Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to Portugal from $317

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 4/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Diego to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:10 pm - 9:20 am
SAN
-
LIS
35h 10m
2 stops
United Airlines Logo
11:25 am - 6:51 pm
LIS
-
SAN
39h 26m
2 stops
$491United Airlines
Tue, Apr 7 - Tue, Apr 14
Delta Logo
1:40 pm - 6:45 pm
SAN
-
LIS
21h 05m
1 stop
Delta Logo
5:00 am - 11:50 am
LIS
-
SAN
14h 50m
1 stop
$492Delta
Tue, Apr 14 - Tue, Apr 21
KLM Logo
3:00 pm - 6:50 pm
SAN
-
LIS
20h 50m
1 stop
KLM Logo
5:00 am - 11:50 am
LIS
-
SAN
14h 50m
1 stop
$493KLM
Tue, Mar 24 - Thu, Apr 2
KLM Logo
3:00 pm - 11:10 pm
SAN
-
LIS
25h 10m
1 stop
KLM Logo
3:30 pm - 1:05 pm
LIS
-
SAN
28h 35m
1 stop
$494KLM
Tue, Mar 10 - Wed, Mar 18
United Airlines Logo
11:00 am - 10:45 pm
SAN
-
LIS
27h 45m
2 stops
United Airlines Logo
11:25 am - 6:51 pm
LIS
-
SAN
39h 26m
2 stops
$496United Airlines
Tue, Apr 7 - Tue, Apr 14
Delta Logo
10:05 am - 6:45 pm
SAN
-
LIS
24h 40m
2 stops
Delta Logo
11:55 am - 11:50 am
LIS
-
SAN
31h 55m
1 stop
$497Delta
Tue, Apr 14 - Mon, Apr 27
Delta Logo
7:00 am - 10:35 am
SAN
-
LIS
20h 35m
2 stops
Delta Logo
5:00 am - 1:05 pm
LIS
-
SAN
15h 05m
1 stop
$498Delta
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
3:04 pm - 10:30 am
SAN
-
LIS
35h 26m
2 stops
United Airlines Logo
7:25 am - 10:34 pm
LIS
-
SAN
23h 09m
2 stops
$500United Airlines
Sat, Apr 25 - Wed, May 6
British Airways Logo
7:40 pm - 11:00 am
SAN
-
FAO
31h 20m
1 stop
British Airways Logo
8:00 pm - 11:33 pm
FAO
-
SAN
35h 33m
2 stops
$920British Airways
Fri, Apr 10 - Fri, Apr 17
British Airways Logo
1:32 pm - 12:50 pm
SAN
-
FAO
39h 18m
2 stops
British Airways Logo
7:05 pm - 9:59 pm
FAO
-
SAN
33h 54m
2 stops
$1,056British Airways
Thu, Mar 5 - Mon, Mar 9

British Airways flights from San Diego to Portugal

Our best British Airways deals on San Diego to Portugal flight tickets
British Airways
May 1
SAN4:45 pmSan Diego
22h 25m
1 stop
LIS11:10 pmLisbon Humberto Delgado
May 9
LIS4:25 pmLisbon Humberto Delgado
30h 30m
1 stop
SAN2:55 pmSan Diego
$506
British Airways
Apr 13
SAN4:41 pmSan Diego
22h 29m
2 stops
LIS11:10 pmLisbon Humberto Delgado
Apr 27
LIS11:05 amLisbon Humberto Delgado
19h 44m
1 stop
SAN10:49 pmSan Diego
$525
British Airways
May 2
SAN4:45 pmSan Diego
17h 20m
1 stop
LIS6:05 pmLisbon Humberto Delgado
May 14
LIS6:45 pmLisbon Humberto Delgado
28h 10m
1 stop
SAN2:55 pmSan Diego
$531

Iberia flights from San Diego to Portugal

Our best Iberia deals on San Diego to Portugal flight tickets
Iberia
Mar 3
SAN6:30 amSan Diego
18h 35m
1 stop
LIS9:05 amLisbon Humberto Delgado
Mar 11
LIS8:20 amLisbon Humberto Delgado
21h 20m
2 stops
SAN10:40 pmSan Diego
$500
Iberia
Mar 10
SAN9:00 amSan Diego
15h 40m
2 stops
LIS7:40 amLisbon Humberto Delgado
Mar 18
LIS11:05 amLisbon Humberto Delgado
17h 54m
1 stop
SAN9:59 pmSan Diego
$516
Iberia
Aug 18
SAN10:04 amSan Diego
24h 21m
2 stops
LIS6:25 pmLisbon Humberto Delgado
Aug 26
LIS8:55 amLisbon Humberto Delgado
21h 57m
2 stops
SAN10:52 pmSan Diego
$569

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 February 24, 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

Tue 4/7

2:10 pm-9:20 am

2 stops35h 10m

Lisbon Humberto Delgado

Tue 4/14

11:25 am-6:51 pm

2 stops39h 26m

$491

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 4/14

1:40 pm-6:45 pm

1 stop21h 05m

Lisbon Humberto Delgado

Tue 4/21

5:00 am-11:50 am

1 stop14h 50m

$492

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/24

3:00 pm-6:50 pm

1 stop20h 50m

Lisbon Humberto Delgado

Thu 4/2

5:00 am-11:50 am

1 stop14h 50m

$493

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/10

3:00 pm-11:10 pm

1 stop25h 10m

Lisbon Humberto Delgado

Wed 3/18

3:30 pm-1:05 pm

1 stop28h 35m

$494

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 4/7

11:00 am-10:45 pm

2 stops27h 45m

Lisbon Humberto Delgado

Tue 4/14

11:25 am-6:51 pm

2 stops39h 26m

$496

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 4/14

10:05 am-6:45 pm

2 stops24h 40m

Lisbon Humberto Delgado

Mon 4/27

11:55 am-11:50 am

1 stop31h 55m

$497

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/10

7:00 am-10:35 am

2 stops20h 35m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-1:05 pm

1 stop15h 05m

$498

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sat 4/25

3:04 pm-10:30 am

2 stops35h 26m

Lisbon Humberto Delgado

Wed 5/6

7:25 am-10:34 pm

2 stops23h 09m

$500

San DiegoFaro

SAN - FAO

SANFAO

San Diego

Fri 4/10

7:40 pm-11:00 am

1 stop31h 20m

Faro

Fri 4/17

8:00 pm-11:33 pm

2 stops35h 33m

$920

San DiegoFaro

SAN - FAO

SANFAO

San Diego

Thu 3/5

1:32 pm-12:50 pm

2 stops39h 18m

Faro

Mon 3/9

7:05 pm-9:59 pm

2 stops33h 54m

$1,056

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 January. Flight prices, which tend to average around $604, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from San Diego during February instead. Flights to Portugal in February, while not as cheap as those in January, still average around $605.

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 $797 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 $659 on momondo.

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

You could potentially save up to 26% 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

12h 50m

Direct flights

None
The fastest flight from San Diego to Portugal takes 12h 50m
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
1,460 reviews
Search KLM flights
DeltaPriceFrom $495Free CancellationRating
7.9
8,237 reviews
Search Delta flights
IberiaPriceFrom $506Free CancellationRating
7.0
3,123 reviews
Search Iberia flights
British AirwaysPriceFrom $523Free CancellationRating
6.7
7,762 reviews
Search British Airways flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,809 reviews
Search Lufthansa flights
United AirlinesPriceFrom $541Free CancellationRating
7.4
9,344 reviews
Search United Airlines flights
American AirlinesPriceFrom $555Free CancellationRating
7.2
11,343 reviews
Search American Airlines flights
Air CanadaPriceFrom $590Free CancellationRating
7.1
10,743 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.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/26
Thu 4/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $386
Flights to Portofrom $364
Flights to Funchalfrom $465
Flights to Farofrom $406
Flights to Ponta Delgadafrom $449
Flights to Lajesfrom $560
Flights to Pico Islandfrom $562
Flights to Hortafrom $549
Flights to Porto Santofrom $471
Flights to Velasfrom $578