Washington Dulles to Prague (IAD → PRG). We are tracking 11 fares on this route.
Cheapest tracked fare $302 · typical price $595 · you save about $293 (49%)
Cheapest fares we're tracking
Airline
Departs
Stops
Price
Icelandair
2026-10-11
2 stops
$302
Icelandair
2026-10-14
2 stops
$302
Icelandair
2026-10-12
2 stops
$302
Icelandair
2026-10-16
2 stops
$319
Icelandair
2026-09-20
2 stops
$345
Icelandair
2026-10-03
2 stops
$345
Porter Airlines
2026-10-10
2 stops
$351
Icelandair
2026-09-14
2 stops
$354
Icelandair
2026-09-08
3 stops
$364
Frontier Airlines
2026-10-01
3 stops
$382
TAP Portugal
2026-10-07
1 stop
$401
Could you save more?
The airport you were going to fly from is often not the cheapest one. Compare every airport in a region against each other, or check whether a multi-day stopover beats the direct fare.
How cheap can flights from Washington Dulles to Prague get?
The cheapest fare we have tracked on this route is $302, compared with a typical $595 for a trip of this distance.
Is it cheaper to fly to Prague from a different airport?
Often, yes. Fares out of secondary airports are frequently cheaper than the obvious hub, but they are the ones most likely to be missing from a normal search. Our reverse search compares every airport in a region against each other so the cheaper departure point is not hidden.
Could a stopover make Washington Dulles to Prague cheaper?
Sometimes. On thin long-haul routes a two-leg trip with a multi-day stopover can beat the direct fare, and occasionally a direct fare is not sold at all. Our detour search prices those routings against the direct flight.