Cheap flights to Prince William County

View €225 flight on Fri, 8 May 2026Opens in a new window

Popular airlines to Prince William County

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Cheap round-trip flights to Prince William County

Prices were available within the past 7 days and start at €225 for one-way flights and €385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Wed, 11 Feb - Sat, 14 Feb
DUB
Dublin
IAD
Washington
€385 Return, found 3 hours ago
€385
Return
found 3 hours ago
Select Icelandair flight, departing Wed, 11 Feb from Dublin to Washington, returning Sat, 14 Feb, priced at €385 found 3 hours ago
Scandinavian Airlines
Sat, 18 Apr - Fri, 24 Apr
DUB
Dublin
IAD
Washington
€392 Return, found 2 days ago
€392
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, 18 Apr from Dublin to Washington, returning Fri, 24 Apr, priced at €392 found 2 days ago
TAP Portugal
Mon, 2 Feb - Sat, 7 Feb
DUB
Dublin
IAD
Washington
€399 Return, found 5 days ago
€399
Return
found 5 days ago
Select TAP Portugal flight, departing Mon, 2 Feb from Dublin to Washington, returning Sat, 7 Feb, priced at €399 found 5 days ago
JetBlue Airways
Tue, 5 May - Sun, 10 May
DUB
Dublin
DCA
Washington
€404 Return, found 19 hours ago
€404
Return
found 19 hours ago
Select JetBlue Airways flight, departing Tue, 5 May from Dublin to Washington, returning Sun, 10 May, priced at €404 found 19 hours ago
KLM
Sat, 7 Feb - Mon, 23 Feb
DUB
Dublin
IAD
Washington
€425 Return, found 2 days ago
€425
Return
found 2 days ago
Select KLM flight, departing Sat, 7 Feb from Dublin to Washington, returning Mon, 23 Feb, priced at €425 found 2 days ago
Air France
Sat, 7 Feb - Mon, 23 Feb
DUB
Dublin
IAD
Washington
€427 Return, found 2 days ago
€427
Return
found 2 days ago
Select Air France flight, departing Sat, 7 Feb from Dublin to Washington, returning Mon, 23 Feb, priced at €427 found 2 days ago
Icelandair
Mon, 23 Feb - Sat, 28 Feb
LHR
London
IAD
Washington
€435 Return, found 5 days ago
€435
Return
found 5 days ago
Select Icelandair flight, departing Mon, 23 Feb from London to Washington, returning Sat, 28 Feb, priced at €435 found 5 days ago
American Airlines
Fri, 6 Feb - Sat, 14 Feb
DUB
Dublin
DCA
Washington
€440 Return, found 1 day ago
€440
Return
found 1 day ago
Select American Airlines flight, departing Fri, 6 Feb from Dublin to Washington, returning Sat, 14 Feb, priced at €440 found 1 day ago
British Airways
Wed, 25 Feb - Sun, 1 Mar
DUB
Dublin
IAD
Washington
€444 Return, found 3 days ago
€444
Return
found 3 days ago
Select British Airways flight, departing Wed, 25 Feb from Dublin to Washington, returning Sun, 1 Mar, priced at €444 found 3 days ago
Aer Lingus
Wed, 11 Feb - Sun, 15 Feb
DUB
Dublin
IAD
Washington
€457 Return, found 3 hours ago
€457
Return
found 3 hours ago
Select Aer Lingus flight, departing Wed, 11 Feb from Dublin to Washington, returning Sun, 15 Feb, priced at €457 found 3 hours ago

About Prince William County

Expedia offers flights to Prince William County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Prince William 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 Prince William County that have flexible change policies?
At Expedia, we've been channeling our inner acrobat to deliver you the most flexible airfares in town. Just check the "No change fee" box right underneath the "Flexible change policies" subheading to find your perfect flight to Prince William County.
Which airlines fly to Prince William County?
Book a ticket with any of the following airlines and get set for new adventures in Prince William County:

  • American Airlines - 7,501 flights to or near Prince William 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 Prince William 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 Prince William 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 Prince William County?
You'll always pick up a fabulous deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred flight date, then click on the flexible dates link above to compare prices for nearby days. €385 was the best price for a flight to Prince William County in the last seven days.
How much is a flight to Prince William County?
There were plenty of cheap fares up for grabs in the last seven days, with the cost of a round-trip flight to Prince William County varying between €385 and €457. Many lucky travellers purchased one-way flights from Dublin (DUB) for as little as €225.
What are the most popular airports to fly into in Prince William County?
Get ready to pack your bags and coast into one of these well-known Prince William County airports:

  • 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 Prince William County?
Airfares ranged from just €385 to €457 in the last seven days. When you're ready to book, we're ready to help you land a fabulous deal to Prince William County.
What is the best time to go to Prince William County?
May, July and August are the most popular months to plan a getaway to Manassas, one of Prince William County's most interesting cities. Summertime here begins June 20. Temperatures vary from 18ºC to 32ºC at this time of year, so plan your trip around then if warmer weather is your preference.
What months are the cheapest to book a flight to Prince William County?
A great month to purchase budget flights to Prince William County is February. It's worth noting that in the U.S, an expensive time to book a ticket is the festive month of December.

Trending flights to Prince William 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.

Icelandair
Wed, 11 Feb - Sat, 14 Feb
DUB
Dublin
IAD
Washington
€385 Return, found 3 hours ago
€385
Return
found 3 hours ago
Select Icelandair flight, departing Wed, 11 Feb from Dublin to Washington, returning Sat, 14 Feb, priced at €385 found 3 hours ago
*Available to Expedia members.