Flight Destinations in Frederick County

View ฿5,540 flight on Tue, 17 Mar 2026Opens in a new window

Popular airlines to Frederick County

  • Frontier Airlines

  • American Airlines

  • Delta

  • Spirit Airlines

  • Southwest Airlines

  • United

  • Alaska Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Frederick County

Prices were available within the past 7 days and start at ฿5,540 for one-way flights and ฿8,115 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 22 Apr - Tue, 5 May
LAX
Los Angeles
IAD
Washington
฿8,115 Return, found 1 day ago
฿8,115
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 22 Apr from Los Angeles to Washington, returning Tue, 5 May, priced at ฿8,115 found 1 day ago
United
Fri, 10 Apr - Tue, 14 Apr
LAX
Los Angeles
IAD
Washington
฿10,635 Return, found 1 day ago
฿10,635
Return
found 1 day ago
Select United flight, departing Fri, 10 Apr from Los Angeles to Washington, returning Tue, 14 Apr, priced at ฿10,635 found 1 day ago
American Airlines
Tue, 7 Apr - Tue, 14 Apr
LAX
Los Angeles
IAD
Washington
฿10,635 Return, found 1 day ago
฿10,635
Return
found 1 day ago
Select American Airlines flight, departing Tue, 7 Apr from Los Angeles to Washington, returning Tue, 14 Apr, priced at ฿10,635 found 1 day ago
Delta
Tue, 24 Mar - Wed, 8 Apr
LAX
Los Angeles
IAD
Washington
฿11,460 Return, found 3 days ago
฿11,460
Return
found 3 days ago
Select Delta flight, departing Tue, 24 Mar from Los Angeles to Washington, returning Wed, 8 Apr, priced at ฿11,460 found 3 days ago
Delta
Wed, 15 Apr - Thu, 23 Apr
LAX
Los Angeles
BWI
Baltimore
฿12,715 Return, found 2 days ago
฿12,715
Return
found 2 days ago
Select Delta flight, departing Wed, 15 Apr from Los Angeles to Baltimore, returning Thu, 23 Apr, priced at ฿12,715 found 2 days ago
Saudia
Tue, 28 Apr - Sat, 2 May
BKK
Bangkok
IAD
Washington
฿28,070 Return, found 14 hours ago
฿28,070
Return
found 14 hours ago
Select Saudia flight, departing Tue, 28 Apr from Bangkok to Washington, returning Sat, 2 May, priced at ฿28,070 found 14 hours ago
EVA Airways
Thu, 30 Apr - Mon, 4 May
BKK
Bangkok
BWI
Baltimore
฿32,985 Return, found 1 day ago
฿32,985
Return
found 1 day ago
Select EVA Airways flight, departing Thu, 30 Apr from Bangkok to Baltimore, returning Mon, 4 May, priced at ฿32,985 found 1 day ago
Air Canada
Thu, 7 May - Mon, 7 Sept
BKK
Bangkok
IAD
Washington
฿35,850 Return, found 2 days ago
฿35,850
Return
found 2 days ago
Select Air Canada flight, departing Thu, 7 May from Bangkok to Washington, returning Mon, 7 Sept, priced at ฿35,850 found 2 days ago
STARLUX Airlines
Mon, 27 Apr - Mon, 4 May
BKK
Bangkok
IAD
Washington
฿35,935 Return, found 1 day ago
฿35,935
Return
found 1 day ago
Select STARLUX Airlines flight, departing Mon, 27 Apr from Bangkok to Washington, returning Mon, 4 May, priced at ฿35,935 found 1 day ago
Ethiopian Airlines
Wed, 25 Mar - Wed, 22 Apr
BKK
Bangkok
IAD
Washington
฿36,585 Return, found 2 days ago
฿36,585
Return
found 2 days ago
Select Ethiopian Airlines flight, departing Wed, 25 Mar from Bangkok to Washington, returning Wed, 22 Apr, priced at ฿36,585 found 2 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 ฿8,115.
How much is a flight to Frederick County?
One-way flights departing from Los Angeles (LAX) sold for as little as ฿5,540 in the last seven days. During this time, the cost of a return air ticket to Frederick County ranged between ฿8,115 and ฿36,585. 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 ฿8,115 to ฿36,585.
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.

Saudia
Tue, 28 Apr - Sat, 2 May
BKK
Bangkok
IAD
Washington
฿28,070 Return, found 14 hours ago
฿28,070
Return
found 14 hours ago
Select Saudia flight, departing Tue, 28 Apr from Bangkok to Washington, returning Sat, 2 May, priced at ฿28,070 found 14 hours ago
*Available to Expedia members.