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Cheap flights from San Diego to Portugal from $225

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Portugal departing on 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Diego to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:00 pm - 11:30 pm
SAN
-
LIS
21h 30m
2 stops
Lufthansa Logo
2:10 pm - 3:45 pm
LIS
-
SAN
33h 35m
1 stop
$424Lufthansa
Tue, Feb 10 - Thu, Feb 19
Lufthansa Logo
5:35 pm - 11:30 pm
SAN
-
LIS
21h 55m
1 stop
Lufthansa Logo
6:10 am - 3:45 pm
LIS
-
SAN
17h 35m
1 stop
$432Lufthansa
Wed, Feb 18 - Fri, Feb 27
Multiple Airlines Logo
6:35 pm - 11:30 pm
SAN
-
LIS
21h 55m
1 stop
Multiple Airlines Logo
12:35 pm - 10:40 pm
LIS
-
SAN
41h 05m
2 stops
$435Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
British Airways Logo
12:18 pm - 3:35 pm
SAN
-
LIS
19h 17m
2 stops
British Airways Logo
7:20 am - 5:50 pm
LIS
-
SAN
18h 30m
1 stop
$442British Airways
Tue, Apr 7 - Wed, Apr 22
British Airways Logo
12:18 pm - 3:35 pm
SAN
-
LIS
19h 17m
2 stops
British Airways Logo
7:20 am - 10:00 pm
LIS
-
SAN
22h 40m
2 stops
$445British Airways
Tue, Apr 7 - Wed, Apr 22
American Airlines Logo
6:20 am - 7:40 am
SAN
-
OPO
17h 20m
2 stops
American Airlines Logo
4:40 pm - 8:32 am
OPO
-
SAN
23h 52m
2 stops
$461American Airlines
Tue, Jan 27 - Wed, Feb 4
Delta Logo
6:15 am - 10:30 am
SAN
-
OPO
20h 15m
2 stops
Delta Logo
5:00 am - 8:37 pm
OPO
-
SAN
23h 37m
2 stops
$480Delta
Wed, Jan 28 - Wed, Feb 4
KLM Logo
2:00 pm - 6:00 pm
SAN
-
FAO
20h 00m
1 stop
KLM Logo
8:10 pm - 12:05 pm
FAO
-
SAN
23h 55m
1 stop
$483KLM
Sat, Feb 21 - Fri, Feb 27
KLM Logo
2:00 pm - 9:15 am
SAN
-
FAO
35h 15m
1 stop
KLM Logo
8:10 pm - 6:16 pm
FAO
-
SAN
30h 06m
2 stops
$488KLM
Sat, Feb 21 - Fri, Feb 27
Delta Logo
10:16 am - 3:30 pm
SAN
-
OPO
21h 14m
2 stops
Delta Logo
5:00 am - 11:50 am
OPO
-
SAN
14h 50m
1 stop
$511Delta
Wed, May 6 - Tue, May 12

British Airways flights from San Diego to Portugal

Our best British Airways deals on San Diego to Portugal flight tickets
British Airways
Apr 7
SAN12:18 pmSan Diego
19h 17m
2 stops
LIS3:35 pmLisbon Humberto Delgado
Apr 22
LIS7:20 amLisbon Humberto Delgado
18h 30m
1 stop
SAN5:50 pmSan Diego
$442
British Airways
Apr 7
SAN12:18 pmSan Diego
19h 17m
2 stops
LIS3:35 pmLisbon Humberto Delgado
Apr 22
LIS7:20 amLisbon Humberto Delgado
22h 40m
2 stops
SAN10:00 pmSan Diego
$445
British Airways
Apr 7
SAN7:40 pmSan Diego
19h 20m
1 stop
LIS11:00 pmLisbon Humberto Delgado
Apr 23
LIS6:45 pmLisbon Humberto Delgado
28h 10m
1 stop
SAN2:55 pmSan Diego
$451

Scandinavian Airlines flights from San Diego to Portugal

Our best Scandinavian Airlines deals on San Diego to Portugal flight tickets
Scandinavian Airlines
Mar 1
SAN7:00 amSan Diego
17h 55m
1 stop
LIS8:55 amLisbon Humberto Delgado
Apr 1
LIS11:55 amLisbon Humberto Delgado
31h 55m
1 stop
SAN11:50 amSan Diego
$459
Scandinavian Airlines
Feb 14
SAN11:23 amSan Diego
22h 37m
2 stops
FAO6:00 pmFaro
Feb 23
FAO7:15 pmFaro
24h 50m
1 stop
SAN12:05 pmSan Diego
$543
Scandinavian Airlines
Feb 14
SAN11:23 amSan Diego
22h 37m
2 stops
FAO6:00 pmFaro
Feb 23
FAO7:15 pmFaro
33h 50m
2 stops
SAN9:05 pmSan Diego
$553

momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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, momondo users made 832,500 searches. Data last updated January 16, 2026.
Use the filters below to find and compare flights from San Diego to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 2/10

6:00 pm-11:30 pm

2 stops21h 30m

Lisbon Humberto Delgado

Thu 2/19

2:10 pm-3:45 pm

1 stop33h 35m

$424

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Wed 2/18

5:35 pm-11:30 pm

1 stop21h 55m

Lisbon Humberto Delgado

Fri 2/27

6:10 am-3:45 pm

1 stop17h 35m

$432

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/10

6:35 pm-11:30 pm

1 stop21h 55m

Lisbon Humberto Delgado

Tue 3/17

12:35 pm-10:40 pm

2 stops41h 05m

$435

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 4/7

12:18 pm-3:35 pm

2 stops19h 17m

Lisbon Humberto Delgado

Wed 4/22

7:20 am-5:50 pm

1 stop18h 30m

$442

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 4/7

12:18 pm-3:35 pm

2 stops19h 17m

Lisbon Humberto Delgado

Wed 4/22

7:20 am-10:00 pm

2 stops22h 40m

$445

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Tue 1/27

6:20 am-7:40 am

2 stops17h 20m

Porto

Wed 2/4

4:40 pm-8:32 am

2 stops23h 52m

$461

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Wed 1/28

6:15 am-10:30 am

2 stops20h 15m

Porto

Wed 2/4

5:00 am-8:37 pm

2 stops23h 37m

$480

San DiegoFaro

SAN - FAO

SANFAO

San Diego

Sat 2/21

2:00 pm-6:00 pm

1 stop20h 00m

Faro

Fri 2/27

8:10 pm-12:05 pm

1 stop23h 55m

$483

San DiegoFaro

SAN - FAO

SANFAO

San Diego

Sat 2/21

2:00 pm-9:15 am

1 stop35h 15m

Faro

Fri 2/27

8:10 pm-6:16 pm

2 stops30h 06m

$488

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Wed 5/6

10:16 am-3:30 pm

2 stops21h 14m

Porto

Tue 5/12

5:00 am-11:50 am

1 stop14h 50m

$511

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from San Diego to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from San Diego is in February. Flight prices, which tend to average around $626, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from San Diego during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $631.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $807 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from San Diego for as low as $679 on momondo.

Can stopping save me money on San Diego to Portugal flights?

You could potentially save up to 30% on your flight if you consider stops on a San Diego to Portugal flight.

Cheap San Diego to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Portugal

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from San Diego to Portugal takes 15h 00m
There are no direct flights from San Diego to Portugal. There are no popular flight routes from San Diego to Portugal.
Search flight deals

  • When did momondo last update prices for flights from San Diego Airport to Portugal?

    Prices for flights from San Diego Airport to Portugal refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Portugal?

  • How old do you have to be to fly from San Diego Airport to Portugal?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Diego to Portugal

Compare and see reviews for airlines that fly from San Diego to Portugal with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $490Free CancellationRating
7.7
1,440 reviews
Search KLM flights
IberiaPriceFrom $506Free CancellationRating
7.0
3,087 reviews
Search Iberia flights
LufthansaPriceFrom $549Free CancellationRating
6.8
7,718 reviews
Search Lufthansa flights
American AirlinesPriceFrom $555Free CancellationRating
7.2
11,135 reviews
Search American Airlines flights
DeltaPriceFrom $561Free CancellationRating
7.9
8,049 reviews
Search Delta flights
Virgin AtlanticPriceFrom $565Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $567Free CancellationRating
6.7
7,679 reviews
Search British Airways flights
United AirlinesPriceFrom $573Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
Air CanadaPriceFrom $601Free CancellationRating
7.1
10,624 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Portugal?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Portugal. momondo saves you time and could save you money on your trip.

Can I find flights from San Diego to Portugal with flexible booking policies on momondo?

All flight searches from San Diego to Portugal on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Portugal?

momondo provides multiple filters to help you find the best flight to Portugal from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Diego to Portugal right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portugal from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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