HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$399+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — LIS
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
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 July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 11/147:00 am
CHA
-
LIS
2 stops45h 20m
United Airlines
Wed 11/1811:20 am
LIS
-
CHA
2 stops38h 32m
United Airlines
Deal found 7/27$763
This American Airlines deal was found by Cheapflights users on 7/24. 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 10/196:02 pm
CHA
-
LIS
2 stops16h 43m
American Airlines
Fri 10/308:20 am
LIS
-
CHA
2 stops19h 21m
American Airlines
Deal found 7/24$770
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:09 pm
CHA
-
LIS
2 stops18h 46m
Delta
Fri 10/305:30 am
LIS
-
CHA
2 stops20h 30m
Delta
Deal found 7/27$781
This Iberia deal was found by Cheapflights users on 7/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:08 pm
CHA
-
LIS
2 stops18h 57m
Multiple Airlines
Fri 10/308:20 am
LIS
-
CHA
2 stops19h 21m
Multiple Airlines
Deal found 7/25$782
This United Airlines deal was found by Cheapflights users on 7/25. 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 9/246:00 am
CHA
-
LIS
2 stops23h 30m
United Airlines
Tue 10/611:25 am
LIS
-
CHA
2 stops41h 45m
United Airlines
Deal found 7/25$855
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:00 am
CHA
-
LIS
2 stops17h 50m
Delta
Fri 10/95:35 am
LIS
-
CHA
2 stops23h 04m
Delta
Deal found 7/28$962
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 8/217:18 pm
CHA
-
LIS
2 stops17h 42m
American Airlines
Fri 8/2811:05 am
LIS
-
CHA
2 stops17h 41m
American Airlines
Deal found 7/24$985

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$763
(United Airlines)

One-way from

$399
(United Airlines)
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 July 28, 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

Sat 11/14

5:55 pm-8:10 am

2 stops33h 15m

Lisbon Humberto Delgado

Wed 11/18

10:15 am-6:01 pm

1 stop12h 46m

$774
Quickest round-trip

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Mon 10/19

3:09 pm-2:55 pm

2 stops18h 46m

Lisbon Humberto Delgado

Fri 10/30

5:30 am-10:00 pm

2 stops20h 30m

$781

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Thu 9/24

6:00 am-10:30 am

2 stops23h 30m

Lisbon Humberto Delgado

Tue 10/6

11:25 am-12:10 am

2 stops41h 45m

$855

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Sun 9/13

10:00 am-8:50 am

2 stops17h 50m

Lisbon Humberto Delgado

Fri 10/9

5:35 am-11:39 pm

2 stops23h 04m

$962
Cheapest one-way

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Wed 12/16

6:30 am-6:55 am

2 stops19h 25m

$399
Quickest one-way

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Wed 12/16

12:53 pm-8:10 am

1 stop14h 17m

$3,224

ChattanoogaLisbon

CHA - LIS

CHALIS

Chattanooga Lovell Field

Wed 12/16

10:00 am-11:50 am

3 stops44h 50m

$25,591

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Sorted by cheapest first

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

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 July 28, 2026.
Read through reviews of airlines operating flights from Chattanooga to Portugal, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,490 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,490 reviews
Delta
7.8
Good
8,490 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 United Airlines fly from Chattanooga to Portugal in about 45h 20m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4082 mi.

  • 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.

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 airline flying from Chattanooga to Portugal

Discover the top airline 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$507Average$729FlexibilityNo cancel feeOn-timeN/A

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.