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Cheap flights from Portugal to San Diego from $459

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to San Diego departing on 9/5. 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 Portugal to San Diego

Recent round-trip flight deals from Portugal to San Diego

Logo
3:35 pm - 12:00 pmLIS-SAN
28h 25m1 stop
Logo
6:30 am - 8:00 amSAN-LIS
17h 30m1 stop
$752
Find Deal
lun., ago. 25 - mié., sep. 3
KLM Logo
7:30 pm - 12:00 pmLIS-SAN
24h 30m1 stop
KLM Logo
5:15 pm - 6:40 pmSAN-LIS
17h 25m2 stops
$754KLM
Find Deal
lun., ago. 25 - vie., sep. 5
Delta Logo
5:00 am - 12:00 pmLIS-SAN
15h 00m1 stop
Delta Logo
9:59 am - 2:50 pmSAN-LIS
20h 51m2 stops
$755Delta
Find Deal
jue., sep. 18 - jue., sep. 25
Delta Logo
5:00 am - 6:17 pmLIS-SAN
21h 17m2 stops
Delta Logo
6:15 am - 11:15 amSAN-LIS
21h 00m2 stops
$758Delta
Find Deal
lun., ago. 25 - dom., sep. 7
Air France Logo
5:40 am - 3:54 pmLIS-SAN
18h 14m2 stops
Air France Logo
6:25 am - 8:00 amSAN-LIS
17h 35m2 stops
$772Air France
Find Deal
mar., ago. 26 - mié., sep. 3
Air France Logo
5:40 am - 5:53 pmLIS-SAN
20h 13m2 stops
Air France Logo
6:30 am - 8:00 amSAN-LIS
17h 30m1 stop
$804Air France
Find Deal
lun., ago. 25 - dom., sep. 7
British Airways Logo
11:05 am - 9:16 pmLIS-SAN
18h 11m1 stop
British Airways Logo
4:42 pm - 11:05 pmSAN-LIS
22h 23m2 stops
$833British Airways
Find Deal
lun., ago. 25 - dom., sep. 7
United Airlines Logo
6:15 am - 3:25 pmLIS-SAN
17h 10m1 stop
United Airlines Logo
8:10 am - 9:20 amSAN-LIS
17h 10m1 stop
$861United Airlines
Find Deal
lun., ago. 25 - dom., sep. 7
British Airways Logo
11:05 am - 9:16 pmLIS-SAN
18h 11m1 stop
British Airways Logo
6:22 am - 9:05 amSAN-LIS
18h 43m1 stop
$862British Airways
Find Deal
jue., ago. 28 - jue., sep. 4
United Airlines Logo
5:05 am - 7:46 pmLIS-SAN
22h 41m2 stops
United Airlines Logo
12:35 pm - 10:35 amSAN-LIS
14h 00m1 stop
$865United Airlines
Find Deal
jue., ago. 28 - sáb., sep. 6

Delta flights from Portugal to San Diego

Our best Delta deals on Portugal to San Diego flight tickets
Delta
Sep 18
LIS5:00 amLisbon Humberto Delgado
15h 00m
1 stop
SAN12:00 pmSan Diego
Sep 25
SAN9:59 amSan Diego
20h 51m
2 stops
LIS2:50 pmLisbon Humberto Delgado
$755
Find similar
Delta
Aug 25
LIS5:00 amLisbon Humberto Delgado
21h 17m
2 stops
SAN6:17 pmSan Diego
Sep 7
SAN6:15 amSan Diego
21h 00m
2 stops
LIS11:15 amLisbon Humberto Delgado
$758
Find similar
Delta
Aug 25
LIS5:00 amLisbon Humberto Delgado
21h 17m
2 stops
SAN6:17 pmSan Diego
Sep 7
SAN6:20 amSan Diego
20h 55m
2 stops
LIS11:15 amLisbon Humberto Delgado
$760
Find similar

Lufthansa flights from Portugal to San Diego

Our best Lufthansa deals on Portugal to San Diego flight tickets
Lufthansa
Aug 25
LIS7:30 amLisbon Humberto Delgado
20h 55m
2 stops
SAN8:25 pmSan Diego
Sep 7
SAN5:15 pmSan Diego
20h 35m
1 stop
LIS9:50 pmLisbon Humberto Delgado
$868
Find similar
Lufthansa
Aug 28
LIS5:05 amLisbon Humberto Delgado
27h 10m
2 stops
SAN12:15 amSan Diego
Sep 4
SAN5:56 pmSan Diego
19h 54m
2 stops
LIS9:50 pmLisbon Humberto Delgado
$870
Find similar
Lufthansa
Aug 25
LIS6:15 amLisbon Humberto Delgado
17h 10m
1 stop
SAN3:25 pmSan Diego
Sep 7
SAN5:15 pmSan Diego
20h 35m
1 stop
LIS9:50 pmLisbon Humberto Delgado
$875
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portugal to San Diego 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 agosto 5, 2025.
Use the filters below to find and compare flights from Portugal to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

lun. 8/25

3:35 pm-12:00 pm

1 stop28h 25m

San Diego

mié. 9/3

6:30 am-8:00 am

1 stop17h 30m

$752

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

lun. 8/25

7:30 pm-12:00 pm

1 stop24h 30m

San Diego

vie. 9/5

5:15 pm-6:40 pm

2 stops17h 25m

$754

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 9/18

5:00 am-12:00 pm

1 stop15h 00m

San Diego

jue. 9/25

9:59 am-2:50 pm

2 stops20h 51m

$755

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

lun. 8/25

5:00 am-6:17 pm

2 stops21h 17m

San Diego

dom. 9/7

6:15 am-11:15 am

2 stops21h 00m

$758

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

mar. 8/26

5:40 am-3:54 pm

2 stops18h 14m

San Diego

mié. 9/3

6:25 am-8:00 am

2 stops17h 35m

$772

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

lun. 8/25

5:40 am-5:53 pm

2 stops20h 13m

San Diego

dom. 9/7

6:30 am-8:00 am

1 stop17h 30m

$804

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

lun. 8/25

11:05 am-9:16 pm

1 stop18h 11m

San Diego

dom. 9/7

4:42 pm-11:05 pm

2 stops22h 23m

$833

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

lun. 8/25

6:15 am-3:25 pm

1 stop17h 10m

San Diego

dom. 9/7

8:10 am-9:20 am

1 stop17h 10m

$861

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 8/28

11:05 am-9:16 pm

1 stop18h 11m

San Diego

jue. 9/4

6:22 am-9:05 am

1 stop18h 43m

$862

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 8/28

5:05 am-7:46 pm

2 stops22h 41m

San Diego

sáb. 9/6

12:35 pm-10:35 am

1 stop14h 00m

$865

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 San Diego from

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

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 San Diego?

If you are unable to visit San Diego during the month of November, then departing from Portugal during the month December is also very affordable. Most momondo users find prices during this month for around $836.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Portugal to San Diego is on a Saturday. Travelers who choose to depart for San Diego on a Saturday will often find tickets for as low as $809. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $974. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

You could potentially save up to 23% on your flight if you consider stops on a Portugal to San Diego flight.

Cheap Portugal to San Diego flight deals and tips

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

Best Price Found

$459

Fastest flight time

15h 00m

Direct flights

None

Airports in San Diego

1 airport
The best one-way flight to San Diego from Portugal in the past 72 hours is $459. The best round-trip flight deal from Portugal to San Diego found on momondo in the last 72 hours is $752.
The fastest flight from Portugal to San Diego takes 15h 00m
There are no direct flights from Portugal to San Diego. Popular non-direct route for this connection is Lisbon Humberto Delgado Airport - San Diego Airport.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

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

    Prices for flights from Portugal to San Diego Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portugal to San Diego

Compare and see reviews for airlines that fly from Portugal to San Diego with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $710Free CancellationRating
6.6
7,237 reviews
Search British Airways flights
United AirlinesPriceFrom $746Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
La Mesa
Imperial Beach
Poway
San Ysidro
Borrego Springs
Alpine
Lemon Grove
Santee

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portugal to San Diego. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to San Diego from Portugal which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portugal to San Diego.

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

Yes. momondo can track prices for Portugal to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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