Cheap flights from Seattle to Las Vegas from $153 BFI, SEA → LAS
Boeing Field International Airport (BFI), Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS)
The cheapest return found recently is $153 with Frontier Airlines, 25 Jan 2027 – 28 Jan 2027, found yesterday. The cheapest one-way found recently is $219 with Frontier Airlines, 16 Nov, found 2 days ago.
- Cheapest one-way found recently
- $219, found 2 days ago
- Cheapest return found recently
- $153, 25 Jan 2027 to 28 Jan 2027
- Usual return price
- $152 to $335
- Cheapest month to fly
- January 2027, return fares from $139 found in the last 7 days
- Airlines with nonstop flights
- Alaska Airlines, Frontier Airlines, Southwest Airlines
- Shortest nonstop flight found
- 2 h 46 min
Return
The cheapest return fare on each of 14 departure dates is usually $152 to $335.
Cheapest return found recently
$153
25 Jan 2027 – 28 Jan 2027 · Frontier Airlines
Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS)
Leaves 11:58 a.m. · Return leaves 8:00 a.m. · 5 h 37 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$153
25 Jan 2027 – 28 Jan 2027 · Frontier Airlines
Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS)
Leaves 11:58 a.m. · Return leaves 8:00 a.m. · 5 h 37 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Every nonstop date from Seattle to Las Vegas
Found recently, and the cheapest we hold
$153 25 Jan 2027 – 28 Jan 2027found yesterdaySee prices for these dates
$139 25 Jan 2027 – 28 Jan 2027found 6 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $80 to $290.
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 14 departure dates from 13 Nov to 12 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 3-night return fares leaving within 3 days of 25 Jan 2027 to compare.
Every date we hold
69 fares on 14 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 13 Nov – 15 Nov | $396 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 15 Nov – 16 Nov | $1,011 | SeaPort Airlines | Boeing Field International Airport (BFI) → McCarran International Airport (LAS) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 18 Nov – 24 Nov | $361 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out nonstop, back 1 stop | found 5 days ago | See prices for these dates |
| 14 Dec – 17 Dec | $191 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 17 Dec – 20 Dec | $226 | Southwest Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 21 Dec – 24 Dec | $185 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 24 Dec – 29 Dec | $255 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 7 Jan 2027 – 10 Jan 2027 | $238 | Southwest Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 11 Jan 2027 – 14 Jan 2027 | $152 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 18 Jan 2027 – 21 Jan 2027 | $152 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 25 Jan 2027 – 28 Jan 2027 | $139 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 1 Feb 2027 – 4 Feb 2027 | $152 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 1 Mar 2027 – 4 Mar 2027 | $152 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 12 Apr 2027 – 15 Apr 2027 | $421 | Southwest Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $139.
Airlines on the cheapest dates: Frontier Airlines, Southwest Airlines, Alaska Airlines, SeaPort Airlines.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $180 to $356.
Cheapest one-way found recently
$219
16 Nov · Frontier Airlines
Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS)
Leaves 9:13 p.m. · 2 h 46 min trip
stops unknown
found 2 days ago
Cheapest nonstop one-way
$141
26 Nov · Frontier Airlines
Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS)
Leaves 9:53 p.m. · 2 h 46 min trip
nonstop
found 4 days ago
Found recently, and the cheapest we hold
$219 16 Novfound 2 days agoOpen this trip
$141 26 Novfound 4 days agoOpen this trip
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $64 to $228.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 16 Nov to 18 Dec, 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 one-way fares leaving within 3 days of 16 Nov to compare.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Nov | $219 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | stops unknown | found 2 days ago | Open this trip |
| 26 Nov | $141 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → McCarran International Airport (LAS) | nonstop | found 4 days ago | Open this trip |
| 18 Dec | $493 | SeaPort Airlines | Boeing Field International Airport (BFI) → McCarran International Airport (LAS) | 2 stops | found 2 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $141.
Airlines on the cheapest dates: Frontier Airlines, SeaPort Airlines.
Premium cabin fares from Seattle to Las Vegas
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 25 Jan 2027 – 28 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 16 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seattle to Las Vegas?
Return
Fares 90 to 179 days before departure were typically 39% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 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 | $293 | $227 | +65% | 36 |
| 7–13 days | $273 | $147 | +53% | 34 |
| 14–29 days | $211 | $135 | +19% | 35 |
| 30–59 days | $202 | $172 | +13% | 34 |
| 60–89 days | $220 | $80 | +24% | 39 |
| 90–179 days | $178 | $145 | Cheapest seen | 18 |
One-way
Fares 60 to 89 days before departure were typically 39% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (49 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 | $143 | $132 | +63% | 27 |
| 7–13 days | $220 | $91 | +149% | 24 |
| 14–29 days | $117 | $64 | +33% | 38 |
| 30–59 days | $97 | $78 | +10% | 18 |
| 60–89 days | $88 | $68 | Cheapest seen | 23 |
| 90–179 days | $107 | $107 | +22% | 12 |
| 180+ days | $228 | $228 | +159% | 16 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Everett → Las Vegas
34 km from Seattle
$229
$76 more than flying from Seattle
17 Dec – 20 Dec · PAE → LAS · out nonstop, back nonstop
found 2 days ago
Bellingham → Las Vegas
128 km from Seattle
$245
$92 more than flying from Seattle
4 Dec – 6 Dec · BLI → LAS · out nonstop, back nonstop
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Everett → Las Vegas
34 km from Seattle
$257
$38 more than flying from Seattle
18 Dec · PAE → LAS · nonstop
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 25 Jan 2027 – 28 Jan 2027. 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 Seattle to Las Vegas?
The cheapest return found recently is $153 with Frontier Airlines, 25 Jan 2027 to 28 Jan 2027, found yesterday. The cheapest return we hold, of any age, is $139 with Frontier Airlines, 25 Jan 2027 to 28 Jan 2027, found 6 days ago. The cheapest return fare on each of 14 departure dates is usually $152 to $335.
How much is a one-way flight from Seattle to Las Vegas?
The cheapest one-way found recently is $219 with Frontier Airlines, 16 Nov, found 2 days ago. The cheapest one-way we hold, of any age, is $141 with Frontier Airlines, 26 Nov, found 4 days ago. The cheapest one-way fare on each of 3 departure dates is usually $180 to $356.
What is the cheapest month to fly from Seattle to Las Vegas?
January 2027 is the cheapest month for a return, from $139, 25 Jan 2027 to 28 Jan 2027, found 6 days ago. November 2026 is the cheapest month for a one-way, from $141, 26 Nov, found 4 days ago.
How far ahead should I book a flight from Seattle to Las Vegas?
In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 39% lower than 0 to 6 days before departure. One-way fares 60 to 89 days before departure were typically 39% lower than 0 to 6 days before departure.
Is there a direct flight from Seattle to Las Vegas?
Yes, the cheapest nonstop return found recently is $153 with Frontier Airlines, 25 Jan 2027 to 28 Jan 2027, found yesterday. The cheapest nonstop one-way found recently is $141 with Frontier Airlines, 26 Nov, found 4 days ago.
How long is the flight from Seattle to Las Vegas?
The cheapest nonstop one-way found recently, with Frontier Airlines on 26 Nov, takes 2 h 46 min from Seattle-Tacoma International Airport (SEA) to McCarran International Airport (LAS).
Which airlines have the cheapest flights from Seattle to Las Vegas?
Between 13 Nov and 12 Apr 2027, Frontier Airlines has the cheapest return on 8 of the 14 departure dates we hold, Southwest Airlines on 3 and Alaska Airlines on 2. Between 16 Nov and 18 Dec, Frontier Airlines has the cheapest one-way on 2 of the 3 departure dates we hold, and SeaPort 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