4 hours ago

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 €483.
How much is a flight to Frederick County?
One-way flights departing from Dublin (DUB) sold for as little as €363 in the last seven days. During this time, the cost of a return air ticket to Frederick County ranged between €483 and €598. 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 €483 to €598.
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.

Book with confidence

About Frederick County

Expedia offers flights to Frederick County to meet every traveller'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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