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Cheap flights from San Diego to Lisbon from $325

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 Lisbon departing on 5/10. 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 Lisbon

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
KLM Logo
1:40 pm - 6:45 pm
SAN
-
LIS
21h 05m
1 stop
KLM Logo
11:55 am - 11:50 am
LIS
-
SAN
31h 55m
1 stop
$492KLM
Sat, Apr 25 - Wed, May 6
KLM Logo
1:40 pm - 6:45 pm
SAN
-
LIS
21h 05m
1 stop
KLM Logo
5:00 am - 11:50 am
LIS
-
SAN
14h 50m
1 stop
$493KLM
Tue, Apr 14 - Tue, Apr 21
KLM Logo
2:00 pm - 10:35 am
SAN
-
LIS
36h 35m
1 stop
KLM Logo
11:25 am - 1:05 pm
LIS
-
SAN
32h 40m
1 stop
$494KLM
Tue, Mar 3 - Wed, Mar 11
British Airways Logo
9:28 am - 11:00 pm
SAN
-
LIS
29h 32m
2 stops
British Airways Logo
11:05 am - 10:49 pm
LIS
-
SAN
19h 44m
1 stop
$496British Airways
Tue, Apr 7 - Thu, Apr 23
Iberia Logo
6:30 am - 9:05 am
SAN
-
LIS
18h 35m
1 stop
Iberia Logo
8:20 am - 10:40 pm
LIS
-
SAN
21h 20m
2 stops
$500Iberia
Tue, Mar 3 - Wed, Mar 11
Delta Logo
1:40 pm - 2:35 pm
SAN
-
LIS
16h 55m
1 stop
Delta Logo
5:00 am - 5:34 pm
LIS
-
SAN
20h 34m
2 stops
$502Delta
Tue, Apr 14 - Tue, Apr 21
Delta Logo
12:00 pm - 5:30 pm
SAN
-
LIS
21h 30m
2 stops
Delta Logo
5:00 am - 6:19 pm
LIS
-
SAN
20h 19m
2 stops
$503Delta
Tue, Mar 3 - Wed, Mar 11
United Airlines Logo
7:20 am - 10:45 pm
SAN
-
LIS
31h 25m
2 stops
United Airlines Logo
5:05 am - 10:34 pm
LIS
-
SAN
25h 29m
2 stops
$504United Airlines
Tue, Apr 21 - Thu, Apr 30
Finnair Logo
9:12 am - 3:50 pm
SAN
-
LIS
22h 38m
2 stops
Finnair Logo
4:35 pm - 6:05 pm
LIS
-
SAN
33h 30m
2 stops
$505Finnair
Tue, Apr 14 - Mon, Apr 20

United Airlines flights from San Diego to Lisbon

Our best United Airlines deals on San Diego to Lisbon flight tickets
United Airlines
Feb 23
SAN10:30 pmSan Diego
25h 40m
1 stop
LIS8:10 amLisbon Humberto Delgado
Mar 10
LIS5:00 amLisbon Humberto Delgado
23h 23m
2 stops
SAN9:23 pmSan Diego
$487
United Airlines
Apr 7
SAN2:10 pmSan Diego
35h 10m
2 stops
LIS9:20 amLisbon Humberto Delgado
Apr 14
LIS11:25 amLisbon Humberto Delgado
39h 26m
2 stops
SAN6:51 pmSan Diego
$491
United Airlines
Apr 21
SAN7:20 amSan Diego
31h 25m
2 stops
LIS10:45 pmLisbon Humberto Delgado
Apr 30
LIS5:05 amLisbon Humberto Delgado
25h 29m
2 stops
SAN10:34 pmSan Diego
$504

KLM flights from San Diego to Lisbon

Our best KLM deals on San Diego to Lisbon flight tickets
KLM
Apr 25
SAN1:40 pmSan Diego
21h 05m
1 stop
LIS6:45 pmLisbon Humberto Delgado
May 6
LIS11:55 amLisbon Humberto Delgado
31h 55m
1 stop
SAN11:50 amSan Diego
$492
KLM
Apr 14
SAN1:40 pmSan Diego
21h 05m
1 stop
LIS6:45 pmLisbon Humberto Delgado
Apr 21
LIS5:00 amLisbon Humberto Delgado
14h 50m
1 stop
SAN11:50 amSan Diego
$493
KLM
Mar 3
SAN2:00 pmSan Diego
36h 35m
1 stop
LIS10:35 amLisbon Humberto Delgado
Mar 11
LIS11:25 amLisbon Humberto Delgado
32h 40m
1 stop
SAN1:05 pmSan Diego
$494

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Lisbon 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 21, 2026.
Use the filters below to find and compare flights from San Diego to Lisbon 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

Sat 4/25

1:40 pm-6:45 pm

1 stop21h 05m

Lisbon Humberto Delgado

Wed 5/6

11:55 am-11:50 am

1 stop31h 55m

$492

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

$493

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/3

2:00 pm-10:35 am

1 stop36h 35m

Lisbon Humberto Delgado

Wed 3/11

11:25 am-1:05 pm

1 stop32h 40m

$494

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 4/7

9:28 am-11:00 pm

2 stops29h 32m

Lisbon Humberto Delgado

Thu 4/23

11:05 am-10:49 pm

1 stop19h 44m

$496

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/3

6:30 am-9:05 am

1 stop18h 35m

Lisbon Humberto Delgado

Wed 3/11

8:20 am-10:40 pm

2 stops21h 20m

$500

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 4/14

1:40 pm-2:35 pm

1 stop16h 55m

Lisbon Humberto Delgado

Tue 4/21

5:00 am-5:34 pm

2 stops20h 34m

$502

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/3

12:00 pm-5:30 pm

2 stops21h 30m

Lisbon Humberto Delgado

Wed 3/11

5:00 am-6:19 pm

2 stops20h 19m

$503

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 4/21

7:20 am-10:45 pm

2 stops31h 25m

Lisbon Humberto Delgado

Thu 4/30

5:05 am-10:34 pm

2 stops25h 29m

$504

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 4/14

9:12 am-3:50 pm

2 stops22h 38m

Lisbon Humberto Delgado

Mon 4/20

4:35 pm-6:05 pm

2 stops33h 30m

$505

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 Lisbon from

How to get the cheapest flight ticket from San Diego to Lisbon

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 typical price of a round-trip flight between San Diego and Lisbon?

What is the cheapest month to fly to Lisbon?

In general, January is the cheapest month to fly from San Diego to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $604. If you are unable to visit Lisbon during the month of January, then departing from San Diego during the month February is also very affordable. Most momondo users find prices during this month for around $605.

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $797 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from San Diego for as low as $659 on momondo.

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

You could potentially save up to 20% on your flight if you consider stops on a San Diego to Lisbon flight.

How have San Diego to Lisbon flight prices changed over time?

As of February 2026, prices for San Diego to Lisbon flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Lisbon (SAN to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Lisbon

Fastest flight time

17h 20m

Direct flights

None
The fastest flight from San Diego to Lisbon takes 17h 20m
There are no direct flights from San Diego to Lisbon. There are no popular flight routes from San Diego to Lisbon.
Search flight deals

  • How far is San Diego to Lisbon Humberto Delgado by plane?

    Lisbon Humberto Delgado is 5678.6 mi away from San Diego. Typically, this will take 17h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from San Diego Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from San Diego Airport to Lisbon Humberto Delgado Airport refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Lisbon Humberto Delgado Airport?

  • How old do you have to be to fly from San Diego Airport to Lisbon Humberto Delgado Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The required travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Diego to Lisbon?

Best airlines flying from San Diego to Lisbon

Compare and see reviews for airlines that fly from San Diego to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $490Free CancellationRating
7.7
1,457 reviews
Search KLM flights
IberiaPriceFrom $506Free CancellationRating
7.0
3,118 reviews
Search Iberia flights
British AirwaysPriceFrom $532Free CancellationRating
6.7
7,756 reviews
Search British Airways flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,794 reviews
Search Lufthansa flights
United AirlinesPriceFrom $541Free CancellationRating
7.4
9,334 reviews
Search United Airlines flights
DeltaPriceFrom $552Free CancellationRating
7.9
8,227 reviews
Search Delta flights
American AirlinesPriceFrom $555Free CancellationRating
7.2
11,333 reviews
Search American Airlines flights
Air CanadaPriceFrom $590Free CancellationRating
7.1
10,734 reviews
Search Air Canada flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Ericeira
Fátima
Nazaré
Setúbal
Estoril
Peniche
Evora
Oeiras
Sesimbra
Leiria
Tomar
Figueira da Foz
Zambujeira do Mar
Batalha
Óbidos
Torres Vedras
Comporta
Almada
Sines

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Lisbon?

It is quick and easy to find San Diego to Lisbon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Lisbon that suits you.

Can I find flights from San Diego to Lisbon with flexible booking policies on momondo?

momondo does allow users to show only those flights to Lisbon from San Diego which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Diego to Lisbon?

momondo helps you find the best flight between San Diego and Lisbon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Diego to Lisbon right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Diego to Lisbon 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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