Cheap Flights to Frederick County | Popular Routes to Frederick County from HK$821

View HK$821 flight on Tue, 15 Sept 2026Opens in a new window

Popular airlines to Frederick County

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  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

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Cheap round-trip flights to Frederick County

Prices were available within the past 7 days and start at HK$821 for one-way flights and HK$1,706 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 18 Jul - Wed, 22 Jul
DTW
Detroit
BWI
Baltimore
HK$1,706 Return, found 16 hours ago
HK$1,706
Return
found 16 hours ago
Select Delta flight, departing Sat, 18 Jul from Detroit to Baltimore, returning Wed, 22 Jul, priced at HK$1,706 found 16 hours ago
American Airlines
Tue, 15 Sept - Fri, 18 Sept
DTW
Detroit
BWI
Baltimore
HK$2,862 Return, found 6 days ago
HK$2,862
Return
found 6 days ago
Select American Airlines flight, departing Tue, 15 Sept from Detroit to Baltimore, returning Fri, 18 Sept, priced at HK$2,862 found 6 days ago
United
Sat, 18 Jul - Wed, 22 Jul
DTW
Detroit
BWI
Baltimore
HK$3,260 Return, found 16 hours ago
HK$3,260
Return
found 16 hours ago
Select United flight, departing Sat, 18 Jul from Detroit to Baltimore, returning Wed, 22 Jul, priced at HK$3,260 found 16 hours ago
Air China
Tue, 8 Sept - Fri, 25 Sept
HKG
Hong Kong SAR
IAD
Washington
HK$7,478 Return, found 4 days ago
HK$7,478
Return
found 4 days ago
Select Air China flight, departing Tue, 8 Sept from Hong Kong SAR to Washington, returning Fri, 25 Sept, priced at HK$7,478 found 4 days ago
Delta
Wed, 7 Oct - Wed, 21 Oct
HKG
Hong Kong SAR
BWI
Baltimore
HK$8,216 Return, found 1 hour ago
HK$8,216
Return
found 1 hour ago
Select Delta flight, departing Wed, 7 Oct from Hong Kong SAR to Baltimore, returning Wed, 21 Oct, priced at HK$8,216 found 1 hour ago
Qatar Airways
Fri, 26 Mar - Tue, 6 Apr
HKG
Hong Kong SAR
IAD
Washington
HK$8,270 Return, found 4 hours ago
HK$8,270
Return
found 4 hours ago
Select Qatar Airways flight, departing Fri, 26 Mar from Hong Kong SAR to Washington, returning Tue, 6 Apr, priced at HK$8,270 found 4 hours ago
Turkish Airlines
Thu, 11 Jun - Sun, 28 Jun
HKG
Hong Kong SAR
IAD
Washington
HK$9,052 Return, found 4 days ago
HK$9,052
Return
found 4 days ago
Select Turkish Airlines flight, departing Thu, 11 Jun from Hong Kong SAR to Washington, returning Sun, 28 Jun, priced at HK$9,052 found 4 days ago
STARLUX Airlines
Fri, 11 Sept - Fri, 18 Sept
HKG
Hong Kong SAR
IAD
Washington
HK$9,142 Return, found 23 hours ago
HK$9,142
Return
found 23 hours ago
Select STARLUX Airlines flight, departing Fri, 11 Sept from Hong Kong SAR to Washington, returning Fri, 18 Sept, priced at HK$9,142 found 23 hours ago
EVA Airways
Sat, 19 Sept - Sun, 27 Sept
HKG
Hong Kong SAR
IAD
Washington
HK$9,418 Return, found 1 day ago
HK$9,418
Return
found 1 day ago
Select EVA Airways flight, departing Sat, 19 Sept from Hong Kong SAR to Washington, returning Sun, 27 Sept, priced at HK$9,418 found 1 day ago
Swiss International Air Lines
Tue, 22 Dec - Wed, 6 Jan
HKG
Hong Kong SAR
IAD
Washington
HK$10,116 Return, found 2 days ago
HK$10,116
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, 22 Dec from Hong Kong SAR to Washington, returning Wed, 6 Jan, priced at HK$10,116 found 2 days 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.

Air China
Tue, 8 Sept - Fri, 25 Sept
HKG
Hong Kong SAR
IAD
Washington
HK$7,478 Return, found 4 days ago
HK$7,478
Return
found 4 days ago
Select Air China flight, departing Tue, 8 Sept from Hong Kong SAR to Washington, returning Fri, 25 Sept, priced at HK$7,478 found 4 days 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 HK$1,706.
How much is a flight to Frederick County?
One-way flights departing from Detroit (DTW) sold for as little as HK$821 in the last seven days. During this time, the cost of a return air ticket to Frederick County ranged between HK$1,706 and HK$10,116. 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$1,706 to HK$10,116.
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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