What airlines fly to Seattle?

Frontier, Alaska Airlines and Delta are the top three most popular airlines that fly to Seattle from Las Vegas according to our data. Frontier is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

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

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

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

293 flights are operational weekly from Las Vegas to Seattle as of December 2025. The most popular departure day for this route is Sat, with 19% of flights per week taking off on this day.

How often are flights from Las Vegas to Seattle delayed?

Historically, on average around 12% of flights between Las Vegas and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

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

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

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

As of December 2025, there are 41 flights per day flying from Las Vegas to Seattle. The most common time of day flights depart is 6:00AM, with 57% of flights taking off at noon.

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

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

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

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

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Seattle/Tacoma Intl Airport?

As of December 2025, there are 6 operators available to choose from for flights from Las Vegas Harry Reid Intl Airport to Seattle/Tacoma Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma 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 Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$37 Cheap Flights from Las Vegas to Seattle in 2025/26

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6:45 am - 9:36 am

LAS

SEA

2h 51mnonstop

9:25 pm - 11:59 pm

SEA

LAS

2h 34mnonstop

$57Frontier

Sun, Jan 18 - Sun, Jan 25

1:28 pm - 4:22 pm

LAS

SEA

2h 54mnonstop

9:23 pm - 11:57 pm

SEA

LAS

2h 34mnonstop

$58Frontier

Sat, Feb 21 - Sun, Mar 1

6:45 am - 9:36 am

LAS

SEA

2h 51mnonstop

9:25 pm - 11:59 pm

SEA

LAS

2h 34mnonstop

$66Frontier

Thu, Jan 22 - Thu, Jan 29

1:28 pm - 4:22 pm

LAS

SEA

2h 54mnonstop

9:26 pm - 11:59 pm

SEA

LAS

2h 33mnonstop

$67Frontier

Sat, Feb 21 - Fri, Feb 27

6:45 am - 9:36 am

LAS

SEA

2h 51mnonstop

10:51 am - 1:33 pm

SEA

LAS

2h 42mnonstop

$76Frontier

Fri, Jan 23 - Fri, Jan 30

12:05 pm - 2:57 pm

LAS

SEA

2h 52mnonstop

9:25 pm - 11:59 pm

SEA

LAS

2h 34mnonstop

$77Multiple Airlines

Wed, Jan 28 - Sun, Feb 1

5:12 pm - 8:08 pm

LAS

SEA

2h 56mnonstop

9:22 pm - 11:55 pm

SEA

LAS

2h 33mnonstop

$78Multiple Airlines

Thu, Feb 12 - Wed, Feb 18

8:00 am - 10:54 am

LAS

SEA

2h 54mnonstop

7:33 pm - 10:09 pm

SEA

LAS

2h 36mnonstop

$88Multiple Airlines

Wed, Feb 25 - Tue, Mar 3

7:50 am - 10:46 am

LAS

SEA

2h 56mnonstop

7:28 pm - 10:00 pm

SEA

LAS

2h 32mnonstop

$89Multiple Airlines

Sun, Feb 1 - Tue, Feb 3

1:53 pm - 8:10 pm

LAS

SEA

6h 17m1 stop

9:25 pm - 11:59 pm

SEA

LAS

2h 34mnonstop

$93Multiple Airlines

Thu, Jan 22 - Sun, Jan 25

Frontier flights from Las Vegas to Seattle

Our best Frontier deals on Las Vegas to Seattle flight tickets

Frontier

Jan 18

LAS6:45 amLas Vegas Harry Reid Intl

2h 51m

SEA9:36 amSeattle/Tacoma Intl

Jan 25

SEA9:25 pmSeattle/Tacoma Intl

2h 34m

LAS11:59 pmLas Vegas Harry Reid Intl

$57

Find similar

Frontier

Feb 21

LAS1:28 pmLas Vegas Harry Reid Intl

2h 54m

SEA4:22 pmSeattle/Tacoma Intl

Feb 26

SEA9:23 pmSeattle/Tacoma Intl

2h 34m

LAS11:57 pmLas Vegas Harry Reid Intl

$58

Find similar

Frontier

Jan 22

LAS6:45 amLas Vegas Harry Reid Intl

2h 51m

SEA9:36 amSeattle/Tacoma Intl

Jan 29

SEA9:25 pmSeattle/Tacoma Intl

2h 34m

LAS11:59 pmLas Vegas Harry Reid Intl

$66

Find similar

Delta flights from Las Vegas to Seattle

Our best Delta deals on Las Vegas to Seattle flight tickets

Delta

Feb 24

LAS6:59 pmLas Vegas Harry Reid Intl

2h 52m

SEA9:51 pmSeattle/Tacoma Intl

Feb 25

SEA3:25 pmSeattle/Tacoma Intl

2h 24m

LAS5:49 pmLas Vegas Harry Reid Intl

$97

Find similar

Delta

Jan 17

LAS1:45 pmLas Vegas Harry Reid Intl

2h 53m

SEA4:38 pmSeattle/Tacoma Intl

Jan 21

SEA12:25 pmSeattle/Tacoma Intl

2h 35m

LAS3:00 pmLas Vegas Harry Reid Intl

$117

Find similar

Delta

Mar 18

LAS6:00 amLas Vegas Harry Reid Intl

2h 46m

SEA8:46 amSeattle/Tacoma Intl

Mar 21

SEA7:15 amSeattle/Tacoma Intl

2h 33m

LAS9:48 amLas Vegas Harry Reid Intl

$147

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sun 1/18

6:45 am-9:36 am

Nonstop2h 51m

Seattle/Tacoma Intl

Sun 1/25

9:25 pm-11:59 pm

Nonstop2h 34m

$57

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 2/21

1:28 pm-4:22 pm

Nonstop2h 54m

Seattle/Tacoma Intl

Sun 3/1

9:23 pm-11:57 pm

Nonstop2h 34m

$58

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 1/22

6:45 am-9:36 am

Nonstop2h 51m

Seattle/Tacoma Intl

Thu 1/29

9:25 pm-11:59 pm

Nonstop2h 34m

$66

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 2/21

1:28 pm-4:22 pm

Nonstop2h 54m

Seattle/Tacoma Intl

Fri 2/27

9:26 pm-11:59 pm

Nonstop2h 33m

$67

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 1/23

6:45 am-9:36 am

Nonstop2h 51m

Seattle/Tacoma Intl

Fri 1/30

10:51 am-1:33 pm

Nonstop2h 42m

$76

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 1/28

12:05 pm-2:57 pm

Nonstop2h 52m

Seattle/Tacoma Intl

Sun 2/1

9:25 pm-11:59 pm

Nonstop2h 34m

$77

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 2/12

5:12 pm-8:08 pm

Nonstop2h 56m

Seattle/Tacoma Intl

Wed 2/18

9:22 pm-11:55 pm

Nonstop2h 33m

$78

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 2/25

8:00 am-10:54 am

Nonstop2h 54m

Seattle/Tacoma Intl

Tue 3/3

7:33 pm-10:09 pm

Nonstop2h 36m

$88

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sun 2/1

7:50 am-10:46 am

Nonstop2h 56m

Seattle/Tacoma Intl

Tue 2/3

7:28 pm-10:00 pm

Nonstop2h 32m

$89

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 1/22

1:53 pm-8:10 pm

1 stop6h 17m

Seattle/Tacoma Intl

Sun 1/25

9:25 pm-11:59 pm

Nonstop2h 34m

$93

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Las Vegas to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $135. If you don’t want to visit Seattle in January, then you should wait until February to fly from Las Vegas, when ticket prices are also cheap, with an average price of $140.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Las Vegas is on a Friday. momondo users have found tickets for Friday departures for as low as $211. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Las Vegas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $576.

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

Flying to Seattle from Las Vegas at noon is the least expensive time of day to depart. momondo users have found prices as low as $234 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $322. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $165 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Las Vegas for as low as $133 on momondo.

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

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

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

As of December 2025, prices for Las Vegas to Seattle flights are approximately 81% more expensive when compared to flights at the same time last year.

When to book flights from Las Vegas to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Las Vegas to Seattle (LAS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Seattle

Best Price Found	$93
Fastest flight time	2h 45m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Las Vegas in the past 72 hours is $93. The best round-trip flight deal from Las Vegas to Seattle found on momondo in the last 72 hours is $116.

The fastest flight from Las Vegas to Seattle takes 2h 45m

Direct flights go from Las Vegas to Seattle every day.

There is 1 airport in Seattle. From Las Vegas there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

How far is Las Vegas Harry Reid Intl to Seattle/Tacoma Intl by plane?
There are 871.3 mi between Las Vegas Harry Reid Intl and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 2h 45m.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Las Vegas Harry Reid Intl Airport to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Seattle/Tacoma Intl Airport?
As of December 2025, there are 6 operators available to choose from for flights from Las Vegas Harry Reid Intl Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma 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 Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Las Vegas to Seattle?
Based on momondo bookings for flights between Las Vegas and Seattle, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 23.28% of the total bookings. Other popular models include Boeing 737-900 with 17.11%, Airbus A321neo with 12.05%, and Boeing 737 MAX 8 with 7.93%.
What is the most popular airline from Las Vegas to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Las Vegas to Seattle is Frontier (27% of total bookings). The next most popular airlines are Alaska Airlines (24%), Delta (22%), and Spirit Airlines (16%).

Best airlines flying from Las Vegas to Seattle

Compare and see reviews for airlines that fly from Las Vegas to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $52	Free Cancellation	Rating 5.8 3,070 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $58	Free Cancellation	Rating 6.3 8,213 reviews	Search Spirit Airlines flights
Delta	PriceFrom $97	Free Cancellation	Rating 7.9 8,022 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $103	Free Cancellation	Rating 7.8 2,819 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $117	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $118	Free Cancellation	Rating 8.0 11,550 reviews	Search Alaska Airlines flights

Southwest Flights From Las Vegas to Seattle
Southwest is one of the most popular airlines flying from Las Vegas to Seattle, operating 17 flights/week on average for this route. A good Southwest flight deal for Las Vegas to Seattle starts from $117 round-trip, up to an average price of $217. Our users have rated Southwest at 8.0/10.
Alaska Airlines Flights From Las Vegas to Seattle
$118 is the best Alaska Airlines flight deal from Las Vegas to Seattle found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to $204, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 11,547 user reviews) flies into Seattle from Las Vegas 23 times in an average week so prices can vary.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Federal Way

Cle Elum

Lakewood

Fife

Centralia

Westport

Kirkland

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Las Vegas to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Las Vegas to Seattle with flexible booking policies on momondo?

All flight searches from Las Vegas to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Las Vegas to Seattle?

Once you have performed a search for Las Vegas to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Las Vegas to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Las Vegas to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Las Vegas to Seattle from $37

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Seattle departing on 3/23. 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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Frontier flights from Las Vegas to Seattle

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See travel insights to Seattle from

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

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

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

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

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

How far in advance should I book a flight to Seattle?

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

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

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

As of December 2025, prices for Las Vegas to Seattle flights are approximately 81% more expensive when compared to flights at the same time last year.

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

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

What airlines fly to Seattle?

How often are flights from Las Vegas to Seattle delayed?

Historically, on average around 12% of flights between Las Vegas and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights 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 which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

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

As of December 2025, there are 41 flights per day flying from Las Vegas to Seattle. The most common time of day flights depart is 6:00AM, with 57% of flights taking off at noon.

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

293 flights are operational weekly from Las Vegas to Seattle as of December 2025. The most popular departure day for this route is Sat, with 19% of flights per week taking off on this day.

When to book flights from Las Vegas to Seattle

Cheap Las Vegas to Seattle (LAS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Seattle

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

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

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

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Seattle/Tacoma Intl Airport?

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

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Las Vegas to Seattle?

What is the most popular airline from Las Vegas to Seattle?

Best airlines flying from Las Vegas to Seattle

Compare and see reviews for airlines that fly from Las Vegas to Seattle with momondo

Southwest Flights From Las Vegas to Seattle

Alaska Airlines Flights From Las Vegas to Seattle

Traveling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Seattle?

Can I find flights from Las Vegas to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from Las Vegas to Seattle?

I’m not ready to book a flight from Las Vegas to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington