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Cheap flights from Las Vegas to Seattle from C$ 103

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 15/9. 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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Cheap round-trip flights

Frontier Logo
11:48 a.m. - 2:40 p.m.LAS-SEA
2h 52mdirect
Frontier Logo
3:25 p.m. - 6:10 p.m.SEA-LAS
2h 45mdirect
C$ 130Frontier
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Fri, 29 Aug - Sun, 31 Aug
Alaska Airlines Logo
9:45 a.m. - 12:34 p.m.LAS-SEA
2h 49mdirect
Alaska Airlines Logo
3:59 p.m. - 6:38 p.m.SEA-LAS
2h 39mdirect
C$ 197Alaska Airlines
Find Deal
Sat, 6 Sep - Sat, 6 Sep
Logo
11:26 a.m. - 5:50 p.m.LAS-SEA
6h 24m1 stop
Logo
3:25 p.m. - 6:10 p.m.SEA-LAS
2h 45mdirect
C$ 204
Find Deal
Fri, 29 Aug - Sun, 31 Aug
Delta Logo
5:45 a.m. - 8:19 a.m.LAS-SEA
2h 34mdirect
Delta Logo
7:10 a.m. - 9:49 a.m.SEA-LAS
2h 39mdirect
C$ 206Delta
Find Deal
Sat, 30 Aug - Mon, 1 Sep
Hawaiian Airlines Logo
9:19 p.m. - 11:59 p.m.LAS-SEA
2h 40mdirect
Hawaiian Airlines Logo
4:50 p.m. - 7:29 p.m.SEA-LAS
2h 39mdirect
C$ 211Hawaiian Airlines
Find Deal
Thu, 28 Aug - Mon, 1 Sep
Delta Logo
6:00 a.m. - 8:36 a.m.LAS-SEA
2h 36mdirect
Delta Logo
7:10 a.m. - 9:49 a.m.SEA-LAS
2h 39mdirect
C$ 217Delta
Find Deal
Thu, 21 Aug - Mon, 25 Aug
Delta Logo
6:00 a.m. - 8:36 a.m.LAS-SEA
2h 36mdirect
Delta Logo
5:41 p.m. - 8:17 p.m.SEA-LAS
2h 36mdirect
C$ 219Delta
Find Deal
Sat, 23 Aug - Thu, 4 Sep
Southwest Logo
5:15 p.m. - 12:35 a.m.LAS-SEA
7h 20m1 stop
Southwest Logo
12:35 p.m. - 5:35 p.m.SEA-LAS
5h 00m1 stop
C$ 232Southwest
Find Deal
Fri, 14 Nov - Mon, 17 Nov
Southwest Logo
9:35 p.m. - 12:15 a.m.LAS-SEA
2h 40mdirect
Southwest Logo
5:35 a.m. - 11:40 a.m.SEA-LAS
6h 05m1 stop
C$ 233Southwest
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Fri, 19 Sep - Sun, 28 Sep
Hawaiian Airlines Logo
11:26 a.m. - 5:50 p.m.LAS-SEA
6h 24m1 stop
Hawaiian Airlines Logo
1:30 p.m. - 6:59 p.m.SEA-LAS
5h 29m1 stop
C$ 268Hawaiian Airlines
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Fri, 29 Aug - Sun, 31 Aug

Southwest flights from Las Vegas to Seattle

Our best Southwest deals on Las Vegas to Seattle flight tickets
Southwest
14 Nov
LAS5:15 p.m.Las Vegas Harry Reid Intl
7h 20m
1 stop
SEA12:35 a.m.Seattle/Tacoma Intl
17 Nov
SEA12:35 p.m.Seattle/Tacoma Intl
5h 00m
1 stop
LAS5:35 p.m.Las Vegas Harry Reid Intl
C$ 232
Find similar
Southwest
19 Sep
LAS9:35 p.m.Las Vegas Harry Reid Intl
2h 40m
SEA12:15 a.m.Seattle/Tacoma Intl
28 Sep
SEA5:35 a.m.Seattle/Tacoma Intl
6h 05m
1 stop
LAS11:40 a.m.Las Vegas Harry Reid Intl
C$ 233
Find similar
Southwest
28 Oct
LAS8:10 p.m.Las Vegas Harry Reid Intl
2h 45m
SEA10:55 p.m.Seattle/Tacoma Intl
4 Nov
SEA12:35 p.m.Seattle/Tacoma Intl
6h 35m
2 stops
LAS7:10 p.m.Las Vegas Harry Reid Intl
C$ 237
Find similar

Alaska Airlines flights from Las Vegas to Seattle

Our best Alaska Airlines deals on Las Vegas to Seattle flight tickets
Alaska Airlines
6 Sep
LAS9:45 a.m.Las Vegas Harry Reid Intl
2h 49m
SEA12:34 p.m.Seattle/Tacoma Intl
6 Sep
SEA3:59 p.m.Seattle/Tacoma Intl
2h 39m
LAS6:38 p.m.Las Vegas Harry Reid Intl
C$ 197
Find similar
Alaska Airlines
23 Aug
LAS7:50 a.m.Las Vegas Harry Reid Intl
2h 50m
SEA10:40 a.m.Seattle/Tacoma Intl
23 Aug
SEA2:13 p.m.Seattle/Tacoma Intl
2h 38m
LAS4:51 p.m.Las Vegas Harry Reid Intl
C$ 226
Find similar
Alaska Airlines
26 Sep
LAS7:04 p.m.Las Vegas Harry Reid Intl
2h 49m
SEA9:53 p.m.Seattle/Tacoma Intl
29 Sep
SEA5:59 p.m.Seattle/Tacoma Intl
6h 00m
1 stop
LAS11:59 p.m.Las Vegas Harry Reid Intl
C$ 239
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 96,600 searches. Data last updated 31 July 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 29/8

11:48 a.m.-2:40 p.m.

Nonstop2h 52m

Seattle/Tacoma Intl

Sun 31/8

3:25 p.m.-6:10 p.m.

Nonstop2h 45m

C$ 130

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 6/9

9:45 a.m.-12:34 p.m.

Nonstop2h 49m

Seattle/Tacoma Intl

Sat 6/9

3:59 p.m.-6:38 p.m.

Nonstop2h 39m

C$ 197

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 29/8

11:26 a.m.-5:50 p.m.

1 stop6h 24m

Seattle/Tacoma Intl

Sun 31/8

3:25 p.m.-6:10 p.m.

Nonstop2h 45m

C$ 204

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 30/8

5:45 a.m.-8:19 a.m.

Nonstop2h 34m

Seattle/Tacoma Intl

Mon 1/9

7:10 a.m.-9:49 a.m.

Nonstop2h 39m

C$ 206

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 28/8

9:19 p.m.-11:59 p.m.

Nonstop2h 40m

Seattle/Tacoma Intl

Mon 1/9

4:50 p.m.-7:29 p.m.

Nonstop2h 39m

C$ 211

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 21/8

6:00 a.m.-8:36 a.m.

Nonstop2h 36m

Seattle/Tacoma Intl

Mon 25/8

7:10 a.m.-9:49 a.m.

Nonstop2h 39m

C$ 217

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 23/8

6:00 a.m.-8:36 a.m.

Nonstop2h 36m

Seattle/Tacoma Intl

Thu 4/9

5:41 p.m.-8:17 p.m.

Nonstop2h 36m

C$ 219

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 14/11

5:15 p.m.-12:35 a.m.

1 stop7h 20m

Seattle/Tacoma Intl

Mon 17/11

12:35 p.m.-5:35 p.m.

1 stop5h 00m

C$ 232

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 19/9

9:35 p.m.-12:15 a.m.

Nonstop2h 40m

Seattle/Tacoma Intl

Sun 28/9

5:35 a.m.-11:40 a.m.

1 stop6h 05m

C$ 233

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Fri 29/8

11:26 a.m.-5:50 p.m.

1 stop6h 24m

Seattle/Tacoma Intl

Sun 31/8

1:30 p.m.-6:59 p.m.

1 stop5h 29m

C$ 268

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?

If you aren’t able to travel to Seattle during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 163.

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

Our data shows that Sunday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 71. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around C$ 214. 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$ 131. Flights in the evening are often more expensive with an average ticket price of C$ 214.

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$ 210 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$ 152 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?

No. A direct flight is the cheapest option for a flight between Las Vegas to Seattle.

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

As of July 2025, prices for Las Vegas to Seattle flights are approximately 4% 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

C$ 103

Fastest flight time

2h 34m

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 C$ 103. The best round-trip flight deal from Las Vegas to Seattle found on momondo in the last 72 hours is C$ 130.
The fastest flight from Las Vegas to Seattle takes 2h 34m
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 36m, 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?

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Marysville
Lynnwood
SeaTac
Tacoma
Olympia
Ellensburg
Kirkland
Redmond
Ocean Shores
Shoreline
Tukwila
Renton
Mukilteo
Gig Harbor
Cle Elum
Poulsbo
Puyallup
Centralia
Kent

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.

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