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Cheap flights from Seattle to Knoxville (SEA - TYS) from $112

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 6/6. 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.
SEA — TYS
May 7 — May 141
From?
To?
Tue 5/7
Tue 5/14
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Knoxville McGhee Tyson are usually found in February or January, booked 18 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Seattle to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Knoxville (TYS). 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 2, 2024.

Popular in

December

Cheapest in

February

Round-trip from

$302

One-way from

$247
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 17% potential price drop
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From Seattle/Tacoma Intl to Knoxville McGhee Tyson
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One-way flight from Seattle/Tacoma Intl to Knoxville McGhee Tyson
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What is the cheapest day to fly round-trip from Seattle to Knoxville?

Flights from Seattle to Knoxville are found to be more expensive on Wednesday. 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 Knoxville.

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

Find a great deal and save up to 166% by booking at least 19 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 Seattle to Knoxville within the next two weeks, with the cheapest ticket starting at $648.

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

Our data shows that February tends to be the cheapest month to fly to Knoxville from Seattle. Users have commonly found prices around $642 for the month, but tickets can be as low as $316. Due to multiple factors, prepare for potentially higher prices in December.

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

It’s optimal to fly from Seattle to Knoxville in the afternoon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

Cheap Frontier flights from Seattle to Knoxville

Explore cheap flight options specifically provided by Frontier for the route between Seattle and Knoxville. 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 2,899,487 searches. Data last updated May 2, 2024.
Take a look at some of the lowest-priced Frontier flights heading from Seattle to Knoxville. Come back soon if you're not finding the exact deal you're looking for.
Fri 5/1710:24 pmSEA - TYS
1 stop15h 13mFrontier
Mon 5/206:38 pmTYS - SEA
1 stop27h 36mFrontier
Deal found 5/1$243
Fri 8/2310:08 pmSEA - TYS
1 stop15h 42mFrontier
Mon 8/266:17 pmTYS - SEA
1 stop17h 20mFrontier
Deal found 5/1$267
Fri 6/73:34 pmSEA - TYS
1 stop22h 25mFrontier
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/1$312
Fri 9/2710:08 pmSEA - TYS
1 stop15h 42mFrontier
Mon 9/306:17 pmTYS - SEA
1 stop17h 20mFrontier
Deal found 5/1$328
Fri 5/249:45 amSEA - TYS
1 stop6h 54mFrontier
Mon 5/276:35 pmTYS - SEA
1 stop27h 39mFrontier
Deal found 5/1$437
Sun 7/2110:08 pmSEA - TYS
1 stop16h 09mFrontier
Sat 7/275:40 pmTYS - SEA
1 stop17h 57mFrontier
Deal found 5/1$566

Cheap American Airlines flights from Seattle to Knoxville

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Knoxville. 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 2,899,487 searches. Data last updated May 2, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Seattle to Knoxville. Make sure to examine the flight information before completing your reservation.
Tue 9/176:36 amSEA - TYS
1 stop11h 40mAmerican Airlines
Tue 9/2411:43 amTYS - SEA
1 stop12h 28mAmerican Airlines
Deal found 5/1$346
Mon 9/166:36 amSEA - TYS
1 stop11h 40mAmerican Airlines
Mon 9/2311:43 amTYS - SEA
1 stop14h 02mAmerican Airlines
Deal found 5/1$376
Sun 5/2611:59 pmSEA - TYS
1 stop15h 10mAmerican Airlines
Tue 6/411:35 amTYS - SEA
1 stop14h 30mAmerican Airlines
Deal found 5/1$401
Mon 5/2011:59 pmSEA - TYS
1 stop15h 10mAmerican Airlines
Tue 5/2811:35 amTYS - SEA
1 stop14h 30mAmerican Airlines
Deal found 5/1$456
Mon 7/110:52 pmSEA - TYS
1 stop14h 18mAmerican Airlines
Mon 7/811:43 amTYS - SEA
1 stop13h 15mAmerican Airlines
Deal found 4/30$461
Sat 6/111:59 pmSEA - TYS
1 stop15h 10mAmerican Airlines
Sat 6/811:27 amTYS - SEA
1 stop11h 21mAmerican Airlines
Deal found 5/1$531
Wed 7/2411:58 pmSEA - TYS
1 stop7h 34mAmerican Airlines
Tue 7/307:13 amTYS - SEA
1 stop8h 10mAmerican Airlines
Deal found 5/1$545
Tue 7/231:14 amSEA - TYS
1 stop9h 12mAmerican Airlines
Tue 7/305:10 amTYS - SEA
1 stop10h 13mAmerican Airlines
Deal found 5/1$546
Tue 5/211:15 amSEA - TYS
1 stop7h 26mAmerican Airlines
Tue 5/285:30 amTYS - SEA
1 stop8h 19mAmerican Airlines
Deal found 5/1$548

Cheap Seattle to Knoxville flights in May & June 2024

Find cheap flight options from Seattle to Knoxville specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 2, 2024.
Scroll through some of the best deals on flights from Seattle to Knoxville in 2024. Check back in a little while for more flight options.
Fri 5/1710:24 pmSEA - TYS
1 stop15h 13mFrontier
Mon 5/206:38 pmTYS - SEA
1 stop27h 36mFrontier
Deal found 5/1$243
Sun 5/2611:59 pmSEA - TYS
1 stop15h 10mAmerican Airlines
Tue 6/411:35 amTYS - SEA
1 stop14h 30mAmerican Airlines
Deal found 5/1$401
Fri 5/249:45 amSEA - TYS
1 stop6h 54mFrontier
Mon 5/276:35 pmTYS - SEA
1 stop27h 39mFrontier
Deal found 5/1$437
Mon 5/2011:59 pmSEA - TYS
1 stop15h 10mAmerican Airlines
Tue 5/2811:35 amTYS - SEA
1 stop14h 30mAmerican Airlines
Deal found 5/1$456
Thu 5/210:04 pmSEA - TYS
1 stop8h 52mFrontier
Fri 5/310:56 amTYS - SEA
1 stop13h 38mFrontier
Deal found 4/30$488
Tue 5/211:15 amSEA - TYS
1 stop7h 26mAmerican Airlines
Tue 5/285:30 amTYS - SEA
1 stop8h 19mAmerican Airlines
Deal found 5/1$548
Fri 5/2411:59 pmSEA - TYS
1 stop12h 55mAmerican Airlines
Tue 5/2811:35 amTYS - SEA
1 stop14h 30mAmerican Airlines
Deal found 5/1$550
Wed 5/2911:05 amSEA - TYS
2 stops9h 23mUnited Airlines
Wed 6/54:37 pmTYS - SEA
1 stop9h 13mUnited Airlines
Deal found 5/1$600
Mon 5/207:43 pmSEA - TYS
2 stops14h 39mUnited Airlines
Tue 5/285:50 amTYS - SEA
1 stop17h 20mUnited Airlines
Deal found 5/1$605

Seattle to Knoxville 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Knoxville in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 2, 2024.
Scroll through some of the best deals on flights from Seattle to Knoxville in 2024. Check back in a little while for more flight options.
Fri 5/1710:24 pmSEA - TYS
1 stop15h 13mFrontier
Mon 5/206:38 pmTYS - SEA
1 stop27h 36mFrontier
Deal found 5/1$243
Fri 8/2310:08 pmSEA - TYS
1 stop15h 42mFrontier
Mon 8/266:17 pmTYS - SEA
1 stop17h 20mFrontier
Deal found 5/1$267
Fri 6/73:34 pmSEA - TYS
1 stop22h 25mFrontier
Mon 6/1010:41 pmTYS - SEA
1 stop12h 58mFrontier
Deal found 5/1$312
Fri 9/2710:08 pmSEA - TYS
1 stop15h 42mFrontier
Mon 9/306:17 pmTYS - SEA
1 stop17h 20mFrontier
Deal found 5/1$328
Tue 9/176:36 amSEA - TYS
1 stop11h 40mAmerican Airlines
Tue 9/2411:43 amTYS - SEA
1 stop12h 28mAmerican Airlines
Deal found 5/1$346
Mon 9/166:36 amSEA - TYS
1 stop11h 40mAmerican Airlines
Mon 9/2311:43 amTYS - SEA
1 stop14h 02mAmerican Airlines
Deal found 5/1$376
Sun 5/2611:59 pmSEA - TYS
1 stop15h 10mAmerican Airlines
Tue 6/411:35 amTYS - SEA
1 stop14h 30mAmerican Airlines
Deal found 5/1$401
Fri 5/249:45 amSEA - TYS
1 stop6h 54mFrontier
Mon 5/276:35 pmTYS - SEA
1 stop27h 39mFrontier
Deal found 5/1$437
Mon 5/2011:59 pmSEA - TYS
1 stop15h 10mAmerican Airlines
Tue 5/2811:35 amTYS - SEA
1 stop14h 30mAmerican Airlines
Deal found 5/1$456

Seattle to Knoxville flights leaving soon

Find last-minute flight options from Seattle to Knoxville 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 2,899,487 searches. Data last updated May 2, 2024.
Have a look at some of the last-minute flights available departing from Seattle to Knoxville. Users should examine the flight details to ensure there are no surprises.
Fri 5/1011:59 pmSEA - TYS
1 stop15h 07mAmerican Airlines
Thu 5/1611:35 amTYS - SEA
1 stop14h 30mAmerican Airlines
Deal found 5/1$647
Wed 5/85:00 amSEA - TYS
1 stop14h 44mUnited Airlines
Tue 5/144:10 pmTYS - SEA
1 stop20h 37mUnited Airlines
Deal found 5/1$675
Mon 5/65:00 amSEA - TYS
1 stop14h 44mUnited Airlines
Fri 5/104:10 pmTYS - SEA
1 stop20h 37mUnited Airlines
Deal found 4/30$694
Fri 5/107:10 pmSEA - TYS
2 stops15h 12mUnited Airlines
Thu 5/167:00 amTYS - SEA
1 stop14h 45mUnited Airlines
Deal found 5/1$699
Fri 5/104:19 pmSEA - TYS
2 stops18h 03mUnited Airlines
Thu 5/167:00 amTYS - SEA
2 stops14h 08mUnited Airlines
Deal found 5/1$834
Tue 5/71:15 amSEA - TYS
1 stop7h 26mAmerican Airlines
Tue 5/142:43 pmTYS - SEA
1 stop10h 13mAmerican Airlines
Deal found 5/1$906
Thu 5/91:15 amSEA - TYS
1 stop9h 25mAmerican Airlines
Thu 5/1612:11 pmTYS - SEA
1 stop10h 10mAmerican Airlines
Deal found 5/1$923
Mon 5/66:38 amSEA - TYS
2 stops11h 30mUnited Airlines
Fri 5/107:00 amTYS - SEA
1 stop9h 19mUnited Airlines
Deal found 4/30$1,223

One-way flights to Knoxville from Seattle

Search for one-way flight options from Seattle to Knoxville. 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 2,899,487 searches. Data last updated May 2, 2024.
If you're seeking multiple options on one-way flights from Seattle to Knoxville, be sure to check out these deals, which are updated often. For those needing a return trip from Seattle, there is a search form available above.
Thu 6/68:12 pmSEA - TYS
1 stop22h 13mFrontier
Deal found 4/30$112
Wed 6/57:59 amSEA - TYS
1 stop7h 48mFrontier
Deal found 4/30$145
Tue 5/288:14 pmSEA - TYS
1 stop17h 17mFrontier
Deal found 5/1$179
Thu 5/309:30 amSEA - TYS
1 stop26h 31mFrontier
Deal found 4/30$180
Tue 7/28:12 pmSEA - TYS
1 stop19h 35mFrontier
Deal found 5/1$247
Wed 7/177:30 amSEA - TYS
1 stop8h 30mAmerican Airlines
Deal found 5/1$273
Mon 5/271:15 amSEA - TYS
1 stop9h 25mAmerican Airlines
Deal found 5/1$274
Tue 5/283:30 pmSEA - TYS
2 stops15h 47mUnited Airlines
Deal found 5/1$304
Mon 6/311:59 pmSEA - TYS
1 stop15h 10mAmerican Airlines
Deal found 4/30$314

Find flights from Seattle to Knoxville within your budget

Customize your flight search to find flights from Seattle to Knoxville 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 2,899,487 searches. Data last updated May 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$243 - $756

Route

Depart

Return

Price

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Fri 5/17

1 stop15h 13m

Knoxville McGhee Tyson

Mon 5/20

1 stop27h 36m

$243

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Fri 8/23

1 stop15h 42m

Knoxville McGhee Tyson

Mon 8/26

1 stop17h 20m

$267

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Fri 6/7

1 stop22h 25m

Knoxville McGhee Tyson

Mon 6/10

1 stop12h 58m

$312

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Fri 9/27

1 stop15h 42m

Knoxville McGhee Tyson

Mon 9/30

1 stop17h 20m

$328

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Tue 9/17

1 stop11h 40m

Knoxville McGhee Tyson

Tue 9/24

1 stop12h 28m

$346

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Mon 9/16

1 stop11h 40m

Knoxville McGhee Tyson

Mon 9/23

1 stop14h 02m

$376

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Mon 9/23

1 stop24h 41m

Knoxville McGhee Tyson

Fri 9/27

1 stop29h 52m

$480

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Mon 9/16

1 stop9h 47m

Knoxville McGhee Tyson

Wed 9/25

1 stop7h 22m

$646

Seattle/Tacoma IntlKnoxville McGhee Tyson

SEA - TYS

SEATYS

Seattle/Tacoma Intl

Sat 6/1

2 stops12h 41m

Knoxville McGhee Tyson

Sat 6/8

1 stop10h 27m

$756

Flights are sorted by cheapest first

Deals found on 5/1

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Knoxville. Price data was last updated on January 28, 2024.
The price you pay for your flight from Seattle to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 18 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Knoxville. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Knoxville flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Knoxville by month

Plan your trip from Seattle to Knoxville by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Knoxville is currently $225 while a round-trip flight costs $417. Price data was last updated on April 28, 2024.

Currently, February is the cheapest month in which you can book a flight from Seattle to Knoxville (average of $302). Flying from Seattle to Knoxville in May is currently the most expensive (average of $388). 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

$304

February

$302

March

$370

April

$376

May

$388

June

$379

July

$351

August

$326

September

$328

October

$338

November

$373

December

$304

Temperature and rainfall in Knoxville by month

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

TYS

Temperature

39.2 - 78.8 °F

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated May 2, 2024.
To help decide which airline to fly from Seattle to Knoxville, see what other customers have to say about Frontier, American Airlines and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Alaska Airlines
8.1
Very good
9,115 reviews
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Delta
8.1
Very good
10,874 reviews
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

WestJet
7.6
Good
2,970 reviews
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

United Airlines
7.4
Good
11,159 reviews
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

American Airlines
7.3
Good
14,788 reviews
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 10

I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Knoxville. 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 Seattle to Knoxville for under $300 on Cheapflights?

    Yes, there are multiple flights from Seattle to Knoxville for under $300. The cheapest flight booked recently is on Frontier for just $243, but on average you can expect to pay $443.

  • Are there last-minute flights available from Seattle to Knoxville for under $700?

    There are currently 8+ open flights from Seattle to Knoxville within the next 7 days for less than $700.

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

    Cheapflights users have booked flights from Seattle to Knoxville round-trip from $243. Other airlines that can offer you cheap pricing are American Airlines, from $346, and United Airlines, from $480. Users have found that Frontier is 62% cheaper than the other options available to this destination.

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

    $112 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $273 and $304, respectively.

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

    American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from Seattle to Knoxville.

  • What does SEA to TYS mean?

    Seattle/Tacoma Intl Airport is SEA and Knoxville McGhee Tyson Airport is TYS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

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

    The amount of baggage you can bring on your Seattle to Knoxville 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 Seattle to Knoxville with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Knoxville 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 Seattle to Knoxville that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Knoxville 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 Seattle to Knoxville that allow pets onboard?

    Many airlines flying from Seattle to Knoxville 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 Seattle to Knoxville?

    Yes, you can often find last-minute deals on Seattle to Knoxville 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 Seattle to Knoxville flight deals updated?

    The Seattle to Knoxville flight deals you see on this page were last updated on 5/1.

See more FAQs

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Top 5 airlines flying from Seattle to Knoxville

Discover the top 5 airlines that operate flights from Seattle to Knoxville. 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 2,899,487 searches. Data last updated May 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$145Average$295FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$428Average$636FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$431Average$728FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$498Average$750FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$564Average$846FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
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Search flights from Seattle to Knoxville by cabin class

Find flights from Seattle to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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