Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Las Vegas to Seattle
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Hawaiian Airlines flights from Las Vegas to Seattle
Our best Hawaiian Airlines deals on Las Vegas to Seattle flight tickets
Southwest flights from Las Vegas to Seattle
Our best Southwest deals on Las Vegas to Seattle flight tickets
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$ 148.
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$ 70. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 180. 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$ 129. Flights in the morning are often more expensive with an average ticket price of C$ 142.
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 5 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 205 when searching 5 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$ 135 on momondo.
What cabin class options are available on Las Vegas Harry Reid Intl to Seattle/Tacoma Intl flights?
There are 2 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 many flights depart from Las Vegas to Seattle on average per day?
The number of flights available between Las Vegas and Seattle is 32 per day as of June 2025. The most frequent departure time is 6:00a.m., with 56% of daily flights leaving at noon.
How many flights depart from Las Vegas to Seattle on average per week?
The number of flights available between Las Vegas and Seattle is 230 per week as of June 2025. The most frequent departure day is Thu, with 29% of weekly flights leaving on this day.
When to book flights from Las Vegas to Seattle
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
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 35m, 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?
Based on momondo bookings for flights between Las Vegas and Seattle, the leading plane model is Airbus A320neo, making up 20.04% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 17.90%, Boeing 737-900 with 12.91%, and Airbus A321neo with 10.74%.
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy 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.