Flight to Frederick County

View S$139 flight on Sun, 28 Jun, 2026Opens in a new window

Popular airlines to Frederick County

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Spirit Airlines

    Spirit Airlines

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • United

    United

  • Alaska 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 S$139 for one-way flights and S$395 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 16 Jan - Mon, 19 Jan
BOS
Boston
IAD
Washington
S$395 Return, found 1 day ago
S$395
Return
found 1 day ago
Select Delta flight, departing Fri, 16 Jan from Boston to Washington, returning Mon, 19 Jan, priced at S$395 found 1 day ago
United
Fri, 16 Jan - Mon, 19 Jan
BOS
Boston
IAD
Washington
S$421 Return, found 1 day ago
S$421
Return
found 1 day ago
Select United flight, departing Fri, 16 Jan from Boston to Washington, returning Mon, 19 Jan, priced at S$421 found 1 day ago
Delta
Fri, 16 Jan - Mon, 19 Jan
BOS
Boston
BWI
Baltimore
S$643 Return, found 1 day ago
S$643
Return
found 1 day ago
Select Delta flight, departing Fri, 16 Jan from Boston to Baltimore, returning Mon, 19 Jan, priced at S$643 found 1 day ago
Air China
Thu, 26 Mar - Fri, 10 Apr
SIN
Singapore
IAD
Washington
S$1,131 Return, found 6 days ago
S$1,131
Return
found 6 days ago
Select Air China flight, departing Thu, 26 Mar from Singapore to Washington, returning Fri, 10 Apr, priced at S$1,131 found 6 days ago
Air Canada
Thu, 12 Feb - Wed, 18 Feb
SIN
Singapore
BWI
Baltimore
S$1,222 Return, found 5 days ago
S$1,222
Return
found 5 days ago
Select Air Canada flight, departing Thu, 12 Feb from Singapore to Baltimore, returning Wed, 18 Feb, priced at S$1,222 found 5 days ago
Air Canada
Tue, 20 Jan - Tue, 27 Jan
SIN
Singapore
IAD
Washington
S$1,231 Return, found 4 days ago
S$1,231
Return
found 4 days ago
Select Air Canada flight, departing Tue, 20 Jan from Singapore to Washington, returning Tue, 27 Jan, priced at S$1,231 found 4 days ago
Turkish Airlines
Sun, 1 Mar - Tue, 10 Mar
SIN
Singapore
IAD
Washington
S$1,377 Return, found 2 days ago
S$1,377
Return
found 2 days ago
Select Turkish Airlines flight, departing Sun, 1 Mar from Singapore to Washington, returning Tue, 10 Mar, priced at S$1,377 found 2 days ago
STARLUX Airlines
Fri, 16 Oct - Sun, 25 Oct
SIN
Singapore
IAD
Washington
S$1,406 Return, found 4 days ago
S$1,406
Return
found 4 days ago
Select STARLUX Airlines flight, departing Fri, 16 Oct from Singapore to Washington, returning Sun, 25 Oct, priced at S$1,406 found 4 days ago
Air China
Mon, 2 Feb - Sun, 15 Feb
HAN
Hanoi
IAD
Washington
S$1,484 Return, found 3 days ago
S$1,484
Return
found 3 days ago
Select Air China flight, departing Mon, 2 Feb from Hanoi to Washington, returning Sun, 15 Feb, priced at S$1,484 found 3 days ago
Korean Air
Mon, 2 Feb - Sun, 15 Feb
HAN
Hanoi
IAD
Washington
S$1,505 Return, found 3 days ago
S$1,505
Return
found 3 days ago
Select Korean Air flight, departing Mon, 2 Feb from Hanoi to Washington, returning Sun, 15 Feb, priced at S$1,505 found 3 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
Thu, 26 Mar - Fri, 10 Apr
SIN
Singapore
IAD
Washington
S$1,131 Return, found 6 days ago
S$1,131
Return
found 6 days ago
Select Air China flight, departing Thu, 26 Mar from Singapore to Washington, returning Fri, 10 Apr, priced at S$1,131 found 6 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 S$395.
How much is a flight to Frederick County?
One-way flights departing from Boston (BOS) sold for as little as S$139 in the last seven days. During this time, the cost of a return air ticket to Frederick County ranged between S$395 and S$1,505. 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 S$395 to S$1,505.
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

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.

Travel information

Frederick County Flights Information

Airlines serving
Delta, United, American Airlines, Air China, China Airlines, STARLUX Airlines, Turkish Airlines, Air Canada, Korean Air
Roundtrip price
from S$395
Frederick County Flights Information

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