$439+ Cheap flights from Charleston (CHS) 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — LIS
Jun 17 — Jun 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Charleston 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 Charleston to Portugal
Cheapest
Best
Last-minute
One-way
Cheapest flights from Charleston to PortugalExplore the most affordable flight options available from Charleston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
Explore the most affordable flight options available from Charleston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
This Air Canada deal was found by Cheapflights users on 5/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:43 pm
CHS
- LIS
2 stops35h 22m
Air Canada
Fri 10/231:00 pm
LIS
- CHS
2 stops37h 04m
Air Canada
Deal found 5/13![Air Canada logo]()
$832
This United Airlines deal was found by Cheapflights users on 5/13. 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 10/1810:19 am
CHS
- LIS
1 stop19h 11m
United Airlines
Fri 10/2312:20 pm
LIS
- CHS
1 stop16h 46m
United Airlines
Deal found 5/13![United Airlines logo]()
$839
This United Airlines deal was found by Cheapflights users on 5/13. 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 10/162:57 pm
CHS
- LIS
1 stop12h 23m
United Airlines
Fri 10/2312:20 pm
LIS
- CHS
1 stop16h 46m
United Airlines
Deal found 5/13![United Airlines logo]()
$889
This United Airlines deal was found by Cheapflights users on 5/14. 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 10/77:00 am
CHS
- LIS
1 stop20h 20m
United Airlines
Tue 10/1311:25 am
LIS
- CHS
2 stops41h 34m
United Airlines
Deal found 5/14![United Airlines logo]()
$895
This United Airlines deal was found by Cheapflights users on 5/15. 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 9/1911:10 am
CHS
- LIS
2 stops41h 10m
United Airlines
Wed 9/2311:25 am
LIS
- CHS
2 stops41h 34m
United Airlines
Deal found 5/15![United Airlines logo]()
$898
This Air France deal was found by Cheapflights users on 5/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:25 pm
CHS
- LIS
2 stops15h 50m
Multiple Airlines
Tue 10/139:20 am
LIS
- CHS
2 stops17h 51m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$908
This Delta deal was found by Cheapflights users on 5/13. 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.
Sat 10/176:00 pm
CHS
- LIS
1 stop33h 00m
Delta
Fri 10/235:35 am
LIS
- CHS
2 stops16h 16m
Delta
Deal found 5/13![Delta logo]()
$911
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Mon 9/287:46 pm
CHS
- LIS
1 stop9h 44m
United Airlines
Wed 10/710:25 am
LIS
- CHS
1 stop18h 34m
United Airlines
Deal found 5/17![United Airlines logo]()
$914
This United Airlines deal was found by Cheapflights users on 5/18. 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 7/27:46 pm
CHS
- FAO
2 stops33h 04m
United Airlines
Thu 7/93:25 pm
FAO
- CHS
2 stops35h 50m
United Airlines
Deal found 5/18![United Airlines logo]()
$1,208
This American Airlines deal was found by Cheapflights users on 5/18. 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.
Thu 7/27:50 pm
CHS
- FAO
2 stops18h 15m
American Airlines
Thu 7/91:20 pm
FAO
- CHS
3 stops25h 47m
American Airlines
Deal found 5/18![American Airlines logo]()
$1,503
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Tue 6/306:00 am
CHS
- FAO
2 stops28h 50m
United Airlines
Tue 7/73:25 pm
FAO
- CHS
2 stops35h 50m
United Airlines
Deal found 5/16![United Airlines logo]()
$1,538
Best flights from Charleston to PortugalDiscover carefully curated flight deals from Charleston to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
Discover carefully curated flight deals from Charleston to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
This United Airlines deal was found by Cheapflights users on 5/14. 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 10/76:00 am
CHS
- LIS
2 stops22h 20m
United Airlines
Tue 10/1311:25 am
LIS
- CHS
2 stops41h 41m
United Airlines
Deal found 5/14![United Airlines logo]()
$898
This KLM deal was found by Cheapflights users on 5/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am
CHS
- LIS
1 stop21h 00m
KLM
Sun 10/2510:00 am
LIS
- CHS
2 stops17h 56m
KLM
Deal found 5/13![KLM logo]()
$953
This American Airlines deal was found by Cheapflights users on 5/18. 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.
Thu 7/27:50 pm
CHS
- FAO
2 stops18h 15m
American Airlines
Thu 7/91:20 pm
FAO
- CHS
3 stops25h 47m
American Airlines
Deal found 5/18![American Airlines logo]()
$1,503
This United Airlines deal was found by Cheapflights users on 5/17. 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 9/194:58 pm
CHS
- LIS
2 stops35h 22m
United Airlines
Wed 9/2311:25 am
LIS
- CHS
2 stops41h 34m
United Airlines
Deal found 5/17![United Airlines logo]()
$904
This KLM deal was found by Cheapflights users on 5/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
CHS
- LIS
1 stop21h 00m
KLM
Wed 9/235:00 am
LIS
- CHS
2 stops17h 58m
KLM
Deal found 5/17![KLM logo]()
$964
This United Airlines deal was found by Cheapflights users on 5/17. 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 8/302:54 pm
CHS
- LIS
1 stop14h 36m
United Airlines
Tue 9/811:25 am
LIS
- CHS
2 stops32h 25m
United Airlines
Deal found 5/17![United Airlines logo]()
$935
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Tue 9/88:55 am
CHS
- LIS
2 stops20h 35m
United Airlines
Fri 9/1811:25 am
LIS
- CHS
2 stops41h 34m
United Airlines
Deal found 5/17![United Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 5/17. 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 9/63:35 pm
CHS
- LIS
2 stops13h 55m
United Airlines
Thu 9/175:05 am
LIS
- CHS
2 stops23h 54m
United Airlines
Deal found 5/17![United Airlines logo]()
$949
This United Airlines deal was found by Cheapflights users on 5/14. 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 10/810:19 am
CHS
- LIS
1 stop19h 11m
United Airlines
Tue 10/131:00 pm
LIS
- CHS
2 stops37h 04m
United Airlines
Deal found 5/14![United Airlines logo]()
$959
This United Airlines deal was found by Cheapflights users on 5/18. 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 7/27:46 pm
CHS
- FAO
2 stops33h 04m
United Airlines
Thu 7/93:25 pm
FAO
- CHS
2 stops35h 50m
United Airlines
Deal found 5/18![United Airlines logo]()
$1,208
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Tue 6/306:00 am
CHS
- FAO
2 stops28h 50m
United Airlines
Tue 7/73:25 pm
FAO
- CHS
2 stops35h 50m
United Airlines
Deal found 5/16![United Airlines logo]()
$1,538
Last-minute flights from Charleston to PortugalDiscover last-minute flight deals from Charleston to Portugal. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Portugal. Data last updated May 18, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:05 am
CHS
- LIS
1 stop17h 30m
Multiple Airlines
Tue 6/98:15 am
LIS
- CHS
2 stops30h 58m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,113
This Justfly.com deal was found by Cheapflights users on 5/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:20 pm
CHS
- LIS
2 stops36h 45m
Multiple Airlines
Sat 6/137:25 pm
LIS
- CHS
2 stops43h 30m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$1,110
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:29 am
CHS
- LIS
1 stop19h 46m
Multiple Airlines
Sat 6/136:10 am
LIS
- CHS
2 stops21h 16m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$1,086
This Delta deal was found by Cheapflights users on 5/14. 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.
Wed 6/106:24 pm
CHS
- LIS
2 stops18h 26m
Delta
Wed 6/175:00 am
LIS
- CHS
2 stops21h 33m
Delta
Deal found 5/14![Delta logo]()
$1,119
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:00 am
CHS
- LIS
1 stop21h 20m
Lufthansa
Thu 6/181:00 pm
LIS
- CHS
1 stop26h 40m
Lufthansa
Deal found 5/14![Lufthansa logo]()
$1,161
This United Airlines deal was found by Cheapflights users on 5/14. 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 6/1110:00 am
CHS
- LIS
1 stop19h 30m
United Airlines
Thu 6/1811:25 am
LIS
- CHS
2 stops41h 27m
United Airlines
Deal found 5/14![United Airlines logo]()
$1,175
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 6/157:47 pm
CHS
- LIS
1 stop9h 43m
United Airlines
Mon 7/207:25 am
LIS
- CHS
2 stops43h 23m
United Airlines
Deal found 5/15![United Airlines logo]()
$1,136
This oojo deal was found by Cheapflights users on 5/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:45 pm
CHS
- LIS
2 stops25h 00m
WestJet
Sun 6/286:10 am
LIS
- CHS
2 stops22h 06m
WestJet
Deal found 5/17![WestJet logo]()
$1,114
This oojo deal was found by Cheapflights users on 5/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:22 pm
CHS
- LIS
2 stops45h 33m
WestJet
Tue 6/306:15 am
LIS
- CHS
2 stops22h 01m
WestJet
Deal found 5/14![WestJet logo]()
$1,115
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Tue 6/306:00 am
CHS
- FAO
2 stops28h 50m
United Airlines
Tue 7/73:25 pm
FAO
- CHS
2 stops35h 50m
United Airlines
Deal found 5/16![United Airlines logo]()
$1,538
One-way flights from Charleston to PortugalSearch for one-way flight options from Charleston to Portugal. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
Search for one-way flight options from Charleston to Portugal. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:10 am
CHS
- LIS
2 stops32h 45m
WestJet
Deal found 5/17![WestJet logo]()
$439
This oojo deal was found by Cheapflights users on 5/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:38 pm
CHS
- LIS
1 stop9h 27m
British Airways
Deal found 5/18![British Airways logo]()
$462
This Delta deal was found by Cheapflights users on 5/18. 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.
Wed 9/95:30 am
CHS
- LIS
2 stops21h 30m
Delta
Deal found 5/18![Delta logo]()
$463
This Delta deal was found by Cheapflights users on 5/17. 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 8/29:41 am
CHS
- LIS
2 stops18h 09m
Delta
Deal found 5/17![Delta logo]()
$468
This American Airlines deal was found by Cheapflights users on 5/17. 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.
Sun 8/27:05 am
CHS
- LIS
1 stop21h 00m
American Airlines
Deal found 5/17![American Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 5/14. 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 9/98:55 am
CHS
- LIS
2 stops18h 25m
United Airlines
Deal found 5/14![United Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 5/18. 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.
Fri 7/105:35 pm
CHS
- LIS
2 stops16h 20m
Delta
Deal found 5/18![Delta logo]()
$528
This KLM deal was found by Cheapflights users on 5/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:35 pm
CHS
- LIS
1 stop33h 25m
KLM
Deal found 5/18![KLM logo]()
$536
This oojo deal was found by Cheapflights users on 5/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:00 pm
CHS
- LIS
2 stops27h 45m
WestJet
Deal found 5/17![WestJet logo]()
$554
This oojo deal was found by Cheapflights users on 5/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:43 pm
CHS
- LIS
2 stops45h 12m
WestJet
Deal found 5/14![WestJet logo]()
$560
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:00 am
CHS
- LIS
1 stop19h 30m
Lufthansa
Deal found 5/14![Lufthansa logo]()
$609
Find flight deals from Charleston to Portugal
Keep the following information in mind while searching for Charleston to Portugal flight deals. Data was last updated May 18, 2026.
Round-trip from | $832 (Air Canada) |
|---|---|
One-way from | $439 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $1,215 |
Cheapflights Fare Finder
Customize your flight search to find flights from Charleston 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 May 18, 2026.
Use the filters below to find and compare flights from Charleston to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CharlestonLisbon
CHS - LIS
CHSLIS
Charleston
Wed 10/7
6:00 am-9:20 am
2 stops22h 20m
Lisbon Humberto Delgado
Tue 10/13
11:25 am-12:06 am
2 stops41h 41m
$898
CharlestonLisbon
CHS - LIS
CHSLIS
Charleston
Sat 9/19
4:58 pm-9:20 am
2 stops35h 22m
Lisbon Humberto Delgado
Wed 9/23
11:25 am-11:59 pm
2 stops41h 34m
$904
CharlestonLisbon
CHS - LIS
CHSLIS
Charleston
Sun 8/30
2:54 pm-10:30 am
1 stop14h 36m
Lisbon Humberto Delgado
Tue 9/8
11:25 am-2:50 pm
2 stops32h 25m
$935
CharlestonLisbon
CHS - LIS
CHSLIS
Charleston
Tue 9/8
8:55 am-10:30 am
2 stops20h 35m
Lisbon Humberto Delgado
Fri 9/18
11:25 am-11:59 pm
2 stops41h 34m
$940
Quickest round-trip
CharlestonLisbon
CHS - LIS
CHSLIS
Charleston
Sun 9/6
3:35 pm-10:30 am
2 stops13h 55m
Lisbon Humberto Delgado
Thu 9/17
5:05 am-11:59 pm
2 stops23h 54m
$949
CharlestonLisbon
CHS - LIS
CHSLIS
Charleston
Sat 10/17
6:00 am-8:00 am
1 stop21h 00m
Lisbon Humberto Delgado
Sun 10/25
10:00 am-11:56 pm
2 stops17h 56m
$953
CharlestonLisbon
CHS - LIS
CHSLIS
Charleston
Thu 10/8
10:19 am-10:30 am
1 stop19h 11m
Lisbon Humberto Delgado
Tue 10/13
1:00 pm-9:04 pm
2 stops37h 04m
$959
CharlestonLisbon
CHS - LIS
CHSLIS
Charleston
Sat 9/19
6:00 am-8:00 am
1 stop21h 00m
Lisbon Humberto Delgado
Wed 9/23
5:00 am-5:58 pm
2 stops17h 58m
$964
CharlestonFaro
CHS - FAO
CHSFAO
Charleston
Thu 7/2
7:46 pm-9:50 am
2 stops33h 04m
Faro
Thu 7/9
3:25 pm-10:15 pm
2 stops35h 50m
$1,208
CharlestonFaro
CHS - FAO
CHSFAO
Charleston
Thu 7/2
7:50 pm-7:05 pm
2 stops18h 15m
Faro
Thu 7/9
1:20 pm-10:07 am
3 stops25h 47m
$1,503
Showing 1-10 of 17 resultsSorted by cheapest first
Best time to book a flight from Charleston to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Charleston with our price prediction graph.
CHS-LIS
CHS-FAO
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 Charleston to Portugal
CHS-PT0
CHS-LIS
CHS-FAO
How far ahead should I book a flight from Charleston to Portugal?
Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from Charleston to Portugal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Charleston to Portugal?
Currently, September is the cheapest month in which you can book a flight from Charleston to Portugal (average of $473). Flying from Charleston to Portugal in June is currently the most expensive (average of $948). 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 May 18, 2026.
See what other customers who have flown with Delta,United Airlines, andTAP AIR PORTUGAL from Charleston to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Charleston to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top regions
Alternative routes for Charleston to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Charleston to Portugal by cabin class
Find flights from Charleston to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Charleston and Portugal flights
Browse other Charleston and Portugal flight options. Last updated on May 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 6 airlines flying from Charleston to Portugal
Discover the top 6 airlines that operate flights from Charleston 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 May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$493 | Average$911 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$530 | Average$1,039 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$539 | Average$1,168 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$610 | Average$791 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$739 | Average$1,248 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$785 | Average$1,298 | FlexibilityNo cancel fee | On-timeN/A |