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Cheap flights from Knoxville (TYS) to Portugal from $688

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. 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 — LIS
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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How far in advance should I book a flight from Knoxville to Portugal?

Find a great deal and save up to 77% by booking at least 15 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 Portugal within the next two weeks, with the cheapest ticket starting at $745.

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

January is one of the best times of the year to fly to Portugal from Knoxville. Prices for January average $1,161 per person but you can even find prices for as low as $535. The most expensive prices can be found in the month of May. Opting for a January flight can save you 34% on your journey compared to booking in May

When is the cheapest time to fly from Knoxville to Portugal (TYS - PT)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Portugal as you normally would.

Cheap American Airlines flights from Knoxville to Portugal

Explore cheap flight options specifically provided by American Airlines for the route between Knoxville and Portugal. 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 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Knoxville to Portugal. It's recommended that users confirm their flight details before booking.
Fri 10/2511:15 amTYS - LIS
2 stops16h 50mAmerican Airlines
Sat 11/210:05 amLIS - TYS
2 stops15h 30mAmerican Airlines
Deal found 5/15$778
Fri 10/256:12 pmTYS - LIS
1 stop9h 53mAmerican Airlines
Sat 11/210:05 amLIS - TYS
1 stop14h 33mAmerican Airlines
Deal found 5/15$809
Fri 10/259:14 amTYS - LIS
2 stops18h 51mAmerican Airlines
Sat 11/210:05 amLIS - TYS
1 stop14h 33mAmerican Airlines
Deal found 5/15$812
Wed 9/256:12 pmTYS - LIS
1 stop9h 53mAmerican Airlines
Wed 10/911:05 amLIS - TYS
2 stops17h 12mAmerican Airlines
Deal found 5/16$888
Wed 9/256:12 pmTYS - LIS
1 stop9h 53mAmerican Airlines
Wed 10/911:05 amLIS - TYS
1 stop14h 24mAmerican Airlines
Deal found 5/16$955
Tue 9/173:00 pmTYS - LIS
1 stop13h 05mAmerican Airlines
Thu 10/1711:05 amLIS - TYS
1 stop14h 24mAmerican Airlines
Deal found 5/15$1,145
Mon 9/307:57 amTYS - LIS
1 stop20h 08mAmerican Airlines
Sun 10/1311:05 amLIS - TYS
1 stop28h 15mAmerican Airlines
Deal found 5/15$1,154
Thu 7/186:02 pmTYS - LIS
1 stop10h 03mAmerican Airlines
Thu 7/2511:05 amLIS - TYS
1 stop11h 32mAmerican Airlines
Deal found 5/15$1,341
Wed 9/410:55 amTYS - LIS
1 stop17h 10mAmerican Airlines
Sun 9/1511:05 amLIS - TYS
1 stop28h 15mAmerican Airlines
Deal found 5/15$1,349

Cheap Air Canada flights from Knoxville to Portugal

Explore cheap flight options specifically provided by Air Canada for the route between Knoxville and Portugal. 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 2,637,452 searches. Data last updated May 16, 2024.
Browse through some of the cheapest Air Canada flights traveling from Knoxville to Portugal. Deals frequently update to provide users with more options.
Fri 10/259:50 amTYS - LIS
2 stops20h 20mAir Canada
Sun 11/311:00 amLIS - TYS
2 stops32h 42mAir Canada
Deal found 5/15$814
Fri 9/279:50 amTYS - LIS
2 stops17h 20mAir Canada
Sat 10/512:50 pmLIS - TYS
2 stops26h 06mAir Canada
Deal found 5/15$918
Wed 9/45:50 amTYS - LIS
2 stops22h 30mAir Canada
Sun 9/1512:50 pmLIS - TYS
2 stops26h 36mAir Canada
Deal found 5/15$986
Sat 8/39:50 amTYS - LIS
2 stops20h 20mAir Canada
Sat 8/179:45 amLIS - TYS
2 stops18h 58mAir Canada
Deal found 5/15$1,029
Sun 6/309:50 amTYS - LIS
2 stops18h 30mAir Canada
Sat 7/69:45 amLIS - TYS
2 stops18h 58mAir Canada
Deal found 5/15$2,147

Cheap Knoxville to Portugal flights in May & June 2024

Find cheap flight options from Knoxville to Portugal specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
The lowest fares we've come across on flights traveling from Knoxville to Portugal in May and June 2024. More deals are always being added, so be sure to check back regularly.
Sat 6/294:40 pmTYS - LIS
2 stops18h 35mBritish Airways
Sat 7/67:00 pmLIS - TYS
2 stops27h 37mBritish Airways
Deal found 5/15$1,136
Sat 6/296:01 pmTYS - LIS
1 stop10h 04mBritish Airways
Sat 7/67:00 pmLIS - TYS
2 stops27h 37mBritish Airways
Deal found 5/15$1,137
Sat 6/295:25 amTYS - LIS
2 stops21h 35mDelta
Sat 7/65:40 amLIS - TYS
2 stops23h 12mDelta
Deal found 5/15$1,378
Sun 6/308:00 amTYS - LIS
1 stop17h 05mMultiple Airlines
Sun 7/79:55 pmLIS - TYS
2 stops44h 05mMultiple Airlines
Deal found 5/15$1,473
Sat 6/296:00 amTYS - LIS
3 stops27h 00mMultiple Airlines
Sat 7/69:45 amLIS - TYS
2 stops32h 44mMultiple Airlines
Deal found 5/15$1,644
Sat 6/296:00 amTYS - LIS
3 stops27h 00mMultiple Airlines
Sat 7/69:45 amLIS - TYS
2 stops32h 44mMultiple Airlines
Deal found 5/15$1,656
Sat 6/297:10 amTYS - LIS
1 stop17h 25mMultiple Airlines
Sun 7/79:55 pmLIS - TYS
2 stops44h 05mMultiple Airlines
Deal found 5/15$1,668
Sat 6/297:10 amTYS - LIS
1 stop17h 25mMultiple Airlines
Sun 7/79:55 pmLIS - TYS
2 stops44h 05mMultiple Airlines
Deal found 5/15$1,669
Sat 6/296:00 amTYS - LIS
3 stops23h 45mMultiple Airlines
Sat 7/63:05 pmLIS - TYS
3 stops25h 30mMultiple Airlines
Deal found 5/15$1,685

Knoxville to Portugal 2024 flight deals

Discover exclusive flight deals for travel between Knoxville and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
The lowest fares we've come across on flights traveling from Knoxville to Portugal in May and June 2024. More deals are always being added, so be sure to check back regularly.
Sat 11/236:30 pmTYS - LIS
2 stops33h 30mAir France
Sun 12/16:30 pmLIS - TYS
2 stops28h 08mAir France
Deal found 5/16$688
Fri 10/2511:15 amTYS - LIS
2 stops16h 50mAmerican Airlines
Sat 11/210:05 amLIS - TYS
2 stops15h 30mAmerican Airlines
Deal found 5/15$778
Fri 10/256:12 pmTYS - LIS
1 stop9h 53mAmerican Airlines
Sat 11/210:05 amLIS - TYS
1 stop14h 33mAmerican Airlines
Deal found 5/15$809
Fri 10/259:14 amTYS - LIS
2 stops18h 51mAmerican Airlines
Sat 11/210:05 amLIS - TYS
1 stop14h 33mAmerican Airlines
Deal found 5/15$812
Fri 10/259:50 amTYS - LIS
2 stops20h 20mAir Canada
Sun 11/311:00 amLIS - TYS
2 stops32h 42mAir Canada
Deal found 5/15$814
Thu 9/267:25 pmTYS - LIS
1 stop10h 05mUnited Airlines
Sun 10/1312:50 pmLIS - TYS
2 stops39h 40mUnited Airlines
Deal found 5/16$868
Thu 9/267:00 amTYS - LIS
2 stops22h 30mUnited Airlines
Sun 10/1312:50 pmLIS - TYS
2 stops39h 40mUnited Airlines
Deal found 5/16$872
Wed 9/256:12 pmTYS - LIS
1 stop9h 53mAmerican Airlines
Wed 10/911:05 amLIS - TYS
2 stops17h 12mAmerican Airlines
Deal found 5/16$888
Tue 9/177:20 pmTYS - LIS
2 stops21h 20mLufthansa
Thu 10/176:15 amLIS - TYS
2 stops22h 25mLufthansa
Deal found 5/15$907

Find flights from Knoxville to Portugal within your budget

Customize your flight search to find flights from Knoxville to Portugal 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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$778 - $981

Route

Depart

Return

Price

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Fri 10/25

2 stops16h 50m

Lisbon Humberto Delgado

Sat 11/2

2 stops15h 30m

$778

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Fri 10/25

1 stop9h 53m

Lisbon Humberto Delgado

Sat 11/2

1 stop14h 33m

$809

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Fri 10/25

2 stops18h 51m

Lisbon Humberto Delgado

Sat 11/2

1 stop14h 33m

$812

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Fri 10/25

2 stops20h 20m

Lisbon Humberto Delgado

Sun 11/3

2 stops32h 42m

$814

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Tue 9/17

2 stops21h 20m

Lisbon Humberto Delgado

Thu 10/17

2 stops22h 25m

$907

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 9/25

2 stops17h 15m

Lisbon Humberto Delgado

Wed 10/9

2 stops22h 20m

$911

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 9/25

1 stop10h 10m

Lisbon Humberto Delgado

Wed 10/9

2 stops18h 15m

$929

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Fri 10/25

3 stops17h 20m

Lisbon Humberto Delgado

Sat 11/2

2 stops28h 15m

$932

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Tue 9/17

2 stops25h 06m

Lisbon Humberto Delgado

Thu 10/17

1 stop14h 24m

$981

Flights are sorted by cheapest first

Deals found on 5/15

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated May 16, 2024.
Read reviews from past customers who have flown American Airlines, Air Canada and Lufthansa from Knoxville to Portugal. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,673 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.6
Good
1,764 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,924 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,514 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air Canada
7.0
Good
6,947 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

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

  • What airport do you fly from for flights from Knoxville to Portugal?

    For a flight from Knoxville to Portugal, you will be flying from McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city.

  • Can I find flights from Knoxville to Portugal for under $800 on Cheapflights?

    Yes, there are multiple flights from Knoxville to Portugal for under $800. The cheapest flight booked recently is on American Airlines for just $778, but on average you can expect to pay $928.

  • What are the most popular routes from Knoxville to Portugal?

    The most popular flight routes from Knoxville to Portugal are Knoxville McGhee Tyson - Lisbon Humberto Delgado, Knoxville McGhee Tyson - Funchal Madeira and Knoxville McGhee Tyson - Faro.

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

    American Airlines, British Airways and Delta are the most popular airlines when flying from Knoxville to Portugal.

  • What does TYS to LIS mean?

    Knoxville McGhee Tyson Airport is TYS and Lisbon Humberto Delgado Airport is LIS. 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. Ready for more IATA code knowledge? These are related airports for your current travel destination: Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER).

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

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

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

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

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

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

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

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

    Many airlines flying from Knoxville to Portugal 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 Portugal?

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

    The Knoxville to Portugal flight deals you see on this page were last updated on 5/16.

See more FAQs

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Top 4 airlines flying from Knoxville to Portugal

Discover the top 4 airlines that operate flights from Knoxville to Portugal. 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$542Average$1,295FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$573Average$1,225FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest$637Average$1,130FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$834Average$1,574FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Knoxville to Portugal by cabin class

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

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Knoxville to Portugal?

Deals for Knoxville to Portugal flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Knoxville to Portugal?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Knoxville to Portugal for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Portugal from Knoxville? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Knoxville to Portugal 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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