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Cheap flights from San Diego to Portugal from $329

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 9/22. 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

United Airlines Logo
6:30 am - 8:20 amSAN-LIS
17h 50m1 stop
United Airlines Logo
6:15 am - 3:25 pmLIS-SAN
17h 10m1 stop
$569United Airlines
Find Deal
lun., sep. 29 - mar., oct. 14
Lufthansa Logo
5:15 pm - 9:50 pmSAN-LIS
20h 35m1 stop
Lufthansa Logo
6:15 am - 3:25 pmLIS-SAN
17h 10m1 stop
$576Lufthansa
Find Deal
lun., sep. 29 - mar., oct. 14
Air Canada Logo
8:10 am - 9:20 amSAN-LIS
17h 10m1 stop
Air Canada Logo
5:00 am - 11:38 amLIS-SAN
38h 38m2 stops
$590Air Canada
Find Deal
mar., oct. 21 - mar., nov. 4
Air Canada Logo
6:10 pm - 9:20 amSAN-LIS
31h 10m2 stops
Air Canada Logo
11:20 am - 11:38 amLIS-SAN
32h 18m1 stop
$603Air Canada
Find Deal
dom., nov. 23 - lun., dic. 1
British Airways Logo
4:40 pm - 10:05 amSAN-LIS
33h 25m1 stop
British Airways Logo
6:35 am - 7:23 pmLIS-SAN
20h 48m2 stops
$618British Airways
Find Deal
mar., sep. 23 - mar., oct. 14
Delta Logo
7:25 am - 8:00 amSAN-LIS
16h 35m2 stops
Delta Logo
5:40 am - 8:34 pmLIS-SAN
22h 54m2 stops
$637Delta
Find Deal
lun., oct. 6 - lun., oct. 13
British Airways Logo
7:50 pm - 1:05 pmSAN-FAO
33h 15m1 stop
British Airways Logo
8:00 pm - 6:00 pmFAO-SAN
30h 00m1 stop
$722British Airways
Find Deal
mié., oct. 8 - mié., oct. 15
Delta Logo
6:57 pm - 5:40 pmSAN-FAO
38h 43m2 stops
Delta Logo
6:40 pm - 10:54 pmFAO-SAN
36h 14m2 stops
$1,006Delta
Find Deal
mié., ago. 27 - dom., ago. 31
American Airlines Logo
2:39 pm - 12:50 pmSAN-FAO
38h 11m2 stops
American Airlines Logo
7:05 pm - 4:10 pmFAO-SAN
29h 05m1 stop
$1,364American Airlines
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jue., nov. 13 - lun., nov. 17
American Airlines Logo
2:39 pm - 12:50 pmSAN-FAO
38h 11m2 stops
American Airlines Logo
7:05 pm - 4:10 pmFAO-SAN
29h 05m1 stop
$1,365American Airlines
Find Deal
jue., nov. 13 - lun., nov. 17

Air Canada flights from San Diego to Portugal

Our best Air Canada deals on San Diego to Portugal flight tickets
Air Canada
Oct 21
SAN8:10 amSan Diego
17h 10m
1 stop
LIS9:20 amLisbon Humberto Delgado
Nov 4
LIS5:00 amLisbon Humberto Delgado
38h 38m
2 stops
SAN11:38 amSan Diego
$590
Find similar
Air Canada
Nov 23
SAN6:10 pmSan Diego
31h 10m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 1
LIS11:20 amLisbon Humberto Delgado
32h 18m
1 stop
SAN11:38 amSan Diego
$603
Find similar
Air Canada
Dec 24
SAN6:10 pmSan Diego
31h 10m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 14
LIS5:00 amLisbon Humberto Delgado
20h 24m
2 stops
SAN5:24 pmSan Diego
$634
Find similar

Delta flights from San Diego to Portugal

Our best Delta deals on San Diego to Portugal flight tickets
Delta
Oct 6
SAN7:25 amSan Diego
16h 35m
2 stops
LIS8:00 amLisbon Humberto Delgado
Oct 13
LIS5:40 amLisbon Humberto Delgado
22h 54m
2 stops
SAN8:34 pmSan Diego
$637
Find similar
Delta
Aug 28
SAN10:00 amSan Diego
20h 50m
2 stops
LIS2:50 pmLisbon Humberto Delgado
Sep 7
LIS5:00 amLisbon Humberto Delgado
15h 00m
1 stop
SAN12:00 pmSan Diego
$801
Find similar
Delta
Aug 28
SAN10:00 amSan Diego
20h 50m
2 stops
LIS2:50 pmLisbon Humberto Delgado
Sep 8
LIS12:45 pmLisbon Humberto Delgado
16h 09m
1 stop
SAN8:54 pmSan Diego
$838
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 agosto 14, 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

lun. 9/29

6:30 am-8:20 am

1 stop17h 50m

Lisbon Humberto Delgado

mar. 10/14

6:15 am-3:25 pm

1 stop17h 10m

$569

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

lun. 9/29

5:15 pm-9:50 pm

1 stop20h 35m

Lisbon Humberto Delgado

mar. 10/14

6:15 am-3:25 pm

1 stop17h 10m

$576

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mar. 10/21

8:10 am-9:20 am

1 stop17h 10m

Lisbon Humberto Delgado

mar. 11/4

5:00 am-11:38 am

2 stops38h 38m

$590

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

dom. 11/23

6:10 pm-9:20 am

2 stops31h 10m

Lisbon Humberto Delgado

lun. 12/1

11:20 am-11:38 am

1 stop32h 18m

$603

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mar. 9/23

4:40 pm-10:05 am

1 stop33h 25m

Lisbon Humberto Delgado

mar. 10/14

6:35 am-7:23 pm

2 stops20h 48m

$618

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

lun. 10/6

7:25 am-8:00 am

2 stops16h 35m

Lisbon Humberto Delgado

lun. 10/13

5:40 am-8:34 pm

2 stops22h 54m

$637

San DiegoFaro

SAN - FAO

SANFAO

San Diego

mié. 10/8

7:50 pm-1:05 pm

1 stop33h 15m

Faro

mié. 10/15

8:00 pm-6:00 pm

1 stop30h 00m

$722

San DiegoFaro

SAN - FAO

SANFAO

San Diego

mié. 8/27

6:57 pm-5:40 pm

2 stops38h 43m

Faro

dom. 8/31

6:40 pm-10:54 pm

2 stops36h 14m

$1,006

San DiegoFaro

SAN - FAO

SANFAO

San Diego

jue. 11/13

2:39 pm-12:50 pm

2 stops38h 11m

Faro

lun. 11/17

7:05 pm-4:10 pm

1 stop29h 05m

$1,364

San DiegoFaro

SAN - FAO

SANFAO

San Diego

jue. 11/13

2:39 pm-12:50 pm

2 stops38h 11m

Faro

lun. 11/17

7:05 pm-4:10 pm

1 stop29h 05m

$1,365

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 $734, 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 $752.

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 $980 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 $849 on momondo.

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

You could potentially save up to 23% 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

Best Price Found

$329

Fastest flight time

14h 59m

Direct flights

None

Airports in Portugal

4 airports
The best one-way flight to Portugal from San Diego in the past 72 hours is $329. The best round-trip flight deal from San Diego to Portugal found on momondo in the last 72 hours is $569.
The fastest flight from San Diego to Portugal takes 14h 59m
There are no direct flights from San Diego to Portugal. Popular non-direct routes for this connection are San Diego Airport - Lisbon Humberto Delgado Airport and San Diego Airport - Porto Airport.
There are 4 airports near Portugal: Faro (FAO), Lisbon Humberto Delgado (LIS), Ponta Delgada Nordela (PDL), Porto (OPO)
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  • 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
Virgin AtlanticPriceFrom $593Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom $600Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
LufthansaPriceFrom $601Free CancellationRating
6.8
7,317 reviews
Search Lufthansa flights
DeltaPriceFrom $605Free CancellationRating
8.0
7,980 reviews
Search Delta flights
KLMPriceFrom $626Free CancellationRating
7.8
1,381 reviews
Search KLM flights
British AirwaysPriceFrom $628Free CancellationRating
6.6
7,266 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $631Free CancellationRating
7.4
1,468 reviews
Search Scandinavian Airlines flights
IberiaPriceFrom $641Free CancellationRating
7.0
2,878 reviews
Search Iberia flights
Air CanadaPriceFrom $645Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
American AirlinesPriceFrom $693Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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