Cheap Flights To Washington DC (IAD, DCA, BWI)

Finding Cheap Flights To Washington D.C.

The Washington D.C. metropolitan area is served by three major airports, each with distinct advantages for arrivals: Washington Dulles International Airport (IAD), Ronald Reagan Washington National Airport (DCA), and Baltimore/Washington International Thurgood Marshall Airport (BWI). This multi-airport system provides arriving travelers with extensive options and competitive fares for both domestic and international travel into the D.C. region.

Each airport serves different primary inbound markets. DCA is ideal for convenient, short-haul domestic arrivals from within the U.S., with a perimeter rule limiting nonstop distance into the airport. IAD is the region’s major international gateway, offering the widest array of nonstop long-haul and domestic flights into the D.C. area. BWI, located further north, is a major hub for Southwest Airlines and other low-cost carriers, frequently offering the lowest base fares for domestic and select international arrivals into the broader region.

The airline landscape varies significantly by airport for inbound travel. DCA is dominated by American Airlines and Delta flying into Washington. IAD is a major hub for United Airlines and also hosts numerous international carriers arriving into the region. BWI is dominated by Southwest Airlines, with strong presences from Spirit and other low-cost carriers serving the airport. This creates a highly competitive regional market for flights into the D.C. area.

To find cheap flights to Washington D.C., always compare fares into IAD, DCA, and BWI from your origin. For domestic arrivals into the region, BWI often has the lowest fares, but always factor in the cost and time of ground transportation to your final destination in D.C. For international arrivals, start your search at IAD. Book domestic inbound flights 3–5 weeks in advance and international trips 2–4 months ahead for arrivals into the D.C. area. Be flexible with your dates and arrival airport to capture the best deals, and consider flying mid-week for the lowest prices into Washington D.C.

Flight deals from Washington DC to Portland, Oregon | Secret Flying

June 19, 2026

Cheap Flights To Washington D.C.

Finding Cheap Flights To Washington D.C.

Non-stop from Washington DC to Portland, Oregon (& vice versa) for only $196 roundtrip

SUMMER & XMAS: Non-stop from Washington DC to Los Angeles (& vice versa) for only $227 roundtrip

SUMMER: Non-stop from Washington DC to Charleston, South Carolina (& vice versa) for only $133 roundtrip

SUMMER: Non-stop from Boston to Washington DC (& vice versa) for only $106 roundtrip

Madrid, Spain to Washington DC, USA for only €389 roundtrip

SUMMER: Non-stop from Washington DC to Las Vegas (& vice versa) for only $179 roundtrip

NEW YEAR: London, UK to Washington DC, USA for only £385 roundtrip

Cancun, Mexico to Washington DC, USA for only $273 USD roundtrip