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$144 Cheap Flights from Redmond (RDM) to San Diego (SAN)

Popular airlines from Redmond Municipal Airport (RDM) to San Diego Intl. Airport (SAN)

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Cheap Flights from Redmond to San Diego (RDM-SAN)

Prices were available within the past 7 days and start at $144 for one-way flights and $203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Delta
Alaska Airlines
Alaska Airlines
Alaska Airlines
Delta
Delta
Alaska Airlines
United
American Airlines

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Redmond (RDM) to San Diego (SAN)

May is typically the cheapest month to fly

From $229 - $697 per traveler.

What you need to know for your flight from Robert's Field to San Diego Intl.

Redmond (RDM) to San Diego (SAN) at a glance

Travel from Redmond (RDM) to San Diego (SAN) with a range of airlines offering convenient routes on this domestic short-haul journey. Explore various flight options from full-service carriers to find the itinerary that suits your budget, schedule, and travel plans as you prepare to discover San Diego’s iconic sights and vibrant neighborhoods. Here’s what you need to know about flights from Robert's Field Airport (RDM) to San Diego International Airport (SAN).

  • Fastest flight duration: around 2h 15m non-stop
  • Route distance: roughly 800 miles (1,290 km)
  • Flights per week: around 14 flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $90–$355, depending on seasonality and how far ahead you book

Flights from Robert's Field Airport (RDM) to San Diego International Airport (SAN)

Based on the latest traveler bookings, here are the top airlines favored for trips from Redmond to San Diego, predominantly offering non-stop and one-stop flights. Common layover options include Seattle-Tacoma International Airport (SEA) with an approximate 1 hour 30 minute layover, San Francisco International Airport (SFO) at about 1 hour 15 minutes, and Sky Harbor International Airport (PHX) with a 2-hour layover. These choices allow you to balance cost, travel time, and cabin class to create the ideal itinerary.

  • Alaska Airlines: This full-service airline provides both non-stop and one-stop flights, with one-way ticket prices generally falling between $90 and $385. It represents about 53% of the departures on this route, and the average non-stop flight duration is 2 hours and 15 minutes.
  • United: As a full-service carrier, United offers one-stop routes with one-way fares typically ranging from $100 to $310. It constitutes around 21% of the departures for this journey, featuring an in-flight duration of 3 hours and 45 minutes, totaling approximately 5 hours when including layover time.
  • Delta: This full-service airline also provides one-stop service with one-way fares usually between $90 and $305. Delta accounts for nearly 19% of departures on this route, with an in-flight time of 3 hours and 45 minutes and an overall travel time of about 5 hours, factoring in the layover.
  • American Airlines: Offering both non-stop and one-stop flights, American Airlines has one-way fares that generally range from $95 to $525. It makes up roughly 5% of the departures for this route, with a typical one-stop journey lasting 3 hours and 45 minutes in the air and a total travel time close to 5 hours.
  • Hawaiian Airlines: This full-service carrier specializes in non-stop flights, with one-way fares typically between $125 and $390. It accounts for about 2% of departures on this route, with an overall travel duration of 2 hours and 15 minutes.

Travelers flying from Redmond to San Diego have the option to upgrade their journey. Alaska Airlines provides first class and business class service, while Delta offers first class and premium economy class.

Best time to fly from Redmond (RDM) to San Diego (SAN)

The most popular months for travelers flying from Redmond to San Diego are February, March, and April, when peak temperatures in San Diego reach up to 60.6°F in April. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 62.6°F. For better deals, October usually offers the lowest average one-way fare around $162. Flight availability peaks in August, with approximately 18 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $162, roughly 20% cheaper than the yearly average.
  • Most flight options: August has the highest number of flights from Redmond to San Diego, with approximately 18 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January57.4°F (14.1°C)Average13$203
February56.8°F (13.8°C)Moderately High13$215
March58.1°F (14.5°C)Moderately High14$213
April60.6°F (15.9°C)Moderately High12$223
May62.6°F (17.0°C)Average14$208
June66.4°F (19.1°C)Average15$216
July70.5°F (21.4°C)Average16$231
August72.3°F (22.4°C)Average18$199
September72.0°F (22.2°C)Moderately Low13$201
October68.2°F (20.1°C)Average13$162
November62.6°F (17.0°C)Moderately Low11$190
December57.4°F (14.1°C)Moderately Low11$203

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Redmond (RDM) to San Diego (SAN)

  • Redmond to Carlsbad (RDM-CLD): McClellan-Palomar Airport (CLD) is located approximately 28 miles from San Diego International Airport (SAN). One-way economy ticket prices on this route generally fall between $100 and $475, influenced by the season and the timing of your booking. Typically, this route features one-stop options, mainly connecting through Sky Harbor International Airport (PHX). American Airlines is the leading carrier for this journey.

How to find the best prices for flights from Redmond (RDM) to San Diego (SAN)

Getting some of the best deals on flights from Redmond to San Diego is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2 to 8 weeks in advance, which aligns with when most travelers make their reservations. Morning departures between 5 AM and 12 PM tend to offer lower prices and are also the most popular. Additionally, flying on Monday generally provides cheaper rates, although Thursday is the most sought-after travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find San Diego hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at San Diego International Airport from Robert's Field Airport

San Diego welcomes travelers from Redmond with a range of transport options based on price, convenience, and proximity. Here's how to reach San Diego efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in San Diego, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from San Diego International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at San Diego International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From San Diego International Airport, Seaport, a seaport, is located about 0.1 miles away on foot, while Middletown Station, a metro station, is approximately 2.3 miles from the airport by car. For those planning a cruise, B Street Cruise Ship Terminal, a cruise terminal, is situated about 3 miles away by car.

Frequently asked questions

How much does a flight from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) cost?
You can find cheap one-way flights from $144 and cheap return flights from $203 Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) with Expedia. One-way flights typically cost between $111 and $672, and return flights often range between $267 and $1078. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
October is the cheapest month to fly from Redmond, OR (RDM) to San Diego, CA (SAN), with average return fares around $266. This fare is about 22% lower than the average price throughout the year, as travel demand typically decreases after the summer. Other affordable months to consider are January and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
Enter RDM to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
The best airline to fly with from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from RDM to SAN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
The best time to fly from Redmond, OR (RDM) to San Diego, CA (SAN) is typically in October or January. During these months, you can find return flights at around $266, making them the cheapest options. October is a great time to enjoy pleasant weather in San Diego, while January offers lower travel demand, allowing for a more relaxed travel experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from Redmond (RDM) to San Diego (SAN) typically departs at around 5:00 AM, operated by Delta. This seasonal service is available in January and December, allowing you to kick off your day early and enjoy San Diego to the fullest. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from Redmond (RDM) to San Diego (SAN) are in the early afternoon, from 12pm to 3pm. About 28% of passengers prefer this time window. Many major carriers, including United Airlines and Alaska Airlines, offer flights during this window. This timing is popular because it allows you to enjoy a leisurely morning before heading to sunny San Diego.
How long does it take to fly from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
A nonstop flight from RDM to SAN typically takes around 2 hours 20 minutes, covering approximately 824 miles. Connecting flights on this route usually add 4 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
You can fly first class between RDM and SAN. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How much is a business class flight from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
A direct, return business class ticket from Redmond (RDM) to San Diego (SAN) typically costs between $487 - $775. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Diego from Robert's Field (RDM)?
From Robert's Field (RDM), you can fly into San Diego Intl. (SAN) to reach San Diego. Some flights may connect through major hubs like San Francisco Intl. (SFO), Los Angeles Intl. (LAX), Denver Intl. (DEN) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) San Diego Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Redmond, OR (RDM-Robert's Field) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Robert's Field
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$202
Distance
824 mi
Average flight time
2 hours 24 mins

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*Flight schedules are subject to change.

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