Q: What is the typical price of a round-trip flight between Seattle and Las Vegas?

Prices are currently low for flights on this route. Typical prices usually range from £78 to £224. The lowest price recently found on this route was £71.

Question 1

What cabin class options are available on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights?

Accepted Answer

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 2

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 3

How many flights depart from Seattle to Las Vegas on average per week?

Accepted Answer

274 flights are operational weekly from Seattle to Las Vegas as of January 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

Question 4

Which airline has the best punctuality record on Seattle to Las Vegas flights?

Accepted Answer

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

Question 5

What is the cheapest Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flight route?

Accepted Answer

Fly from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl for the best Seattle/Tacoma Intl - Las Vegas Harry Reid Intl flight prices

Question 6

What is the cheapest day to depart on your flight to Las Vegas?

Accepted Answer

The cheapest day to depart on your flight to Las Vegas is on a Friday when prices can be found for as low as £97. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £134.

Question 7

How many flights depart from Seattle to Las Vegas on average per day?

Accepted Answer

As of January 2026, 39 flights take off from Seattle and land in Las Vegas each day. The most common flight departure time for this route is 12:00, with 43% of daily flights taking off in the afternoon.

Question 8

What is the most punctual flight time for Seattle to Las Vegas flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Question 9

What is the typical price of a round-trip flight between Seattle and Las Vegas?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £78 to £224.
The lowest price recently found on this route was £71.

Question 10

How have Seattle to Las Vegas flight prices changed over time?

Accepted Answer

As of January 2026, prices for Seattle to Las Vegas flights are approximately 25% cheaper when compared to flights at the same time last year.

Question 11

What is the cheapest airline that flies from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl?

Accepted Answer

Delta, Alaska Airlines, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

Question 12

How often are flights from Seattle to Las Vegas delayed?

Accepted Answer

Historically, on average around 16% of flights between Seattle and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

Question 13

What is the cheapest time of day to depart on your flight to Las Vegas?

Accepted Answer

Our data shows that the cheapest Seattle to Las Vegas flights are usually those with departure times at midday. Our users have found flights to Las Vegas at midday for as low as £67. Flights to Las Vegas are more costly in the morning, with an average ticket price of £162. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Question 14

What is the cheapest month to fly to Las Vegas?

Accepted Answer

In general, March is the cheapest month to fly from Seattle to Las Vegas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £136. If you’re not able to fly to Las Vegas in March, then February is your next best option. Flight prices from Seattle to Las Vegas during February average around £143.

Question 15

How far in advance should I book a flight to Las Vegas?

Accepted Answer

You are more likely to see cheaper flights to Las Vegas from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around £152 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Seattle for as low as £118 on momondo.

Question 16

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

Accepted Answer

Prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport were last updated today.

Question 17

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport.

Question 18

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Fastest flight time	2h 26m
Direct flights	Every day
Airports in Las Vegas	1 airport

Cheap flights from Seattle to Las Vegas from £36

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Las Vegas departing on 17/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Seattle to Las Vegas

What is the typical price of a round-trip flight between Seattle and Las Vegas?

What is the cheapest month to fly to Las Vegas?

What is the cheapest day to depart on your flight to Las Vegas?

What is the cheapest time of day to depart on your flight to Las Vegas?

What is the cheapest Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flight route?

Fly from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl for the best Seattle/Tacoma Intl - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

What cabin class options are available on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Las Vegas flight prices changed over time?

As of January 2026, prices for Seattle to Las Vegas flights are approximately 25% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl?

Delta, Alaska Airlines, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

How often are flights from Seattle to Las Vegas delayed?

Historically, on average around 16% of flights between Seattle and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

What is the most punctual flight time for Seattle to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Seattle to Las Vegas flights?

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

How many flights depart from Seattle to Las Vegas on average per day?

As of January 2026, 39 flights take off from Seattle and land in Las Vegas each day. The most common flight departure time for this route is 12:00, with 43% of daily flights taking off in the afternoon.

How many flights depart from Seattle to Las Vegas on average per week?

274 flights are operational weekly from Seattle to Las Vegas as of January 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

When to book flights from Seattle to Las Vegas

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How far is Seattle/Tacoma Intl to Las Vegas Harry Reid Intl by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

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