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$179+ Cheap flights from Dayton to San Diego (DAY - 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Dayton to San Diego are usually found in July or August, booked 65 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Dayton to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) 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 June 12, 2025.

Round-trip from

$259
(United Airlines)

One-way from

$179
(Mytrip)

Popular in

March

Cheapest in

July

Average price

$453
From Dayton to San Diego
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One-way flight from Dayton to San Diego
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Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dayton to San Diego

Cheapest flights from Dayton to San Diego
Explore the most affordable flight options available from Dayton to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 7/42:00 pmDAY - SAN
1 stop7h 35mUnited Airlines
Sun 7/69:50 pmSAN - DAY
1 stop9h 01mUnited Airlines
Deal found 6/10$259
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/215:20 pmDAY - SAN
1 stop9h 03mAmerican Airlines
Mon 8/251:52 pmSAN - DAY
1 stop6h 08mAmerican Airlines
Deal found 6/11$289
This Delta deal was found by Cheapflights users on 6/11. 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 7/257:18 pmDAY - SAN
1 stop7h 03mDelta
Mon 7/2810:30 pmSAN - DAY
1 stop8h 57mDelta
Deal found 6/11$314
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/219:28 pmDAY - SAN
3 stops28h 38mMultiple Airlines
Sun 7/276:15 amSAN - DAY
3 stops35h 23mMultiple Airlines
Deal found 6/11$483
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 7/2112:44 pmDAY - SAN
2 stops14h 21mAlaska Airlines
Sun 7/278:45 pmSAN - DAY
2 stops17h 23mAlaska Airlines
Deal found 6/11$573

Cheapflights Fare Finder

Customize your flight search to find flights from Dayton 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 June 12, 2025.
Use the filters below to find and compare flights from Dayton to San Diego that are best for you.

Fly from

Dayton

Fly to

San Diego

Route

Depart

Return

Price

DaytonSan Diego

DAY - SAN

DAYSAN

Dayton

Fri 7/4

2:00 pm-6:35 pm

1 stop7h 35m

San Diego

Sun 7/6

9:50 pm-9:51 am

1 stop9h 01m

$259

DaytonSan Diego

DAY - SAN

DAYSAN

Dayton

Thu 8/21

5:20 pm-11:23 pm

1 stop9h 03m

San Diego

Mon 8/25

1:52 pm-11:00 pm

1 stop6h 08m

$289

DaytonSan Diego

DAY - SAN

DAYSAN

Dayton

Fri 7/25

7:18 pm-11:21 pm

1 stop7h 03m

San Diego

Mon 7/28

10:30 pm-10:27 am

1 stop8h 57m

$314

DaytonSan Diego

DAY - SAN

DAYSAN

Dayton

Mon 7/21

9:28 pm-11:06 pm

3 stops28h 38m

San Diego

Sun 7/27

6:15 am-8:38 pm

3 stops35h 23m

$483

DaytonSan Diego

DAY - SAN

DAYSAN

Dayton

Mon 7/21

12:44 pm-12:05 am

2 stops14h 21m

San Diego

Sun 7/27

8:45 pm-5:08 pm

2 stops17h 23m

$573

DaytonSan Diego

DAY - SAN

DAYSAN

Dayton

Sun 8/3

9:30 pm-9:55 am

3 stops39h 25m

$179

DaytonSan Diego

DAY - SAN

DAYSAN

Dayton

Sat 8/16

4:30 pm-9:15 pm

1 stop7h 45m

$190

DaytonSan Diego

DAY - SAN

DAYSAN

Dayton

Tue 8/19

12:43 pm-11:59 pm

2 stops14h 16m

$240

DaytonSan Diego

DAY - SAN

DAYSAN

Dayton

Mon 8/18

5:55 pm-11:44 pm

2 stops8h 49m

$249

DaytonSan Diego

DAY - SAN

DAYSAN

Dayton

Fri 8/15

6:10 am-3:25 pm

2 stops12h 15m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Dayton to San Diego

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dayton to San Diego. Price data was last updated on June 9, 2025.

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dayton 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 Dayton to San Diego?

Currently, August is the cheapest month in which you can book a flight from Dayton to San Diego (average of $286). Flying from Dayton 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 DAY to SAN?

Find hourly flight availability from Dayton 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 June 12, 2025.

It’s optimal to fly from Dayton to San Diego in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Dayton to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Dayton to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Dayton to San Diego flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Dayton to San Diego, such as Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Dayton 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 Dayton to San Diego round-trip?

    Flying on United Airlines is currently your cheapest option to San Diego, with prices starting at $259. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $289 and $314, respectively. United Airlines is currently priced 42% below the average price you’ll pay for this route.

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

    $190 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $240 and $249, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Dayton to San Diego (average of $286). Flying from Dayton 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 Dayton?

Book flights to Dayton if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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Top 3 airlines flying from Dayton to San Diego

Discover the top 3 airlines that operate flights from Dayton 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$418FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$446FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$457FlexibilityNo cancel feeOn-time71%

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