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Cheap flights from Redmond to San Diego

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      Alaska Airlines
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      Compare Redmond to San Diego flight deals

      Find the cheapest month or even day of the year to fly to San Diego

      Book the best San Diego fare with no extra fees

      Flight deals from Redmond to San Diego

      Looking for a cheap last-minute deal or the best round-trip flight from Redmond Airport to San Diego? If you want to travel next month, round-trip fares start from $236. Find the lowest prices on one-way and round-trip tickets right here.
      San Diego.$198 per passenger.Departing Sat, Sep 26, returning Fri, Oct 2.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Redmond on Sat, Sep 26, arriving in San Diego International.Inbound direct flight with Alaska Airlines departing from San Diego International on Fri, Oct 2, arriving in Redmond.Price includes taxes and charges.From $198, select.
      San Diego.$206 per passenger.Departing Fri, Oct 2, returning Sat, Oct 3.Round-trip flight with United.Outbound indirect flight with United, departing from Redmond on Fri, Oct 2, arriving in San Diego International.Inbound indirect flight with United, departing from San Diego International on Sat, Oct 3, arriving in Redmond.Price includes taxes and charges.From $206, select.
      San Diego.$236 per passenger.Departing Thu, Sep 24, returning Sun, Sep 27.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Redmond on Thu, Sep 24, arriving in San Diego International.Inbound indirect flight with Delta, departing from San Diego International on Sun, Sep 27, arriving in Redmond.Price includes taxes and charges.From $236, select.
      San Diego.$260 per passenger.Departing Wed, Nov 11, returning Sat, Nov 14.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Redmond on Wed, Nov 11, arriving in San Diego International.Inbound direct flight with Alaska Airlines departing from San Diego International on Sat, Nov 14, arriving in Redmond.Price includes taxes and charges.From $260, select.
      San Diego.$266 per passenger.Departing Mon, Dec 21, returning Wed, Dec 30.Round-trip flight with United.Outbound indirect flight with United, departing from Redmond on Mon, Dec 21, arriving in San Diego International.Inbound indirect flight with United, departing from San Diego International on Wed, Dec 30, arriving in Redmond.Price includes taxes and charges.From $266, select.
      San Diego.$268 per passenger.Departing Tue, Sep 22, returning Mon, Sep 28.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Redmond on Tue, Sep 22, arriving in San Diego International.Inbound direct flight with Alaska Airlines departing from San Diego International on Mon, Sep 28, arriving in Redmond.Price includes taxes and charges.From $268, select.
      San Diego.$286 per passenger.Departing Wed, Apr 21, returning Tue, Apr 27.Round-trip flight with United.Outbound indirect flight with United, departing from Redmond on Wed, Apr 21, arriving in San Diego International.Inbound indirect flight with United, departing from San Diego International on Tue, Apr 27, arriving in Redmond.Price includes taxes and charges.From $286, select.
      San Diego.$286 per passenger.Departing Wed, Jan 20, returning Sun, Jan 24.Round-trip flight with United.Outbound indirect flight with United, departing from Redmond on Wed, Jan 20, arriving in San Diego International.Inbound indirect flight with United, departing from San Diego International on Sun, Jan 24, arriving in Redmond.Price includes taxes and charges.From $286, select.
      San Diego.$288 per passenger.Departing Wed, Jan 20, returning Sun, Jan 24.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Redmond on Wed, Jan 20, arriving in San Diego International.Inbound direct flight with Alaska Airlines departing from San Diego International on Sun, Jan 24, arriving in Redmond.Price includes taxes and charges.From $288, select.
      San Diego.$289 per passenger.Departing Thu, Mar 4, returning Sun, Mar 7.Round-trip flight with United.Outbound indirect flight with United, departing from Redmond on Thu, Mar 4, arriving in San Diego International.Inbound indirect flight with United, departing from San Diego International on Sun, Mar 7, arriving in Redmond.Price includes taxes and charges.From $289, select.
      San Diego.$289 per passenger.Departing Fri, Dec 25, returning Fri, Jan 8.Round-trip flight with United.Outbound indirect flight with United, departing from Redmond on Fri, Dec 25, arriving in San Diego International.Inbound indirect flight with United, departing from San Diego International on Fri, Jan 8, arriving in Redmond.Price includes taxes and charges.From $289, select.
      San Diego.$289 per passenger.Departing Wed, Feb 17, returning Mon, Feb 22.Round-trip flight with United.Outbound indirect flight with United, departing from Redmond on Wed, Feb 17, arriving in San Diego International.Inbound indirect flight with United, departing from San Diego International on Mon, Feb 22, arriving in Redmond.Price includes taxes and charges.From $289, select.
      San Diego.$318 per passenger.Departing Thu, May 20, returning Sun, May 23.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Redmond on Thu, May 20, arriving in San Diego International.Inbound direct flight with Alaska Airlines departing from San Diego International on Sun, May 23, arriving in Redmond.Price includes taxes and charges.From $318, select.
      San Diego.$318 per passenger.Departing Wed, Apr 21, returning Tue, Apr 27.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Redmond on Wed, Apr 21, arriving in San Diego International.Inbound direct flight with Alaska Airlines departing from San Diego International on Tue, Apr 27, arriving in Redmond.Price includes taxes and charges.From $318, select.
      San Diego.$368 per passenger.Departing Fri, Dec 18, returning Tue, Dec 29.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Redmond on Fri, Dec 18, arriving in San Diego International.Inbound direct flight with Alaska Airlines departing from San Diego International on Tue, Dec 29, arriving in Redmond.Price includes taxes and charges.From $368, select.
      San Diego.$388 per passenger.Departing Thu, Oct 8, returning Sun, Oct 11.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Redmond on Thu, Oct 8, arriving in San Diego International.Inbound direct flight with Alaska Airlines departing from San Diego International on Sun, Oct 11, arriving in Redmond.Price includes taxes and charges.From $388, select.

      Find the cheapest month to fly from Redmond to San Diego

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Redmond to San Diego flights are currently cheapest in October.
      Aug
      Find prices
      Sep
      from $236
      Oct
      from $206
      Nov
      from $260
      Dec
      from $266
      Jan
      from $286
      Feb
      from $289
      Mar
      from $289
      Apr
      from $286
      May
      from $318
      Jun
      Find prices
      Jul
      Find prices

      Direct flights from Redmond to San Diego

      Alaska Airlines
      American Airlines

      Alternative Redmond to San Diego routes

      Looking for the cheapest, fastest or easiest route from Redmond to San Diego? You could fly into the following airports instead.

      San Diego International

      4km from central San Diego
      ClosestCheapest
      from $197
      Search flights

      McClellan – Palomar

      48km from central San Diego
      from $318
      Search flights

      Redmond to San Diego: Flight information

      The things to know before you go.
      Cheapest flight found$198
      Cheapest month to flySeptember
      Average flight time2 hrs, 25 mins
      Most popular airlineAlaska Airlines
      Average flights per week24

      Finding cheap flights from Redmond to San Diego: Frequently asked questions

      There are 2 airports in San Diego: San Diego International and McClellan – Palomar.
      The best price we found for a round-trip flight from Redmond to San Diego is $197. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      2 hours and 25 minutes is the average flight time from Redmond to San Diego.
      Alaska Airlines and American Airlines fly direct from Redmond to San Diego.
      There are 24 flights per week flying from Redmond to San Diego, as of August 2026.
      The cheapest month to fly from Redmond to San Diego is usually September.
      If you're flying from Redmond Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the center of San Diego. We've found flights to this airport from $197.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Redmond Airport to San Diego on Saturday, September 26, 2026.
      Yes – the average flight time is 2 hours and 25 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.

      In August, the average temperature is usually around 23°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
      Currently, Alaska Airlines offers the cheapest flight tickets to San Diego.

      Traveling from Redmond Municipal Airport (RDM) to San Diego: what you need to know

      • The average duration of a direct flight from Redmond Municipal Airport to San Diego is 2 hours 25 minutes.

      • San Diego's timezone is UTC-8, which is the same as Redmond (the location of Redmond Municipal Airport).

      • The most popular route is from Redmond Municipal Airport (RDM) to San Diego International Airport (SAN). You can choose from ten services every week between these two airports. Alaska Airlines offers a 06:35 departure between RDM and SAN.

      • To avoid missing your RDM to San Diego flight, allow plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule.

      • You can expect longer lines in popular months such as June. Arriving up to four hours ahead of international flights and two hours for a domestic departure will give you plenty of time for security and boarding.

      • Start your trip at RDM and travel nonstop to San Diego International Airport (SAN). That's where you can expect to land when searching for Redmond Municipal Airport to San Diego tickets.

      • Check out the deals with Alaska Airlines. This carrier has direct flights from Redmond Municipal Airport to San Diego.

      • RDM is about 3 kilometers from central Redmond. If you're driving, catching a cab or ride-sharing from the center, it'll take 10 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the trip time to be around 25 minutes.

      • Looking for a hotel near RDM? If you're boarding an early flight from Redmond Municipal Airport to San Diego, these stays put the terminal practically at your doorstep:

      • Redmond Municipal Airport has a strong on-time record, so you're unlikely to face delays. Departures from RDM arrive on schedule 82% of the time.

      How to find the cheapest flights from Redmond Municipal Airport (RDM) to San Diego

      • The lowest price we've found for a one-way Redmond Municipal Airport to San Diego flight is $138. The cheapest price for a return flight is $198. Bear in mind fares may change due to availability at the time of booking.

      • Book two months before your departure date. Research on pricing trends suggests this is the ideal window for finding cheap flights from RDM to San Diego.

      • July is the best month for nabbing an awesome deal on Redmond Municipal Airport to San Diego tickets. If you're looking to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

      • Finding a cheap flight from RDM to San Diego is a breeze with Price Alerts. Simply create one of these automatic notifications and we'll notify you when a cheaper option becomes available.

      • Select your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Redmond Municipal Airport to San Diego by 'Best,' 'Fastest' or 'Cheapest.'

      Airports in San Diego

      San Diego International Airport (SAN)

      • The distance from San Diego International Airport (SAN) to central San Diego is roughly 5 kilometers. It takes around 15 minutes to get to the center driving.

      • Traveling to the center by public transport typically takes 25 minutes.

      • Consider booking a hotel near SAN if you have a late flight from Redmond Municipal Airport to San Diego. Pick one of these options and make your first night all about rest:

      • Lock in the best deal by reserving your ride from San Diego International Airport around two weeks in advance of your flight from RDM to San Diego.

      • The address for SAN is N Harbor Dr.

      McClellan-Palomar Airport (CLD)

      • McClellan-Palomar Airport (CLD) is around 48 kilometers from the center of San Diego. Check out your options for heading into town after your flight from Redmond Municipal Airport to San Diego has touched down.

      • Following your RDM to San Diego flight, rest your head at a hotel close to CLD. These are some comfortable options that'll help you sink into relaxation mode:

      • Pick the vehicle you actually want, not just what's left, by booking your ride from CLD in advance. You can also avoid last-minute price surges, especially during peak travel times.

      Best time to go to San Diego

      • December is the quietest month for flights from Redmond Municipal Airport to San Diego, while July is the busiest. Figure out the best time to go to San Diego based on whether you want a laid-back vibe or a more bustling atmosphere.

      • The warmest month in San Diego is August, with temperatures ranging between 16ºC (61ºF) and 27ºC (81ºF). Lock in your Redmond Municipal Airport to San Diego plane ticket then if that's your definition of good weather.

      • If you want to travel in cooler conditions, look for a cheap ticket from RDM to San Diego in February when temperatures average between 8ºC (46ºF) and 22ºC (72ºF).

      More about San Diego

      Explore more of the United States

      • Los Angeles is just one of the many cities in the United States waiting to be discovered once you've seen the sights of San Diego. Around 177 kilometers away to the northwest, well-known attractions include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

      • Around 483 kilometers east of San Diego, Phoenix is another essential stop in the United States. Get a taste of what this destination has to offer at Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

      Plan the rest of your trip from Redmond to San Diego

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.