HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$424+ Cheap flights from Chattanooga (CHA) to Portugal

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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — LIS
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chattanooga to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chattanooga to Portugal

Cheapest flights from Chattanooga to Portugal
Explore the most affordable flight options available from Chattanooga to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:45 am
CHA
-
LIS
2 stops18h 30m
United Airlines
Tue 12/811:20 am
LIS
-
CHA
2 stops31h 01m
United Airlines
Deal found 3/5$562
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:51 pm
CHA
-
LIS
2 stops16h 04m
American Airlines
Fri 10/307:05 am
LIS
-
CHA
2 stops18h 40m
American Airlines
Deal found 3/6$678
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:17 pm
CHA
-
LIS
1 stop11h 03m
United Airlines
Fri 5/16:15 am
LIS
-
CHA
2 stops21h 48m
United Airlines
Deal found 3/10$766
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:12 pm
CHA
-
LIS
2 stops16h 43m
American Airlines
Wed 9/97:20 am
LIS
-
CHA
2 stops17h 09m
American Airlines
Deal found 3/8$818
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:01 pm
CHA
-
LIS
2 stops14h 09m
United Airlines
Wed 3/2511:55 am
LIS
-
CHA
2 stops26h 17m
United Airlines
Deal found 3/10$823
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:30 am
CHA
-
LIS
2 stops26h 10m
United Airlines
Tue 5/197:25 am
LIS
-
CHA
2 stops37h 18m
United Airlines
Deal found 3/10$949
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:00 am
CHA
-
LIS
2 stops24h 00m
United Airlines
Fri 6/2611:25 am
LIS
-
CHA
2 stops34h 55m
United Airlines
Deal found 3/5$984

Find flight deals from Chattanooga to Portugal

Keep the following information in mind while searching for Chattanooga to Portugal flight deals. Data was last updated March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$691
(American Airlines)

One-way from

$424
(British Airways)
Provider with most accurate pricing for Chattanooga Lovell Field-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chattanooga Lovell Field-Lisbon Humberto Delgado flights.
Search Deals
From Chattanooga Lovell Field to Portugal
Search Deals
One-way flight from Chattanooga Lovell Field to Portugal
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chattanooga 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 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Chattanooga to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Wed 4/22

8:04 pm-5:55 pm

2 stops16h 51m

Lisbon Humberto Delgado

Wed 4/29

7:20 am-7:39 pm

2 stops17h 19m

$691

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Fri 4/24

4:17 pm-8:20 am

1 stop11h 03m

Lisbon Humberto Delgado

Fri 5/1

6:15 am-11:03 pm

2 stops21h 48m

$766

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Tue 9/1

8:12 pm-5:55 pm

2 stops16h 43m

Lisbon Humberto Delgado

Wed 9/9

7:20 am-7:29 pm

2 stops17h 09m

$818

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Thu 5/14

6:30 am-1:40 pm

2 stops26h 10m

Lisbon Humberto Delgado

Tue 5/19

7:25 am-3:43 pm

2 stops37h 18m

$949

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Sun 6/14

6:00 am-11:00 am

2 stops24h 00m

Lisbon Humberto Delgado

Fri 6/26

11:25 am-5:20 pm

2 stops34h 55m

$984

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Wed 4/22

4:17 pm-8:20 am

1 stop11h 03m

Lisbon Humberto Delgado

Wed 4/29

10:25 am-8:54 pm

2 stops15h 29m

$1,087
Quickest round-trip

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Fri 5/15

4:42 pm-8:20 am

1 stop10h 38m

Lisbon Humberto Delgado

Tue 5/19

10:25 am-8:34 pm

2 stops15h 09m

$1,281

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Thu 6/18

1:56 pm-11:00 am

2 stops16h 04m

Lisbon Humberto Delgado

Sat 6/27

10:25 am-5:02 pm

1 stop11h 37m

$1,639

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Tue 5/19

6:30 am-9:20 am

2 stops21h 50m

Lisbon Humberto Delgado

Thu 5/28

11:25 am-5:02 pm

2 stops34h 37m

$3,299
Cheapest one-way

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Sun 6/14

4:18 pm-4:25 pm

2 stops19h 07m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Chattanooga to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Chattanooga with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chattanooga to Portugal

What is the cheapest month to book a flight from Chattanooga to Portugal?

Currently, December is the cheapest month in which you can book a flight from Chattanooga to Portugal (average of $475). Flying from Chattanooga to Portugal in June is currently the most expensive (average of $1,201). 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.

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 March 10, 2026.
Read through reviews of airlines operating flights from Chattanooga to Portugal, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,276 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,276 reviews
Delta
7.9
Good
8,276 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,409 reviews
Delta
7.9
Good
8,276 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Chattanooga 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 Chattanooga to Portugal?

    For a flight from Chattanooga to Portugal, you will be flying from Lovell Field. Chattanooga Lovell Field (CHA) is just 6.0 mi from the center of the city.

  • How long is the flight from Chattanooga to Portugal?

    Airlines like American Airlines and United Airlines fly from Chattanooga to Portugal in about 11h 03m. The time it takes to get you to your destination can typically vary by up to 5h 48m. Airlines will cover a distance of 4082 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Chattanooga to Portugal that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Chattanooga 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.

  • What is the cheapest month to book a flight from Chattanooga to Portugal?

    Currently, December is the cheapest month in which you can book a flight from Chattanooga to Portugal (average of $475). Flying from Chattanooga to Portugal in June is currently the most expensive (average of $1,201). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Chattanooga to Portugal

Discover the top 2 airlines that operate flights from Chattanooga 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 2,558,603 searches. Data last updated March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$507Average$729FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$527Average$1,190FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights