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Cheap flights from Appleton to San Diego from $143

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 1/22. 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
6:00 am - 8:51 am
ATW
-
SAN
28h 51m1 stop
Multiple Airlines Logo
2:56 pm - 2:35 pm
SAN
-
ATW
21h 39m1 stop
$277Multiple Airlines
Sun, Feb 1 - Thu, Feb 5
Multiple Airlines Logo
6:00 am - 8:51 am
ATW
-
SAN
28h 51m1 stop
Multiple Airlines Logo
7:00 am - 2:20 pm
SAN
-
ATW
29h 20m2 stops
$293Multiple Airlines
Sun, Feb 1 - Wed, Feb 4
Multiple Airlines Logo
2:23 pm - 12:08 am
ATW
-
SAN
35h 45m2 stops
Multiple Airlines Logo
2:56 pm - 2:35 pm
SAN
-
ATW
21h 39m1 stop
$297Multiple Airlines
Sun, Feb 1 - Thu, Feb 5
Multiple Airlines Logo
6:15 am - 5:03 pm
ATW
-
SAN
12h 48m2 stops
Multiple Airlines Logo
2:56 pm - 2:35 pm
SAN
-
ATW
21h 39m1 stop
$298Multiple Airlines
Mon, Feb 2 - Thu, Feb 5
Delta Logo
4:20 pm - 8:48 pm
ATW
-
SAN
6h 28m1 stop
Delta Logo
6:15 am - 3:40 pm
SAN
-
ATW
7h 25m1 stop
$309Delta
Fri, Feb 6 - Thu, Feb 12
Multiple Airlines Logo
9:21 am - 1:57 pm
ATW
-
SAN
30h 36m2 stops
Multiple Airlines Logo
2:56 pm - 2:35 pm
SAN
-
ATW
21h 39m1 stop
$312Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
American Airlines Logo
12:39 pm - 8:41 pm
ATW
-
SAN
10h 02m2 stops
American Airlines Logo
4:45 pm - 12:25 am
SAN
-
ATW
5h 40m1 stop
$314American Airlines
Tue, Feb 10 - Sun, Feb 15
American Airlines Logo
7:15 am - 3:03 pm
ATW
-
SAN
9h 48m2 stops
American Airlines Logo
4:45 pm - 12:25 am
SAN
-
ATW
5h 40m1 stop
$315American Airlines
Tue, Feb 10 - Sun, Feb 15
Multiple Airlines Logo
9:21 pm - 1:10 pm
ATW
-
SAN
17h 49m1 stop
Multiple Airlines Logo
9:45 am - 1:51 pm
SAN
-
ATW
26h 06m2 stops
$317Multiple Airlines
Sun, Feb 22 - Wed, Feb 25
Multiple Airlines Logo
6:00 am - 2:01 pm
ATW
-
SAN
10h 01m1 stop
Multiple Airlines Logo
10:34 am - 9:31 pm
SAN
-
ATW
32h 57m2 stops
$318Multiple Airlines
Thu, Jan 29 - Sat, Jan 31

United Airlines flights from Appleton to San Diego

Our best United Airlines deals on Appleton to San Diego flight tickets
United Airlines
Jan 14
ATW2:45 pmAppleton Intl
9h 52m
2 stops
SAN10:37 pmSan Diego
Jan 27
SAN7:00 amSan Diego
6h 04m
1 stop
ATW3:04 pmAppleton Intl
$339
Find similar
United Airlines
Jan 14
ATW2:45 pmAppleton Intl
9h 52m
2 stops
SAN10:37 pmSan Diego
Jan 27
SAN6:30 amSan Diego
8h 18m
2 stops
ATW4:48 pmAppleton Intl
$344
Find similar
United Airlines
Apr 8
ATW2:54 pmAppleton Intl
10h 05m
1 stop
SAN10:59 pmSan Diego
Apr 18
SAN6:32 amSan Diego
10h 30m
2 stops
ATW7:02 pmAppleton Intl
$384
Find similar

Delta flights from Appleton to San Diego

Our best Delta deals on Appleton to San Diego flight tickets
Delta
Feb 6
ATW4:20 pmAppleton Intl
6h 28m
1 stop
SAN8:48 pmSan Diego
Feb 12
SAN6:15 amSan Diego
7h 25m
1 stop
ATW3:40 pmAppleton Intl
$309
Find similar
Delta
Feb 6
ATW4:20 pmAppleton Intl
6h 28m
1 stop
SAN8:48 pmSan Diego
Feb 14
SAN6:25 amSan Diego
9h 20m
1 stop
ATW5:45 pmAppleton Intl
$329
Find similar
Delta
Jan 14
ATW11:03 amAppleton Intl
9h 55m
1 stop
SAN6:58 pmSan Diego
Jan 27
SAN11:43 amSan Diego
7h 06m
1 stop
ATW8:49 pmAppleton Intl
$334
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 January 2, 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

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sun 2/1

6:00 am-8:51 am

1 stop28h 51m

San Diego

Thu 2/5

2:56 pm-2:35 pm

1 stop21h 39m

$277

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sun 2/1

6:00 am-8:51 am

1 stop28h 51m

San Diego

Wed 2/4

7:00 am-2:20 pm

2 stops29h 20m

$293

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sun 2/1

2:23 pm-12:08 am

2 stops35h 45m

San Diego

Thu 2/5

2:56 pm-2:35 pm

1 stop21h 39m

$297

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 2/2

6:15 am-5:03 pm

2 stops12h 48m

San Diego

Thu 2/5

2:56 pm-2:35 pm

1 stop21h 39m

$298

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Fri 2/6

4:20 pm-8:48 pm

1 stop6h 28m

San Diego

Thu 2/12

6:15 am-3:40 pm

1 stop7h 25m

$309

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Thu 1/29

9:21 am-1:57 pm

2 stops30h 36m

San Diego

Thu 2/5

2:56 pm-2:35 pm

1 stop21h 39m

$312

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 2/10

12:39 pm-8:41 pm

2 stops10h 02m

San Diego

Sun 2/15

4:45 pm-12:25 am

1 stop5h 40m

$314

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 2/10

7:15 am-3:03 pm

2 stops9h 48m

San Diego

Sun 2/15

4:45 pm-12:25 am

1 stop5h 40m

$315

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sun 2/22

9:21 pm-1:10 pm

1 stop17h 49m

San Diego

Wed 2/25

9:45 am-1:51 pm

2 stops26h 06m

$317

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Thu 1/29

6:00 am-2:01 pm

1 stop10h 01m

San Diego

Sat 1/31

10:34 am-9:31 pm

2 stops32h 57m

$318

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 July is also very affordable. Most momondo users find prices during this month for around $368.

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 $428 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 $340 on momondo.

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

As of January 2026, prices for Appleton to San Diego flights are approximately 52% 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 16m

Direct flights

None
The fastest flight from Appleton to San Diego takes 6h 16m
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 16m 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 $279Free CancellationRating
7.9
8,021 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.2
11,075 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,132 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
Poway
National City
Imperial Beach
Borrego Springs
San Ysidro
La Mesa
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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