Cheap flights from Boston to Las Vegas
The cheapest round trip from Boston to Las Vegas that travelers found recently is $301 with a carry-on: a $301 fare on Southwest, which usually includes a carry-on. It leaves Fri, Dec 4 and comes back Mon, Dec 7.
Live prices for Fri, Dec 4 to Mon, Dec 7
Cheapest trips travelers found recently
| Leave | Return | Airline | Airports | Stops | Fare | Carry-on (est.) | Total | Live prices |
|---|---|---|---|---|---|---|---|---|
| Fri, Dec 4 | Mon, Dec 7 | Southwest | BOS → LAS | 1 stop | $301 | Included | $301 | Live price |
| Mon, Dec 21 | Thu, Dec 24 | Southwest | BOS → LAS | 1 stop | $310 | Included | $310 | Live price |
| Fri, Nov 27 | Tue, Dec 1 | Southwest | BOS → LAS | 1 stop | $318 | Included | $318 | Live price |
| Wed, Nov 4 | Fri, Nov 6 | Frontier | BOS → LAS | 1 stop | $270 | +$110 | $380 | Live price |
| Wed, Aug 25 | Tue, Aug 31 | American Airlines | BOS → LAS | 1 stop | $388 | Included | $388 | Live price |
| Fri, Nov 27 | Mon, Nov 30 | Southwest | BOS → LAS | 1 stop | $430 | Included | $430 | Live price |
| Fri, May 14 | Sun, May 16 | Southwest | BOS → LAS | Nonstop | $442 | Included | $442 | Live price |
| Sat, Nov 28 | Tue, Dec 1 | JetBlue | BOS → LAS | 2 stops | $462 | Included | $462 | Live price |
Round-trip prices per person, from real fares travelers found in the last few days. Carry-on fees are our estimate for each airline, both ways. Prices change fast: check the live price before you book.
Cheapest month to fly
| Month | Cheapest trip | From | Live prices |
|---|---|---|---|
| November 2026 | Fri, Nov 27 to Tue, Dec 1, 4 nights | $318 | Live price |
| December 2026 | Fri, Dec 4 to Mon, Dec 7, 3 nights | $301 | Live price |
| May 2027 | Fri, May 14 to Sun, May 16, 2 nights | $442 | Live price |
| August 2027 | Wed, Aug 25 to Tue, Aug 31, 6 nights | $388 | Live price |
Bag fees on this route
What the airlines flying Boston to Las Vegas usually charge for one bag each way. Budget airlines often sell the cheapest fares and charge the most for bags, so compare the total, not the fare.
| Airline | Carry-on, each way | Checked bag, each way |
|---|---|---|
| American Airlines | Included | $40 |
| Frontier | $55 | $50 |
| JetBlue | Included | $40 |
| Southwest | Included | $35 |
Our estimates: fees depend on the fare type and when you pay. Check the airline's own price when you book.
How these prices work
These are real round-trip fares that travelers found on Aviasales recently, not a live search, so they can change or sell out. Dipt adds an estimate of each airline's carry-on fee, so a cheap fare with expensive bags doesn't look cheaper than it is. "Live price" opens Dipt's live flight search for those dates, where you book with the airline or travel site you pick. Dipt may earn a commission when you book, at no extra cost to you (how Dipt makes money).
Not sure where to go? Tell Dipt your budget and vibe and it finds the trip.
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