Las Vegas to Washington D.C. flight
Flights from Las Vegas to Washington D.C. start at £217.98.
Check dates and fares
Fares and seats move by the day. Price Las Vegas to Washington D.C. on the date you actually want, rather than on the date this page was built.
The Flights from Las Vegas to Washington D.C. starts at £217.98, run by 3 operators over 3,449 km. Fares bottom out about 90 days before departure.
- 8h 1mDoor to door
- 4h 51mMoving
- £257.41 to £535.92From
- 1010.6 kgCO2
8h 1m
4h 51m
£257.41 to £535.92
1010.6 kg£257.41 to £535.92 for one passenger across the 14 departure dates priced here. The low end is one day, not every day. Typical for this corridor. The operator sets the price on the day.
Kiwi.com sells the ticket itself, so you pay there rather than being handed on again.
Continue on Kiwi.comFares by date
What this journey usually costs, by departure date. It shows which days run dearer.
Typical fares
- about £480.32Wed7
- about £535.92Thu8
- about £484.87Fri9
- about £407.53Sat10
- about £389.34Sun11
- about £370.13Mon12
- about £331.72Tue13
- about £277.12Wed14
- about £361.03Thu15
- about £323.63Fri16
- about £334.24Sat17
- about £298.85Sun18
- about £271.56Mon19
- about £257.41Tue20
Based on what this route has cost recently. The live fare is confirmed when you book.
Airlines
| Operator | From |
|---|---|
 American Airlines | £217.98 |
| United Airlines | £243.76 |
 Southwest Airlines | £230.11 |
The flight gets you into Washington D.C.. These two partners take it from there, and the bed is theirs to book.
A room in Washington D.C. for the night the flight gets in
Sort by distance from Washington Union Station and you can see which places are ten minutes on foot and which are not.
Search Washington D.C. on Booking.comOr compare on Expedia
Partner links. We earn a commission when a booking completes, and it never changes what you pay.
When to book Las Vegas to Washington D.C.
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- £184.6290 days
- £270.5560 days
- £212.9245 days
- £244.2630 days
- £236.6821 days
- £257.4114 days
- £331.727 days
- £484.873 days
- £480.321 days
- Cheapest lead time
- Fares bottom out around 90 days ahead, at £184.62.
- How much it moves
- The gap between the cheapest and dearest lead time is 163 percent. The dearest point is £484.87, 3 days out.
- What that means
- Today sits inside the cheap window, which closes about 90 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
- £298.85Sun
- £271.56Mon
- £257.41Tue
- £277.12Wed
- £361.03Thu
- £323.63Fri
- £334.24Sat
Where you leave from and where you arrive
Las Vegas
Air- LAS
Washington
- IAD
- DCA
What the journey looks like
- Direct or connecting
- 86% of the services we sell on this corridor run through without a change. The remaining 14% involve one connection.
- How far it really runs
- The route covers 3,449 km against 3,349 km in a straight line, a detour of 3 percent. Track and road geometry account for the difference.
- Where the change is
- Connections are made at Baltimore, Nashville. The gap between arriving and leaving is 50 minutes, of which about 14 is walking.
- If the connection is missed
- The tightest connection we sell here has a 19 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.
Questions about Las Vegas to Washington D.C.
The questions people actually ask about this journey, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does the Flight from Las Vegas to Washington D.C. take?
The Flight from Las Vegas to Washington D.C. covers 3,449 km. Each operator's own departure and arrival times for the date you pick are in the search at the top of this page, beside the total price.
How much does the Flight from Las Vegas to Washington D.C. cost?
The Flight from Las Vegas to Washington D.C. starts at £217.98 for one passenger, as of 6 October 2026. A typical fare is £263.47. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Flight from Las Vegas to Washington D.C.?
3 operators run the Flight from Las Vegas to Washington D.C.: American Airlines, United Airlines, Southwest Airlines. The operator table on this page sets out fare, journey time, cruising speed, fare conditions and what is provided on board.
Which terminal does the Flight from Las Vegas to Washington D.C. use?
The Flight from Las Vegas to Washington D.C. leaves from Harry Reid International Airport LAS and arrives at Washington Dulles International Airport IAD. Allow about 3h 10m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.
When should I book the Flight from Las Vegas to Washington D.C.?
Fares for the Flight from Las Vegas to Washington D.C. bottom out around 90 days ahead, at £184.62. The gap between the cheapest and dearest lead time across the window is 163 percent, measured on 6 October 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Flight from Las Vegas to Washington D.C. produce?
The Flight from Las Vegas to Washington D.C. produces about 1010.6 kg of CO2 per passenger over 3449 km, which works out at roughly 293 grams per passenger kilometre. That figure is for the whole journey and for one traveller, not for the vehicle.
Where these numbers come from
Places, coordinates, operators, which operator serves which pair, and every distance on this page are real and come from open data. Where a corridor has a filed timetable the departure times are real too, and ferry fares are the prices the operators publish themselves.
Observed service A carrier record names this operator on this pair, carried through unchanged.
Prices come from the supplier wherever we hold a live quote. Elsewhere we show an indicative price built from the real distance, the real operator and a fare curve over lead time, day of the week and season. Those are labelled Estimated fare and cannot be booked.
Defined in full at Door to door, Fares, The booking window, Carbon