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Cheap flights from Portugal to San Diego from $441

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 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
9:55 am - 6:19 pm
LIS
-
SAN
16h 24m
1 stop
Multiple Airlines Logo
10:28 am - 11:45 am
SAN
-
LIS
17h 17m
1 stop
$868Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Scandinavian Airlines Logo
4:55 pm - 11:45 pm
LIS
-
SAN
38h 50m
2 stops
Scandinavian Airlines Logo
7:00 am - 4:05 pm
SAN
-
LIS
25h 05m
2 stops
$869Scandinavian Airlines
Mon, Jan 18 - Sat, Jan 30
Scandinavian Airlines Logo
4:55 pm - 10:57 pm
LIS
-
SAN
38h 02m
2 stops
Scandinavian Airlines Logo
3:00 pm - 4:05 pm
SAN
-
LIS
41h 05m
2 stops
$870Scandinavian Airlines
Fri, Nov 13 - Mon, Nov 16
Scandinavian Airlines Logo
4:55 pm - 10:57 pm
LIS
-
SAN
38h 02m
2 stops
Scandinavian Airlines Logo
3:00 pm - 4:05 pm
SAN
-
LIS
41h 05m
2 stops
$871Scandinavian Airlines
Fri, Nov 13 - Mon, Nov 16
Scandinavian Airlines Logo
4:55 pm - 10:57 pm
LIS
-
SAN
38h 02m
2 stops
Scandinavian Airlines Logo
3:00 pm - 4:05 pm
SAN
-
LIS
41h 05m
2 stops
$877Scandinavian Airlines
Fri, Nov 13 - Mon, Nov 16
Multiple Airlines Logo
9:55 am - 6:19 pm
LIS
-
SAN
16h 24m
1 stop
Multiple Airlines Logo
11:11 am - 11:45 am
SAN
-
LIS
16h 34m
1 stop
$882Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Scandinavian Airlines Logo
4:55 pm - 8:49 pm
LIS
-
SAN
35h 54m
2 stops
Scandinavian Airlines Logo
8:00 am - 4:05 pm
SAN
-
LIS
24h 05m
2 stops
$908Scandinavian Airlines
Mon, Jan 18 - Thu, Jan 28
Multiple Airlines Logo
2:05 pm - 12:54 pm
LIS
-
SAN
30h 49m
2 stops
Multiple Airlines Logo
5:35 pm - 11:30 pm
SAN
-
LIS
21h 55m
1 stop
$937Multiple Airlines
Tue, Jan 19 - Wed, Jan 27
Iberia Logo
8:20 am - 8:41 pm
LIS
-
SAN
20h 21m
2 stops
Iberia Logo
9:24 am - 9:05 am
SAN
-
LIS
15h 41m
1 stop
$938Iberia
Sat, Jan 16 - Mon, Jan 18
Iberia Logo
12:30 pm - 11:59 pm
LIS
-
SAN
19h 29m
2 stops
Iberia Logo
6:20 am - 9:05 am
SAN
-
LIS
18h 45m
1 stop
$939Iberia
Thu, Aug 27 - Thu, Sep 10

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Delta flights from Portugal to San Diego

Our best Delta deals on Portugal to San Diego flight tickets
Delta
Aug 31
LIS5:00 amLisbon Humberto Delgado
23h 35m
2 stops
SAN8:35 pmSan Diego
Sep 15
SAN1:15 pmSan Diego
20h 35m
2 stops
LIS5:50 pmLisbon Humberto Delgado
$986
Delta
Aug 27
LIS5:00 amLisbon Humberto Delgado
20h 04m
2 stops
SAN5:04 pmSan Diego
Sep 10
SAN1:38 pmSan Diego
20h 12m
2 stops
LIS5:50 pmLisbon Humberto Delgado
$987
Delta
Aug 31
LIS5:00 amLisbon Humberto Delgado
21h 05m
2 stops
SAN6:05 pmSan Diego
Sep 15
SAN7:30 amSan Diego
16h 30m
1 stop
LIS8:00 amLisbon Humberto Delgado
$990

Scandinavian Airlines flights from Portugal to San Diego

Our best Scandinavian Airlines deals on Portugal to San Diego flight tickets
Scandinavian Airlines
Jan 18
LIS4:55 pmLisbon Humberto Delgado
38h 50m
2 stops
SAN11:45 pmSan Diego
Jan 30
SAN7:00 amSan Diego
25h 05m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$869
Scandinavian Airlines
Nov 13
LIS4:55 pmLisbon Humberto Delgado
38h 02m
2 stops
SAN10:57 pmSan Diego
Nov 16
SAN3:00 pmSan Diego
41h 05m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$870
Scandinavian Airlines
Nov 13
LIS4:55 pmLisbon Humberto Delgado
38h 02m
2 stops
SAN10:57 pmSan Diego
Nov 16
SAN3:00 pmSan Diego
41h 05m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$871

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 August 1, 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

Thu 9/10

9:55 am-6:19 pm

1 stop16h 24m

San Diego

Thu 9/17

10:28 am-11:45 am

1 stop17h 17m

$868

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 1/18

4:55 pm-11:45 pm

2 stops38h 50m

San Diego

Sat 1/30

7:00 am-4:05 pm

2 stops25h 05m

$869

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 11/13

4:55 pm-10:57 pm

2 stops38h 02m

San Diego

Mon 11/16

3:00 pm-4:05 pm

2 stops41h 05m

$870

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 11/13

4:55 pm-10:57 pm

2 stops38h 02m

San Diego

Mon 11/16

3:00 pm-4:05 pm

2 stops41h 05m

$871

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 11/13

4:55 pm-10:57 pm

2 stops38h 02m

San Diego

Mon 11/16

3:00 pm-4:05 pm

2 stops41h 05m

$877
Quickest round-trip

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 9/10

9:55 am-6:19 pm

1 stop16h 24m

San Diego

Thu 9/17

11:11 am-11:45 am

1 stop16h 34m

$882

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 1/18

4:55 pm-8:49 pm

2 stops35h 54m

San Diego

Thu 1/28

8:00 am-4:05 pm

2 stops24h 05m

$908

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Tue 1/19

2:05 pm-12:54 pm

2 stops30h 49m

San Diego

Wed 1/27

5:35 pm-11:30 pm

1 stop21h 55m

$937

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Sat 1/16

8:20 am-8:41 pm

2 stops20h 21m

San Diego

Mon 1/18

9:24 am-9:05 am

1 stop15h 41m

$938

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 8/27

12:30 pm-11:59 pm

2 stops19h 29m

San Diego

Thu 9/10

6:20 am-9:05 am

1 stop18h 45m

$939

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 September, then departing from Portugal during the month January is also very affordable. Most momondo users find prices during this month for around $778.

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

You could potentially save up to 17% 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

Fastest flight time

16h 24m

Direct flights

None
The fastest flight from Portugal to San Diego takes 16h 24m
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
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Poway
San Ysidro
Imperial Beach
Santee
Borrego Springs
Lemon Grove
Alpine

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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