HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$69+ Cheap flights from Oregon to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAN
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Oregon to San Diego

Cheapest flights from Oregon to San Diego
Explore the most affordable flight options available from Oregon to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.

This Expedia deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:08 pm
EUG
-
SAN
Nonstop2h 29m
Alaska Airlines
Sat 5/237:07 pm
SAN
-
EUG
Nonstop2h 32m
Alaska Airlines
Deal found 4/23$131
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:41 pm
EUG
-
SAN
1 stop4h 45m
Delta
Sat 5/233:45 pm
SAN
-
EUG
1 stop8h 05m
Delta
Deal found 4/23$137
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:10 am
EUG
-
SAN
Nonstop2h 30m
Southwest
Mon 5/188:55 am
SAN
-
EUG
Nonstop2h 35m
Southwest
Deal found 4/23$143
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:20 pm
EUG
-
SAN
1 stop4h 50m
Southwest
Sat 5/2312:20 pm
SAN
-
EUG
Nonstop2h 35m
Southwest
Deal found 4/23$147
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:48 pm
EUG
-
SAN
1 stop6h 14m
American Airlines
Tue 9/154:57 pm
SAN
-
EUG
1 stop5h 56m
American Airlines
Deal found 4/28$159
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:19 am
BOI
-
SAN
Nonstop2h 21m
Alaska Airlines
Wed 9/24:58 pm
SAN
-
BOI
Nonstop2h 22m
Alaska Airlines
Deal found 4/27$177
This Expedia deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:09 am
EUG
-
SAN
Nonstop2h 24m
Alaska Airlines
Sun 6/77:07 pm
SAN
-
EUG
Nonstop2h 32m
Alaska Airlines
Deal found 4/23$180
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:46 pm
BOI
-
SAN
1 stop5h 39m
United Airlines
Tue 7/711:55 am
SAN
-
BOI
1 stop6h 30m
United Airlines
Deal found 4/23$183
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:40 pm
EUG
-
SAN
Nonstop2h 25m
Southwest
Sat 6/66:40 am
SAN
-
EUG
1 stop7h 25m
Southwest
Deal found 4/23$184
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:49 pm
BOI
-
SAN
Nonstop2h 30m
Alaska Airlines
Sat 8/298:15 am
SAN
-
BOI
1 stop6h 17m
Alaska Airlines
Deal found 4/23$185
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:10 am
PDX
-
SAN
1 stop4h 48m
United Airlines
Wed 8/198:45 am
SAN
-
PDX
1 stop6h 20m
United Airlines
Deal found 4/26$185
This Booking.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:15 am
PDX
-
SAN
1 stop7h 26m
Frontier
Thu 6/49:43 am
SAN
-
PDX
1 stop24h 37m
Frontier
Deal found 4/26$186

Find flight deals from Oregon to San Diego

Keep the following information in mind while searching for Oregon to San Diego flight deals. Data was last updated April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$131
(Expedia)

One-way from

$69
(Delta)

Popular in

March

Cheapest in

January

Average price

$317

Good round-trip deal

$219 or less

Good one-way deal

$109 or less
Provider with most accurate pricing for Portland-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-San Diego flights.
Search Deals
From Oregon to San Diego
Search Deals
One-way flight from Oregon to San Diego
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Oregon to San Diego.
Search Deals
Price to beat on a one-way flight from Oregon to San Diego.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to San Diego 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, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2026.
Use the filters below to find and compare flights from Oregon to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 7/15

7:05 pm-12:31 am

1 stop6h 26m

San Diego

Sat 7/25

11:01 am-4:44 pm

1 stop4h 43m

$189

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Wed 8/12

5:10 am-9:58 am

1 stop4h 48m

San Diego

Mon 8/17

7:41 pm-12:47 am

1 stop5h 06m

$202

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Wed 9/9

3:43 pm-8:45 pm

1 stop5h 02m

San Diego

Mon 9/14

4:06 pm-8:50 pm

1 stop4h 44m

$202

MedfordSan Diego

MFR - SAN

MFRSAN

Medford

Sat 5/23

2:11 pm-11:54 pm

2 stops9h 43m

San Diego

Wed 5/27

7:15 am-12:04 pm

1 stop4h 49m

$222

RedmondSan Diego

RDM - SAN

RDMSAN

Bend/Redmond

Sat 5/23

6:10 am-12:42 pm

1 stop6h 32m

San Diego

Wed 5/27

1:37 pm-6:40 pm

1 stop5h 03m

$227

MedfordSan Diego

MFR - SAN

MFRSAN

Medford

Thu 5/28

6:15 am-2:48 pm

1 stop8h 33m

San Diego

Thu 6/4

7:15 am-12:58 pm

1 stop5h 43m

$227

EugeneSan Diego

EUG - SAN

EUGSAN

Eugene

Tue 9/8

1:18 pm-7:54 pm

1 stop6h 36m

San Diego

Wed 9/16

7:47 pm-10:21 pm

Nonstop2h 34m

$229

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sun 7/26

5:46 pm-10:25 pm

1 stop5h 39m

San Diego

Wed 7/29

6:27 pm-11:55 pm

1 stop4h 28m

$230

RedmondSan Diego

RDM - SAN

RDMSAN

Bend/Redmond

Sat 5/23

1:22 pm-8:46 pm

1 stop7h 24m

San Diego

Wed 5/27

6:20 am-2:51 pm

2 stops8h 31m

$232

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sat 6/27

6:40 am-7:50 am

Nonstop2h 10m

San Diego

Tue 6/30

5:45 pm-12:25 am

1 stop5h 40m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Oregon to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to San Diego

How far ahead should I book a flight from Oregon to San Diego?

To ensure you get the cheapest price possible for a flight from Oregon to San Diego, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Oregon to San Diego?

Currently, June is the cheapest month in which you can book a flight from Oregon to San Diego (average of $49). Flying from Oregon to San Diego in November is currently the most expensive (average of $655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to SAN?

Find hourly flight availability from Oregon to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2026.

A simple way to save on the total cost of your ticket is to fly from Oregon to San Diego in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Oregon to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Oregon to San Diego. Price data was last updated on April 25, 2026.

Travelers seeking maximum savings on their Oregon to San Diego flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Oregon to San Diego

Explore weekly flight availability from Oregon to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 28, 2026.

The most flights from USOR to SAN are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Oregon to San Diego?

Related info for your journey

Find useful and relevant information for your journey from Oregon to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Oregon?

    San Diego (SAN) is the airport you will fly into if you book a flight from Oregon to San Diego. It is only a 2.6 mi journey from San Diego (SAN) to San Diego’s city center.

  • How popular is this Oregon to San Diego flight route?

    Flights from Oregon to San Diego have been viewed 39 times in the past calendar month.

  • How long is the flight from Oregon to San Diego?

    Airlines like United Airlines, Delta, and Alaska Airlines fly from Oregon to San Diego in about 6h 26m. The time it takes to get you to your destination can typically vary by up to 10m. Oregon and San Diego are separated by a distance of 750 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Oregon to San Diego one-way?

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $55. Spirit Airlines flights start at $56 while deals on Delta start at $68 one-way.

  • What are the most popular routes from Oregon to San Diego?

    When deciding which route to take from Oregon to San Diego consider Portland - San Diego, Boise Air Term. Gowen Fld - San Diego or Eugene - San Diego as they are the most popular.

  • What are the most reliable airlines from Oregon to San Diego?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Oregon to San Diego on time: Horizon Air (100%), SkyWest Airlines (93%), Japan Airlines (87%).

  • What are the cheapest flights from Oregon to San Diego?

    Looking for the cheapest flight from Oregon to San Diego? While on average our users pay $259, our data indicates the cheapest price to be $82. The most popular route (Portland - San Diego), is priced around $165.

  • Can I find deals for flights from Oregon to San Diego that include hotel bookings?

    Yes. In addition to deals on Oregon to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to San Diego.

  • Can I find deals for business class flights from Oregon to San Diego?

    Yes. Cheapflights offers flight deals from Oregon to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to San Diego?

    Currently, June is the cheapest month in which you can book a flight from Oregon to San Diego (average of $49). Flying from Oregon to San Diego in November is currently the most expensive (average of $655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oregon to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Newark to San Francisco flights
John F Kennedy Intl to San Francisco flights
LaGuardia to San Francisco flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Seattle to Las Vegas flights
Newark to Los Angeles flights
Newark to Las Vegas flights
San Francisco to Las Vegas flights
O'Hare Intl to Las Vegas flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
Dulles Intl to Las Vegas flights
LaGuardia to Los Angeles flights
Dallas/Fort Worth to Los Angeles flights
San Francisco to Los Angeles flights
LaGuardia to Las Vegas flights
Los Angeles to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
O'Hare Intl to Los Angeles flights
Los Angeles to San Francisco flights
Atlanta to Las Vegas flights
Seattle to San Francisco flights
Denver to Las Vegas flights
Stewart to San Francisco flights
Dulles Intl to Los Angeles flights
San Francisco to Santa Ana flights
Reagan-National to Los Angeles flights
Boston to Las Vegas flights
Burbank to Las Vegas flights
Baltimore to Las Vegas flights
Baltimore to Los Angeles flights
Detroit to Las Vegas flights
Ontario to San Francisco flights
Reagan-National to Las Vegas flights
John F Kennedy Intl to San Jose flights
Atlanta to Los Angeles flights
Dulles Intl to San Francisco flights
Boston to Los Angeles flights
Boston to San Francisco flights
Newark to San Jose flights
O'Hare Intl to San Francisco flights
Seattle to San Diego flights
Hobby to Las Vegas flights
John F Kennedy Intl to Oakland flights
Minneapolis to Las Vegas flights
Santa Ana to Las Vegas flights
Hobby to Los Angeles flights
San Jose to Las Vegas flights
San Francisco to San Diego flights

Top 9 airlines flying from Oregon to San Diego

Discover the top 9 airlines that operate flights from Oregon to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$51Average$101FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$76Average$158FlexibilityNo cancel feeOn-time65%
DeltaCheapest$78Average$210FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$87Average$210FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$130Average$290FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$131Average$299FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$152Average$293FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$163Average$326FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$417FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.