Cheap flights from Las Vegas to Boston from $148 LAS → BOS
McCarran International Airport (LAS) → Logan International Airport (BOS)
The cheapest return found recently is $427 with jetBlue, 23 Dec – 30 Dec, found yesterday. The cheapest one-way found recently is $148 with Frontier Airlines, 24 Dec, found yesterday.
- Cheapest one-way found recently
- $148, found yesterday
- Cheapest return found recently
- $427, 23 Dec to 30 Dec
- Usual return price
- $381 to $438
- Cheapest month to fly
- December 2026, return fares from $334 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $381 to $438.
Cheapest return found recently
$427
23 Dec – 30 Dec · jetBlue
McCarran International Airport (LAS) → Logan International Airport (BOS)
Leaves 10:02 p.m. · Return leaves 9:25 p.m. · 23 h 13 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
$334
28 Dec – 4 Jan 2027 · jetBlue
McCarran International Airport (LAS) → Logan International Airport (BOS)
Leaves 11:59 p.m. · Return leaves 7:40 p.m. · 11 h 2 min of travel, both ways together
out nonstop, back nonstop
found 3 days ago
Found recently, and the cheapest we hold
$427 23 Dec – 30 Decfound yesterdaySee prices for these dates
$334 28 Dec – 4 Jan 2027found 3 days agoSee prices for these dates
What have prices looked like?
Over 29 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $295 to $473.
29 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 23 Dec to 13 Apr 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 7-night return fares leaving within 3 days of 23 Dec to compare.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Dec – 30 Dec | $427 | jetBlue | McCarran International Airport (LAS) → Logan International Airport (BOS) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 28 Dec – 4 Jan 2027 | $334 | jetBlue | McCarran International Airport (LAS) → Logan International Airport (BOS) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 13 Apr 2027 – 21 Apr 2027 | $449 | American Airlines | McCarran International Airport (LAS) → Logan International Airport (BOS) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $334.
Airlines on the cheapest dates: jetBlue, American Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$148
24 Dec · Frontier Airlines
McCarran International Airport (LAS) → Logan International Airport (BOS)
Leaves 11:07 a.m. · 14 h 57 min trip
1 stop
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$148 24 Decfound yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 42 days, 2 Oct to 12 Nov, the cheapest one-way we saw each day was $111 to $209.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
No. We hold one-way fares on 1 other departure date within 3 days of 24 Dec, and it is not cheaper.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Dec | $163 | Alaska Airlines | McCarran International Airport (LAS) → Logan International Airport (BOS) | 1 stop | found 2 days ago | Open this trip |
| 24 Dec | $148 | Frontier Airlines | McCarran International Airport (LAS) → Logan International Airport (BOS) | 1 stop | found yesterday | Open this trip |
Airlines on the cheapest dates: Alaska Airlines, Frontier Airlines.
Premium cabin fares from Las Vegas to Boston
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 23 Dec – 30 Dec in another cabin: Premium economy · Business · First
Today's prices for 24 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Las Vegas to Boston?
Return
Fares 30 to 59 days before departure were typically 58% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (29 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $767 | $473 | +135% | 11 |
| 30–59 days | $326 | $295 | Cheapest seen | 25 |
| 60–89 days | $370 | $370 | +14% | 8 |
One-way
The cheapest fares were 30 to 59 days before departure.
From the cheapest one-way each day between 2 Oct and 12 Nov (42 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $140 | $111 | Cheapest seen | 26 |
| 60–89 days | $145 | $124 | +4% | 14 |
| 90–179 days | $159 | $159 | +14% | 8 |
| 180+ days | $235 | $209 | +68% | 17 |
Live price for these dates
The cheapest return found recently is for 23 Dec – 30 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Las Vegas to Boston?
The cheapest return found recently is $427 with jetBlue, 23 Dec to 30 Dec, found yesterday. The cheapest return we hold, of any age, is $334 with jetBlue, 28 Dec to 4 Jan 2027, found 3 days ago. The cheapest return fare on each of 3 departure dates is usually $381 to $438.
How much is a one-way flight from Las Vegas to Boston?
The cheapest one-way found recently is $148 with Frontier Airlines, 24 Dec, found yesterday.
What is the cheapest month to fly from Las Vegas to Boston?
December 2026 is the cheapest month for a return, from $334, 28 Dec to 4 Jan 2027, found 3 days ago.
How far ahead should I book a flight from Las Vegas to Boston?
In 29 days of prices between 24 Sept and 12 Nov, return fares 30 to 59 days before departure were typically 58% lower than 0 to 6 days before departure. In 42 days of prices between 2 Oct and 12 Nov, one-way fares were cheapest 30 to 59 days before departure.
Is there a direct flight from Las Vegas to Boston?
Yes, the cheapest nonstop return found recently is $334 with jetBlue, 28 Dec to 4 Jan 2027, found 3 days ago.
How long is the flight from Las Vegas to Boston?
The cheapest one-way found recently, with Frontier Airlines on 24 Dec, takes 14 h 57 min with 1 stop.
Which airlines have the cheapest flights from Las Vegas to Boston?
Between 23 Dec and 13 Apr 2027, jetBlue has the cheapest return on 2 of the 3 departure dates we hold, and American Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work