Find the Cheapest Flights from Washington Dulles International Airport to United States

Unlock the cheapest flights and the best airfares from Washington Dulles International Airport to United States. Make your dream trip both memorable and affordable!

Fri, Jun 12WAS-TYS
Allegiant Air

oneway$42

Tue, Jun 16WAS-FLL
Frontier Airlines

oneway$50

Wed, Jul 1WAS-PIT
Executive Express Aviation LLC dbaSouthern Airways

oneway$63

Sun, Jul 12WAS-ORL
Frontier Airlines

oneway$74

Tue, Aug 18WAS-BOS
United Airlines

oneway$79

Mon, Jun 29WAS-ATL
Frontier Airlines

oneway$85

Mon, Jun 8WAS-JAX
Allegiant Air

oneway$85

Tue, Aug 18WAS-SFO
Frontier Airlines

oneway$86

Wed, Jul 1WAS-HOU
Frontier Airlines

oneway$86

Tue, Jul 14WAS-NYC
United Airlines

oneway$86

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Washington Dulles International Airport to United States: Flight information

Cheapest flight found$42

Cheapest month to flyJune

Most popular airlineAllegiant Air

Average flight duration1h 34m

Cheapest flight found

Jun 2026

$85

Jul 2026

$98

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