Las Vegas to Washington Reagan (LAS → DCA). We are tracking 19 fares on this route.
Cheapest tracked fare $123 · typical price $265 · you save about $142 (54%)
Cheapest fares we're tracking
Airline
Departs
Stops
Price
Frontier Airlines
2026-10-01
2 stops
$123
United Airlines
2026-10-06
Direct
$129
Southwest Airlines
2026-10-02
Direct
$131
United Airlines
2026-09-18
1 stop
$134
United Airlines
2026-09-24
1 stop
$134
United Airlines
2026-09-25
1 stop
$134
United Airlines
2026-10-07
1 stop
$134
Frontier Airlines
2026-09-22
1 stop
$145
Frontier Airlines
2026-10-24
1 stop
$152
Frontier Airlines
2026-09-21
1 stop
$155
Frontier Airlines
2026-09-15
1 stop
$187
Frontier Airlines
2026-09-16
1 stop
$187
Frontier Airlines
2026-09-12
1 stop
$195
Frontier Airlines
2026-09-07
2 stops
$196
Frontier Airlines
2026-09-11
1 stop
$205
Frontier Airlines
2026-09-14
1 stop
$211
Southwest Airlines
2026-09-10
1 stop
$212
American Airlines
2026-09-04
Direct
$214
Frontier Airlines
2026-09-06
1 stop
$221
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 Las Vegas to Washington Reagan get?
The cheapest fare we have tracked on this route is $123, compared with a typical $265 for a trip of this distance.
Is it cheaper to fly to Washington Reagan 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 Las Vegas to Washington Reagan 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.