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

Las Vegas (LAS) was the most common stop: 68% of momondo users choosing 1-stop flights on this route connected there.

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

Salt Lake City (SLC) has the shortest average layover time for this route: 0h 38m.

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 January 2026. The most popular departure time for this route is 7:00AM, with 53% of flights per day taking off at noon.

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

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

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 4h 47m.

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

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

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 most punctual flight time for Portland to San Diego flights?

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

What airlines fly to San Diego?

Alaska Airlines, Southwest and Frontier 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 73% 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 week?

The number of flights available between Portland and San Diego is 46 per week as of January 2026. The most frequent departure day is Wed, with 22% 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 106 minutes.

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.

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 January 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.

$99 Cheap Flights from Portland to San Diego in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:55 pm - 7:15 pm

PDX

SAN

6h 20m

1 stop

9:07 pm - 11:59 pm

SAN

PDX

2h 52mnonstop

$159Multiple Airlines

Mon, Apr 13 - Sat, Apr 18

10:30 am - 3:29 pm

PDX

SAN

4h 59m

1 stop

6:03 pm - 8:46 pm

SAN

PDX

2h 43mnonstop

$161Alaska Airlines

Tue, Feb 3 - Tue, Feb 3

6:58 pm - 4:04 pm

PDX

SAN

21h 06m

1 stop

6:25 am - 6:06 pm

SAN

PDX

11h 41m

1 stop

$165Multiple Airlines

Sun, Feb 22 - Thu, Feb 26

3:52 pm - 9:49 pm

PDX

SAN

5h 57m

1 stop

6:03 pm - 8:50 pm

SAN

PDX

2h 47mnonstop

$167Alaska Airlines

Sat, Mar 7 - Tue, Mar 10

7:05 am - 12:07 pm

PDX

SAN

5h 02m

1 stop

4:01 pm - 10:46 pm

SAN

PDX

6h 45m

1 stop

$171Alaska Airlines

Tue, Feb 3 - Tue, Feb 3

5:40 am - 11:35 am

PDX

SAN

5h 55m

2 stops

11:05 am - 1:45 pm

SAN

PDX

2h 40mnonstop

$173Southwest

Tue, Mar 10 - Sat, Mar 14

7:25 am - 1:20 pm

PDX

SAN

5h 55m

1 stop

11:05 am - 1:45 pm

SAN

PDX

2h 40mnonstop

$174Southwest

Tue, Mar 3 - Mon, Mar 9

5:40 pm - 8:11 pm

PDX

SAN

2h 31mnonstop

9:08 pm - 11:57 pm

SAN

PDX

2h 49mnonstop

$177Alaska Airlines

Wed, Feb 11 - Fri, Feb 20

5:35 pm - 8:12 pm

PDX

SAN

2h 37mnonstop

10:09 pm - 1:37 pm

SAN

PDX

15h 28m

1 stop

$180Alaska Airlines

Sat, Feb 28 - Mon, Mar 2

2:30 pm - 4:55 pm

PDX

SAN

2h 25mnonstop

5:40 pm - 12:55 am

SAN

PDX

7h 15m

1 stop

$181Southwest

Thu, Mar 12 - Mon, Mar 16

Southwest flights from Portland to San Diego

Our best Southwest deals on Portland to San Diego flight tickets

Southwest

Mar 10

PDX5:40 amPortland

5h 55m

2 stops

SAN11:35 amSan Diego

Mar 14

SAN11:05 amSan Diego

2h 40m

PDX1:45 pmPortland

$173

Southwest

Mar 3

PDX7:25 amPortland

5h 55m

1 stop

SAN1:20 pmSan Diego

Mar 9

SAN11:05 amSan Diego

2h 40m

PDX1:45 pmPortland

$174

Southwest

Mar 12

PDX2:30 pmPortland

2h 25m

SAN4:55 pmSan Diego

Mar 16

SAN5:40 pmSan Diego

7h 15m

1 stop

PDX12:55 amPortland

$181

United Airlines flights from Portland to San Diego

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

United Airlines

Feb 11

PDX3:52 pmPortland

7h 50m

2 stops

SAN11:42 pmSan Diego

Feb 18

SAN5:55 pmSan Diego

5h 04m

1 stop

PDX10:59 pmPortland

$182

United Airlines

Feb 5

PDX3:45 pmPortland

6h 52m

1 stop

SAN10:37 pmSan Diego

Feb 10

SAN6:30 amSan Diego

7h 15m

1 stop

PDX1:45 pmPortland

$184

United Airlines

Feb 11

PDX1:35 pmPortland

6h 19m

2 stops

SAN7:54 pmSan Diego

Feb 18

SAN11:05 amSan Diego

7h 50m

2 stops

PDX6:55 pmPortland

$188

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 4/13

12:55 pm-7:15 pm

1 stop6h 20m

San Diego

Sat 4/18

9:07 pm-11:59 pm

Nonstop2h 52m

$159

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 2/3

10:30 am-3:29 pm

1 stop4h 59m

San Diego

Tue 2/3

6:03 pm-8:46 pm

Nonstop2h 43m

$161

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sun 2/22

6:58 pm-4:04 pm

1 stop21h 06m

San Diego

Thu 2/26

6:25 am-6:06 pm

1 stop11h 41m

$165

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sat 3/7

3:52 pm-9:49 pm

1 stop5h 57m

San Diego

Tue 3/10

6:03 pm-8:50 pm

Nonstop2h 47m

$167

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 2/3

7:05 am-12:07 pm

1 stop5h 02m

San Diego

Tue 2/3

4:01 pm-10:46 pm

1 stop6h 45m

$171

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 3/10

5:40 am-11:35 am

2 stops5h 55m

San Diego

Sat 3/14

11:05 am-1:45 pm

Nonstop2h 40m

$173

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 3/3

7:25 am-1:20 pm

1 stop5h 55m

San Diego

Mon 3/9

11:05 am-1:45 pm

Nonstop2h 40m

$174

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Wed 2/11

5:40 pm-8:11 pm

Nonstop2h 31m

San Diego

Fri 2/20

9:08 pm-11:57 pm

Nonstop2h 49m

$177

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sat 2/28

5:35 pm-8:12 pm

Nonstop2h 37m

San Diego

Mon 3/2

10:09 pm-1:37 pm

1 stop15h 28m

$180

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Thu 3/12

2:30 pm-4:55 pm

Nonstop2h 25m

San Diego

Mon 3/16

5:40 pm-12:55 am

1 stop7h 15m

$181

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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 February, then departing from Portland during the month January is also very affordable. Most momondo users find prices during this month for around $256.

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 Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $273. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $327. 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 $272. Flights in the morning are often more expensive with an average ticket price of $320.

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 $280 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 $234 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 January 2026, prices for Portland to San Diego flights are approximately 28% cheaper 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	$198
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 $198. The best round-trip flight deal from Portland to San Diego found on momondo in the last 72 hours is $197.

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 January 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) (33.97% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (24.63%), Boeing 737 MAX 9 (19.67%), and Boeing 737 MAX 8 (8.93%).
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 7%, Spirit Airlines with 7%, and Southwest with 4%.

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 $80	Free Cancellation	Rating 6.3 8,319 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $87	Free Cancellation	Rating 5.7 3,056 reviews	Search Frontier flights
Delta	PriceFrom $108	Free Cancellation	Rating 7.9 8,048 reviews	Search Delta flights
Southwest	PriceFrom $158	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights
United Airlines	PriceFrom $163	Free Cancellation	Rating 7.4 9,163 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $173	Free Cancellation	Rating 8.0 11,713 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $177	Free Cancellation	Rating 7.8 2,827 reviews	Search Hawaiian Airlines flights

Southwest Flights From Portland to San Diego
Southwest flight deals from Portland to San Diego start from $158 round-trip. Over the 3 Southwest flights for this route in a normal week, average airfare is usually $320 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 11,721 reviews) operates around 17 flights from Portland to San Diego in any given week. The average Alaska Airlines airfare for this route is around $295, with deals from around $173 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

Borrego Springs

San Ysidro

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 $99

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 3/27. 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 February, then departing from Portland during the month January is also very affordable. Most momondo users find prices during this month for around $256.

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 $272. Flights in the morning are often more expensive with an average ticket price of $320.

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 January 2026, prices for Portland to San Diego flights are approximately 28% cheaper when compared to flights at the same time last year.

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

Alaska Airlines, Southwest, and Frontier 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 106 minutes.

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

Generally, flights departing in the morning 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?

Saturday 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: 68% 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 Salt Lake City (SLC) have the shortest average one-way travel time: 4h 47m.

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

Salt Lake City (SLC) has the shortest average layover time for this route: 0h 38m.

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 January 2026. The most popular departure time for this route is 7:00AM, with 53% of flights per day taking off at noon.

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

The number of flights available between Portland and San Diego is 46 per week as of January 2026. The most frequent departure day is Wed, with 22% 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?