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Cheap flights from Portugal to San Diego from $436

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 5/21. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:05 am - 10:24 pm
LIS
-
SAN
19h 19m
1 stop
Multiple Airlines Logo
4:45 pm - 3:40 pm
SAN
-
LIS
14h 55m
1 stop
$985Multiple Airlines
jue., oct. 15 - mié., oct. 21
Multiple Airlines Logo
7:25 am - 8:46 pm
LIS
-
SAN
21h 21m
2 stops
Multiple Airlines Logo
6:55 pm - 11:05 am
SAN
-
LIS
32h 10m
2 stops
$992Multiple Airlines
jue., may. 21 - vie., jun. 5
Multiple Airlines Logo
5:05 am - 5:20 pm
LIS
-
SAN
20h 15m
2 stops
Multiple Airlines Logo
6:55 pm - 11:05 am
SAN
-
LIS
32h 10m
2 stops
$996Multiple Airlines
jue., may. 21 - vie., jun. 5
United Airlines Logo
5:05 am - 6:30 pm
LIS
-
SAN
21h 25m
2 stops
United Airlines Logo
9:45 pm - 10:30 am
SAN
-
LIS
28h 45m
1 stop
$1,001United Airlines
lun., jun. 8 - lun., jun. 15
Multiple Airlines Logo
6:35 am - 8:00 pm
LIS
-
SAN
21h 25m
2 stops
Multiple Airlines Logo
4:45 pm - 3:40 pm
SAN
-
LIS
14h 55m
1 stop
$1,003Multiple Airlines
jue., oct. 15 - mié., oct. 21
Delta Logo
5:00 am - 11:50 am
LIS
-
SAN
14h 50m
1 stop
Delta Logo
1:37 pm - 5:50 pm
SAN
-
LIS
20h 13m
2 stops
$1,004Delta
jue., may. 21 - jue., may. 28
Delta Logo
5:00 am - 11:50 am
LIS
-
SAN
14h 50m
1 stop
Delta Logo
7:30 am - 8:00 am
SAN
-
LIS
16h 30m
1 stop
$1,005Delta
jue., may. 21 - vie., jun. 5
Delta Logo
5:00 am - 6:07 pm
LIS
-
SAN
21h 07m
2 stops
Delta Logo
7:15 am - 11:15 am
SAN
-
LIS
20h 00m
2 stops
$1,006Delta
mié., may. 20 - sáb., may. 30
Delta Logo
5:00 am - 11:50 am
LIS
-
SAN
14h 50m
1 stop
Delta Logo
1:37 pm - 5:50 pm
SAN
-
LIS
20h 13m
2 stops
$1,007Delta
jue., may. 14 - sáb., may. 30
Delta Logo
5:00 am - 6:45 pm
LIS
-
SAN
21h 45m
2 stops
Delta Logo
1:37 pm - 5:50 pm
SAN
-
LIS
20h 13m
2 stops
$1,009Delta
mié., may. 20 - sáb., may. 30

Lufthansa flights from Portugal to San Diego

Our best Lufthansa deals on Portugal to San Diego flight tickets
Lufthansa
May 20
LIS6:45 amLisbon Humberto Delgado
22h 27m
2 stops
SAN9:12 pmSan Diego
May 30
SAN5:15 pmSan Diego
21h 30m
1 stop
LIS10:45 pmLisbon Humberto Delgado
$1,031
Lufthansa
May 20
LIS6:15 amLisbon Humberto Delgado
17h 10m
1 stop
SAN3:25 pmSan Diego
May 30
SAN5:15 pmSan Diego
21h 30m
1 stop
LIS10:45 pmLisbon Humberto Delgado
$1,036
Lufthansa
May 20
LIS6:15 amLisbon Humberto Delgado
17h 10m
1 stop
SAN3:25 pmSan Diego
May 30
SAN5:15 pmSan Diego
21h 30m
1 stop
LIS10:45 pmLisbon Humberto Delgado
$1,039

British Airways flights from Portugal to San Diego

Our best British Airways deals on Portugal to San Diego flight tickets
British Airways
Jun 2
LIS6:45 pmLisbon Humberto Delgado
28h 10m
1 stop
SAN2:55 pmSan Diego
Jun 9
SAN7:40 pmSan Diego
19h 20m
1 stop
LIS11:00 pmLisbon Humberto Delgado
$1,092
British Airways
Jun 20
LIS11:05 amLisbon Humberto Delgado
17h 48m
1 stop
SAN8:53 pmSan Diego
Jul 18
SAN7:40 pmSan Diego
19h 30m
1 stop
LIS11:10 pmLisbon Humberto Delgado
$1,224
British Airways
Jun 20
LIS7:10 amLisbon Humberto Delgado
20h 57m
2 stops
SAN8:07 pmSan Diego
Jul 18
SAN6:15 amSan Diego
18h 50m
1 stop
LIS9:05 amLisbon Humberto Delgado
$1,258

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 abril 24, 2026.
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

Cheapest round-trip

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 10/15

11:05 am-10:24 pm

1 stop19h 19m

San Diego

mié. 10/21

4:45 pm-3:40 pm

1 stop14h 55m

$985

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 5/21

7:25 am-8:46 pm

2 stops21h 21m

San Diego

vie. 6/5

6:55 pm-11:05 am

2 stops32h 10m

$992

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 5/21

5:05 am-5:20 pm

2 stops20h 15m

San Diego

vie. 6/5

6:55 pm-11:05 am

2 stops32h 10m

$996

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

lun. 6/8

5:05 am-6:30 pm

2 stops21h 25m

San Diego

lun. 6/15

9:45 pm-10:30 am

1 stop28h 45m

$1,001

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 10/15

6:35 am-8:00 pm

2 stops21h 25m

San Diego

mié. 10/21

4:45 pm-3:40 pm

1 stop14h 55m

$1,003

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 5/21

5:00 am-11:50 am

1 stop14h 50m

San Diego

jue. 5/28

1:37 pm-5:50 pm

2 stops20h 13m

$1,004
Quickest round-trip

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 5/21

5:00 am-11:50 am

1 stop14h 50m

San Diego

vie. 6/5

7:30 am-8:00 am

1 stop16h 30m

$1,005

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

mié. 5/20

5:00 am-6:07 pm

2 stops21h 07m

San Diego

sáb. 5/30

7:15 am-11:15 am

2 stops20h 00m

$1,006

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 5/14

5:00 am-11:50 am

1 stop14h 50m

San Diego

sáb. 5/30

1:37 pm-5:50 pm

2 stops20h 13m

$1,007

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

mié. 5/20

5:00 am-6:45 pm

2 stops21h 45m

San Diego

sáb. 5/30

1:37 pm-5:50 pm

2 stops20h 13m

$1,009

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 January, then departing from Portugal during the month April is also very affordable. Most momondo users find prices during this month for around $887.

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

Fastest flight time

14h 50m

Direct flights

None
The fastest flight from Portugal to San Diego takes 14h 50m
There are no direct flights from Portugal to San Diego. There are no popular flight routes from Portugal to San Diego.
Search flight deals

Frequently asked questions about flying from Portugal to San Diego

  • 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 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.

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
Poway
San Ysidro
La Mesa
Imperial Beach
Borrego Springs
Lemon Grove
Alpine
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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