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Cheap flights from Appleton to San Diego from $179

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Appleton to San Diego departing on 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Appleton to San Diego

Cheap round-trip flights

Delta Logo
11:11 am - 6:00 pmATW-SAN
8h 49m1 stop
Delta Logo
7:20 am - 5:22 pmSAN-ATW
8h 02m1 stop
$289Delta
Find Deal
Sat, Nov 1 - Sun, Nov 23
American Airlines Logo
6:00 am - 2:36 pmATW-SAN
10h 36m2 stops
American Airlines Logo
9:37 am - 9:10 pmSAN-ATW
9h 33m1 stop
$294American Airlines
Find Deal
Wed, Nov 19 - Wed, Dec 3
United Airlines Logo
12:38 pm - 7:52 pmATW-SAN
9h 14m2 stops
United Airlines Logo
11:02 am - 9:33 pmSAN-ATW
8h 31m2 stops
$299United Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
American Airlines Logo
6:13 pm - 9:59 amATW-SAN
17h 46m1 stop
American Airlines Logo
6:16 am - 11:43 pmSAN-ATW
15h 27m1 stop
$301American Airlines
Find Deal
Sat, Oct 18 - Mon, Oct 20
United Airlines Logo
8:20 am - 3:50 pmATW-SAN
9h 30m1 stop
United Airlines Logo
6:48 am - 4:49 pmSAN-ATW
8h 01m1 stop
$310United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
6:30 am - 10:59 amATW-SAN
6h 29m1 stop
Delta Logo
6:15 am - 4:42 pmSAN-ATW
8h 27m1 stop
$314Delta
Find Deal
Tue, Feb 10 - Sun, Feb 15
American Airlines Logo
9:53 am - 7:23 pmATW-SAN
11h 30m1 stop
American Airlines Logo
3:01 pm - 10:16 amSAN-ATW
17h 15m1 stop
$321American Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
United Airlines Logo
8:15 am - 3:00 pmATW-SAN
8h 45m2 stops
United Airlines Logo
11:02 am - 9:00 pmSAN-ATW
7h 58m2 stops
$324United Airlines
Find Deal
Tue, Nov 18 - Wed, Dec 3
Delta Logo
4:17 pm - 8:34 pmATW-SAN
6h 17m1 stop
Delta Logo
11:00 am - 9:35 pmSAN-ATW
8h 35m1 stop
$333Delta
Find Deal
Fri, Oct 31 - Fri, Nov 7
United Airlines Logo
12:37 pm - 6:30 pmATW-SAN
7h 53m1 stop
United Airlines Logo
6:48 am - 4:49 pmSAN-ATW
8h 01m1 stop
$339United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4

Delta flights from Appleton to San Diego

Our best Delta deals on Appleton to San Diego flight tickets
Delta
Nov 1
ATW11:11 amAppleton Intl
8h 49m
1 stop
SAN6:00 pmSan Diego
Nov 23
SAN7:20 amSan Diego
8h 02m
1 stop
ATW5:22 pmAppleton Intl
$289
Find similar
Delta
Feb 10
ATW6:30 amAppleton Intl
6h 29m
1 stop
SAN10:59 amSan Diego
Feb 15
SAN6:15 amSan Diego
8h 27m
1 stop
ATW4:42 pmAppleton Intl
$314
Find similar
Delta
Oct 31
ATW4:17 pmAppleton Intl
6h 17m
1 stop
SAN8:34 pmSan Diego
Nov 7
SAN11:00 amSan Diego
8h 35m
1 stop
ATW9:35 pmAppleton Intl
$333
Find similar

American Airlines flights from Appleton to San Diego

Our best American Airlines deals on Appleton to San Diego flight tickets
American Airlines
Nov 19
ATW6:00 amAppleton Intl
10h 36m
2 stops
SAN2:36 pmSan Diego
Dec 3
SAN9:37 amSan Diego
9h 33m
1 stop
ATW9:10 pmAppleton Intl
$294
Find similar
American Airlines
Oct 18
ATW6:13 pmAppleton Intl
17h 46m
1 stop
SAN9:59 amSan Diego
Oct 20
SAN6:16 amSan Diego
15h 27m
1 stop
ATW11:43 pmAppleton Intl
$301
Find similar
American Airlines
Oct 29
ATW9:53 amAppleton Intl
11h 30m
1 stop
SAN7:23 pmSan Diego
Nov 1
SAN3:01 pmSan Diego
17h 15m
1 stop
ATW10:16 amAppleton Intl
$321
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Appleton 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Appleton to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 11/1

11:11 am-6:00 pm

1 stop8h 49m

San Diego

Sun 11/23

7:20 am-5:22 pm

1 stop8h 02m

$289

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 11/19

6:00 am-2:36 pm

2 stops10h 36m

San Diego

Wed 12/3

9:37 am-9:10 pm

1 stop9h 33m

$294

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 10/29

12:38 pm-7:52 pm

2 stops9h 14m

San Diego

Sat 11/1

11:02 am-9:33 pm

2 stops8h 31m

$299

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 10/18

6:13 pm-9:59 am

1 stop17h 46m

San Diego

Mon 10/20

6:16 am-11:43 pm

1 stop15h 27m

$301

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 10/14

8:20 am-3:50 pm

1 stop9h 30m

San Diego

Tue 10/21

6:48 am-4:49 pm

1 stop8h 01m

$310

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 2/10

6:30 am-10:59 am

1 stop6h 29m

San Diego

Sun 2/15

6:15 am-4:42 pm

1 stop8h 27m

$314

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 10/29

9:53 am-7:23 pm

1 stop11h 30m

San Diego

Sat 11/1

3:01 pm-10:16 am

1 stop17h 15m

$321

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 11/18

8:15 am-3:00 pm

2 stops8h 45m

San Diego

Wed 12/3

11:02 am-9:00 pm

2 stops7h 58m

$324

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Fri 10/31

4:17 pm-8:34 pm

1 stop6h 17m

San Diego

Fri 11/7

11:00 am-9:35 pm

1 stop8h 35m

$333

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 9/30

12:37 pm-6:30 pm

1 stop7h 53m

San Diego

Sat 10/4

6:48 am-4:49 pm

1 stop8h 01m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Appleton to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of September, then departing from Appleton during the month October is also very affordable. Most momondo users find prices during this month for around $345.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Appleton to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $377. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $526. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $384. Flights in the morning are often more expensive with an average ticket price of $427.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Appleton when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $420 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Appleton for as low as $328 on momondo.

How have Appleton to San Diego flight prices changed over time?

As of September 2025, prices for Appleton to San Diego flights are approximately 53% cheaper when compared to flights at the same time last year.

When to book flights from Appleton to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Appleton to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Appleton to San Diego (ATW to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Appleton to San Diego

Direct flights

None
There are no direct flights from Appleton to San Diego. There are no popular flight routes from Appleton to San Diego.
Search flight deals

  • How far is Appleton Intl to San Diego by plane?

    The straight-line distance from Appleton Intl to San Diego is 1733.4 mi. 6h 17m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Appleton Intl Airport to San Diego Airport?

    Prices for flights from Appleton Intl Airport to San Diego Airport refresh daily.

  • How many operators does momondo search for flights from Appleton Intl Airport to San Diego Airport?

  • How old do you have to be to fly from Appleton Intl Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Appleton Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Appleton to San Diego?

Best airlines flying from Appleton to San Diego

Compare and see reviews for airlines that fly from Appleton to San Diego with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $251Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $282Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
La Mesa
National City
Poway
Imperial Beach
San Ysidro
Borrego Springs
Lemon Grove
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Appleton to San Diego?

It is quick and easy to find Appleton to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Appleton to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Appleton to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from Appleton to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Appleton to San Diego.

I’m not ready to book a flight from Appleton to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Appleton to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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