$113+ Cheap flights from Redmond to San Diego (RDM - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — SAN
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Redmond 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.Cheapflights Tip: The best prices from Bend/Redmond to San Diego are usually found in October or February, booked 75 days in advance, depart on a Wednesday or Friday and return on a Saturday
Cheap flight deals from Redmond to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Redmond to San DiegoExplore the most affordable flight options available from Redmond to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Redmond to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This SmartFares deal was found by Cheapflights users on 9/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:22 am -
1 stop7h 30m
Tue 10/276:15 am -
1 stop6h 23m
Deal found 9/5![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/2410:22 am -
1 stop13h 04m
Wed 10/286:15 am -
1 stop6h 23m
Deal found 9/6![Alaska Airlines logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/26:47 pm -
1 stop15h 19m
Sat 10/31:54 pm -
Nonstop2h 32m
Deal found 9/2![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 10/246:09 pm -
1 stop15h 57m
Tue 11/107:00 am -
1 stop4h 43m
Deal found 9/4![Alaska Airlines logo]()
$250
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 10/26:17 pm -
2 stops15h 43m
Mon 10/57:27 pm -
1 stop17h 11m
Deal found 9/6![Alaska Airlines logo]()
$251
Best flights from Redmond to San DiegoDiscover carefully curated flight deals from Redmond to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Redmond to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Delta deal was found by Cheapflights users on 9/6. 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.
Wed 11/46:10 am -
1 stop6h 48m
Tue 11/103:52 pm -
1 stop7h 05m
Deal found 9/6![Delta logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/2410:22 am -
1 stop13h 04m
Wed 10/286:15 am -
1 stop6h 23m
Deal found 9/6![Alaska Airlines logo]()
$203
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 10/61:52 pm -
1 stop4h 43m
Sun 10/116:15 am -
1 stop5h 53m
Deal found 9/4![United Airlines logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 12/512:24 pm -
Nonstop2h 21m
Sat 12/1210:30 am -
Nonstop2h 18m
Deal found 9/3![Alaska Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/21:52 pm -
1 stop6h 53m
Sat 10/37:00 am -
1 stop5h 50m
Deal found 9/2![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 11/126:20 am -
1 stop6h 28m
Sun 11/157:20 am -
1 stop5h 17m
Deal found 9/2![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 10/61:35 pm -
1 stop20h 31m
Sun 10/116:15 am -
1 stop6h 23m
Deal found 9/5![Alaska Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/42:05 pm -
2 stops6h 19m
Tue 11/106:15 am -
1 stop5h 51m
Deal found 9/6![United Airlines logo]()
$312
Last-minute flights from Redmond to San DiegoDiscover last-minute flight deals from Redmond to San Diego. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Redmond to San Diego. Data last updated September 7, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/26:47 pm -
1 stop15h 19m
Sat 10/31:54 pm -
Nonstop2h 32m
Deal found 9/2![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 10/26:17 pm -
2 stops15h 43m
Mon 10/57:27 pm -
1 stop17h 11m
Deal found 9/6![Alaska Airlines logo]()
$251
This SmartFares deal was found by Cheapflights users on 9/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:22 am -
1 stop7h 30m
Tue 10/276:15 am -
1 stop6h 23m
Deal found 9/5![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/2410:22 am -
1 stop13h 04m
Wed 10/286:15 am -
1 stop6h 23m
Deal found 9/6![Alaska Airlines logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 10/246:09 pm -
1 stop15h 57m
Tue 11/107:00 am -
1 stop4h 43m
Deal found 9/4![Alaska Airlines logo]()
$250
One-way flights from Redmond to San DiegoSearch for one-way flight options from Redmond to San Diego. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Redmond to San Diego. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:20 pm -
1 stop7h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:20 pm -
1 stop28h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$115
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 9/206:00 am -
1 stop4h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$144
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Sun 12/61:50 pm -
1 stop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/161:52 pm -
2 stops6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 9/2. 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.
Sun 10/256:10 am -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/27:24 pm -
1 stop20h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$167
This Priceline deal was found by Cheapflights users on 9/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:10 pm -
Nonstop2h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Alaska Airlines logo]()
$169
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 10/47:20 pm -
1 stop5h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$172
Find flight deals from Redmond to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Redmond (RDM) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (SmartFares) |
One-way from | $113 (Kiwi.com) |
Popular in | January |
Cheapest in | October |
Average price | $286 |
Good round-trip deal | $419 or less |
Good one-way deal | $178 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Redmond 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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Redmond to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RedmondSan Diego
RDM Bend/Redmond - SAN San Diego
RDMSAN
Bend/Redmond
Thu 10/29
3:00 pm-10:12 pm
1 stop7h 12m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
Quickest round-trip
RedmondSan Diego
RDM Bend/Redmond - SAN San Diego
RDMSAN
Bend/Redmond
Sat 10/24
6:00 am-10:17 am
1 stop4h 17m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
RedmondSan Diego
RDM Bend/Redmond - SAN San Diego
RDMSAN
Bend/Redmond
Sun 9/20
6:00 am-10:17 am
1 stop4h 17m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
RedmondSan Diego
RDM Bend/Redmond - SAN San Diego
RDMSAN
Bend/Redmond
Sun 12/6
1:50 pm-6:23 pm
1 stop4h 33m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
RedmondSan Diego
RDM Bend/Redmond - SAN San Diego
RDMSAN
Bend/Redmond
Sat 10/17
1:52 pm-8:08 pm
2 stops6h 16m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
RedmondSan Diego
RDM Bend/Redmond - SAN San Diego
RDMSAN
Bend/Redmond
Wed 9/16
1:52 pm-6:35 pm
1 stop4h 43m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
RedmondSan Diego
RDM Bend/Redmond - SAN San Diego
RDMSAN
Bend/Redmond
Sat 10/10
1:52 pm-8:08 pm
2 stops6h 16m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
RedmondSan Diego
RDM Bend/Redmond - SAN San Diego
RDMSAN
Bend/Redmond
Wed 10/7
6:10 am-12:58 pm
1 stop6h 48m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
RedmondSan Diego
RDM Bend/Redmond - SAN San Diego
RDMSAN
Bend/Redmond
Sun 10/25
6:10 am-12:58 pm
1 stop6h 48m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
RedmondSan Diego
RDM Bend/Redmond - SAN San Diego
RDMSAN
Bend/Redmond
Sat 11/7
2:05 pm-8:24 pm
2 stops6h 19m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Redmond to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Redmond to San Diego in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Redmond-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Redmond-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Redmond-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Redmond-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Redmond-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Redmond to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Redmond with our price prediction graph.
RDM-SAN
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 Redmond to San Diego
Prices
Airlines
How far ahead should I book a flight from Redmond to San Diego?
Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Redmond to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Redmond to San Diego?
Currently, October is the cheapest month in which you can book a flight from Redmond to San Diego (average of $280). Flying from Redmond to San Diego in January is currently the most expensive (average of $395). 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 RDM to SAN?
Find hourly flight availability from Redmond 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 September 7, 2026.
It’s typically best to fly out from Redmond to San Diego in the evening. Doing so could potentially save you 46% on the flight price compared to flying in the afternoon, which is usually more expensive.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated September 7, 2026.
Read through reviews of airlines operating flights from Redmond to San Diego, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Redmond to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
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Redmond and San Diego flights
Browse other Redmond and San Diego flight options. Last updated on September 7, 2026.
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Browse through other flights departing from Redmond. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Top 3 airlines flying from Redmond to San Diego
Discover the top 3 airlines that operate flights from Redmond 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$142 | Average$218 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$326 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$220 | Average$306 | FlexibilityNo cancel fee | On-time69% |