Which layover airport has the shortest connection time from Portland to San Diego?

San Jose (SJC) has the shortest average layover time for this route: 1h 40m.

Which airline has the best punctuality record on Portland to San Diego flights?

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

What is the most punctual flight time for Portland to San Diego flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Which airport is the most popular layover for flights between Portland and San Diego?

Las Vegas (LAS) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

What airlines fly to San Diego?

Alaska Airlines, Southwest and Hawaiian Airlines are the top three most popular airlines that fly to San Diego from Portland according to our data. Alaska Airlines is the first choice among our users, with 72% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 8 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

How many flights depart from Portland to San Diego on average per day?

6 flights are operational daily from Portland to San Diego as of February 2026. The most popular departure time for this route is 2:00PM, with 58% of flights per day taking off in the afternoon.

How many flights depart from Portland to San Diego on average per week?

The number of flights available between Portland and San Diego is 42 per week as of February 2026. The most frequent departure day is Tue, with 21% of weekly flights leaving on this day.

How often are flights from Portland to San Diego delayed?

Historically, on average around 12% of flights between Portland and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Which layover airport has the shortest travel time from Portland to San Diego?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 4h 59m.

Which layover airport offers the lowest fares from Portland to San Diego?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $145.

What is the cheapest airline that flies from Portland to San Diego?

Alaska Airlines, Delta, and Southwest are the most popular carriers operating from Portland to San Diego

When did momondo last update prices for flights from Portland Airport to San Diego Airport?

Prices for flights from Portland Airport to San Diego Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to San Diego Airport?

As of February 2026, there are 7 operators available to choose from for flights from Portland Airport to San Diego Airport.

How old do you have to be to fly from Portland Airport to San Diego Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The required travel and health documents for your San Diego 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 San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$86 Cheap Flights from Portland to San Diego in 2026

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:31 pm - 5:07 pm

PDX

SAN

2h 36mnonstop

7:00 am - 9:50 am

SAN

PDX

2h 50mnonstop

$177Alaska Airlines

Tue, Mar 3 - Fri, Mar 13

8:30 am - 7:48 pm

PDX

SAN

11h 18m

2 stops

7:45 am - 12:33 pm

SAN

PDX

4h 48m

1 stop

$178United Airlines

Tue, Mar 10 - Wed, Mar 11

12:52 pm - 5:40 pm

PDX

SAN

4h 48m

1 stop

8:36 pm - 11:24 pm

SAN

PDX

2h 48mnonstop

$179Multiple Airlines

Mon, May 4 - Fri, May 8

2:30 pm - 4:55 pm

PDX

SAN

2h 25mnonstop

5:10 pm - 10:25 pm

SAN

PDX

5h 15m

1 stop

$181Southwest

Mon, Mar 9 - Mon, Mar 16

1:39 pm - 8:53 pm

PDX

SAN

7h 14m

1 stop

11:03 am - 6:47 pm

SAN

PDX

7h 44m

2 stops

$182United Airlines

Sat, Mar 7 - Tue, Mar 10

12:04 pm - 8:05 am

PDX

SAN

20h 01m

1 stop

9:18 pm - 11:09 am

SAN

PDX

13h 51m

1 stop

$183Frontier

Sun, Mar 8 - Sun, Mar 15

5:40 pm - 11:14 pm

PDX

SAN

5h 34m

1 stop

3:35 pm - 9:32 pm

SAN

PDX

5h 57m

1 stop

$184Delta

Mon, Mar 16 - Tue, Apr 21

5:32 pm - 8:11 pm

PDX

SAN

2h 39mnonstop

7:00 am - 9:49 am

SAN

PDX

2h 49mnonstop

$186Hawaiian Airlines

Thu, Apr 16 - Mon, Apr 20

8:30 am - 1:20 pm

PDX

SAN

4h 50m

1 stop

7:00 am - 9:50 am

SAN

PDX

2h 50mnonstop

$187Alaska Airlines

Tue, Mar 3 - Sun, Mar 15

6:00 am - 1:15 pm

PDX

SAN

7h 15m

1 stop

7:55 am - 2:30 pm

SAN

PDX

6h 35m

2 stops

$189Southwest

Mon, Mar 9 - Tue, Mar 10

United Airlines flights from Portland to San Diego

Our best United Airlines deals on Portland to San Diego flight tickets

United Airlines

Mar 10

PDX8:30 amPortland

11h 18m

2 stops

SAN7:48 pmSan Diego

Mar 11

SAN7:45 amSan Diego

4h 48m

1 stop

PDX12:33 pmPortland

$178

United Airlines

Mar 7

PDX1:39 pmPortland

7h 14m

1 stop

SAN8:53 pmSan Diego

Mar 10

SAN11:03 amSan Diego

7h 44m

2 stops

PDX6:47 pmPortland

$182

United Airlines

Mar 10

PDX7:30 amPortland

5h 14m

1 stop

SAN12:44 pmSan Diego

Mar 14

SAN6:15 amSan Diego

6h 18m

2 stops

PDX12:33 pmPortland

$198

Southwest flights from Portland to San Diego

Our best Southwest deals on Portland to San Diego flight tickets

Southwest

Mar 9

PDX2:30 pmPortland

2h 25m

SAN4:55 pmSan Diego

Mar 16

SAN5:10 pmSan Diego

5h 15m

1 stop

PDX10:25 pmPortland

$181

Southwest

Mar 9

PDX6:00 amPortland

7h 15m

1 stop

SAN1:15 pmSan Diego

Mar 10

SAN7:55 amSan Diego

6h 35m

2 stops

PDX2:30 pmPortland

$189

Southwest

Apr 11

PDX12:20 pmPortland

2h 25m

SAN2:45 pmSan Diego

Apr 13

SAN6:50 pmSan Diego

5h 35m

1 stop

PDX12:25 amPortland

$194

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 3/3

2:31 pm-5:07 pm

Nonstop2h 36m

San Diego

Fri 3/13

7:00 am-9:50 am

Nonstop2h 50m

$177

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 3/10

8:30 am-7:48 pm

2 stops11h 18m

San Diego

Wed 3/11

7:45 am-12:33 pm

1 stop4h 48m

$178

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 5/4

12:52 pm-5:40 pm

1 stop4h 48m

San Diego

Fri 5/8

8:36 pm-11:24 pm

Nonstop2h 48m

$179

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 3/9

2:30 pm-4:55 pm

Nonstop2h 25m

San Diego

Mon 3/16

5:10 pm-10:25 pm

1 stop5h 15m

$181

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sat 3/7

1:39 pm-8:53 pm

1 stop7h 14m

San Diego

Tue 3/10

11:03 am-6:47 pm

2 stops7h 44m

$182

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sun 3/8

12:04 pm-8:05 am

1 stop20h 01m

San Diego

Sun 3/15

9:18 pm-11:09 am

1 stop13h 51m

$183

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 3/16

5:40 pm-11:14 pm

1 stop5h 34m

San Diego

Tue 4/21

3:35 pm-9:32 pm

1 stop5h 57m

$184

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Thu 4/16

5:32 pm-8:11 pm

Nonstop2h 39m

San Diego

Mon 4/20

7:00 am-9:49 am

Nonstop2h 49m

$186

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 3/3

8:30 am-1:20 pm

1 stop4h 50m

San Diego

Sun 3/15

7:00 am-9:50 am

Nonstop2h 50m

$187

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 3/9

6:00 am-1:15 pm

1 stop7h 15m

San Diego

Tue 3/10

7:55 am-2:30 pm

2 stops6h 35m

$189

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Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Portland during the month September is also very affordable. Most momondo users find prices during this month for around $257.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Portland to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $266. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $334. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $283. Flights in the morning are often more expensive with an average ticket price of $318.

What is the cheapest Portland to San Diego flight route?

Fly from Portland to San Diego for the best Portland - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $281 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Portland for as low as $238 on momondo.

What cabin class options are available on Portland to San Diego flights?

There are 4 cabin classes available to choose from on Portland to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of February 2026, prices for Portland to San Diego flights are approximately 45% more expensive when compared to flights at the same time last year.

When to book flights from Portland to San Diego

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

Estimated round-trip price

Cheap Portland to San Diego (PDX to SAN) flight deals and tips

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

Best Price Found	$108
Fastest flight time	2h 20m
Direct flights	Every day
Airports in San Diego	1 airport

The best one-way flight to San Diego from Portland in the past 72 hours is $108. The best round-trip flight deal from Portland to San Diego found on momondo in the last 72 hours is $225.

The fastest flight from Portland to San Diego takes 2h 20m

Direct flights go from Portland to San Diego every day.

There is 1 airport in San Diego. From Portland there are direct flights to San Diego (SAN).

Search flight deals

How far is Portland to San Diego by plane?
Portland and San Diego are 931.8 mi apart from one another. A reasonable flight in good conditions will take 2h 20m.
When did momondo last update prices for flights from Portland Airport to San Diego Airport?
Prices for flights from Portland Airport to San Diego Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to San Diego Airport?
As of February 2026, there are 7 operators available to choose from for flights from Portland Airport to San Diego Airport.
How old do you have to be to fly from Portland Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego 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 San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Portland to San Diego?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portland to San Diego is Boeing 737-800 Passenger/BBJ2 (winglets) (35.48% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (22.16%), Boeing 737 MAX 9 (17.74%), and Boeing 737 MAX 8 (10.50%).
What is the most popular airline from Portland to San Diego?
Based on momondo bookings for flights between Portland and San Diego, the leading airline is Alaska Airlines, making up 78% of the total bookings. Other popular airlines include Hawaiian Airlines with 8%, Spirit Airlines with 6%, and Southwest with 5%.

Best airlines flying from Portland to San Diego

Compare and see reviews for airlines that fly from Portland to San Diego with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $83	Free Cancellation	Rating 6.3 8,428 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $87	Free Cancellation	Rating 5.7 3,051 reviews	Search Frontier flights
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 8,172 reviews	Search Delta flights
Southwest	PriceFrom $156	Free Cancellation	Rating 8.0 4,281 reviews	Search Southwest flights
United Airlines	PriceFrom $163	Free Cancellation	Rating 7.4 9,256 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $173	Free Cancellation	Rating 7.8 2,829 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $177	Free Cancellation	Rating 8.0 11,851 reviews	Search Alaska Airlines flights

Southwest Flights From Portland to San Diego
Southwest flight deals from Portland to San Diego start from $156 round-trip. Over the 2 Southwest flights for this route in a normal week, average airfare is usually $302 round-trip - but some users have found much cheaper deals with momondo.
Alaska Airlines Flights From Portland to San Diego
Alaska Airlines (8.0/10 from 11,855 reviews) operates around 18 flights from Portland to San Diego in any given week. The average Alaska Airlines airfare for this route is around $296, with deals from around $177 rare but found on momondo. Referenced prices are for round-trip Portland to San Diego flight searches in the last 72 hours.

Coronado

Chula Vista

El Cajon

Julian

Poway

National City

Imperial Beach

San Ysidro

Borrego Springs

La Mesa

Alpine

Lemon Grove

Santee

Why use momondo?

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

It is quick and easy to find Portland to San Diego 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 San Diego that suits you.

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

Flights from Portland to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to San Diego.

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

Yes. momondo can track prices for Portland to San Diego 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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Cheap flights from Portland to San Diego from $86

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to San Diego departing on 5/7. 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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How to get the cheapest flight ticket from Portland to San Diego

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Portland during the month September is also very affordable. Most momondo users find prices during this month for around $257.

What is the cheapest day to depart on your flight to San Diego?

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

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $283. Flights in the morning are often more expensive with an average ticket price of $318.

What is the cheapest Portland to San Diego flight route?

Fly from Portland to San Diego for the best Portland - San Diego flight prices

How far in advance should I book a flight to San Diego?

What cabin class options are available on Portland to San Diego flights?

There are 4 cabin classes available to choose from on Portland to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of February 2026, prices for Portland to San Diego flights are approximately 45% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Portland to San Diego?

Alaska Airlines, Delta, and Southwest are the most popular carriers operating from Portland to San Diego

What airlines fly to San Diego?

How often are flights from Portland to San Diego delayed?

Historically, on average around 12% of flights between Portland and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

What is the most punctual flight time for Portland to San Diego flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Portland to San Diego flights?

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Portland and San Diego?

Las Vegas (LAS) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Portland to San Diego?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $145.

Which layover airport has the shortest travel time from Portland to San Diego?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 4h 59m.

Which layover airport has the shortest connection time from Portland to San Diego?

San Jose (SJC) has the shortest average layover time for this route: 1h 40m.

How many flights depart from Portland to San Diego on average per day?

6 flights are operational daily from Portland to San Diego as of February 2026. The most popular departure time for this route is 2:00PM, with 58% of flights per day taking off in the afternoon.

How many flights depart from Portland to San Diego on average per week?

The number of flights available between Portland and San Diego is 42 per week as of February 2026. The most frequent departure day is Tue, with 21% of weekly flights leaving on this day.

When to book flights from Portland to San Diego

Cheap Portland to San Diego (PDX to SAN) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in San Diego

How far is Portland to San Diego by plane?

When did momondo last update prices for flights from Portland Airport to San Diego Airport?

How many operators does momondo search for flights from Portland Airport to San Diego Airport?

How old do you have to be to fly from Portland Airport to San Diego Airport?

What documentation or ID do you need to fly to San Diego Airport?

What is the most popular plane model from Portland to San Diego?

What is the most popular airline from Portland to San Diego?

Best airlines flying from Portland to San Diego

Compare and see reviews for airlines that fly from Portland to San Diego with momondo

Southwest Flights From Portland to San Diego

Alaska Airlines Flights From Portland to San Diego

Traveling to a place near San Diego?

Why use momondo?

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

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