Cheap flights from Knoxville to Seattle from $141
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Seattle departing on 5/5. 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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How to get the cheapest flight ticket from Knoxville 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, October is the cheapest month to fly from Knoxville to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $614. If you don’t want to visit Seattle in October, then you should wait until September to fly from Knoxville, when ticket prices are also cheap, with an average price of $618.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Knoxville is on a Friday. momondo users have found tickets for Friday departures for as low as $596. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $746.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Knoxville in the evening is the least expensive time of day to depart. momondo users have found prices as low as $327 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $697. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Knoxville when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $672 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Knoxville for as low as $553 on momondo.
What is the cheapest airline that flies from Knoxville McGhee Tyson to Seattle/Tacoma Intl?
Frontier, Delta, and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson to Seattle/Tacoma Intl
What airlines fly to Seattle?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Seattle from Knoxville according to our data. American Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
When to book flights from Knoxville to Seattle
Cheap Knoxville to Seattle (TYS to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to Seattle
How far is Knoxville McGhee Tyson to Seattle/Tacoma Intl by plane?
The distance between Knoxville McGhee Tyson and Seattle/Tacoma Intl is about 2108.9 mi. Flights usually cover this in 7h 13m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Seattle/Tacoma Intl Airport?
There are 4 operators available for flights from Knoxville McGhee Tyson Airport to Seattle/Tacoma Intl Airport as of April 2025.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Knoxville to Seattle?
Based on momondo bookings for flights between Knoxville and Seattle, the leading airline is American Airlines, making up 56% of the total bookings. Other popular airlines include United Airlines with 20%, Delta with 15%, and Frontier with 8%.
Best airlines flying from Knoxville to Seattle
Compare and see reviews for airlines that fly from Knoxville to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $123 | Free Cancellation | Rating 5.9 3,278 reviews | |||
| PriceFrom $382 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $508 | Free Cancellation | Rating 7.4 8,629 reviews | |||
| PriceFrom $548 | Free Cancellation | Rating 8.0 7,901 reviews |
Traveling 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 Knoxville to Seattle?
Finding the right flight to Seattle from Knoxville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.
Can I find flights from Knoxville to Seattle with flexible booking policies on momondo?
Yes. All flights to Seattle from Knoxville on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Knoxville to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from Knoxville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Knoxville to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Knoxville to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.