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Cheap flights from Las Vegas to Seattle from $40

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 2/2. 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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Find the cheapest flights from Las Vegas to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:51 pm - 7:47 pm
LAS
-
SEA
2h 56mnonstop
Frontier Logo
9:23 pm - 11:59 pm
SEA
-
LAS
2h 36mnonstop
$55Frontier
Fri, Jan 9 - Sun, Jan 11
Frontier Logo
2:42 pm - 5:37 pm
LAS
-
SEA
2h 55mnonstop
Frontier Logo
9:23 pm - 11:59 pm
SEA
-
LAS
2h 36mnonstop
$56Frontier
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
6:15 am - 9:04 am
LAS
-
SEA
2h 49mnonstop
Frontier Logo
9:23 pm - 11:59 pm
SEA
-
LAS
2h 36mnonstop
$57Frontier
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
6:45 am - 9:36 am
LAS
-
SEA
2h 51mnonstop
Frontier Logo
9:25 pm - 11:59 pm
SEA
-
LAS
2h 34mnonstop
$58Frontier
Thu, Jan 29 - Sun, Feb 1
Frontier Logo
6:45 am - 9:36 am
LAS
-
SEA
2h 51mnonstop
Frontier Logo
9:25 pm - 11:59 pm
SEA
-
LAS
2h 34mnonstop
$59Frontier
Thu, Jan 29 - Thu, Feb 5
Frontier Logo
9:00 am - 11:56 am
LAS
-
SEA
2h 56mnonstop
Frontier Logo
9:25 pm - 11:59 pm
SEA
-
LAS
2h 34mnonstop
$67Frontier
Mon, Feb 2 - Thu, Feb 5
Frontier Logo
4:59 pm - 7:51 pm
LAS
-
SEA
2h 52mnonstop
Frontier Logo
9:25 pm - 11:59 pm
SEA
-
LAS
2h 34mnonstop
$68Frontier
Thu, Jan 15 - Thu, Jan 22
Frontier Logo
6:45 am - 9:36 am
LAS
-
SEA
2h 51mnonstop
Frontier Logo
10:51 am - 1:33 pm
SEA
-
LAS
2h 42mnonstop
$69Frontier
Mon, Jan 19 - Mon, Jan 19
Frontier Logo
8:00 am - 10:54 am
LAS
-
SEA
2h 54mnonstop
Frontier Logo
6:30 pm - 9:05 pm
SEA
-
LAS
2h 35mnonstop
$70Frontier
Tue, Feb 17 - Tue, Feb 17
Frontier Logo
2:32 pm - 5:25 pm
LAS
-
SEA
2h 53mnonstop
Frontier Logo
9:35 pm - 12:09 am
SEA
-
LAS
2h 34mnonstop
$75Frontier
Fri, Mar 20 - Sun, Mar 22

Frontier flights from Las Vegas to Seattle

Our best Frontier deals on Las Vegas to Seattle flight tickets
Frontier
Jan 9
LAS4:51 pmLas Vegas Harry Reid Intl
2h 56m
SEA7:47 pmSeattle/Tacoma Intl
Jan 11
SEA9:23 pmSeattle/Tacoma Intl
2h 36m
LAS11:59 pmLas Vegas Harry Reid Intl
$55
Find similar
Frontier
Jan 23
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
$56
Find similar
Frontier
Jan 8
LAS6:15 amLas Vegas Harry Reid Intl
2h 49m
SEA9:04 amSeattle/Tacoma Intl
Jan 11
SEA9:23 pmSeattle/Tacoma Intl
2h 36m
LAS11:59 pmLas Vegas Harry Reid Intl
$57
Find similar

Hawaiian Airlines flights from Las Vegas to Seattle

Our best Hawaiian Airlines deals on Las Vegas to Seattle flight tickets
Hawaiian Airlines
Jan 14
LAS3:58 pmLas Vegas Harry Reid Intl
2h 52m
SEA6:50 pmSeattle/Tacoma Intl
Jan 17
SEA8:40 pmSeattle/Tacoma Intl
2h 32m
LAS11:12 pmLas Vegas Harry Reid Intl
$113
Find similar
Hawaiian Airlines
Jan 14
LAS8:50 amLas Vegas Harry Reid Intl
7h 31m
1 stop
SEA4:21 pmSeattle/Tacoma Intl
Jan 17
SEA8:40 pmSeattle/Tacoma Intl
2h 32m
LAS11:12 pmLas Vegas Harry Reid Intl
$124
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Las Vegas to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 1/9

4:51 pm-7:47 pm

Nonstop2h 56m

Seattle/Tacoma Intl

Sun 1/11

9:23 pm-11:59 pm

Nonstop2h 36m

$55

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 1/8

2:42 pm-5:37 pm

Nonstop2h 55m

Seattle/Tacoma Intl

Sun 1/11

9:23 pm-11:59 pm

Nonstop2h 36m

$56

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 1/8

6:15 am-9:04 am

Nonstop2h 49m

Seattle/Tacoma Intl

Sun 1/11

9:23 pm-11:59 pm

Nonstop2h 36m

$57

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 1/29

6:45 am-9:36 am

Nonstop2h 51m

Seattle/Tacoma Intl

Sun 2/1

9:25 pm-11:59 pm

Nonstop2h 34m

$58

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 1/29

6:45 am-9:36 am

Nonstop2h 51m

Seattle/Tacoma Intl

Thu 2/5

9:25 pm-11:59 pm

Nonstop2h 34m

$59

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Mon 2/2

9:00 am-11:56 am

Nonstop2h 56m

Seattle/Tacoma Intl

Thu 2/5

9:25 pm-11:59 pm

Nonstop2h 34m

$67

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 1/15

4:59 pm-7:51 pm

Nonstop2h 52m

Seattle/Tacoma Intl

Thu 1/22

9:25 pm-11:59 pm

Nonstop2h 34m

$68

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Mon 1/19

6:45 am-9:36 am

Nonstop2h 51m

Seattle/Tacoma Intl

Mon 1/19

10:51 am-1:33 pm

Nonstop2h 42m

$69

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Tue 2/17

8:00 am-10:54 am

Nonstop2h 54m

Seattle/Tacoma Intl

Tue 2/17

6:30 pm-9:05 pm

Nonstop2h 35m

$70

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 3/20

2:32 pm-5:25 pm

Nonstop2h 53m

Seattle/Tacoma Intl

Sun 3/22

9:35 pm-12:09 am

Nonstop2h 34m

$75

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 $139. 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 $144.

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 $212. 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 $588.

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 $237 when looking at flights departing at noon. Flights to Seattle are more costly in the evening, with an average ticket price of $322. Departure times in the evening 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 50% 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

$84

Fastest flight time

2h 46m

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 $84. The best round-trip flight deal from Las Vegas to Seattle found on momondo in the last 72 hours is $119.
The fastest flight from Las Vegas to Seattle takes 2h 46m
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 46m.

  • 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 $51Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $58Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $103Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $106Free CancellationRating
7.9
8,005 reviews
Search Delta flights
SouthwestPriceFrom $117Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $119Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Las Vegas to Seattle

    Alaska Airlines is one of the most popular airlines flying from Las Vegas to Seattle, operating 10 flights/week on average for this route. A good Alaska Airlines flight deal for Las Vegas to Seattle starts from $119 round-trip, up to an average price of $206. Our users have rated Alaska Airlines at 8.0/10.

  • Delta Flights From Las Vegas to Seattle

    $106 is the best Delta flight deal from Las Vegas to Seattle found on momondo over the last 72 hours. The average Delta ticket price found was closer to $204, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 8,005 user reviews) flies into Seattle from Las Vegas 14 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
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Tukwila
Cle Elum
Federal Way
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.

An easier way to manage your Seattle trip

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