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Cheap flights from Appleton to San Diego from $122

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 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Appleton to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 9:12 pm
ATW
-
SAN
16h 12m
1 stop
Multiple Airlines Logo
1:38 pm - 10:44 pm
SAN
-
ATW
31h 06m
2 stops
$289Multiple Airlines
Wed, May 27 - Thu, Jun 4
Multiple Airlines Logo
7:00 am - 9:12 pm
ATW
-
SAN
16h 12m
1 stop
Multiple Airlines Logo
10:07 pm - 4:44 pm
SAN
-
ATW
40h 37m
2 stops
$290Multiple Airlines
Wed, May 27 - Mon, Jun 1
Multiple Airlines Logo
7:00 am - 9:12 pm
ATW
-
SAN
16h 12m
1 stop
Multiple Airlines Logo
10:07 pm - 3:11 pm
SAN
-
ATW
15h 04m
1 stop
$304Multiple Airlines
Wed, May 27 - Tue, Jun 2
American Airlines Logo
4:06 pm - 11:39 pm
ATW
-
SAN
9h 33m
1 stop
American Airlines Logo
10:45 pm - 10:28 am
SAN
-
ATW
9h 43m
1 stop
$313American Airlines
Sat, May 23 - Sat, May 30
American Airlines Logo
1:20 pm - 10:00 pm
ATW
-
SAN
10h 40m
2 stops
American Airlines Logo
10:45 pm - 10:28 am
SAN
-
ATW
9h 43m
1 stop
$318American Airlines
Sat, May 16 - Sat, May 30
American Airlines Logo
12:39 pm - 8:07 pm
ATW
-
SAN
9h 28m
1 stop
American Airlines Logo
10:45 pm - 10:28 am
SAN
-
ATW
9h 43m
1 stop
$323American Airlines
Tue, Jun 9 - Sat, Jun 13
Multiple Airlines Logo
2:32 pm - 5:59 pm
ATW
-
SAN
29h 27m
1 stop
Multiple Airlines Logo
6:25 am - 10:03 pm
SAN
-
ATW
13h 38m
2 stops
$327Multiple Airlines
Fri, May 8 - Fri, May 15
American Airlines Logo
12:39 pm - 7:33 pm
ATW
-
SAN
8h 54m
2 stops
American Airlines Logo
2:52 pm - 11:27 pm
SAN
-
ATW
6h 35m
1 stop
$328American Airlines
Sat, Aug 15 - Sat, Aug 22
United Airlines Logo
6:20 am - 11:21 am
ATW
-
SAN
7h 01m
1 stop
United Airlines Logo
10:55 am - 10:45 pm
SAN
-
ATW
9h 50m
2 stops
$335United Airlines
Sat, May 30 - Sat, Jun 6
American Airlines Logo
12:39 pm - 7:33 pm
ATW
-
SAN
8h 54m
2 stops
American Airlines Logo
1:45 pm - 10:44 pm
SAN
-
ATW
6h 59m
1 stop
$338American Airlines
Sat, Aug 15 - Sat, Aug 22

Delta flights from Appleton to San Diego

Our best Delta deals on Appleton to San Diego flight tickets
Delta
Aug 28
ATW1:26 pmAppleton Intl
6h 57m
1 stop
SAN6:23 pmSan Diego
Sep 1
SAN6:15 amSan Diego
8h 22m
1 stop
ATW4:37 pmAppleton Intl
$341
Delta
May 25
ATW6:25 amAppleton Intl
6h 12m
1 stop
SAN10:37 amSan Diego
Jun 3
SAN3:30 pmSan Diego
5h 24m
1 stop
ATW10:54 pmAppleton Intl
$355
Delta
Jul 3
ATW4:16 pmAppleton Intl
6h 39m
1 stop
SAN8:55 pmSan Diego
Jul 8
SAN6:15 amSan Diego
9h 26m
1 stop
ATW5:41 pmAppleton Intl
$361

United Airlines flights from Appleton to San Diego

Our best United Airlines deals on Appleton to San Diego flight tickets
United Airlines
May 30
ATW6:20 amAppleton Intl
7h 01m
1 stop
SAN11:21 amSan Diego
Jun 6
SAN10:55 amSan Diego
9h 50m
2 stops
ATW10:45 pmAppleton Intl
$335
United Airlines
May 23
ATW6:20 amAppleton Intl
7h 01m
1 stop
SAN11:21 amSan Diego
May 30
SAN10:55 amSan Diego
9h 50m
2 stops
ATW10:45 pmAppleton Intl
$346
United Airlines
Jul 31
ATW3:47 pmAppleton Intl
10h 07m
2 stops
SAN11:54 pmSan Diego
Aug 4
SAN6:40 amSan Diego
6h 31m
1 stop
ATW3:11 pmAppleton Intl
$363

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 April 13, 2026.
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

Cheapest round-trip

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 5/27

7:00 am-9:12 pm

1 stop16h 12m

San Diego

Thu 6/4

1:38 pm-10:44 pm

2 stops31h 06m

$289

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 5/27

7:00 am-9:12 pm

1 stop16h 12m

San Diego

Mon 6/1

10:07 pm-4:44 pm

2 stops40h 37m

$290

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 5/27

7:00 am-9:12 pm

1 stop16h 12m

San Diego

Tue 6/2

10:07 pm-3:11 pm

1 stop15h 04m

$304

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 5/23

4:06 pm-11:39 pm

1 stop9h 33m

San Diego

Sat 5/30

10:45 pm-10:28 am

1 stop9h 43m

$313

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 5/16

1:20 pm-10:00 pm

2 stops10h 40m

San Diego

Sat 5/30

10:45 pm-10:28 am

1 stop9h 43m

$318

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 6/9

12:39 pm-8:07 pm

1 stop9h 28m

San Diego

Sat 6/13

10:45 pm-10:28 am

1 stop9h 43m

$323

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Fri 5/8

2:32 pm-5:59 pm

1 stop29h 27m

San Diego

Fri 5/15

6:25 am-10:03 pm

2 stops13h 38m

$327
Quickest round-trip

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 8/15

12:39 pm-7:33 pm

2 stops8h 54m

San Diego

Sat 8/22

2:52 pm-11:27 pm

1 stop6h 35m

$328

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 5/30

6:20 am-11:21 am

1 stop7h 01m

San Diego

Sat 6/6

10:55 am-10:45 pm

2 stops9h 50m

$335

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 8/15

12:39 pm-7:33 pm

2 stops8h 54m

San Diego

Sat 8/22

1:45 pm-10:44 pm

1 stop6h 59m

$338

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 typical price of a round-trip flight between Appleton and San Diego?

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 July is also very affordable. Most momondo users find prices during this month for around $315.

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 $407 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 $350 on momondo.

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

As of April 2026, prices for Appleton to San Diego flights are approximately 14% more expensive 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

Fastest flight time

6h 23m

Direct flights

None
The fastest flight from Appleton to San Diego takes 6h 23m
There are no direct flights from Appleton to San Diego. There are no popular flight routes from Appleton to San Diego.
Search flight deals

Frequently asked questions about flying from Appleton to San Diego

  • 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 23m 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
DeltaPriceFrom $282Free CancellationRating
7.9
8,406 reviews
Search Delta flights
American AirlinesPriceFrom $288Free CancellationRating
7.1
11,569 reviews
Search American Airlines flights
United AirlinesPriceFrom $308Free CancellationRating
7.4
9,579 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
National City
Poway
San Ysidro
La Mesa
Imperial Beach
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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