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Cheap round-trip flights to Frederick County

Prices were available within the past 7 days and start at HK$843 for one-way flights and HK$1,534 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 31 Mar - Tue, 14 Apr
BOS
Boston
BWI
Baltimore
HK$1,534 Return, found 23 hours ago
HK$1,534
Return
found 23 hours ago
Select Delta flight, departing Tue, 31 Mar from Boston to Baltimore, returning Tue, 14 Apr, priced at HK$1,534 found 23 hours ago
United
Fri, 6 Mar - Tue, 10 Mar
BOS
Boston
IAD
Washington
HK$1,782 Return, found 6 days ago
HK$1,782
Return
found 6 days ago
Select United flight, departing Fri, 6 Mar from Boston to Washington, returning Tue, 10 Mar, priced at HK$1,782 found 6 days ago
American Airlines
Wed, 18 Feb - Thu, 19 Feb
BOS
Boston
IAD
Washington
HK$2,722 Return, found 2 days ago
HK$2,722
Return
found 2 days ago
Select American Airlines flight, departing Wed, 18 Feb from Boston to Washington, returning Thu, 19 Feb, priced at HK$2,722 found 2 days ago
American Airlines
Fri, 24 Apr - Mon, 27 Apr
ICN
Seoul
IAD
Washington
HK$6,230 Return, found 2 days ago
HK$6,230
Return
found 2 days ago
Select American Airlines flight, departing Fri, 24 Apr from Seoul to Washington, returning Mon, 27 Apr, priced at HK$6,230 found 2 days ago
EVA Airways
Wed, 28 Oct - Tue, 3 Nov
HKG
Hong Kong SAR
IAD
Washington
HK$7,094 Return, found 16 hours ago
HK$7,094
Return
found 16 hours ago
Select EVA Airways flight, departing Wed, 28 Oct from Hong Kong SAR to Washington, returning Tue, 3 Nov, priced at HK$7,094 found 16 hours ago
EVA Airways
Tue, 15 Sept - Fri, 18 Sept
HKG
Hong Kong SAR
BWI
Baltimore
HK$7,094 Return, found 2 days ago
HK$7,094
Return
found 2 days ago
Select EVA Airways flight, departing Tue, 15 Sept from Hong Kong SAR to Baltimore, returning Fri, 18 Sept, priced at HK$7,094 found 2 days ago
United
Fri, 27 Feb - Sun, 15 Mar
ICN
Seoul
BWI
Baltimore
HK$7,184 Return, found 22 hours ago
HK$7,184
Return
found 22 hours ago
Select United flight, departing Fri, 27 Feb from Seoul to Baltimore, returning Sun, 15 Mar, priced at HK$7,184 found 22 hours ago
Air Premia
Fri, 2 Oct - Sun, 11 Oct
ICN
Seoul
IAD
Washington
HK$7,227 Return, found 3 days ago
HK$7,227
Return
found 3 days ago
Select Air Premia flight, departing Fri, 2 Oct from Seoul to Washington, returning Sun, 11 Oct, priced at HK$7,227 found 3 days ago
Air China
Tue, 3 Mar - Tue, 10 Mar
HKG
Hong Kong SAR
IAD
Washington
HK$7,472 Return, found 8 hours ago
HK$7,472
Return
found 8 hours ago
Select Air China flight, departing Tue, 3 Mar from Hong Kong SAR to Washington, returning Tue, 10 Mar, priced at HK$7,472 found 8 hours ago
Air Canada
Wed, 13 May - Mon, 17 Aug
HKG
Hong Kong SAR
IAD
Washington
HK$7,737 Return, found 5 days ago
HK$7,737
Return
found 5 days ago
Select Air Canada flight, departing Wed, 13 May from Hong Kong SAR to Washington, returning Mon, 17 Aug, priced at HK$7,737 found 5 days ago

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.

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 HK$1,534.
How much is a flight to Frederick County?
One-way flights departing from Boston (BOS) sold for as little as HK$843 in the last seven days. During this time, the cost of a return air ticket to Frederick County ranged between HK$1,534 and HK$7,737. 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 HK$1,534 to HK$7,737.
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.

EVA Airways
Wed, 28 Oct - Tue, 3 Nov
HKG
Hong Kong SAR
IAD
Washington
HK$7,094 Return, found 16 hours ago
HK$7,094
Return
found 16 hours ago
Select EVA Airways flight, departing Wed, 28 Oct from Hong Kong SAR to Washington, returning Tue, 3 Nov, priced at HK$7,094 found 16 hours ago
*Available to Expedia members.