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Cheap flights from Las Vegas to Seattle from $42

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 7/29. 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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0 bags

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Cheap round-trip flights

Spirit Airlines Logo
1:40 pm - 4:25 pmLAS-SEA
2h 45mnonstop
Spirit Airlines Logo
5:30 pm - 7:58 pmSEA-LAS
2h 28mnonstop
$85Spirit Airlines
Find Deal
Tue, Jul 22 - Wed, Jul 23
Spirit Airlines Logo
1:40 pm - 4:25 pmLAS-SEA
2h 45mnonstop
Spirit Airlines Logo
5:30 pm - 7:58 pmSEA-LAS
2h 28mnonstop
$96Spirit Airlines
Find Deal
Tue, Jul 29 - Tue, Aug 5
 Logo
1:40 pm - 4:25 pmLAS-SEA
2h 45mnonstop
 Logo
6:25 am - 3:07 pmSEA-LAS
8h 42m1 stop
Tue, Jul 29 - Sat, Aug 2
Spirit Airlines Logo
1:40 pm - 4:25 pmLAS-SEA
2h 45mnonstop
Spirit Airlines Logo
5:30 pm - 7:58 pmSEA-LAS
2h 28mnonstop
$104Spirit Airlines
Find Deal
Sat, Jul 19 - Sun, Jul 20
Spirit Airlines Logo
1:40 pm - 4:25 pmLAS-SEA
2h 45mnonstop
Spirit Airlines Logo
5:30 pm - 7:58 pmSEA-LAS
2h 28mnonstop
$106Spirit Airlines
Find Deal
Tue, Aug 5 - Sun, Aug 10
 Logo
1:40 pm - 4:25 pmLAS-SEA
2h 45mnonstop
 Logo
6:25 am - 3:07 pmSEA-LAS
8h 42m1 stop
Mon, Aug 11 - Sat, Aug 16
Frontier Logo
10:57 am - 7:42 pmLAS-SEA
8h 45m1 stop
Frontier Logo
6:41 am - 1:07 pmSEA-LAS
6h 26m1 stop
$118Frontier
Find Deal
Sat, Aug 23 - Tue, Aug 26
Frontier Logo
4:07 pm - 11:42 pmLAS-SEA
7h 35m1 stop
Frontier Logo
6:25 am - 3:07 pmSEA-LAS
8h 42m1 stop
$125Frontier
Find Deal
Sat, Aug 9 - Tue, Aug 12
Delta Logo
3:40 pm - 6:23 pmLAS-SEA
2h 43mnonstop
Delta Logo
10:05 am - 12:49 pmSEA-LAS
2h 44mnonstop
$157Delta
Find Deal
Fri, Aug 22 - Tue, Aug 26
Alaska Airlines Logo
6:00 am - 8:45 amLAS-SEA
2h 45mnonstop
Alaska Airlines Logo
11:25 am - 6:46 pmSEA-LAS
7h 21m1 stop
$161Alaska Airlines
Find Deal
Tue, Aug 5 - Tue, Aug 5

Spirit Airlines flights from Las Vegas to Seattle

Our best Spirit Airlines deals on Las Vegas to Seattle flight tickets
Spirit Airlines
Jul 22
LAS1:40 pmLas Vegas Harry Reid Intl
2h 45m
SEA4:25 pmSeattle/Tacoma Intl
Jul 23
SEA5:30 pmSeattle/Tacoma Intl
2h 28m
LAS7:58 pmLas Vegas Harry Reid Intl
Spirit Airlines
Jul 29
LAS1:40 pmLas Vegas Harry Reid Intl
2h 45m
SEA4:25 pmSeattle/Tacoma Intl
Aug 5
SEA5:30 pmSeattle/Tacoma Intl
2h 28m
LAS7:58 pmLas Vegas Harry Reid Intl
Spirit Airlines
Jul 19
LAS1:40 pmLas Vegas Harry Reid Intl
2h 45m
SEA4:25 pmSeattle/Tacoma Intl
Jul 20
SEA5:30 pmSeattle/Tacoma Intl
2h 28m
LAS7:58 pmLas Vegas Harry Reid Intl

Frontier flights from Las Vegas to Seattle

Our best Frontier deals on Las Vegas to Seattle flight tickets
Frontier
Aug 23
LAS10:57 amLas Vegas Harry Reid Intl
8h 45m
1 stop
SEA7:42 pmSeattle/Tacoma Intl
Aug 26
SEA6:41 amSeattle/Tacoma Intl
6h 26m
1 stop
LAS1:07 pmLas Vegas Harry Reid Intl
Frontier
Aug 9
LAS4:07 pmLas Vegas Harry Reid Intl
7h 35m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
Aug 12
SEA6:25 amSeattle/Tacoma Intl
8h 42m
1 stop
LAS3:07 pmLas Vegas Harry Reid Intl
Frontier
Aug 21
LAS8:21 amLas Vegas Harry Reid Intl
7h 24m
1 stop
SEA3:45 pmSeattle/Tacoma Intl
Aug 24
SEA3:25 pmSeattle/Tacoma Intl
2h 45m
LAS6:10 pmLas Vegas Harry Reid Intl

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

What is the cheapest month to fly to Seattle?

In general, October 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 $97. If you don’t want to visit Seattle in October, then you should wait until September to fly from Las Vegas, when ticket prices are also cheap, with an average price of $108.

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 $195. 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 $583.

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

Flying to Seattle from Las Vegas in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $176 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $325. Departure times in the morning 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 $150 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 $102 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 July 2025, prices for Las Vegas to Seattle flights are approximately 23% cheaper 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

$42

Fastest flight time

2h 38m

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 $42. The best round-trip flight deal from Las Vegas to Seattle found on momondo in the last 72 hours is $85.
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)

  • 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 43m.

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $38Free CancellationRating
5.9
3,291 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $41Free CancellationRating
6.3
8,101 reviews
Search Spirit Airlines flights
DeltaPriceFrom $97Free CancellationRating
8.0
7,973 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $103Free CancellationRating
7.8
2,539 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $116Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $118Free CancellationRating
8.0
4,273 reviews
Search Southwest flights
  • Delta Flights From Las Vegas to Seattle

    Delta is one of the most popular airlines flying from Las Vegas to Seattle, operating 21 flights/week on average for this route. A good Delta flight deal for Las Vegas to Seattle starts from $97 round-trip, up to an average price of $201. Our users have rated Delta at 8.0/10.

  • Alaska Airlines Flights From Las Vegas to Seattle

    $116 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 $211, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 10,000 user reviews) flies into Seattle from Las Vegas 23 times in an average week so prices can vary.


Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Federal Way
Kent
Lynnwood
Tukwila
Puyallup
Kirkland
Marysville
Lakewood
Fife
Shoreline
Centralia
Cle Elum
Westport
Redmond

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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1 adult
Sun 7/6
Sun 7/13

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