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Cheap flights from San Diego to Portugal from $300

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 1/19. 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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Find the cheapest flights from San Diego to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
11:08 am - 8:10 amSAN-LIS
37h 02m2 stops
Lufthansa Logo
7:00 pm - 3:45 pmLIS-SAN
28h 45m1 stop
$439Lufthansa
Find Deal
sáb., ene. 10 - sáb., ene. 24
Lufthansa Logo
5:35 pm - 11:30 pmSAN-LIS
21h 55m1 stop
Lufthansa Logo
6:10 am - 3:45 pmLIS-SAN
17h 35m1 stop
$480Lufthansa
Find Deal
mar., dic. 2 - mar., dic. 9
United Airlines Logo
12:50 pm - 10:15 amSAN-LIS
13h 25m1 stop
United Airlines Logo
11:20 am - 9:22 pmLIS-SAN
42h 02m2 stops
$483United Airlines
Find Deal
mar., dic. 2 - mar., dic. 9
United Airlines Logo
10:40 pm - 9:20 amSAN-LIS
26h 40m2 stops
United Airlines Logo
6:10 am - 3:45 pmLIS-SAN
17h 35m1 stop
$485United Airlines
Find Deal
lun., ene. 12 - mié., ene. 21
Multiple Airlines Logo
12:45 pm - 8:55 amSAN-LIS
36h 10m2 stops
Multiple Airlines Logo
6:10 am - 10:33 pmLIS-SAN
24h 23m2 stops
$486Multiple Airlines
Find Deal
vie., ene. 16 - lun., ene. 26
Air Canada Logo
6:30 am - 9:20 amSAN-LIS
18h 50m2 stops
Air Canada Logo
11:20 am - 3:33 pmLIS-SAN
36h 13m2 stops
$489Air Canada
Find Deal
mar., ene. 13 - mié., ene. 21
Air Canada Logo
12:40 pm - 8:55 amSAN-LIS
36h 15m2 stops
Air Canada Logo
11:20 am - 3:36 pmLIS-SAN
36h 16m2 stops
$491Air Canada
Find Deal
vie., ene. 9 - vie., ene. 23
Delta Logo
7:05 am - 10:30 amSAN-OPO
19h 25m2 stops
Delta Logo
6:05 am - 11:48 pmOPO-SAN
49h 43m2 stops
$492Delta
Find Deal
vie., feb. 6 - mar., feb. 10
British Airways Logo
11:42 am - 2:45 pmSAN-FAO
19h 03m2 stops
British Airways Logo
7:55 pm - 2:55 pmFAO-SAN
27h 00m1 stop
$673British Airways
Find Deal
lun., may. 4 - jue., may. 21
British Airways Logo
11:42 am - 2:45 pmSAN-FAO
19h 03m2 stops
British Airways Logo
7:55 pm - 5:44 pmFAO-SAN
29h 49m2 stops
$683British Airways
Find Deal
lun., may. 4 - jue., may. 21

United Airlines flights from San Diego to Portugal

Our best United Airlines deals on San Diego to Portugal flight tickets
United Airlines
Nov 23
SAN12:55 pmSan Diego
13h 20m
1 stop
LIS10:15 amLisbon Humberto Delgado
Dec 9
LIS6:10 amLisbon Humberto Delgado
17h 35m
1 stop
SAN3:45 pmSan Diego
$479
Find similar
United Airlines
Dec 2
SAN6:30 amSan Diego
18h 50m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 9
LIS11:20 amLisbon Humberto Delgado
42h 02m
2 stops
SAN9:22 pmSan Diego
$483
Find similar
United Airlines
Jan 12
SAN10:40 pmSan Diego
26h 40m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 21
LIS6:10 amLisbon Humberto Delgado
17h 35m
1 stop
SAN3:45 pmSan Diego
$485
Find similar

Lufthansa flights from San Diego to Portugal

Our best Lufthansa deals on San Diego to Portugal flight tickets
Lufthansa
Jan 10
SAN11:08 amSan Diego
37h 02m
2 stops
LIS8:10 amLisbon Humberto Delgado
Jan 24
LIS7:00 pmLisbon Humberto Delgado
28h 45m
1 stop
SAN3:45 pmSan Diego
$439
Find similar
Lufthansa
Dec 2
SAN5:35 pmSan Diego
21h 55m
1 stop
LIS11:30 pmLisbon Humberto Delgado
Dec 9
LIS6:10 amLisbon Humberto Delgado
17h 35m
1 stop
SAN3:45 pmSan Diego
$480
Find similar
Lufthansa
Feb 6
SAN9:55 amSan Diego
18h 55m
2 stops
OPO12:50 pmPorto
Feb 10
OPO6:00 amPorto
23h 56m
2 stops
SAN9:56 pmSan Diego
$486
Find similar

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 noviembre 20, 2025.
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

sáb. 1/10

11:08 am-8:10 am

2 stops37h 02m

Lisbon Humberto Delgado

sáb. 1/24

7:00 pm-3:45 pm

1 stop28h 45m

$439

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mar. 12/2

5:35 pm-11:30 pm

1 stop21h 55m

Lisbon Humberto Delgado

mar. 12/9

6:10 am-3:45 pm

1 stop17h 35m

$480

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mar. 12/2

12:50 pm-10:15 am

1 stop13h 25m

Lisbon Humberto Delgado

mar. 12/9

11:20 am-9:22 pm

2 stops42h 02m

$483

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

lun. 1/12

10:40 pm-9:20 am

2 stops26h 40m

Lisbon Humberto Delgado

mié. 1/21

6:10 am-3:45 pm

1 stop17h 35m

$485

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

vie. 1/16

12:45 pm-8:55 am

2 stops36h 10m

Lisbon Humberto Delgado

lun. 1/26

6:10 am-10:33 pm

2 stops24h 23m

$486

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mar. 1/13

6:30 am-9:20 am

2 stops18h 50m

Lisbon Humberto Delgado

mié. 1/21

11:20 am-3:33 pm

2 stops36h 13m

$489

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

vie. 1/9

12:40 pm-8:55 am

2 stops36h 15m

Lisbon Humberto Delgado

vie. 1/23

11:20 am-3:36 pm

2 stops36h 16m

$491

San DiegoPorto

SAN - OPO

SANOPO

San Diego

vie. 2/6

7:05 am-10:30 am

2 stops19h 25m

Porto

mar. 2/10

6:05 am-11:48 pm

2 stops49h 43m

$492

San DiegoFaro

SAN - FAO

SANFAO

San Diego

lun. 5/4

11:42 am-2:45 pm

2 stops19h 03m

Faro

jue. 5/21

7:55 pm-2:55 pm

1 stop27h 00m

$673

San DiegoFaro

SAN - FAO

SANFAO

San Diego

lun. 5/4

11:42 am-2:45 pm

2 stops19h 03m

Faro

jue. 5/21

7:55 pm-5:44 pm

2 stops29h 49m

$683

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 November. Flight prices, which tend to average around $661, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from San Diego during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $719.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Wednesday is the cheapest day to fly to Portugal from San Diego. The lowest ticket price found for a Wednesday departure recently was $878. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,214.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from San Diego to Portugal during this time can be as low as $888. In the morning is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,071 per ticket.

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 $929 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 $737 on momondo.

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

You could potentially save up to 37% 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

Direct flights

None
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
LufthansaPriceFrom $557Free CancellationRating
6.8
7,579 reviews
Search Lufthansa flights
IberiaPriceFrom $565Free CancellationRating
7.0
3,027 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $565Free CancellationRating
7.5
673 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $586Free CancellationRating
7.9
8,002 reviews
Search Delta flights
United AirlinesPriceFrom $598Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
British AirwaysPriceFrom $605Free CancellationRating
6.7
7,534 reviews
Search British Airways flights
American AirlinesPriceFrom $621Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
KLMPriceFrom $626Free CancellationRating
7.7
1,412 reviews
Search KLM flights
Air CanadaPriceFrom $638Free CancellationRating
7.1
10,462 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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sáb. 12/20
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