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Cheap flights from Knoxville to Seattle (TYS - SEA) from $135

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
TYS — SEA
May 18 — May 251
From?
To?
Sat 5/18
Sat 5/25
1 adult, Economy
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The best prices from Knoxville McGhee Tyson to Seattle/Tacoma Intl are usually found in October or September, booked 25 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Knoxville to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 13, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$247

One-way from

$220
High demand for flights, 17% potential price rise
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Best time to find cheap flights, 10% potential price drop
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From Knoxville McGhee Tyson to Seattle/Tacoma Intl
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One-way flight from Knoxville McGhee Tyson to Seattle/Tacoma Intl
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What is the cheapest day to fly round-trip from Knoxville to Seattle?

Flights from Knoxville to Seattle are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

How far in advance should I book a flight from Knoxville to Seattle?

Find a great deal and save up to 605% by booking at least 26 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Knoxville to Seattle within the next two weeks, with the cheapest ticket starting at $567.

What is the cheapest month to fly from Knoxville to Seattle?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to Seattle. Flights to Seattle from Knoxville in October are about $634 on average during October, but can be found for as low as $305.

When is the cheapest time to fly from Knoxville to Seattle (TYS - SEA)?

It’s typically best to fly out from Knoxville to Seattle in the evening. Doing so could potentially save you 37% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Frontier flights from Knoxville to Seattle

Explore cheap flight options specifically provided by Frontier for the route between Knoxville and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Take a peek at the cheapest Frontier flights we've detected traveling from Knoxville to Seattle. Come back soon if you're not finding the exact deal you're looking for.
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Mon 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/13$222
Sat 6/15:13 pmTYS - SEA
1 stop16h 51mFrontier
Sun 6/29:39 pmSEA - TYS
1 stop9h 21mFrontier
Deal found 5/13$230
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Tue 6/188:12 pmSEA - TYS
1 stop19h 35mFrontier
Deal found 5/13$240
Fri 6/1410:32 pmTYS - SEA
1 stop14h 54mFrontier
Tue 6/188:12 pmSEA - TYS
1 stop19h 35mFrontier
Deal found 5/13$253
Fri 6/1410:32 pmTYS - SEA
1 stop14h 54mFrontier
Mon 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/13$254
Sat 8/315:40 pmTYS - SEA
1 stop17h 57mFrontier
Sun 9/89:37 amSEA - TYS
1 stop28h 40mFrontier
Deal found 5/12$269
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Thu 6/137:49 pmSEA - TYS
1 stop22h 41mFrontier
Deal found 5/12$280
Fri 6/710:32 pmTYS - SEA
1 stop14h 54mFrontier
Wed 6/127:59 amSEA - TYS
1 stop7h 48mFrontier
Deal found 5/13$282
Sat 6/85:51 pmTYS - SEA
1 stop18h 19mFrontier
Mon 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/12$285

Cheap American Airlines flights from Knoxville to Seattle

Explore cheap flight options specifically provided by American Airlines for the route between Knoxville and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Knoxville to Seattle. Deals are refreshing constantly so come back soon for more options.
Sat 8/3111:40 amTYS - SEA
1 stop10h 40mAmerican Airlines
Sat 9/76:36 amSEA - TYS
1 stop11h 40mAmerican Airlines
Deal found 5/12$327
Wed 6/1211:42 amTYS - SEA
1 stop13h 15mAmerican Airlines
Sun 6/165:10 amSEA - TYS
1 stop12h 55mAmerican Airlines
Deal found 5/13$347
Sun 8/2511:40 amTYS - SEA
1 stop10h 40mAmerican Airlines
Wed 9/46:36 amSEA - TYS
1 stop11h 40mAmerican Airlines
Deal found 5/12$402
Fri 9/2711:43 amTYS - SEA
1 stop14h 02mAmerican Airlines
Sun 9/296:36 amSEA - TYS
1 stop11h 40mAmerican Airlines
Deal found 5/11$422
Wed 6/1911:42 amTYS - SEA
1 stop13h 15mAmerican Airlines
Mon 6/245:10 amSEA - TYS
1 stop12h 55mAmerican Airlines
Deal found 5/12$462
Thu 6/2011:42 amTYS - SEA
1 stop13h 15mAmerican Airlines
Mon 6/245:10 amSEA - TYS
1 stop12h 55mAmerican Airlines
Deal found 5/12$477
Sun 5/195:30 amTYS - SEA
1 stop10h 23mAmerican Airlines
Fri 5/2411:59 pmSEA - TYS
1 stop12h 55mAmerican Airlines
Deal found 5/12$1,022
Sun 5/195:30 amTYS - SEA
1 stop8h 19mAmerican Airlines
Fri 5/2411:59 pmSEA - TYS
1 stop12h 55mAmerican Airlines
Deal found 5/13$1,062
Sun 5/195:30 amTYS - SEA
1 stop10h 23mAmerican Airlines
Thu 5/231:32 amSEA - TYS
1 stop7h 09mAmerican Airlines
Deal found 5/12$1,108

Cheap Knoxville to Seattle flights in May & June 2024

Find cheap flight options from Knoxville to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Prices were last updated on May 13, 2024.
Listed are some of the best fares we've found on flights departing from Knoxville to Seattle in 2024. For more flight deals, be sure to check back very soon.
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Mon 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/13$222
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Tue 6/188:12 pmSEA - TYS
1 stop19h 35mFrontier
Deal found 5/13$240
Fri 6/1410:32 pmTYS - SEA
1 stop14h 54mFrontier
Tue 6/188:12 pmSEA - TYS
1 stop19h 35mFrontier
Deal found 5/13$253
Fri 6/1410:32 pmTYS - SEA
1 stop14h 54mFrontier
Mon 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/13$254
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Thu 6/137:49 pmSEA - TYS
1 stop22h 41mFrontier
Deal found 5/12$280
Sat 6/85:51 pmTYS - SEA
1 stop18h 19mFrontier
Mon 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/12$285
Fri 5/179:02 pmTYS - SEA
1 stop15h 20mFrontier
Sun 5/199:39 pmSEA - TYS
1 stop16h 59mFrontier
Deal found 5/12$287
Tue 6/1110:00 amTYS - SEA
3 stops25h 32mMultiple Airlines
Sun 6/1611:59 pmSEA - TYS
1 stop8h 14mMultiple Airlines
Deal found 5/13$288
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Thu 6/207:49 pmSEA - TYS
1 stop22h 41mFrontier
Deal found 5/13$289

Knoxville to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Knoxville and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Listed are some of the best fares we've found on flights departing from Knoxville to Seattle in 2024. For more flight deals, be sure to check back very soon.
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Mon 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/13$222
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Tue 6/188:12 pmSEA - TYS
1 stop19h 35mFrontier
Deal found 5/13$240
Fri 6/1410:32 pmTYS - SEA
1 stop14h 54mFrontier
Tue 6/188:12 pmSEA - TYS
1 stop19h 35mFrontier
Deal found 5/13$253
Fri 6/1410:32 pmTYS - SEA
1 stop14h 54mFrontier
Mon 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/13$254
Sat 8/315:40 pmTYS - SEA
1 stop17h 57mFrontier
Sun 9/89:37 amSEA - TYS
1 stop28h 40mFrontier
Deal found 5/12$269
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Thu 6/137:49 pmSEA - TYS
1 stop22h 41mFrontier
Deal found 5/12$280
Sat 6/85:51 pmTYS - SEA
1 stop18h 19mFrontier
Mon 6/177:56 amSEA - TYS
1 stop10h 43mFrontier
Deal found 5/12$285
Fri 5/179:02 pmTYS - SEA
1 stop15h 20mFrontier
Sun 5/199:39 pmSEA - TYS
1 stop16h 59mFrontier
Deal found 5/12$287
Tue 6/1110:00 amTYS - SEA
3 stops25h 32mMultiple Airlines
Sun 6/1611:59 pmSEA - TYS
1 stop8h 14mMultiple Airlines
Deal found 5/13$288

Knoxville to Seattle flights leaving soon

Find last-minute flight options from Knoxville to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Consider one of these great deals we found on last-minute flights from Knoxville to Seattle. Users should examine the flight details to ensure there are no surprises.
Sun 5/195:30 amTYS - SEA
1 stop10h 23mAmerican Airlines
Fri 5/2411:59 pmSEA - TYS
1 stop12h 55mAmerican Airlines
Deal found 5/12$1,022
Sun 5/195:30 amTYS - SEA
1 stop8h 19mAmerican Airlines
Fri 5/2411:59 pmSEA - TYS
1 stop12h 55mAmerican Airlines
Deal found 5/13$1,062
Sun 5/195:30 amTYS - SEA
1 stop10h 23mAmerican Airlines
Thu 5/231:32 amSEA - TYS
1 stop7h 09mAmerican Airlines
Deal found 5/12$1,108
Sun 5/195:30 amTYS - SEA
1 stop8h 19mAmerican Airlines
Thu 5/231:32 amSEA - TYS
2 stops9h 41mAmerican Airlines
Deal found 5/12$1,112
Sun 5/195:19 amTYS - SEA
2 stops10h 34mAmerican Airlines
Fri 5/2411:59 pmSEA - TYS
1 stop19h 42mAmerican Airlines
Deal found 5/13$1,215
Sun 5/192:43 pmTYS - SEA
1 stop7h 48mAmerican Airlines
Thu 5/231:32 amSEA - TYS
1 stop7h 09mAmerican Airlines
Deal found 5/13$1,217
Sun 5/1912:38 pmTYS - SEA
1 stop9h 53mAmerican Airlines
Thu 5/231:32 amSEA - TYS
2 stops9h 41mAmerican Airlines
Deal found 5/13$1,220
Sun 5/195:19 amTYS - SEA
2 stops10h 34mAmerican Airlines
Thu 5/231:32 amSEA - TYS
2 stops9h 41mAmerican Airlines
Deal found 5/13$1,225
Sun 5/197:00 amTYS - SEA
1 stop8h 57mUnited Airlines
Fri 5/2411:05 amSEA - TYS
2 stops9h 23mUnited Airlines
Deal found 5/12$1,903

One-way flights to Seattle from Knoxville

Search for one-way flight options from Knoxville to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Users traveling one-way from Knoxville to Seattle can select one of these great deals. Users can also find round-trip Knoxville to Seattle flights by using the search form above.
Sat 5/185:27 pmTYS - SEA
1 stop16h 37mFrontier
Deal found 5/12$135
Mon 7/296:17 pmTYS - SEA
1 stop17h 20mFrontier
Deal found 5/13$155
Wed 6/128:10 amTYS - SEA
3 stops27h 22mMultiple Airlines
Deal found 5/13$182
Sat 6/85:51 pmTYS - SEA
1 stop18h 19mFrontier
Deal found 5/13$188
Sat 5/185:27 pmTYS - SEA
1 stop16h 37mFrontier
Deal found 5/13$200
Mon 7/297:15 amTYS - SEA
2 stops18h 38mMultiple Airlines
Deal found 5/13$206
Wed 7/316:17 pmTYS - SEA
1 stop17h 20mFrontier
Deal found 5/12$209
Wed 6/129:00 amTYS - SEA
2 stops26h 32mMultiple Airlines
Deal found 5/13$211
Mon 5/206:38 pmTYS - SEA
1 stop27h 36mFrontier
Deal found 5/12$219

Find flights from Knoxville to Seattle within your budget

Customize your flight search to find flights from Knoxville 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, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$222 - $480

Route

Depart

Return

Price

Knoxville McGhee TysonSeattle/Tacoma Intl

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Mon 6/10

1 stop12h 58m

Seattle/Tacoma Intl

Mon 6/17

1 stop10h 43m

$222

Knoxville McGhee TysonSeattle/Tacoma Intl

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Sat 6/1

1 stop16h 51m

Seattle/Tacoma Intl

Sun 6/2

1 stop9h 21m

$230

Knoxville McGhee TysonSeattle/Tacoma Intl

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Mon 6/10

1 stop12h 58m

Seattle/Tacoma Intl

Tue 6/18

1 stop19h 35m

$240

Knoxville McGhee TysonSeattle/Tacoma Intl

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Fri 6/14

1 stop14h 54m

Seattle/Tacoma Intl

Tue 6/18

1 stop19h 35m

$253

Knoxville McGhee TysonSeattle/Tacoma Intl

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Fri 6/14

1 stop14h 54m

Seattle/Tacoma Intl

Mon 6/17

1 stop10h 43m

$254

Knoxville McGhee TysonSeattle/Tacoma Intl

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Tue 6/11

3 stops25h 32m

Seattle/Tacoma Intl

Sun 6/16

1 stop8h 14m

$288

Knoxville McGhee TysonSeattle/Tacoma Intl

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Tue 6/11

3 stops25h 32m

Seattle/Tacoma Intl

Thu 6/20

1 stop8h 14m

$299

Knoxville McGhee TysonSeattle/Tacoma Intl

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Sat 8/31

1 stop10h 40m

Seattle/Tacoma Intl

Sat 9/7

1 stop11h 40m

$327

Knoxville McGhee TysonSeattle/Tacoma Intl

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Wed 9/4

1 stop18h 09m

Seattle/Tacoma Intl

Sat 9/7

1 stop14h 13m

$480

Flights are sorted by cheapest first

Deals found on 5/13

When is the best time to book a flight from Knoxville to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Seattle. Price data was last updated on May 10, 2024.
The best time to book flights from Knoxville to Seattle is 25 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Knoxville to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Seattle. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Knoxville to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Seattle by month

Plan your trip from Knoxville to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Knoxville to Seattle is currently $189 while a round-trip flight costs $288. Price data was last updated on May 12, 2024.

Currently, January is the cheapest month in which you can book a flight from Knoxville to Seattle (average of $247). Flying from Knoxville to Seattle in July is currently the most expensive (average of $407). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$247

February

$254

March

$288

April

$294

May

$318

June

$404

July

$407

August

$344

September

$278

October

$256

November

$258

December

$248

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

41 - 66.2 °F

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated May 13, 2024.
Peruse reviews from past customers who have flown with Frontier, American Airlines and United Airlines from Knoxville to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,980 reviews
Check prices

Comfort

7.2

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.7

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

United Airlines
7.4
Good
10,980 reviews
United Airlines
7.4
Good
10,980 reviews
Check prices

Comfort

7.2

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.7

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

American Airlines
7.3
Good
14,608 reviews
United Airlines
7.4
Good
10,980 reviews
Check prices

Comfort

7.2

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.7

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

Frontier
6.3
Okay
4,081 reviews
United Airlines
7.4
Good
10,980 reviews
Check prices

Comfort

7.2

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.7

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Knoxville to Seattle for under $300 on Cheapflights?

    Yes, there are multiple flights from Knoxville to Seattle for under $300. The cheapest flight booked recently is on Frontier for just $222, but on average you can expect to pay $285.

  • Are there last-minute flights available from Knoxville to Seattle for under $1,100?

    There are currently 9+ open flights from Knoxville to Seattle within the next 7 days for less than $1,100.

  • What are the cheapest airlines flying from Knoxville to Seattle round-trip?

    According to our current data, Frontier ($222), and American Airlines ($327) offers the cheapest pricing from Knoxville to Seattle. These flights start at 64% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Knoxville to Seattle one-way?

    One-way options have recently been found by users for as low as $135 on Frontier. Other airlines that offer cheap prices include American Airlines from $273 and United Airlines from $638 one-way.

  • What are the most popular airlines that fly from Knoxville to Seattle?

    The most popular airlines flying from Knoxville to Seattle are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

  • What does TYS to SEA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Knoxville McGhee Tyson Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a TYS to SEA flight.

  • Can I find deals for flights from Knoxville to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Knoxville to Seattle that include hotel bookings?

    Yes. In addition to deals on Knoxville to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Seattle.

  • Can I find deals for business class flights from Knoxville to Seattle?

    Yes. Cheapflights offers flight deals from Knoxville to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Knoxville to Seattle that allow pets onboard?

    Many airlines flying from Knoxville to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to Seattle?

    Yes, you can often find last-minute deals on Knoxville to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to Seattle flight deals updated?

    The Knoxville to Seattle flight deals you see on this page were last updated on 5/13.

See more FAQs

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Alternative routes for Knoxville to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from Knoxville to Seattle

Discover the top 5 airlines that operate flights from Knoxville to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$120Average$305FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$415Average$697FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$428Average$648FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$498Average$733FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$513Average$778FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
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Search flights from Knoxville to Seattle by cabin class

Find flights from Knoxville to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
Prem Econ Class
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When you search for this flight from Knoxville to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Can Cheapflights find flights from Knoxville to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Knoxville to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Knoxville to Seattle become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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