Cheap Flights from Appleton to San Diego International

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

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

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

Appleton to San Diego International: Alternative routes

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

Appleton to San Diego: Flight information

The things to know before you go.
Cheapest flight foundR 1,726
Cheapest month to flyApril

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

The best price we found for a return flight from Appleton to San Diego International is R 5,776. 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 Appleton to San Diego International. But we found flights with one or more stops from R 5,776.
As of March 2026, there are no flights flying from Appleton to San Diego International.
The cheapest month to fly from Appleton to San Diego International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Appleton Airport to San Diego International Airport on Friday, 12 June 2026.
No airlines currently offer direct flights between Appleton 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, United offers the cheapest flight tickets to San Diego International.

Flying from Appleton International Airport (ATW) to San Diego International Airport (SAN): what you need to know

  • San Diego's timezone is UTC-7, making San Diego two hours behind Appleton.

  • To ensure you get on your ATW to SAN flight, leave enough 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'll likely experience longer lines during popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a good idea.

  • Think about adding a stopover when booking your ticket from Appleton 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. Here's where you can stop between ATW and SAN:

    • Minneapolis-St. Paul International Airport

    • Denver International Airport

    • O'Hare International Airport

How to find the cheapest flights from Appleton International Airport (ATW) to San Diego International Airport (SAN)

  • Currently, R 1,726 is the cheapest price we've seen for a one-way Appleton International Airport to San Diego International Airport flight. The best price for a return plane ticket is R 5,776. Bear in mind that fares could change due to demand when booking.

  • To score cheap tickets from ATW to SAN, book in advance. Airlines generally offer lower prices when flights are first made available.

  • The 'Whole month' search function shows you the cheapest flights from Appleton International Airport to San Diego International Airport across the month. It's a great way to snap up a bargain if your plans aren't set in stone.

  • Finding cheap flights from ATW to SAN is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a new deal comes up.

  • Lock in the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Appleton International Airport to San Diego International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Appleton International Airport (ATW)

  • You'll find ATW at West 6390, Challenger Drive, Suite 201.

  • Of all flights departing from Appleton International Airport, 69.93% land on schedule at their destination.

  • Appleton International Airport is around 10 kilometres from central Appleton. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • Catching an early flight from Appleton International Airport to San Diego International Airport? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by picking one of these hotels close to ATW:

Arriving at San Diego International Airport (SAN)

Getting from San Diego International Airport (SAN) to central San Diego

  • SAN is located at Airport Drive.

  • San Diego International Airport is roughly 5 kilometres from the centre of San Diego. The drive time takes around 10 minutes.

  • Getting there by public transport will take you around 20 minutes.

When to fly to San Diego International Airport (SAN)

  • The quietest month for a flight from Appleton International Airport to San Diego International Airport is May, while July is the most popular. Choose the best time to visit San Diego based on whether you prefer a more relaxed vibe or a faster pace.

  • Lock in your flight from Appleton International Airport to San Diego International Airport for August if you'd like to explore San Diego during its warmest month. You can expect temperatures of between 17ºC (63ºF) and 28ºC (82ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from ATW to SAN in February. Average temperatures are between 7ºC (45ºF) and 23ºC (73ºF) then.

Explore more of United States

  • San Diego is easy to fall in love with, but there are so many other parts of United States you should also see. About 177 kilometres north-west of San Diego, a trip to Los Angeles will keep you on the move. Start with leading attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Around 483 kilometres east of San Diego, Phoenix is another favourite stop in United States. Get a taste of what this destination has to offer at Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.