Detour Flights

Cheap flights to Washington Dulles

We are tracking 106 fares into Washington Dulles (IAD) from 30 departure airports.

Cheapest tracked fare $42  ·  about $102 below the typical price for that distance

Cheapest fares we're tracking

FromDepartsStopsPrice
Orlando (MCO)2026-10-31Direct$42
Orlando (MCO)2026-10-15Direct$43
Atlanta (ATL)2026-10-10Direct$58
Cleveland (CLE)2026-10-061 stop$64
Orlando (MCO)2026-09-241 stop$69
Fort Lauderdale (FLL)2026-09-25Direct$72
Dallas-Fort Worth (DFW)2026-09-25Direct$74
Dallas-Fort Worth (DFW)2026-09-30Direct$74
Dallas-Fort Worth (DFW)2026-10-28Direct$74
Fort Lauderdale (FLL)2026-09-10Direct$78
Chicago O'Hare (ORD)2026-09-151 stop$79
Chicago O'Hare (ORD)2026-09-221 stop$79
Boston (BOS)2026-09-09Direct$79
Las Vegas (LAS)2026-09-18Direct$81
Las Vegas (LAS)2026-09-24Direct$81
Las Vegas (LAS)2026-09-25Direct$81
Chicago O'Hare (ORD)2026-10-071 stop$81
Las Vegas (LAS)2026-10-02Direct$83
Chicago O'Hare (ORD)2026-09-241 stop$83
Chicago O'Hare (ORD)2026-10-081 stop$83

Popular departure airports

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Compare every airport, not just this one

Pin one end of your trip and let a whole region compete for the other. The cheapest airport is often not the one you were going to use.

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Common questions

Which airports have cheap flights to Washington Dulles?
We are currently tracking 106 fares into Washington Dulles from 30 departure airports, listed cheapest first above.
Is Washington Dulles the cheapest airport for this trip?
Not always. Cached fare feeds cover big hubs densely and secondary airports sparsely, so a cheaper nearby airport is often simply missing from a normal search rather than more expensive. Our reverse search prices a whole region's airports against each other to surface it.