Cheap Flights to Frederick County | Popular Routes to Frederick County from HK$1,178

View HK$1,178 flight on Thu, 4 Jun 2026Opens in a new window

Popular airlines to Frederick County

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  • American Airlines

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  • United

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Cheap round-trip flights to Frederick County

Prices were available within the past 7 days and start at HK$1,178 for one-way flights and HK$1,779 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 4 Jun - Mon, 8 Jun
YTZ
Toronto
IAD
Washington
HK$1,779 Return, found 3 days ago
HK$1,779
Return
found 3 days ago
Select Air Canada flight, departing Thu, 4 Jun from Toronto to Washington, returning Mon, 8 Jun, priced at HK$1,779 found 3 days ago
Porter Airlines
Thu, 4 Jun - Mon, 8 Jun
YTZ
Toronto
IAD
Washington
HK$2,010 Return, found 3 days ago
HK$2,010
Return
found 3 days ago
Select Porter Airlines flight, departing Thu, 4 Jun from Toronto to Washington, returning Mon, 8 Jun, priced at HK$2,010 found 3 days ago
Air Canada
Fri, 18 Sept - Mon, 21 Sept
YYZ
Toronto
IAD
Washington
HK$2,029 Return, found 6 days ago
HK$2,029
Return
found 6 days ago
Select Air Canada flight, departing Fri, 18 Sept from Toronto to Washington, returning Mon, 21 Sept, priced at HK$2,029 found 6 days ago
United
Fri, 19 Jun - Sun, 21 Jun
YYZ
Toronto
IAD
Washington
HK$2,353 Return, found 10 hours ago
HK$2,353
Return
found 10 hours ago
Select United flight, departing Fri, 19 Jun from Toronto to Washington, returning Sun, 21 Jun, priced at HK$2,353 found 10 hours ago
Delta
Fri, 5 Jun - Sat, 6 Jun
YYZ
Toronto
IAD
Washington
HK$2,492 Return, found 11 hours ago
HK$2,492
Return
found 11 hours ago
Select Delta flight, departing Fri, 5 Jun from Toronto to Washington, returning Sat, 6 Jun, priced at HK$2,492 found 11 hours ago
Delta
Mon, 12 Oct - Thu, 15 Oct
YYZ
Toronto
BWI
Baltimore
HK$3,039 Return, found 4 days ago
HK$3,039
Return
found 4 days ago
Select Delta flight, departing Mon, 12 Oct from Toronto to Baltimore, returning Thu, 15 Oct, priced at HK$3,039 found 4 days ago
American Airlines
Fri, 5 Jun - Sat, 13 Jun
YYZ
Toronto
BWI
Baltimore
HK$5,601 Return, found 4 days ago
HK$5,601
Return
found 4 days ago
Select American Airlines flight, departing Fri, 5 Jun from Toronto to Baltimore, returning Sat, 13 Jun, priced at HK$5,601 found 4 days 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$8,217 Return, found 1 day ago
HK$8,217
Return
found 1 day ago
Select Delta flight, departing Wed, 7 Oct from Hong Kong SAR to Baltimore, returning Wed, 21 Oct, priced at HK$8,217 found 1 day ago
Qatar Airways
Fri, 26 Mar - Tue, 6 Apr
HKG
Hong Kong SAR
IAD
Washington
HK$8,270 Return, just found
HK$8,270
Return
just found
Select Qatar Airways flight, departing Fri, 26 Mar from Hong Kong SAR to Washington, returning Tue, 6 Apr, priced at HK$8,270 just found

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$1,779.
How much is a flight to Frederick County?
One-way flights departing from Toronto (YYZ) sold for as little as HK$1,178 in the last seven days. During this time, the cost of a return air ticket to Frederick County ranged between HK$1,779 and HK$8,270. 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$1,779 to HK$8,270.
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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