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

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, Delta have had the lowest number of delays on this route, with just 8% of flights being delayed.

How often are flights from Las Vegas to Seattle delayed?

About 12% of weekly flights between Las Vegas and Seattle have experienced delays in the past year, with the average delay time being 135 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

How popular is this Las Vegas to Seattle flight route?

This flight path from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl was viewed by 133 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Las Vegas to Seattle?

Delta and Southwest can get you from Las Vegas to Seattle in just under 2h 45m. Your travel time will be generally consistent. Las Vegas and Seattle are separated by a distance of 866 mi. All flights are typically nonstop.

What are the cheapest airlines flying from Las Vegas to Seattle round-trip?

Currently priced at $45, Frontier will fly you from Las Vegas to Seattle and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Hawaiian Airlines - these airlines can fly you to your destination from $53 and $79, respectively. Frontier is priced at 72% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Las Vegas to Seattle one-way?

The cheapest airlines for a one-way flight from Las Vegas to Seattle are Frontier ($29), Spirit Airlines ($33), and Alaska Airlines ($58).

Weekly flight availability from Las Vegas to Seattle

The most flights from LAS to SEA are scheduled on a Friday (54 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (29 on average).

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Las Vegas to Seattle?

Looking at all options, your cheapest flight can be booked for $29. While the most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl) can be booked for $75 on average, our data indicates $738 when flying from Las Vegas to Seattle.

What are the most reliable airlines from Las Vegas to Seattle?

The top 3 most reliable airlines when flying from Las Vegas to Seattle are Air France (96%), Aeromexico (95%) and KLM (93%).

What are the most popular airlines that fly from Las Vegas to Seattle?

The most popular airlines flying from Las Vegas to Seattle are Frontier, Alaska Airlines and Delta. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Las Vegas-Seattle flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Las Vegas-Seattle flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Las Vegas-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Las Vegas-Seattle flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Las Vegas to Seattle?

If you book a flight from Las Vegas to Seattle, you will be flying from Harry Reid Intl to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Las Vegas Harry Reid Intl (LAS) take 2h 45m for a nonstop flight. There are 43 flights from Harry Reid Intl to Seattle per day from 6 airlines.

Can I find deals for flights from Las Vegas to Seattle that include hotel bookings?

Yes. In addition to deals on Las Vegas to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Las Vegas to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Seattle.

Can I find deals for business class flights from Las Vegas to Seattle?

Yes. Cheapflights offers flight deals from Las Vegas to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$37+ Flights from Las Vegas to Seattle

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl are usually found in January or February, booked 89 days in advance, depart on a Friday or Thursday and return on a Monday

Cheap flight deals from Las Vegas to Seattle

Cheapest flights from Las Vegas to Seattle
Explore the most affordable flight options available from Las Vegas to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 28, 2025.

ven. 12/268:13 pmLAS - SEA

1 stop22h 30mFrontier

ven. 1/3010:51 amSEA - LAS

Nonstop2h 42mFrontier

Deal found 12/26

$291

mer. 12/3110:55 amLAS - SEA

Nonstop2h 56mFrontier

ven. 1/26:33 pmSEA - LAS

Nonstop2h 35mFrontier

Deal found 12/26

$316

mer. 12/3110:55 amLAS - SEA

Nonstop2h 56mFrontier

dim. 1/46:05 pmSEA - LAS

Nonstop2h 35mFrontier

Deal found 12/26

$320

ven. 12/267:15 amLAS - SEA

Nonstop2h 56mFrontier

mar. 12/306:33 pmSEA - LAS

Nonstop2h 35mFrontier

Deal found 12/26

$332

lun. 12/298:13 pmLAS - SEA

1 stop21h 25mFrontier

mer. 12/312:46 pmSEA - LAS

Nonstop2h 37mFrontier

Deal found 12/25

$335

mar. 12/307:15 amLAS - SEA

Nonstop2h 56mFrontier

ven. 1/26:33 pmSEA - LAS

Nonstop2h 35mFrontier

Deal found 12/26

$346

ven. 12/267:14 pmLAS - SEA

Nonstop2h 56mAlaska Airlines

ven. 1/308:40 pmSEA - LAS

Nonstop2h 32mAlaska Airlines

Deal found 12/26

$347

Best flights from Las Vegas to Seattle
Discover carefully curated flight deals from Las Vegas to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated décembre 28, 2025.

sam. 2/216:00 amLAS - SEA

Nonstop2h 50mDelta

mer. 2/2512:35 pmSEA - LAS

Nonstop2h 27mDelta

Deal found 12/25

$107

ven. 1/307:50 pmLAS - SEA

Nonstop2h 45mSouthwest

lun. 2/29:55 amSEA - LAS

1 stop7h 40mSouthwest

Deal found 12/25

$107

mer. 2/2511:59 amLAS - SEA

Nonstop2h 54mAlaska Airlines

lun. 3/23:40 pmSEA - LAS

1 stop6h 48mAlaska Airlines

Deal found 12/25

$127

mer. 1/2111:00 amLAS - SEA

Nonstop2h 54mDelta

lun. 1/263:15 pmSEA - LAS

Nonstop2h 26mDelta

Deal found 12/26

$107

ven. 1/302:50 pmLAS - SEA

1 stop7h 40mSouthwest

dim. 2/15:00 amSEA - LAS

1 stop7h 40mSouthwest

Deal found 12/26

$116

mer. 1/216:00 amLAS - SEA

1 stop6h 51mAlaska Airlines

lun. 1/268:40 pmSEA - LAS

Nonstop2h 32mAlaska Airlines

Deal found 12/27

$127

sam. 1/171:45 pmLAS - SEA

Nonstop2h 53mDelta

mer. 1/2112:25 pmSEA - LAS

Nonstop2h 35mDelta

Deal found 12/26

$117

sam. 1/173:00 pmLAS - SEA

1 stop4h 55mSouthwest

mer. 1/218:45 amSEA - LAS

Nonstop2h 30mSouthwest

Deal found 12/27

$127

jeu. 3/126:59 pmLAS - SEA

Nonstop2h 47mDelta

mar. 3/177:15 amSEA - LAS

Nonstop2h 33mDelta

Deal found 12/27

$117

jeu. 3/127:00 amLAS - SEA

Nonstop2h 53mAlaska Airlines

mar. 3/1710:30 amSEA - LAS

1 stop7h 48mAlaska Airlines

Deal found 12/27

$137

Last-minute flights from Las Vegas to Seattle
Discover last-minute flight deals from Las Vegas to Seattle. Data last updated décembre 28, 2025 and is based on user searches.

jeu. 1/154:59 pmLAS - SEA

Nonstop2h 52mFrontier

dim. 1/1810:51 amSEA - LAS

Nonstop2h 42mFrontier

Deal found 12/27

$58

jeu. 1/154:59 pmLAS - SEA

Nonstop2h 52mMultiple Airlines

mar. 1/206:28 pmSEA - LAS

Nonstop2h 32mMultiple Airlines

Deal found 12/28

$88

jeu. 1/154:59 pmLAS - SEA

Nonstop2h 52mMultiple Airlines

jeu. 1/2210:51 amSEA - LAS

1 stop6h 27mMultiple Airlines

Deal found 12/27

$94

ven. 1/166:45 amLAS - SEA

Nonstop2h 51mFrontier

dim. 1/185:43 pmSEA - LAS

1 stop5h 23mFrontier

Deal found 12/26

$97

ven. 1/164:59 pmLAS - SEA

Nonstop2h 52mMultiple Airlines

jeu. 1/2210:51 amSEA - LAS

1 stop6h 27mMultiple Airlines

Deal found 12/27

$99

ven. 1/166:45 amLAS - SEA

Nonstop2h 51mFrontier

lun. 1/1912:59 pmSEA - LAS

1 stop9h 30mFrontier

Deal found 12/27

$100

dim. 1/186:45 amLAS - SEA

Nonstop2h 51mFrontier

dim. 1/259:25 pmSEA - LAS

Nonstop2h 34mFrontier

Deal found 12/25

$57

jeu. 1/226:45 amLAS - SEA

Nonstop2h 51mFrontier

jeu. 1/299:25 pmSEA - LAS

Nonstop2h 34mFrontier

Deal found 12/26

$66

jeu. 1/226:45 amLAS - SEA

Nonstop2h 51mMultiple Airlines

dim. 1/2512:01 pmSEA - LAS

1 stop6h 09mMultiple Airlines

Deal found 12/27

$93

jeu. 1/228:00 amLAS - SEA

1 stop12h 10mFrontier

dim. 1/259:25 pmSEA - LAS

Nonstop2h 34mFrontier

Deal found 12/27

$98

ven. 1/236:45 amLAS - SEA

Nonstop2h 51mFrontier

ven. 1/3010:51 amSEA - LAS

Nonstop2h 42mFrontier

Deal found 12/26

$76

mer. 1/2812:05 pmLAS - SEA

Nonstop2h 52mMultiple Airlines

dim. 2/19:25 pmSEA - LAS

Nonstop2h 34mMultiple Airlines

Deal found 12/27

$77

One-way flights from Las Vegas to Seattle
Search for one-way flight options from Las Vegas to Seattle. Find affordable one-way fares based on user searches. Data last updated décembre 28, 2025.

lun. 3/232:32 pmLAS - SEA

Nonstop2h 53mFrontier

Deal found 12/26

$37

jeu. 4/97:00 amLAS - SEA

Nonstop2h 56mFrontier

Deal found 12/25

$38

dim. 2/17:50 amLAS - SEA

Nonstop2h 56mFrontier

Deal found 12/26

$40

mer. 3/117:00 amLAS - SEA

Nonstop2h 53mHawaiian Airlines

Deal found 12/26

$43

lun. 1/269:00 amLAS - SEA

Nonstop2h 56mFrontier

Deal found 12/25

$44

mer. 2/258:00 amLAS - SEA

Nonstop2h 54mAlaska Airlines

Deal found 12/26

$48

mer. 1/281:45 pmLAS - SEA

Nonstop2h 53mDelta

Deal found 12/27

$49

ven. 1/237:36 pmLAS - SEA

Nonstop2h 54mAlaska Airlines

Deal found 12/25

$52

jeu. 1/221:43 pmLAS - SEA

Nonstop2h 53mHawaiian Airlines

Deal found 12/28

$53

ven. 1/167:00 amLAS - SEA

Nonstop2h 53mHawaiian Airlines

Deal found 12/26

$54

mer. 3/118:10 amLAS - SEA

1 stop7h 35mSouthwest

Deal found 12/27

$58

mar. 3/314:05 pmLAS - SEA

Nonstop2h 49mDelta

Deal found 12/26

$59

Find flight deals from Las Vegas to Seattle

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$57 (Kiwi.com)
One-way from	$37 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$207
Good round-trip deal	$112 or less
Good one-way deal	$81 or less

Provider with most accurate pricing for Las Vegas Harry Reid Intl-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Seattle/Tacoma Intl flights.

Search Deals

From Las Vegas Harry Reid Intl to Seattle/Tacoma Intl

Search Deals

One-way flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl.

Search Deals

Price to beat on a one-way flight from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

sam. 2/21

6:00 am-8:50 am

Nonstop2h 50m

Seattle/Tacoma Intl

mer. 2/25

12:35 pm-3:02 pm

Nonstop2h 27m

$107

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ven. 1/30

7:50 pm-10:35 pm

Nonstop2h 45m

Seattle/Tacoma Intl

lun. 2/2

9:55 am-5:35 pm

1 stop7h 40m

$107

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mer. 1/21

11:00 am-1:54 pm

Nonstop2h 54m

Seattle/Tacoma Intl

lun. 1/26

3:15 pm-5:41 pm

Nonstop2h 26m

$107

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ven. 1/30

2:50 pm-10:30 pm

1 stop7h 40m

Seattle/Tacoma Intl

dim. 2/1

5:00 am-12:40 pm

1 stop7h 40m

$116

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

sam. 1/17

1:45 pm-4:38 pm

Nonstop2h 53m

Seattle/Tacoma Intl

mer. 1/21

12:25 pm-3:00 pm

Nonstop2h 35m

$117

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

jeu. 3/12

6:59 pm-9:46 pm

Nonstop2h 47m

Seattle/Tacoma Intl

mar. 3/17

7:15 am-9:48 am

Nonstop2h 33m

$117

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mer. 2/25

11:59 am-2:53 pm

Nonstop2h 54m

Seattle/Tacoma Intl

lun. 3/2

3:40 pm-10:28 pm

1 stop6h 48m

$127

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mer. 1/21

6:00 am-12:51 pm

1 stop6h 51m

Seattle/Tacoma Intl

lun. 1/26

8:40 pm-11:12 pm

Nonstop2h 32m

$127

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

sam. 1/17

3:00 pm-7:55 pm

1 stop4h 55m

Seattle/Tacoma Intl

mer. 1/21

8:45 am-11:15 am

Nonstop2h 30m

$127

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

jeu. 3/12

7:00 am-9:53 am

Nonstop2h 53m

Seattle/Tacoma Intl

mar. 3/17

10:30 am-6:18 pm

1 stop7h 48m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 22 results

Compare providers for flights from Las Vegas to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to Seattle in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
Trip.com	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Las Vegas-Seattle flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Las Vegas-Seattle flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Las Vegas-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Las Vegas-Seattle flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Las Vegas with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Seattle

Prices

Airlines

Delays

How far ahead should I book a flight from Las Vegas to Seattle?

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Las Vegas to Seattle?

Currently, March is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of $39). Flying from Las Vegas to Seattle in July is currently the most expensive (average of $79). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAS to SEA?

When flying from Las Vegas to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 27% versus a flight in the afternoon.

What is the cheapest day to fly from Las Vegas to Seattle?

Travelers seeking maximum savings on their Las Vegas to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Las Vegas to Seattle flights

Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Seattle trip

Airlines

Frontier

Frontier's UpFront Plus guarantees an empty middle seat, offering more comfort.

Frontier's Zone 1 boarding is available with carry-on purchase, ensuring quicker boarding.

Alaska Airlines

Alaska's Wi-Fi offers a flat fee, ideal for business travelers needing to work onboard.

Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort on flights.

Spirit Airlines

Spirit's Big Front Seats offer wider seats and extra legroom, ideal for comfort.

Spirit's Wi-Fi plans are available for browsing and streaming, enhancing in-flight entertainment.

Airports

LAS

LAS offers a self-service TSA screening trial, simplifying security with video instructions. Ideal for frequent travelers familiar with the process.

SEA

Take the Link light rail from SEA to downtown Seattle. It's affordable, runs every 10 minutes, and takes less than 40 minutes.

Our travel experts

Marisa Garcia

Expert on Frontier

Robert Schrader

Expert on Alaska Airlines

Daniel Scheffler

Expert on Spirit Airlines

Brandon Schultz

Expert on SEA

Ramsey Qubein

Expert on LAS

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Las Vegas to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

8.0

Very good

11,551 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Delta

7.9

Good

8,018 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Hawaiian Airlines

7.8

Good

2,820 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Spirit Airlines

6.3

Okay

8,210 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Frontier

5.8

Fair

3,064 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

What airports do I use to fly from Las Vegas to Seattle?
If you book a flight from Las Vegas to Seattle, you will be flying from Harry Reid Intl to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Las Vegas Harry Reid Intl (LAS) take 2h 45m for a nonstop flight. There are 43 flights from Harry Reid Intl to Seattle per day from 6 airlines.
How popular is this Las Vegas to Seattle flight route?
This flight path from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl was viewed by 133 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Las Vegas to Seattle?
Delta and Southwest can get you from Las Vegas to Seattle in just under 2h 45m. Your travel time will be generally consistent. Las Vegas and Seattle are separated by a distance of 866 mi. All flights are typically nonstop.
What are the cheapest airlines flying from Las Vegas to Seattle round-trip?
Currently priced at $45, Frontier will fly you from Las Vegas to Seattle and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Hawaiian Airlines - these airlines can fly you to your destination from $53 and $79, respectively. Frontier is priced at 72% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Las Vegas to Seattle one-way?
The cheapest airlines for a one-way flight from Las Vegas to Seattle are Frontier ($29), Spirit Airlines ($33), and Alaska Airlines ($58).
What are the most reliable airlines from Las Vegas to Seattle?
The top 3 most reliable airlines when flying from Las Vegas to Seattle are Air France (96%), Aeromexico (95%) and KLM (93%).
What are the cheapest flights from Las Vegas to Seattle?
Looking at all options, your cheapest flight can be booked for $29. While the most popular route (Las Vegas Harry Reid Intl - Seattle/Tacoma Intl) can be booked for $75 on average, our data indicates $738 when flying from Las Vegas to Seattle.
Can I find deals for flights from Las Vegas to Seattle that include hotel bookings?
Yes. In addition to deals on Las Vegas to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Seattle.
Can I find deals for business class flights from Las Vegas to Seattle?
Yes. Cheapflights offers flight deals from Las Vegas to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Las Vegas to Seattle?
Currently, March is the cheapest month in which you can book a flight from Las Vegas to Seattle (average of $39). Flying from Las Vegas to Seattle in July is currently the most expensive (average of $79). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to Seattle

Top 6 airlines flying from Las Vegas to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$52	Average$134	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$58	Average$115	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$97	Average$203	FlexibilityNo cancel fee	On-timeN/A
Hawaiian Airlines	Cheapest$103	Average$194	FlexibilityNo cancel fee	On-time85%
Southwest	Cheapest$117	Average$217	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$118	Average$204	FlexibilityNo cancel fee	On-time75%

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$37+ Cheap flights from Las Vegas to Seattle (LAS - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/23. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl are usually found in January or February, booked 89 days in advance, depart on a Friday or Thursday and return on a Monday

Cheap flight deals from Las Vegas to Seattle

Cheapest flights from Las Vegas to SeattleExplore the most affordable flight options available from Las Vegas to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 28, 2025.

Explore the most affordable flight options available from Las Vegas to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 28, 2025.

Find flight deals from Las Vegas to Seattle

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Best time to book a flight from Las Vegas to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Las Vegas with our price prediction graph.

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Everything you need to know about your flight from Las Vegas to Seattle

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Weekly flight availability from Las Vegas to Seattle

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The best insider tips for Las Vegas to Seattle flights

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Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to Seattle trip

Airlines

Frontier

Alaska Airlines

Spirit Airlines

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SEA

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Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Las Vegas to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Top 6 airlines flying from Las Vegas to Seattle

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Cheapest flights from Las Vegas to Seattle
Explore the most affordable flight options available from Las Vegas to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 28, 2025.