Cheap flights from Las Vegas to Boston
The cheapest round trip from Las Vegas to Boston that travelers found recently is $321 with a carry-on: a $321 fare on Southwest, which usually includes a carry-on. It leaves Tue, Dec 1 and comes back Fri, Dec 4.
Live prices for Tue, Dec 1 to Fri, Dec 4
Cheapest trips travelers found recently
| Leave | Return | Airline | Airports | Stops | Fare | Carry-on (est.) | Total | Live prices |
|---|---|---|---|---|---|---|---|---|
| Tue, Dec 1 | Fri, Dec 4 | Southwest | LAS → BOS | 1 stop | $321 | Included | $321 | Live price |
| Sun, Nov 1 | Wed, Nov 4 | JetBlue | LAS → BOS | 1 stop | $367 | Included | $367 | Live price |
| Fri, Jan 1 | Mon, Jan 4 | Southwest | LAS → BOS | 1 stop | $370 | Included | $370 | Live price |
| Sat, Oct 17 | Sat, Oct 24 | Frontier | LAS → BOS | 1 stop | $473 | +$110 | $583 | 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 |
|---|---|---|---|
| October 2026 | Sat, Oct 17 to Sat, Oct 24, 7 nights | $583 | Live price |
| November 2026 | Sun, Nov 1 to Wed, Nov 4, 3 nights | $367 | Live price |
| December 2026 | Tue, Dec 1 to Fri, Dec 4, 3 nights | $321 | Live price |
| January 2027 | Fri, Jan 1 to Mon, Jan 4, 3 nights | $370 | Live price |
Bag fees on this route
What the airlines flying Las Vegas to Boston 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 |
|---|---|---|
| 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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