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Cheap flights from San Diego to Portugal from $246

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 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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
11:57 am - 11:30 pm
SAN
-
LIS
28h 33m
2 stops
Lufthansa Logo
6:10 am - 4:45 pm
LIS
-
SAN
17h 35m
1 stop
$434Lufthansa
ה', מרץ 12 - ה', מרץ 19
Lufthansa Logo
11:57 am - 11:30 pm
SAN
-
LIS
28h 33m
2 stops
Lufthansa Logo
6:10 am - 4:45 pm
LIS
-
SAN
17h 35m
1 stop
$439Lufthansa
ה', מרץ 12 - ד', מרץ 18
Delta Logo
10:30 pm - 8:00 am
SAN
-
LIS
25h 30m
2 stops
Delta Logo
5:00 am - 11:50 am
LIS
-
SAN
14h 50m
1 stop
$480Delta
ש', אפר' 25 - ש', מאי 9
Delta Logo
6:20 am - 10:00 pm
SAN
-
OPO
31h 40m
2 stops
Delta Logo
5:00 am - 6:03 pm
OPO
-
SAN
21h 03m
2 stops
$481Delta
ב', אפר' 27 - ו', מאי 8
United Airlines Logo
5:15 pm - 10:45 pm
SAN
-
LIS
21h 30m
1 stop
United Airlines Logo
6:15 am - 3:25 pm
LIS
-
SAN
17h 10m
1 stop
$487United Airlines
א', אפר' 26 - ה', מאי 7
KLM Logo
7:00 am - 9:00 am
SAN
-
LIS
18h 00m
1 stop
KLM Logo
11:25 am - 1:05 pm
LIS
-
SAN
32h 40m
1 stop
$489KLM
ב', מרץ 2 - ב', מרץ 9
KLM Logo
10:25 pm - 7:20 pm
SAN
-
FAO
37h 55m
2 stops
KLM Logo
6:55 pm - 1:05 pm
FAO
-
SAN
25h 10m
1 stop
$490KLM
ד', מרץ 18 - ד', מרץ 25
United Airlines Logo
6:20 am - 9:50 am
SAN
-
FAO
19h 30m
2 stops
United Airlines Logo
11:40 am - 7:52 pm
FAO
-
SAN
16h 12m
1 stop
$1,128United Airlines
ב', יוני 22 - ש', יולי 4
Air Canada Logo
4:45 pm - 8:50 am
SAN
-
PDL
57h 05m
2 stops
Air Canada Logo
10:05 am - 6:25 pm
PDL
-
SAN
39h 20m
2 stops
$1,226Air Canada
א', יוני 21 - א', יוני 28
Air Canada Logo
4:45 pm - 8:50 am
SAN
-
PDL
57h 05m
2 stops
Air Canada Logo
10:05 am - 11:35 am
PDL
-
SAN
32h 30m
1 stop
$1,240Air Canada
א', יוני 21 - א', יוני 28

KLM flights from San Diego to Portugal

Our best KLM deals on San Diego to Portugal flight tickets
KLM
Mar 2
SAN7:00 amSan Diego
18h 00m
1 stop
LIS9:00 amLisbon Humberto Delgado
Mar 9
LIS11:25 amLisbon Humberto Delgado
32h 40m
1 stop
SAN1:05 pmSan Diego
$489
KLM
Mar 18
SAN10:25 pmSan Diego
37h 55m
2 stops
FAO7:20 pmFaro
Mar 25
FAO6:55 pmFaro
25h 10m
1 stop
SAN1:05 pmSan Diego
$490
KLM
Mar 17
SAN3:00 pmSan Diego
20h 50m
1 stop
LIS6:50 pmLisbon Humberto Delgado
Mar 31
LIS5:00 amLisbon Humberto Delgado
14h 50m
1 stop
SAN11:50 amSan Diego
$495

American Airlines flights from San Diego to Portugal

Our best American Airlines deals on San Diego to Portugal flight tickets
American Airlines
Feb 20
SAN6:24 amSan Diego
18h 26m
2 stops
LIS8:50 amLisbon Humberto Delgado
Feb 27
LIS11:05 amLisbon Humberto Delgado
19h 18m
2 stops
SAN10:23 pmSan Diego
$563
American Airlines
May 3
SAN3:21 pmSan Diego
16h 39m
2 stops
OPO4:00 pmPorto
May 16
OPO8:20 amPorto
23h 36m
2 stops
SAN11:56 pmSan Diego
$614

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 פברואר 2, 2026.
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

ה' 3/12

11:57 am-11:30 pm

2 stops28h 33m

Lisbon Humberto Delgado

ה' 3/19

6:10 am-4:45 pm

1 stop17h 35m

$434

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

ה' 3/12

11:57 am-11:30 pm

2 stops28h 33m

Lisbon Humberto Delgado

ד' 3/18

6:10 am-4:45 pm

1 stop17h 35m

$439

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

ש' 4/25

10:30 pm-8:00 am

2 stops25h 30m

Lisbon Humberto Delgado

ש' 5/9

5:00 am-11:50 am

1 stop14h 50m

$480

San DiegoPorto

SAN - OPO

SANOPO

San Diego

ב' 4/27

6:20 am-10:00 pm

2 stops31h 40m

Porto

ו' 5/8

5:00 am-6:03 pm

2 stops21h 03m

$481

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

א' 4/26

5:15 pm-10:45 pm

1 stop21h 30m

Lisbon Humberto Delgado

ה' 5/7

6:15 am-3:25 pm

1 stop17h 10m

$487

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

ב' 3/2

7:00 am-9:00 am

1 stop18h 00m

Lisbon Humberto Delgado

ב' 3/9

11:25 am-1:05 pm

1 stop32h 40m

$489

San DiegoFaro

SAN - FAO

SANFAO

San Diego

ד' 3/18

10:25 pm-7:20 pm

2 stops37h 55m

Faro

ד' 3/25

6:55 pm-1:05 pm

1 stop25h 10m

$490

San DiegoFaro

SAN - FAO

SANFAO

San Diego

ב' 6/22

6:20 am-9:50 am

2 stops19h 30m

Faro

ש' 7/4

11:40 am-7:52 pm

1 stop16h 12m

$1,128

San DiegoPonta Delgada

SAN - PDL

SANPDL

San Diego

א' 6/21

4:45 pm-8:50 am

2 stops57h 05m

Ponta Delgada Nordela

א' 6/28

10:05 am-6:25 pm

2 stops39h 20m

$1,226

San DiegoPonta Delgada

SAN - PDL

SANPDL

San Diego

א' 6/21

4:45 pm-8:50 am

2 stops57h 05m

Ponta Delgada Nordela

א' 6/28

10:05 am-11:35 am

1 stop32h 30m

$1,240

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 $626, 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 $635.

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 $804 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 $679 on momondo.

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

You could potentially save up to 3% 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

Fastest flight time

15h 21m

Direct flights

None
The fastest flight from San Diego to Portugal takes 15h 21m
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
KLMPriceFrom $490Free CancellationRating
7.7
1,448 reviews
Search KLM flights
IberiaPriceFrom $506Free CancellationRating
7.0
3,101 reviews
Search Iberia flights
British AirwaysPriceFrom $529Free CancellationRating
6.7
7,711 reviews
Search British Airways flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
American AirlinesPriceFrom $555Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
DeltaPriceFrom $555Free CancellationRating
7.9
8,131 reviews
Search Delta flights
United AirlinesPriceFrom $586Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights
Air CanadaPriceFrom $601Free CancellationRating
7.1
10,676 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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1 adult
ד' 3/4
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