A stone bridge over a canal with lily pads, brick buildings, and a clear blue sky.

Flight Destinations in Frederick County

View ฿6,000 flight on Mon, 14 Sept 2026Opens in a new window

Popular airlines to Frederick County

  • Frontier Airlines

  • Delta

  • American Airlines

  • United

  • Alaska Airlines

  • JetBlue Airways

  • Southwest Airlines

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Cheap round-trip flights to Frederick County

Prices were available within the past 7 days and start at ฿6,000 for one-way flights and ฿17,395 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 26 Jul - Sat, 1 Aug
PDX
Portland
BWI
Baltimore
฿17,395 Return, found 1 day ago
฿17,395
Return
found 1 day ago
Select Delta flight, departing Sun, 26 Jul from Portland to Baltimore, returning Sat, 1 Aug, priced at ฿17,395 found 1 day ago
Delta
Mon, 27 Jul - Sat, 1 Aug
PDX
Portland
IAD
Washington
฿18,440 Return, found 1 day ago
฿18,440
Return
found 1 day ago
Select Delta flight, departing Mon, 27 Jul from Portland to Washington, returning Sat, 1 Aug, priced at ฿18,440 found 1 day ago
American Airlines
Mon, 27 Jul - Sat, 1 Aug
PDX
Portland
IAD
Washington
฿19,375 Return, found 1 day ago
฿19,375
Return
found 1 day ago
Select American Airlines flight, departing Mon, 27 Jul from Portland to Washington, returning Sat, 1 Aug, priced at ฿19,375 found 1 day ago
United
Mon, 27 Jul - Sat, 1 Aug
PDX
Portland
IAD
Washington
฿20,750 Return, found 1 day ago
฿20,750
Return
found 1 day ago
Select United flight, departing Mon, 27 Jul from Portland to Washington, returning Sat, 1 Aug, priced at ฿20,750 found 1 day ago
Saudia
Mon, 26 Oct - Sat, 7 Nov
BKK
Bangkok
IAD
Washington
฿26,475 Return, found 4 days ago
฿26,475
Return
found 4 days ago
Select Saudia flight, departing Mon, 26 Oct from Bangkok to Washington, returning Sat, 7 Nov, priced at ฿26,475 found 4 days ago
Oman Air
Thu, 1 Oct - Wed, 14 Oct
HKT
Phuket
IAD
Washington
฿35,940 Return, found 13 hours ago
฿35,940
Return
found 13 hours ago
Select Oman Air flight, departing Thu, 1 Oct from Phuket to Washington, returning Wed, 14 Oct, priced at ฿35,940 found 13 hours ago
Oman Air
Sun, 15 Nov - Sat, 21 Nov
BKK
Bangkok
BWI
Baltimore
฿35,940 Return, found 21 hours ago
฿35,940
Return
found 21 hours ago
Select Oman Air flight, departing Sun, 15 Nov from Bangkok to Baltimore, returning Sat, 21 Nov, priced at ฿35,940 found 21 hours ago
Qatar Airways
Mon, 20 Jul - Mon, 5 Oct
BKK
Bangkok
IAD
Washington
฿38,600 Return, found 1 day ago
฿38,600
Return
found 1 day ago
Select Qatar Airways flight, departing Mon, 20 Jul from Bangkok to Washington, returning Mon, 5 Oct, priced at ฿38,600 found 1 day ago
All Nippon Airways
Thu, 23 Jul - Sat, 8 Aug
BKK
Bangkok
IAD
Washington
฿39,225 Return, just found
฿39,225
Return
just found
Select All Nippon Airways flight, departing Thu, 23 Jul from Bangkok to Washington, returning Sat, 8 Aug, priced at ฿39,225 just found
Austrian Airlines
Mon, 2 Nov - Sat, 21 Nov
BKK
Bangkok
IAD
Washington
฿39,710 Return, found 4 days ago
฿39,710
Return
found 4 days ago
Select Austrian Airlines flight, departing Mon, 2 Nov from Bangkok to Washington, returning Sat, 21 Nov, priced at ฿39,710 found 4 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.

Saudia
Mon, 26 Oct - Sat, 7 Nov
BKK
Bangkok
IAD
Washington
฿26,475 Return, found 4 days ago
฿26,475
Return
found 4 days ago
Select Saudia flight, departing Mon, 26 Oct from Bangkok to Washington, returning Sat, 7 Nov, priced at ฿26,475 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 ฿17,395.
How much is a flight to Frederick County?
One-way flights departing from Portland (PDX) sold for as little as ฿6,000 in the last seven days. During this time, the cost of a return air ticket to Frederick County ranged between ฿17,395 and ฿39,710. 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 ฿17,395 to ฿39,710.
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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