App
Customer Support
EUR
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Portland to San Diego Starting at €29

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        PDX09:29 pm
        2h 30m
        Nonstop
        SAN11:59 pm
        Sat, Feb 22|Portland - San Diego|Alaska Airlines
        €58€63
        8% OFF
        8% OFF
        €63€58

        Choose Alaska Airlines flights from Portland to San Diego. The one-way direct flight with Alaska Airlines departs from Portland International Airport on Sat, Feb 22, arriving at San Diego International Airport. One-way Prices start from €58 including taxes and charges.

      • PDX04:59 pm
        2h 26m
        Nonstop
        SAN07:25 pm
        Sat, Feb 8|Portland - San Diego|Alaska Airlines
        €59€63
        6% OFF
        6% OFF
        €63€59

        Choose Alaska Airlines flights from Portland to San Diego. The one-way direct flight with Alaska Airlines departs from Portland International Airport on Sat, Feb 8, arriving at San Diego International Airport. One-way Prices start from €59 including taxes and charges.

      • PDX06:35 am
        6h 33m
        1 stop
        SAN01:08 pm
        Mon, Feb 10|Portland - San Diego|Frontier Airlines
        €29€63
        54% OFF
        54% OFF
        €63€29

        Choose Frontier Airlines flights from Portland to San Diego. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Mon, Feb 10, arriving at San Diego International Airport. One-way Prices start from €29 including taxes and charges.

      • PDX06:35 am
        6h 33m
        1 stop
        SAN01:08 pm
        Fri, Feb 7|Portland - San Diego|Frontier Airlines
        €37
        €37

        Choose Frontier Airlines flights from Portland to San Diego. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Fri, Feb 7, arriving at San Diego International Airport. One-way Prices start from €37 including taxes and charges.

      • PDX06:35 am
        6h 33m
        1 stop
        SAN01:08 pm
        Mon, Feb 3|Portland - San Diego|Frontier Airlines
        €40
        €40

        Choose Frontier Airlines flights from Portland to San Diego. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Mon, Feb 3, arriving at San Diego International Airport. One-way Prices start from €40 including taxes and charges.

      • PDX07:35 am
        7h 22m
        1 stop
        SAN02:57 pm
        Sat, Feb 8|Portland - San Diego|Frontier Airlines
        €47
        €47

        Choose Frontier Airlines flights from Portland to San Diego. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Sat, Feb 8, arriving at San Diego International Airport. One-way Prices start from €47 including taxes and charges.

      • PDX07:35 am
        7h 22m
        1 stop
        SAN02:57 pm
        Sat, Feb 1|Portland - San Diego|Frontier Airlines
        €47
        €47

        Choose Frontier Airlines flights from Portland to San Diego. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Sat, Feb 1, arriving at San Diego International Airport. One-way Prices start from €47 including taxes and charges.

      • PDX07:35 am
        5h 57m
        1 stop
        SAN01:32 pm
        Wed, Feb 5|Portland - San Diego|Frontier Airlines
        €48
        €48

        Choose Frontier Airlines flights from Portland to San Diego. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Wed, Feb 5, arriving at San Diego International Airport. One-way Prices start from €48 including taxes and charges.

      • PDX11:00 am
        6h 30m
        1 stop
        SAN05:30 pm
        Wed, Feb 5|Portland - San Diego|Alaska Airlines
        €48
        €48

        Choose Alaska Airlines flights from Portland to San Diego. The one-way connecting flight with Alaska Airlines departs from Portland International Airport on Wed, Feb 5, arriving at San Diego International Airport. One-way Prices start from €48 including taxes and charges.

      • PDX10:37 am
        8h 21m
        1 stop
        SAN06:58 pm
        Thu, Jan 30|Portland - San Diego|Frontier Airlines
        €48
        €48

        Choose Frontier Airlines flights from Portland to San Diego. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Thu, Jan 30, arriving at San Diego International Airport. One-way Prices start from €48 including taxes and charges.

      • PDX01:00 pm
        3h 5m
        Nonstop
        SAN02:00 pm
        Thu, Feb 6|Portland - San Diego|Alaska Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Portland to San Diego Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS1204

    Alaska Airlines

    02:30 pm

    PDX

    2.5h

    Nonstop

    04:59 pm

    SAN

    SMTWTFS
    Search

  2. AS2082

    Alaska Airlines

    05:20 pm

    PDX

    0.9h

    06:14 pm

    SEA

    SMTWTFS
    Search

  3. AS1164

    Alaska Airlines

    09:16 pm

    SEA

    2.7h

    11:59 pm

    SAN

    S-TWT-S

  4. F91790

    Frontier Airlines

    06:20 am

    PDX

    2.6h

    09:56 am

    DEN

    SMTWTFS
    Search

  5. F92711

    Frontier Airlines

    10:43 pm

    DEN

    2.5h

    12:14 am

    SAN

    S-----S

  6. F91790

    Frontier Airlines

    06:20 am

    PDX

    2.6h

    09:56 am

    DEN

    SMTWTFS
    Search

  7. F92817

    Frontier Airlines

    08:00 am

    DEN

    2.6h

    09:35 am

    SAN

    SMTWTFS

  8. AS1162

    Alaska Airlines

    06:55 pm

    PDX

    2.5h

    Nonstop

    09:25 pm

    SAN

    SMTWTFS
    Search

  9. AS1074

    Alaska Airlines

    07:00 am

    PDX

    2.5h

    Nonstop

    09:28 am

    SAN

    SMTWTFS
    Search

  10. AS1122

    Alaska Airlines

    08:55 pm

    PDX

    2.4h

    Nonstop

    11:19 pm

    SAN

    SMTWTFS
    Search

  11. DL3953

    Delta Air Lines

    09:10 am

    PDX

    1.2h

    10:24 am

    SEA

    SMTWTFS
    Search

  12. DL2572

    Delta Air Lines

    11:40 am

    SEA

    2.9h

    02:33 pm

    SAN

    SMTWTFS

  13. AS128

    Alaska Airlines

    10:30 am

    PDX

    1.9h

    12:21 pm

    SFO

    SMTWTFS
    Search

  14. AS3352

    Alaska Airlines

    03:57 pm

    SFO

    1.6h

    05:30 pm

    SAN

    SMTWT-S

  15. F92260

    Frontier Airlines

    10:58 am

    PDX

    2.7h

    01:41 pm

    PHX

    ---W---
    Search

  16. F93167

    Frontier Airlines

    01:40 pm

    PHX

    1.4h

    02:02 pm

    SAN

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Portland to San Diego?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Portland (PDX) to San Diego (SAN) the cheapest?

    Airlines adjust prices for flights from Portland to San Diego based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Portland (PDX) to San Diego (SAN) cost?

    According to Trip.com's data, the lowest price is around €173.

  • How long does it take to fly from Portland (PDX) to San Diego (SAN) and what is the distance?

    It takes around 3 hours 13 minutes to fly from Portland (PDX) to San Diego (SAN).

  • What is the transportation method from the main airport to downtown in San Diego?

    • The distance from San Diego International Airport to downtown is about 3 km. It takes about 20 minutes by taxi.

  • What are the most popular airlines that fly from Portland (PDX) to San Diego (SAN)?

    Airlines with flights from Portland (PDX) to San Diego (SAN): Alaska Airlines, Hawaiian Airlines, United Airlines, Japan Airlines and Southwest Airlines.

How to find a cheap flight from Portland to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to San Diego. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Portland to San Diego

Cheapest nonstop flight price€28
Cheapest round-trip ticket price€99
Off-season for travelNovember
Peak season for travelApril
Flight distance1,502.8 km
Average flight time3 hours 13 minutes
Popular airlineAmerican Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.