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$229+ Cheap flights from Roanoke to San Diego (ROA - 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ROA — SAN
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
1 adult, Economy
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Cheapflights Tip: The best prices from Roanoke to San Diego are usually found in August or May, booked 76 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from Roanoke to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Roanoke (ROA) 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 July 25, 2025.

Round-trip from

$309
(United Airlines)

One-way from

$229
(Delta)

Popular in

June

Cheapest in

August

Average price

$518
From Roanoke to San Diego
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One-way flight from Roanoke to San Diego
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Roanoke to San Diego

Cheapest flights from Roanoke to San Diego
Explore the most affordable flight options available from Roanoke to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2025.

This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 10/255:40 pmROA - SAN
1 stop7h 34mUnited Airlines
Tue 10/287:00 amSAN - ROA
1 stop6h 56mUnited Airlines
Deal found 7/23$309
This American Airlines deal was found by Cheapflights users on 7/24. 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 8/235:00 amROA - SAN
2 stops9h 59mAmerican Airlines
Sat 8/306:19 amSAN - ROA
2 stops11h 11mAmerican Airlines
Deal found 7/24$359
This Delta deal was found by Cheapflights users on 7/24. 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 8/73:45 pmROA - SAN
1 stop8h 30mDelta
Sun 8/109:30 pmSAN - ROA
1 stop10h 00mDelta
Deal found 7/24$404

Cheapflights Fare Finder

 
Customize your flight search to find flights from Roanoke 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 July 25, 2025.
Use the filters below to find and compare flights from Roanoke to San Diego that are best for you.

Fly from

Roanoke

Fly to

San Diego

Route

Depart

Return

Price

RoanokeSan Diego

ROA - SAN

ROASAN

Roanoke

Sat 10/25

5:40 pm-10:14 pm

1 stop7h 34m

San Diego

Tue 10/28

7:00 am-4:56 pm

1 stop6h 56m

$309

RoanokeSan Diego

ROA - SAN

ROASAN

Roanoke

Sat 8/23

5:00 am-11:59 am

2 stops9h 59m

San Diego

Sat 8/30

6:19 am-8:30 pm

2 stops11h 11m

$359

RoanokeSan Diego

ROA - SAN

ROASAN

Roanoke

Thu 8/7

3:45 pm-9:15 pm

1 stop8h 30m

San Diego

Sun 8/10

9:30 pm-10:30 am

1 stop10h 00m

$404

RoanokeSan Diego

ROA - SAN

ROASAN

Roanoke

Tue 7/29

6:00 am-9:23 am

1 stop6h 23m

$229

RoanokeSan Diego

ROA - SAN

ROASAN

Roanoke

Tue 8/26

6:45 am-11:40 am

1 stop7h 55m

$245

RoanokeSan Diego

ROA - SAN

ROASAN

Roanoke

Wed 8/6

2:42 pm-7:38 pm

2 stops7h 56m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Best time to book a flight from Roanoke to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Roanoke 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 Roanoke to San Diego

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

Use this chart to determine the optimal time to book a round-trip flight from Roanoke to San Diego. Price data was last updated on July 18, 2025.

To ensure you get the cheapest price possible for a flight from Roanoke to San Diego, you should look to book at least 75 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 Roanoke to San Diego?

Currently, August is the cheapest month in which you can book a flight from Roanoke to San Diego (average of $286). Flying from Roanoke to San Diego in March is currently the most expensive (average of $366). 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 ROA to SAN?

Find hourly flight availability from Roanoke 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 July 25, 2025.

It’s optimal to fly from Roanoke to San Diego in the evening. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the afternoon.

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

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 July 25, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Roanoke to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,967 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,876 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Roanoke 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 are the cheapest airlines flying from Roanoke to San Diego round-trip?

    Cheapflights users have booked flights from Roanoke to San Diego round-trip from $309. Other airlines that can offer you cheap pricing are American Airlines, from $359, and Delta, from $404. United Airlines is 34% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $229 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $245 and $417, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Roanoke 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 Roanoke to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Roanoke to San Diego (average of $286). Flying from Roanoke to San Diego in March is currently the most expensive (average of $366). 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
Coronado
Poway
National City
Lemon Grove
Imperial Beach
La Mesa
Alpine
Santee

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Top 3 airlines flying from Roanoke to San Diego

Discover the top 3 airlines that operate flights from Roanoke 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 July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$438FlexibilityNo cancel feeOn-time69%
DeltaCheapest$296Average$346FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$476FlexibilityNo cancel feeOn-time71%

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