$336+ Cheap flights from San Antonio (SAT) 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIS
Apr 21 — Apr 281
Round-trip
1 adult, Economy
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Cheapest flights from San Antonio to PortugalExplore the most affordable flight options available from San Antonio to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.
Explore the most affordable flight options available from San Antonio to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.
This United Airlines deal was found by Cheapflights users on 3/19. 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 12/42:01 pm
SAT
- LIS
2 stops14h 14m
United Airlines
Tue 12/811:20 am
LIS
- SAT
2 stops34h 10m
United Airlines
Deal found 3/19![United Airlines logo]()
$661
This Delta deal was found by Cheapflights users on 3/21. 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 12/42:00 pm
SAT
- LIS
1 stop12h 00m
Delta
Tue 12/85:00 am
LIS
- SAT
2 stops24h 20m
Delta
Deal found 3/21![Delta logo]()
$666
This KLM deal was found by Cheapflights users on 3/22. 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.
Tue 4/214:44 pm
SAT
- LIS
2 stops16h 11m
Multiple Airlines
Tue 4/289:20 am
LIS
- SAT
2 stops19h 48m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$670
This British Airways deal was found by Cheapflights users on 3/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:21 pm
SAT
- LIS
2 stops17h 59m
Multiple Airlines
Sat 11/216:30 am
LIS
- SAT
2 stops20h 29m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$673
This KAYAK deal was found by Cheapflights users on 3/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:05 am
SAT
- LIS
1 stop20h 00m
Multiple Airlines
Tue 4/216:35 am
LIS
- SAT
2 stops22h 40m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$675
This United Airlines deal was found by Cheapflights users on 3/22. 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 10/1712:10 pm
SAT
- LIS
1 stop16h 25m
United Airlines
Sat 11/2111:55 am
LIS
- SAT
1 stop14h 11m
United Airlines
Deal found 3/22![United Airlines logo]()
$677
This Gurufare deal was found by Cheapflights users on 3/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:50 pm
SAT
- LIS
2 stops22h 55m
Lufthansa
Tue 4/285:05 am
LIS
- SAT
2 stops21h 37m
Lufthansa
Deal found 3/20![Lufthansa logo]()
$698
This Delta deal was found by Cheapflights users on 3/18. 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 4/151:15 pm
SAT
- LIS
2 stops19h 40m
Delta
Tue 4/215:00 am
LIS
- SAT
2 stops22h 30m
Delta
Deal found 3/18![Delta logo]()
$720
This Air Canada deal was found by Cheapflights users on 3/20. 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.
Mon 5/47:10 pm
SAT
- TER
3 stops36h 40m
Air Canada
Mon 5/117:05 am
TER
- SAT
2 stops19h 13m
Air Canada
Deal found 3/20![Air Canada logo]()
$1,614
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/20. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:25 am
SAT
- TER
2 stops24h 00m
Multiple Airlines
Mon 5/1111:40 am
TER
- SAT
2 stops27h 54m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$2,114
Best flights from San Antonio to PortugalDiscover carefully curated flight deals from San Antonio to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 22, 2026.
Discover carefully curated flight deals from San Antonio to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 22, 2026.
This Delta deal was found by Cheapflights users on 3/18. 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 4/151:15 pm
SAT
- LIS
2 stops19h 40m
Delta
Tue 4/215:00 am
LIS
- SAT
2 stops22h 30m
Delta
Deal found 3/18![Delta logo]()
$720
This KLM deal was found by Cheapflights users on 3/19. 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.
Tue 4/2112:26 pm
SAT
- LIS
2 stops16h 49m
Multiple Airlines
Tue 4/289:20 am
LIS
- SAT
2 stops19h 48m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 3/21. 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 4/155:50 pm
SAT
- LIS
2 stops34h 40m
United Airlines
Tue 4/2111:25 am
LIS
- SAT
3 stops36h 18m
United Airlines
Deal found 3/21![United Airlines logo]()
$793
This KLM deal was found by Cheapflights users on 3/21. 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.
Wed 4/154:44 pm
SAT
- LIS
2 stops16h 11m
Multiple Airlines
Tue 4/219:20 am
LIS
- SAT
2 stops19h 48m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$739
This Air Canada deal was found by Cheapflights users on 3/20. 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.
Mon 5/47:10 pm
SAT
- TER
3 stops36h 40m
Air Canada
Mon 5/117:05 am
TER
- SAT
2 stops19h 13m
Air Canada
Deal found 3/20![Air Canada logo]()
$1,614
This Delta deal was found by Cheapflights users on 3/20. 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.
Tue 7/2110:45 am
SAT
- LIS
2 stops16h 05m
Delta
Tue 8/45:35 am
LIS
- SAT
2 stops23h 37m
Delta
Deal found 3/20![Delta logo]()
$903
This United Airlines deal was found by Cheapflights users on 3/20. 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 4/311:46 am
SAT
- LIS
2 stops17h 59m
United Airlines
Fri 4/1012:20 pm
LIS
- SAT
1 stop14h 20m
United Airlines
Deal found 3/20![United Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/1412:15 pm
SAT
- LIS
1 stop14h 05m
United Airlines
Tue 4/2112:20 pm
LIS
- SAT
1 stop14h 20m
United Airlines
Deal found 3/17![United Airlines logo]()
$944
This United Airlines deal was found by Cheapflights users on 3/19. 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 7/2112:01 pm
SAT
- LIS
1 stop16h 29m
United Airlines
Tue 8/412:20 pm
LIS
- SAT
1 stop28h 39m
United Airlines
Deal found 3/19![United Airlines logo]()
$952
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/20. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:25 am
SAT
- TER
2 stops24h 00m
Multiple Airlines
Mon 5/1111:40 am
TER
- SAT
2 stops27h 54m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$2,114
Last-minute flights from San Antonio to PortugalDiscover last-minute flight deals from San Antonio to Portugal. Data last updated March 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Portugal. Data last updated March 22, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 3/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:05 am
SAT
- LIS
1 stop20h 00m
Multiple Airlines
Tue 4/216:35 am
LIS
- SAT
2 stops22h 40m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$675
This Delta deal was found by Cheapflights users on 3/18. 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 4/151:15 pm
SAT
- LIS
2 stops19h 40m
Delta
Tue 4/2811:55 am
LIS
- SAT
2 stops18h 51m
Delta
Deal found 3/18![Delta logo]()
$720
This KLM deal was found by Cheapflights users on 3/22. 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.
Wed 4/154:44 pm
SAT
- LIS
2 stops16h 11m
Multiple Airlines
Tue 4/219:20 am
LIS
- SAT
2 stops19h 48m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$739
This KAYAK deal was found by Cheapflights users on 3/20. 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 4/155:50 pm
SAT
- LIS
2 stops22h 25m
Lufthansa
Tue 4/216:45 am
LIS
- SAT
2 stops19h 55m
Lufthansa
Deal found 3/20![Lufthansa logo]()
$752
This Gurufare deal was found by Cheapflights users on 3/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:50 pm
SAT
- LIS
2 stops22h 25m
Lufthansa
Tue 4/285:05 am
LIS
- SAT
2 stops23h 53m
Lufthansa
Deal found 3/20![Lufthansa logo]()
$778
This KLM deal was found by Cheapflights users on 3/22. 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.
Tue 4/214:44 pm
SAT
- LIS
2 stops16h 11m
Multiple Airlines
Tue 4/289:20 am
LIS
- SAT
2 stops19h 48m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$670
This Gurufare deal was found by Cheapflights users on 3/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:50 pm
SAT
- LIS
2 stops22h 55m
Lufthansa
Tue 4/285:05 am
LIS
- SAT
2 stops21h 37m
Lufthansa
Deal found 3/20![Lufthansa logo]()
$698
One-way flights from San Antonio to PortugalSearch for one-way flight options from San Antonio to Portugal. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
Search for one-way flight options from San Antonio to Portugal. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:13 pm
SAT
- LIS
3 stops46h 27m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$336
This Justfly.com deal was found by Cheapflights users on 3/19. 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.
Fri 5/86:26 am
SAT
- LIS
2 stops45h 49m
Aer Lingus
Deal found 3/19![Aer Lingus logo]()
$472
This TravelUp deal was found by Cheapflights users on 3/19. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3012:09 pm
SAT
- LIS
1 stop16h 21m
Lufthansa
Deal found 3/19![Lufthansa logo]()
$524
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:54 pm
SAT
- LIS
3 stops54h 26m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 3/19. 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 3/3011:46 am
SAT
- LIS
2 stops16h 44m
United Airlines
Deal found 3/19![United Airlines logo]()
$526
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Fri 5/86:07 am
SAT
- LIS
3 stops47h 53m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$527
This Air Canada deal was found by Cheapflights users on 3/19. 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.
Tue 5/198:30 am
SAT
- LIS
2 stops21h 15m
Air Canada
Deal found 3/19![Air Canada logo]()
$550
Find flight deals from San Antonio to Portugal
Keep the following information in mind while searching for San Antonio to Portugal flight deals. Data was last updated March 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $670 (KLM) |
One-way from | $336 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $904 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio 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 22, 2026.
Use the filters below to find and compare flights from San Antonio to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioLisbon
SAT - LIS
SATLIS
San Antonio
Wed 4/15
1:15 pm-2:55 pm
2 stops19h 40m
Lisbon Humberto Delgado
Tue 4/21
5:00 am-9:30 pm
2 stops22h 30m
$720
San AntonioLisbon
SAT - LIS
SATLIS
San Antonio
Tue 4/21
12:26 pm-11:15 am
2 stops16h 49m
Lisbon Humberto Delgado
Tue 4/28
9:20 am-11:08 pm
2 stops19h 48m
$720
San AntonioLisbon
SAT - LIS
SATLIS
San Antonio
Wed 4/15
4:44 pm-2:55 pm
2 stops16h 11m
Lisbon Humberto Delgado
Tue 4/21
9:20 am-11:08 pm
2 stops19h 48m
$739
San AntonioLisbon
SAT - LIS
SATLIS
San Antonio
Wed 4/15
5:50 pm-10:30 am
2 stops34h 40m
Lisbon Humberto Delgado
Tue 4/21
11:25 am-5:43 pm
3 stops36h 18m
$793
San AntonioLisbon
SAT - LIS
SATLIS
San Antonio
Tue 7/21
10:45 am-8:50 am
2 stops16h 05m
Lisbon Humberto Delgado
Tue 8/4
5:35 am-11:12 pm
2 stops23h 37m
$903
San AntonioLisbon
SAT - LIS
SATLIS
San Antonio
Fri 4/3
11:46 am-11:45 am
2 stops17h 59m
Lisbon Humberto Delgado
Fri 4/10
12:20 pm-8:40 pm
1 stop14h 20m
$916
Quickest round-trip
San AntonioLisbon
SAT - LIS
SATLIS
San Antonio
Tue 4/14
12:15 pm-8:20 am
1 stop14h 05m
Lisbon Humberto Delgado
Tue 4/21
12:20 pm-8:40 pm
1 stop14h 20m
$944
San AntonioLisbon
SAT - LIS
SATLIS
San Antonio
Tue 7/21
12:01 pm-10:30 am
1 stop16h 29m
Lisbon Humberto Delgado
Tue 8/4
12:20 pm-10:59 am
1 stop28h 39m
$952
San AntonioLajes
SAT - TER
SATTER
San Antonio
Mon 5/4
7:10 pm-12:50 pm
3 stops36h 40m
Lajes
Mon 5/11
7:05 am-9:18 pm
2 stops19h 13m
$1,614
San AntonioLajes
SAT - TER
SATTER
San Antonio
Mon 5/4
5:25 am-10:25 am
2 stops24h 00m
Lajes
Mon 5/11
11:40 am-10:34 am
2 stops27h 54m
$2,114
Showing 1-10 of 16 resultsSorted by cheapest first
Best time to book a flight from San Antonio to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from San Antonio with our price prediction graph.
SAT-LIS
SAT-TER
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 San Antonio to Portugal
SAT-PT0
SAT-LIS
SAT-TER
What is the cheapest month to book a flight from San Antonio to Portugal?
Currently, January is the cheapest month in which you can book a flight from San Antonio to Portugal (average of $417). Flying from San Antonio to Portugal in June is currently the most expensive (average of $785). 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 22, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andLufthansa from San Antonio to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Overall
7.9
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Antonio 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.
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Find flights from San Antonio to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Portugal flights
Browse other San Antonio and Portugal flight options. Last updated on March 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Antonio to Portugal flights
Consider these flights traveling from San Antonio to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 4 airlines flying from San Antonio to Portugal
Discover the top 4 airlines that operate flights from San Antonio 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 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$445 | Average$776 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$492 | Average$987 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$502 | Average$927 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$807 | Average$946 | FlexibilityNo cancel fee | On-time76% |