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

Alaska Airlines, Southwest, and Delta 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 day?

The number of flights available between Las Vegas and Seattle is 29 per day as of October 2025. The most frequent departure time is 6:00a.m., with 51% of daily flights leaving at noon.

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

The number of flights available between Las Vegas and Seattle is 209 per week as of October 2025. The most frequent departure day is Wed, with 21% of weekly flights leaving on this day.

How often are flights from Las Vegas to Seattle delayed?

Historically, on average around 11% 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 136 minutes.

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

According to our data, China Eastern has had the least delays on this route over the last 12 months, with about 2% of their flights experiencing any sort of delay.

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. Friday has historically seen more delays on average compared to the rest of the week.

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 departing at night have, in the past, seen delays more frequently in comparison.

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 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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 35 Cheap Flights from Las Vegas to Seattle in 2025/26

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6:00 a.m. - 8:49 a.m.LAS-SEA

2h 49mdirect

7:20 a.m. - 9:58 a.m.SEA-LAS

2h 38mdirect

C$ 136Delta

Find Deal

Thu, 5 Feb - Mon, 9 Feb

10:59 a.m. - 1:52 p.m.LAS-SEA

2h 53mdirect

3:15 p.m. - 5:45 p.m.SEA-LAS

2h 30mdirect

C$ 150Delta

Find Deal

Sat, 28 Feb - Tue, 3 Mar

4:10 p.m. - 10:30 p.m.LAS-SEA

6h 20m1 stop

7:55 a.m. - 2:55 p.m.SEA-LAS

7h 00m1 stop

C$ 162Southwest

Find Deal

Fri, 23 Jan - Sun, 25 Jan

3:50 p.m. - 6:41 p.m.LAS-SEA

2h 51mdirect

3:45 p.m. - 6:17 p.m.SEA-LAS

2h 32mdirect

C$ 163Delta

Find Deal

Tue, 18 Nov - Wed, 19 Nov

2:50 p.m. - 10:30 p.m.LAS-SEA

7h 40m1 stop

11:40 a.m. - 4:20 p.m.SEA-LAS

4h 40m1 stop

C$ 170Southwest

Find Deal

Thu, 8 Jan - Sat, 10 Jan

6:30 a.m. - 1:30 p.m.LAS-SEA

7h 00m1 stop

5:15 a.m. - 12:45 p.m.SEA-LAS

7h 30m1 stop

C$ 176Southwest

Find Deal

Thu, 15 Jan - Sat, 17 Jan

10:21 a.m. - 1:17 p.m.LAS-SEA

2h 56mdirect

12:30 p.m. - 5:19 p.m.SEA-LAS

4h 49m1 stop

C$ 205Alaska Airlines

Find Deal

Thu, 27 Nov - Mon, 8 Dec

3:58 p.m. - 6:50 p.m.LAS-SEA

2h 52mdirect

3:45 p.m. - 10:06 a.m.SEA-LAS

18h 21m1 stop

C$ 210Alaska Airlines

Find Deal

Thu, 15 Jan - Sat, 17 Jan

8:05 a.m. - 3:29 p.m.LAS-SEA

7h 24m2 stops

7:34 p.m. - 12:45 a.m.SEA-LAS

5h 11m1 stop

C$ 296United Airlines

Find Deal

Wed, 10 Dec - Wed, 10 Dec

7:40 a.m. - 3:44 p.m.LAS-SEA

8h 04m2 stops

12:35 p.m. - 8:27 p.m.SEA-LAS

7h 52m2 stops

C$ 303United Airlines

Find Deal

Thu, 8 Jan - Sat, 10 Jan

Alaska Airlines flights from Las Vegas to Seattle

Our best Alaska Airlines deals on Las Vegas to Seattle flight tickets

Alaska Airlines

5 Feb

LAS1:43 p.m.Las Vegas Harry Reid Intl

2h 53m

SEA4:36 p.m.Seattle/Tacoma Intl

9 Feb

SEA7:00 a.m.Seattle/Tacoma Intl

2h 36m

LAS9:36 a.m.Las Vegas Harry Reid Intl

C$ 136

Find similar

Alaska Airlines

27 Nov

LAS10:21 a.m.Las Vegas Harry Reid Intl

2h 56m

SEA1:17 p.m.Seattle/Tacoma Intl

8 Dec

SEA12:30 p.m.Seattle/Tacoma Intl

4h 49m

1 stop

LAS5:19 p.m.Las Vegas Harry Reid Intl

C$ 205

Find similar

Alaska Airlines

15 Jan

LAS3:58 p.m.Las Vegas Harry Reid Intl

2h 52m

SEA6:50 p.m.Seattle/Tacoma Intl

17 Jan

SEA3:45 p.m.Seattle/Tacoma Intl

18h 21m

1 stop

LAS10:06 a.m.Las Vegas Harry Reid Intl

C$ 210

Find similar

Delta flights from Las Vegas to Seattle

Our best Delta deals on Las Vegas to Seattle flight tickets

Delta

28 Feb

LAS10:59 a.m.Las Vegas Harry Reid Intl

2h 53m

SEA1:52 p.m.Seattle/Tacoma Intl

3 Mar

SEA3:15 p.m.Seattle/Tacoma Intl

2h 30m

LAS5:45 p.m.Las Vegas Harry Reid Intl

C$ 150

Find similar

Delta

18 Nov

LAS3:50 p.m.Las Vegas Harry Reid Intl

2h 51m

SEA6:41 p.m.Seattle/Tacoma Intl

19 Nov

SEA3:45 p.m.Seattle/Tacoma Intl

2h 32m

LAS6:17 p.m.Las Vegas Harry Reid Intl

C$ 163

Find similar

Delta

23 Nov

LAS6:00 a.m.Las Vegas Harry Reid Intl

2h 50m

SEA8:50 a.m.Seattle/Tacoma Intl

28 Nov

SEA7:20 a.m.Seattle/Tacoma Intl

2h 40m

LAS10:00 a.m.Las Vegas Harry Reid Intl

C$ 191

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 5/2

6:00 a.m.-8:49 a.m.

Nonstop2h 49m

Seattle/Tacoma Intl

Mon 9/2

7:20 a.m.-9:58 a.m.

Nonstop2h 38m

C$ 136

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 28/2

10:59 a.m.-1:52 p.m.

Nonstop2h 53m

Seattle/Tacoma Intl

Tue 3/3

3:15 p.m.-5:45 p.m.

Nonstop2h 30m

C$ 150

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 23/1

4:10 p.m.-10:30 p.m.

1 stop6h 20m

Seattle/Tacoma Intl

Sun 25/1

7:55 a.m.-2:55 p.m.

1 stop7h 00m

C$ 162

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 18/11

3:50 p.m.-6:41 p.m.

Nonstop2h 51m

Seattle/Tacoma Intl

Wed 19/11

3:45 p.m.-6:17 p.m.

Nonstop2h 32m

C$ 163

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 8/1

2:50 p.m.-10:30 p.m.

1 stop7h 40m

Seattle/Tacoma Intl

Sat 10/1

11:40 a.m.-4:20 p.m.

1 stop4h 40m

C$ 170

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 15/1

6:30 a.m.-1:30 p.m.

1 stop7h 00m

Seattle/Tacoma Intl

Sat 17/1

5:15 a.m.-12:45 p.m.

1 stop7h 30m

C$ 176

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 27/11

10:21 a.m.-1:17 p.m.

Nonstop2h 56m

Seattle/Tacoma Intl

Mon 8/12

12:30 p.m.-5:19 p.m.

1 stop4h 49m

C$ 205

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 15/1

3:58 p.m.-6:50 p.m.

Nonstop2h 52m

Seattle/Tacoma Intl

Sat 17/1

3:45 p.m.-10:06 a.m.

1 stop18h 21m

C$ 210

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 10/12

8:05 a.m.-3:29 p.m.

2 stops7h 24m

Seattle/Tacoma Intl

Wed 10/12

7:34 p.m.-12:45 a.m.

1 stop5h 11m

C$ 296

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 8/1

7:40 a.m.-3:44 p.m.

2 stops8h 04m

Seattle/Tacoma Intl

Sat 10/1

12:35 p.m.-8:27 p.m.

2 stops7h 52m

C$ 303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

If you aren’t able to travel to Seattle during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 207.

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

Our data shows that Wednesday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 90. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around C$ 511. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

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

Our most recent data shows that the best time of day to fly to Seattle is at noon. Flights from Las Vegas to Seattle during this time can be as low as C$ 90. Flights in the morning are often more expensive with an average ticket price of C$ 303.

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 C$ 230 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 C$ 183 on momondo.

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

There are 3 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.

Can stopping save me money on Las Vegas to Seattle flights?

You could potentially save up to 24% on your flight if you consider stops on a Las Vegas to Seattle flight.

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

As of October 2025, prices for Las Vegas to Seattle flights are approximately 148% 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

Fastest flight time	2h 38m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from Las Vegas to Seattle takes 2h 38m

Direct flights go from Las Vegas to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

How far is Las Vegas Harry Reid Intl to Seattle/Tacoma Intl by plane?
The distance between Las Vegas Harry Reid Intl and Seattle/Tacoma Intl is about 1402.2 km. Flights usually cover this in 2h 50m, depending on flying conditions and air traffic around both airports.
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 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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 21.60% of the total bookings. Other popular models include Boeing 737-900 with 15.37%, Boeing 737-900 Passenger/BBJ3 (winglets) with 15.09%, and Airbus A321neo with 10.84%.

Leavenworth

Lynnwood

Marysville

Tacoma

SeaTac

Kirkland

Olympia

Ocean Shores

Redmond

Shoreline

Ellensburg

Gig Harbor

Renton

Mukilteo

Cle Elum

Centralia

Federal Way

Puyallup

Shelton

Lakewood

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Las Vegas.

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

Flights from Las Vegas to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Las Vegas.

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

Yes momondo offers price alerts on flights to Seattle from Las Vegas. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when 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.

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Flights to Las Vegasfrom C$ 141

Flights to Los Angelesfrom C$ 137

Flights to Miamifrom C$ 270

Flights to San Franciscofrom C$ 120

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Flights to Phoenixfrom C$ 163

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Cheap flights from Las Vegas to Seattle from C$ 82

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 27/11. 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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Big names, great deals

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Filter for what you want

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Alaska Airlines flights from Las Vegas to Seattle

Our best Alaska Airlines deals on Las Vegas to Seattle flight tickets

Delta flights from Las Vegas to Seattle

Our best Delta deals on Las Vegas to Seattle flight tickets

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Use the filters below to find and compare flights from Las Vegas to Seattle that are best for you.

See travel insights to Seattle from

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

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 207.

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?

Our most recent data shows that the best time of day to fly to Seattle is at noon. Flights from Las Vegas to Seattle during this time can be as low as C$ 90. Flights in the morning are often more expensive with an average ticket price of C$ 303.

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 3 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.

Can stopping save me money on Las Vegas to Seattle flights?

You could potentially save up to 24% on your flight if you consider stops on a Las Vegas to Seattle flight.

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

As of October 2025, prices for Las Vegas to Seattle flights are approximately 148% 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?

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

How often are flights from Las Vegas to Seattle delayed?

Historically, on average around 11% 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 136 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 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. 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, China Eastern has had the least delays on this route over the last 12 months, with about 2% of their flights experiencing any sort of delay.

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

The number of flights available between Las Vegas and Seattle is 29 per day as of October 2025. The most frequent departure time is 6:00a.m., with 51% of daily flights leaving at noon.

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

The number of flights available between Las Vegas and Seattle is 209 per week as of October 2025. The most frequent departure day is Wed, with 21% of weekly flights leaving 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

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 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?

Travelling 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