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Cheap flights from Knoxville (TYS) to Portugal from $465

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 7/25. 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 18 — May 251
From?
To?
Sat 5/18
Sat 5/25
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 United Airlines flights from Knoxville to Portugal

Explore cheap flight options specifically provided by United 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 2,633,403 searches. Data last updated May 13, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from Knoxville to Portugal. It's recommended that users confirm their flight details before booking.
Wed 9/259:50 amTYS - LIS
1 stop19h 40mUnited Airlines
Wed 10/910:25 amLIS - TYS
2 stops18h 15mUnited Airlines
Deal found 5/13$840
Wed 9/259:50 amTYS - LIS
1 stop19h 40mUnited Airlines
Wed 10/912:20 pmLIS - TYS
1 stop16h 20mUnited Airlines
Deal found 5/13$986
Sat 8/37:10 pmTYS - LIS
1 stop10h 25mUnited Airlines
Sat 8/1712:50 pmLIS - TYS
2 stops15h 53mUnited Airlines
Deal found 5/12$1,008
Sat 8/35:50 amTYS - LIS
2 stops21h 30mUnited Airlines
Sat 8/1712:50 pmLIS - TYS
2 stops15h 53mUnited Airlines
Deal found 5/12$1,012
Thu 5/237:05 pmTYS - LIS
1 stop10h 25mUnited Airlines
Sun 5/2612:20 pmLIS - TYS
1 stop16h 24mUnited Airlines
Deal found 5/13$12,456

Cheap Delta flights from Knoxville to Portugal

Explore cheap flight options specifically provided by Delta 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 2,633,403 searches. Data last updated May 13, 2024.
Browse through some of the cheapest Delta flights traveling from Knoxville to Portugal. Deals frequently update to provide users with more options.
Mon 7/154:02 pmTYS - LIS
2 stops14h 13mDelta
Thu 7/255:40 amLIS - TYS
2 stops20h 45mDelta
Deal found 5/12$955
Sat 8/315:35 amTYS - LIS
2 stops21h 25mDelta
Sat 9/710:00 amLIS - TYS
2 stops18h 57mDelta
Deal found 5/12$1,006

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 2,633,403 searches. Prices were last updated on May 13, 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.
Tue 6/1810:00 amTYS - FNC
2 stops25h 20mLufthansa
Tue 6/253:30 pmFNC - TYS
2 stops37h 13mLufthansa
Deal found 5/12$1,618
Thu 5/237:05 pmTYS - LIS
2 stops39h 25mLufthansa
Mon 5/272:25 pmLIS - TYS
2 stops38h 19mLufthansa
Deal found 5/12$1,626
Mon 6/177:05 pmTYS - FNC
2 stops40h 15mLufthansa
Tue 6/253:30 pmFNC - TYS
2 stops37h 13mLufthansa
Deal found 5/12$1,659
Thu 6/2010:00 amTYS - FNC
2 stops23h 40mLufthansa
Tue 6/253:30 pmFNC - TYS
2 stops37h 13mLufthansa
Deal found 5/12$1,742
Sun 6/167:05 pmTYS - FNC
2 stops38h 35mLufthansa
Tue 6/253:30 pmFNC - TYS
2 stops37h 13mLufthansa
Deal found 5/12$1,745
Wed 6/197:05 pmTYS - FNC
2 stops38h 35mLufthansa
Tue 6/253:30 pmFNC - TYS
2 stops37h 13mLufthansa
Deal found 5/12$1,750
Thu 5/237:05 pmTYS - LIS
3 stops30h 25mMultiple Airlines
Mon 5/277:05 pmLIS - TYS
3 stops30h 47mMultiple Airlines
Deal found 5/12$1,881
Fri 6/2110:00 amTYS - FNC
2 stops24h 45mLufthansa
Tue 6/253:30 pmFNC - TYS
2 stops37h 13mLufthansa
Deal found 5/12$1,902
Thu 5/237:05 pmTYS - LIS
3 stops30h 25mMultiple Airlines
Mon 5/272:25 pmLIS - TYS
2 stops31h 32mMultiple Airlines
Deal found 5/12$2,023

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 2,633,403 searches. Data last updated May 13, 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 12/14:05 pmLIS - TYS
2 stops34h 23mAir France
Deal found 5/12$759
Wed 9/257:00 amTYS - LIS
2 stops21h 20mUnited Airlines
Wed 10/910:25 amLIS - TYS
2 stops18h 15mUnited Airlines
Deal found 5/12$840
Sat 11/2310:16 amTYS - LIS
1 stop19h 14mUnited Airlines
Sun 12/112:15 pmLIS - TYS
2 stops40h 27mUnited Airlines
Deal found 5/12$949
Mon 7/154:02 pmTYS - LIS
2 stops14h 13mDelta
Thu 7/255:40 amLIS - TYS
2 stops20h 45mDelta
Deal found 5/12$955
Tue 9/177:20 pmTYS - LIS
2 stops21h 20mLufthansa
Wed 10/25:05 amLIS - TYS
2 stops18h 55mLufthansa
Deal found 5/12$970
Wed 9/257:20 pmTYS - LIS
1 stop10h 10mUnited Airlines
Wed 10/912:20 pmLIS - TYS
1 stop16h 20mUnited Airlines
Deal found 5/12$986
Mon 7/158:10 amTYS - LIS
1 stop20h 50mMultiple Airlines
Thu 7/256:00 amLIS - TYS
2 stops36h 00mMultiple Airlines
Deal found 5/12$992
Sat 8/315:35 amTYS - LIS
2 stops21h 25mDelta
Sat 9/710:00 amLIS - TYS
2 stops18h 57mDelta
Deal found 5/12$1,006
Sat 8/37:10 pmTYS - LIS
1 stop10h 25mUnited Airlines
Sat 8/1712:50 pmLIS - TYS
2 stops15h 53mUnited Airlines
Deal found 5/12$1,008

Knoxville to Portugal flights leaving soon

Find last-minute flight options from Knoxville to Portugal 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.
Have a look at some of the last-minute flights available departing from Knoxville to Portugal. To prevent any unwanted surprises, users should verify their flight info before booking.
Thu 5/237:05 pmTYS - LIS
2 stops39h 25mLufthansa
Mon 5/272:25 pmLIS - TYS
2 stops38h 19mLufthansa
Deal found 5/12$1,626
Thu 5/237:05 pmTYS - LIS
3 stops30h 25mMultiple Airlines
Mon 5/277:05 pmLIS - TYS
3 stops30h 47mMultiple Airlines
Deal found 5/12$1,881
Thu 5/237:05 pmTYS - LIS
3 stops30h 25mMultiple Airlines
Mon 5/272:25 pmLIS - TYS
2 stops31h 32mMultiple Airlines
Deal found 5/12$2,023
Thu 5/2310:53 amTYS - LIS
1 stop17h 12mBritish Airways
Mon 5/276:45 pmLIS - TYS
2 stops32h 35mBritish Airways
Deal found 5/12$3,078

One-way flights to Portugal from Knoxville

Search for one-way flight options from Knoxville to Portugal. 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 in need of a one-way flight from Knoxville to Portugal can choose from these deals. Users can also find round-trip Knoxville to Portugal flights by using the search form above.
Thu 7/256:00 amTYS - LIS
3 stops34h 35mMultiple Airlines
Deal found 5/12$465
Thu 7/258:00 amTYS - LIS
2 stops31h 20mMultiple Airlines
Deal found 5/12$501
Thu 7/259:50 amTYS - LIS
1 stop19h 40mUnited Airlines
Deal found 5/12$708

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 2,633,403 searches. Data last updated May 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$840 - $1,126

Route

Depart

Return

Price

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 9/25

1 stop19h 40m

Lisbon Humberto Delgado

Wed 10/9

2 stops18h 15m

$840

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Tue 9/17

2 stops21h 20m

Lisbon Humberto Delgado

Wed 10/2

2 stops18h 55m

$950

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 7/15

2 stops14h 13m

Lisbon Humberto Delgado

Thu 7/25

2 stops20h 45m

$955

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Tue 9/17

2 stops21h 20m

Lisbon Humberto Delgado

Wed 10/2

2 stops18h 55m

$970

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 9/25

1 stop19h 40m

Lisbon Humberto Delgado

Wed 10/9

1 stop16h 20m

$986

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Mon 7/15

1 stop20h 50m

Lisbon Humberto Delgado

Thu 7/25

2 stops36h 00m

$992

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Tue 9/17

1 stop9h 53m

Lisbon Humberto Delgado

Wed 10/2

2 stops19h 49m

$1,049

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 9/4

2 stops20h 20m

Lisbon Humberto Delgado

Sun 9/15

2 stops29h 48m

$1,058

Knoxville McGhee TysonLisbon Humberto Delgado

TYS - LIS

TYSLIS

Knoxville McGhee Tyson

Wed 9/4

1 stop9h 53m

Lisbon Humberto Delgado

Sun 9/15

2 stops32h 14m

$1,126

Flights are sorted by cheapest first

Deals found on 5/13

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 13, 2024.
Read reviews from past customers who have flown United Airlines, Delta and Air Canada 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
10,736 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

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
10,736 reviews
Delta
8.0
Very good
10,736 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

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
1,771 reviews
Delta
8.0
Very good
10,736 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

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
10,980 reviews
Delta
8.0
Very good
10,736 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

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
14,575 reviews
Delta
8.0
Very good
10,736 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

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
6,937 reviews
Delta
8.0
Very good
10,736 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

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 $900 on Cheapflights?

    Yes, there are multiple flights from Knoxville to Portugal for under $900. The cheapest flight booked recently is on United Airlines for just $840, but on average you can expect to pay $1,071.

  • Are there last-minute flights available from Knoxville to Portugal for under $1,700?

    There are currently 4+ open flights from Knoxville to Portugal within the next 7 days for less than $1,700.

  • 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 5/12.

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 2,633,403 searches. Data last updated May 13, 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

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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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