Cheap Flights from Dayton International to San Diego International

Compare Dayton International to San Diego International flight deals

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

Book the best San Diego International fare with no extra fees

Flight deals from Dayton International to San Diego International

Looking for a cheap last-minute deal or the best return flight from Dayton International Airport to San Diego International Airport? If you want to travel next month, return fares start from R 5,808. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dayton International to San Diego International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dayton International to San Diego International flights are currently cheapest in August.

Dayton International to San Diego International: Alternative routes

Compare routes from Dayton International to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

Dayton to San Diego: Flight information

The things to know before you go.
Cheapest flight foundR 2,861
Cheapest month to flyAugust

Finding cheap flights from Dayton International to San Diego International: Frequently asked questions

The best price we found for a return flight from Dayton International to San Diego International is R 5,808. 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.
Currently, there are no airlines that fly direct from Dayton International to San Diego International. But we found flights with one or more stops from R 5,808.
As of July 2026, there are no flights flying from Dayton International to San Diego International.
The cheapest month to fly from Dayton International to San Diego International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dayton International Airport to San Diego International Airport on Tuesday, 18 August 2026.
No airlines currently offer direct flights between Dayton International Airport and San Diego International Airport. Most routes have one or more stops.
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 International 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.

Currently, Delta offers the cheapest flight tickets to San Diego International.

Travelling from Dayton International Airport (DAY) to San Diego International Airport (SAN): what you need to know

  • San Diego is three hours behind Dayton and observes the UTC-8 timezone.

  • Leave plenty of time to make your DAY to SAN flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time like November? Major public holidays and other high seasons can mean longer lines and delays at check-in and security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • Think about adding a stopover when booking your ticket from Dayton International Airport to San Diego International Airport. Simply deselect 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Check out these options between DAY and SAN:

    • Chicago O'Hare International Airport

    • Dallas Fort Worth International Airport

    • Denver International Airport

Handy information about Dayton International Airport (DAY)

  • You'll find DAY at Terminal Building.

  • When it comes to the on-time performance of Dayton International Airport, data shows 76% of flights arrive within the expected timeframe.

  • Central Dayton to Dayton International Airport is around 16 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're catching a taxi, ride-sharing or driving.

  • You can expect a trip time of around 40 minutes on public transport.

  • Searching for a convenient hotel close to DAY? If you're boarding an early flight from Dayton International Airport to San Diego International Airport, these accommodation options will put you moments from your check-in counter:

Arriving at San Diego International Airport (SAN)

  • If you're getting in on a late Dayton International Airport to San Diego International Airport flight, nothing tops the convenience of being near the terminal. Collect your bags from the carousel and then be showered and resting soon after at one of these hotels near SAN:

  • Fast-track your adventure by picking up a San Diego International Airport rental car. Grab a set of wheels from Thrifty, Dollar or Budget and experience the lesser-explored corners of San Diego and beyond.

  • For the lowest price, reserve your ride from San Diego International Airport about two weeks ahead.

When to fly to San Diego International Airport (SAN)

  • August is the busiest month for flights from Dayton International Airport to San Diego International Airport. For smaller crowds, head to San Diego in March.

  • The warmest month in San Diego is August, with temperatures ranging between 16ºC (61ºF) and 27ºC (81ºF). Lock in your flights from Dayton International Airport to San Diego International Airport in this month if you enjoy this type of weather.

  • February sees average temperatures of between 8ºC (46ºF) and 22ºC (72ºF). Search for cheap tickets from DAY to SAN around that time if you want to travel when it's cooler.

Explore more of the United States

  • San Diego is always a good idea, but there are so many other parts of the United States you'll want to see. Around 177 kilometres north-west of San Diego, a visit to Los Angeles will fill your itinerary to the brim. Check out popular attractions like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • Phoenix is another must-experience destination in the United States and is around 483 kilometres east of San Diego. No trip is complete without experiencing Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

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