Flights Dulles → Las Vegas
As of August 2026, economy flights from Dulles to Las Vegas have a typical range USD 205–374, median USD 267. Full range across all 138 offers: USD 123–448. We found 54% of 138 offers from budget carriers (around USD 259) and 46% from full-service carriers (around USD 267).
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Dulles → Las Vegas
Based on 138 offers · August 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Dulles → Las Vegas
Add-on pricing from the cheapest available offer per airline · August 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier Airlines | — | — | — |
| United Airlines | — | USD 80 | — |
| AS | — | USD 35 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Dulles to Las Vegas cost?
Based on 138 offers · August 2026
Dulles to Las Vegas flights ranged from USD 123 to USD 448 across 138 offers analyzed in August 2026. Two fare clusters detected: budget fares around 269 and premium fares around 334 The chart below shows how prices distributed across all 138 offers.
These 138 offers (August 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 229 and USD 297
What hidden fees do Dulles to Las Vegas flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Dulles to Las Vegas routes. The breakdown below is based on 138 offers analyzed in August 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 89 | 32% |
| UA | 72 | 26% |
| AS | 45 | 13% |
Frontier Airlines: base ~USD 133 + fees USD 89 = ~USD 222 total. Alaska Airlines: base ~USD 290 + fees USD 45 = ~USD 335 total.
Frontier Airlines's USD 89 ancillary fees narrow the gap with Alaska Airlines's lower-fee model — the USD 157 base difference shrinks to USD 113 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Dulles to Las Vegas?
7 airlines flew Dulles to Las Vegas in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (Frontier Airlines), fares ranged USD 182–349 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Frontier Airlines | 28 | 182–349 | 222 | 89 (40%) |
 United Airlines | 47 | 219–342 | 259 | 72 (28%) |
 Delta Air Lines | 43 | 206–267 | 267 | n/a |
 Alaska Airlines | 2 | 310–360 | 335 | 45 (13%) |
 American | 7 | — | 374 | n/a |
 United | 10 | 259–440 | 391 | n/a |
 Alaska | 1 | — | 409 | n/a |
Where do the best Dulles → Las Vegas prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Dulles to Las Vegas flights
- Full-service carriers on Dulles–Las Vegas cost 1.5x more than budget airlines (USD 339 vs USD 222 median; overall median USD 267).
- F9 charges 2.0x more in ancillary fees than AS — USD 89 vs USD 45 avg per booking.
- The same route priced USD 118 apart depending on where it was booked — the lowest median was USD 221. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Dulles to Las Vegas cost?
- Based on 138 offers analyzed, Dulles to Las Vegas flights range from USD 123 to USD 448, with a median price of USD 267. Search for your specific dates →
- What hidden fees should I expect on Dulles to Las Vegas flights?
- On average, ancillary fees (bags, seat selection) add USD 76 to the base fare on Dulles to Las Vegas flights. See itemized fees for your itinerary →
- Which airline is cheapest on Dulles to Las Vegas including all fees?
- Frontier Airlines has the lowest median fare on Dulles to Las Vegas at USD 222 (median across 28 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Dulles–Las Vegas flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 221. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Dulles to Las Vegas routes?
- Dulles to Las Vegas has 7 airlines competing, creating a price range from USD 123 to USD 448 across 138 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
7 airlines, two price clusters — find which fits your budget
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