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Cheap flights from Las Vegas to Seattle from $49

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 4/13. 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
5:12 pm - 8:08 pm
LAS
-
SEA
2h 56mnonstop
Frontier Logo
9:14 pm - 11:48 pm
SEA
-
LAS
2h 34mnonstop
$57Frontier
ה', פב​​​​​​​' 26 - ב', מרץ 2
Frontier Logo
5:22 pm - 8:20 pm
LAS
-
SEA
2h 58mnonstop
Frontier Logo
9:35 pm - 12:15 am
SEA
-
LAS
2h 40mnonstop
$71Frontier
ה', מאי 7 - ב', מאי 11
Frontier Logo
5:22 pm - 8:20 pm
LAS
-
SEA
2h 58mnonstop
Frontier Logo
9:35 pm - 12:15 am
SEA
-
LAS
2h 40mnonstop
$72Frontier
ה', אפר' 16 - א', אפר' 19
Frontier Logo
2:46 pm - 5:39 pm
LAS
-
SEA
2h 53mnonstop
Frontier Logo
9:36 pm - 12:10 am
SEA
-
LAS
2h 34mnonstop
$76Frontier
ו', מרץ 20 - ב', מרץ 23
Frontier Logo
5:24 pm - 8:20 pm
LAS
-
SEA
2h 56mnonstop
Frontier Logo
9:35 pm - 12:09 am
SEA
-
LAS
2h 34mnonstop
$81Frontier
ה', מרץ 12 - א', מרץ 15
Frontier Logo
5:22 pm - 8:20 pm
LAS
-
SEA
2h 58mnonstop
Frontier Logo
9:35 pm - 12:15 am
SEA
-
LAS
2h 40mnonstop
$82Frontier
ה', מאי 14 - א', מאי 17
Frontier Logo
12:59 am - 9:27 am
LAS
-
SEA
8h 28m
1 stop
Frontier Logo
9:35 pm - 12:15 am
SEA
-
LAS
2h 40mnonstop
$86Frontier
ב', אפר' 13 - א', אפר' 19
Frontier Logo
2:46 pm - 5:39 pm
LAS
-
SEA
2h 53mnonstop
Frontier Logo
9:35 pm - 12:09 am
SEA
-
LAS
2h 34mnonstop
$87Frontier
ו', מרץ 13 - א', מרץ 15
Frontier Logo
5:22 pm - 8:20 pm
LAS
-
SEA
2h 58mnonstop
Frontier Logo
9:35 pm - 12:15 am
SEA
-
LAS
2h 40mnonstop
$88Frontier
ה', מאי 7 - א', מאי 10
Frontier Logo
2:46 pm - 5:39 pm
LAS
-
SEA
2h 53mnonstop
Frontier Logo
9:36 pm - 12:10 am
SEA
-
LAS
2h 34mnonstop
$91Frontier
ו', מרץ 6 - ו', מרץ 13

Frontier flights from Las Vegas to Seattle

Our best Frontier deals on Las Vegas to Seattle flight tickets
Frontier
Feb 26
LAS5:12 pmLas Vegas Harry Reid Intl
2h 56m
SEA8:08 pmSeattle/Tacoma Intl
Mar 2
SEA9:14 pmSeattle/Tacoma Intl
2h 34m
LAS11:48 pmLas Vegas Harry Reid Intl
$57
Frontier
May 7
LAS5:22 pmLas Vegas Harry Reid Intl
2h 58m
SEA8:20 pmSeattle/Tacoma Intl
May 11
SEA9:35 pmSeattle/Tacoma Intl
2h 40m
LAS12:15 amLas Vegas Harry Reid Intl
$71
Frontier
Apr 16
LAS5:22 pmLas Vegas Harry Reid Intl
2h 58m
SEA8:20 pmSeattle/Tacoma Intl
Apr 19
SEA9:35 pmSeattle/Tacoma Intl
2h 40m
LAS12:15 amLas Vegas Harry Reid Intl
$72

Hawaiian Airlines flights from Las Vegas to Seattle

Our best Hawaiian Airlines deals on Las Vegas to Seattle flight tickets
Hawaiian Airlines
Feb 27
LAS11:59 amLas Vegas Harry Reid Intl
2h 54m
SEA2:53 pmSeattle/Tacoma Intl
Mar 8
SEA4:31 pmSeattle/Tacoma Intl
2h 34m
LAS7:05 pmLas Vegas Harry Reid Intl
$126
Hawaiian Airlines
Feb 26
LAS10:02 amLas Vegas Harry Reid Intl
2h 54m
SEA12:56 pmSeattle/Tacoma Intl
Mar 2
SEA9:22 pmSeattle/Tacoma Intl
2h 33m
LAS11:55 pmLas Vegas Harry Reid Intl
$127

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 פברואר 8, 2026.
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

ה' 2/26

5:12 pm-8:08 pm

Nonstop2h 56m

Seattle/Tacoma Intl

ב' 3/2

9:14 pm-11:48 pm

Nonstop2h 34m

$57

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ה' 5/7

5:22 pm-8:20 pm

Nonstop2h 58m

Seattle/Tacoma Intl

ב' 5/11

9:35 pm-12:15 am

Nonstop2h 40m

$71

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ה' 4/16

5:22 pm-8:20 pm

Nonstop2h 58m

Seattle/Tacoma Intl

א' 4/19

9:35 pm-12:15 am

Nonstop2h 40m

$72

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ו' 3/20

2:46 pm-5:39 pm

Nonstop2h 53m

Seattle/Tacoma Intl

ב' 3/23

9:36 pm-12:10 am

Nonstop2h 34m

$76

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ה' 3/12

5:24 pm-8:20 pm

Nonstop2h 56m

Seattle/Tacoma Intl

א' 3/15

9:35 pm-12:09 am

Nonstop2h 34m

$81

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ה' 5/14

5:22 pm-8:20 pm

Nonstop2h 58m

Seattle/Tacoma Intl

א' 5/17

9:35 pm-12:15 am

Nonstop2h 40m

$82

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ב' 4/13

12:59 am-9:27 am

1 stop8h 28m

Seattle/Tacoma Intl

א' 4/19

9:35 pm-12:15 am

Nonstop2h 40m

$86

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ו' 3/13

2:46 pm-5:39 pm

Nonstop2h 53m

Seattle/Tacoma Intl

א' 3/15

9:35 pm-12:09 am

Nonstop2h 34m

$87

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ה' 5/7

5:22 pm-8:20 pm

Nonstop2h 58m

Seattle/Tacoma Intl

א' 5/10

9:35 pm-12:15 am

Nonstop2h 40m

$88

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

ו' 3/6

2:46 pm-5:39 pm

Nonstop2h 53m

Seattle/Tacoma Intl

ו' 3/13

9:36 pm-12:10 am

Nonstop2h 34m

$91

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, February 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 $137. If you don’t want to visit Seattle in February, then you should wait until October to fly from Las Vegas, when ticket prices are also cheap, with an average price of $149.

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 $201. 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 $546.

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 $215 when looking at flights departing at noon. Flights to Seattle are more costly in the evening, with an average ticket price of $328. 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 $132 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 February 2026, prices for Las Vegas to Seattle flights are approximately 5% 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

$127

Fastest flight time

2h 41m

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 $127. The best round-trip flight deal from Las Vegas to Seattle found on momondo in the last 72 hours is $130.
The fastest flight from Las Vegas to Seattle takes 2h 41m
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 41m.

  • 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 $47Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $58Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $79Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $94Free CancellationRating
7.9
8,173 reviews
Search Delta flights
SouthwestPriceFrom $104Free CancellationRating
8.0
4,281 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $112Free CancellationRating
8.0
11,851 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 12 flights/week on average for this route. A good Southwest flight deal for Las Vegas to Seattle starts from $104 round-trip, up to an average price of $210. Our users have rated Southwest at 8.0/10.

  • Alaska Airlines Flights From Las Vegas to Seattle

    $112 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 $208, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 11,850 user reviews) flies into Seattle from Las Vegas 12 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
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
Tumwater

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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