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Cheap flights from Appleton to San Diego from $171

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 8/27. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
5:29 pm - 3:41 pm
ATW
-
SAN
24h 12m
1 stop
Multiple Airlines Logo
7:13 pm - 10:11 pm
SAN
-
ATW
24h 58m
1 stop
$252Multiple Airlines
Mon, Oct 5 - Sun, Oct 11
Multiple Airlines Logo
5:29 pm - 3:41 pm
ATW
-
SAN
24h 12m
1 stop
Multiple Airlines Logo
7:13 pm - 10:11 pm
SAN
-
ATW
24h 58m
1 stop
$262Multiple Airlines
Mon, Oct 5 - Sun, Oct 11
Multiple Airlines Logo
2:20 pm - 9:02 am
ATW
-
SAN
20h 42m
1 stop
Multiple Airlines Logo
7:13 pm - 10:11 pm
SAN
-
ATW
24h 58m
1 stop
$274Multiple Airlines
Fri, Oct 2 - Sun, Oct 11
Multiple Airlines Logo
5:29 pm - 3:41 pm
ATW
-
SAN
24h 12m
1 stop
Multiple Airlines Logo
7:13 pm - 10:11 pm
SAN
-
ATW
24h 58m
1 stop
$277Multiple Airlines
Mon, Oct 5 - Sun, Oct 11
Multiple Airlines Logo
5:29 pm - 3:41 pm
ATW
-
SAN
24h 12m
1 stop
Multiple Airlines Logo
7:13 pm - 10:11 pm
SAN
-
ATW
24h 58m
1 stop
$278Multiple Airlines
Mon, Oct 5 - Sun, Oct 11
Multiple Airlines Logo
5:29 pm - 3:41 pm
ATW
-
SAN
24h 12m
1 stop
Multiple Airlines Logo
6:25 am - 11:37 pm
SAN
-
ATW
15h 12m
1 stop
$281Multiple Airlines
Mon, Oct 5 - Fri, Oct 9
Multiple Airlines Logo
5:29 pm - 3:41 pm
ATW
-
SAN
24h 12m
1 stop
Multiple Airlines Logo
6:25 am - 11:37 pm
SAN
-
ATW
15h 12m
1 stop
$283Multiple Airlines
Mon, Oct 5 - Fri, Oct 9
Multiple Airlines Logo
2:20 pm - 9:02 am
ATW
-
SAN
20h 42m
1 stop
Multiple Airlines Logo
7:13 pm - 10:11 pm
SAN
-
ATW
24h 58m
1 stop
$284Multiple Airlines
Fri, Oct 2 - Sun, Oct 11
Multiple Airlines Logo
1:07 pm - 9:02 am
ATW
-
SAN
21h 55m
1 stop
Multiple Airlines Logo
7:13 pm - 10:11 pm
SAN
-
ATW
24h 58m
1 stop
$287Multiple Airlines
Sun, Oct 4 - Sun, Oct 11
Multiple Airlines Logo
5:29 pm - 3:41 pm
ATW
-
SAN
24h 12m
1 stop
Multiple Airlines Logo
9:43 pm - 3:11 pm
SAN
-
ATW
15h 28m
1 stop
$290Multiple Airlines
Mon, Oct 5 - Thu, Oct 8

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Delta flights from Appleton to San Diego

Our best Delta deals on Appleton to San Diego flight tickets
Delta
Nov 10
ATW5:25 pmAppleton Intl
8h 30m
1 stop
SAN11:55 pmSan Diego
Nov 14
SAN6:20 amSan Diego
8h 21m
1 stop
ATW4:41 pmAppleton Intl
$313
Delta
Sep 12
ATW6:00 amAppleton Intl
6h 44m
1 stop
SAN10:44 amSan Diego
Sep 16
SAN3:20 pmSan Diego
5h 42m
1 stop
ATW11:02 pmAppleton Intl
$323
Delta
Jul 25
ATW7:00 amAppleton Intl
9h 09m
1 stop
SAN2:09 pmSan Diego
Jul 29
SAN3:19 pmSan Diego
5h 37m
1 stop
ATW10:56 pmAppleton Intl
$468

United Airlines flights from Appleton to San Diego

Our best United Airlines deals on Appleton to San Diego flight tickets
United Airlines
Aug 18
ATW12:28 pmAppleton Intl
9h 27m
2 stops
SAN7:55 pmSan Diego
Aug 24
SAN2:15 pmSan Diego
7h 03m
1 stop
ATW11:18 pmAppleton Intl
$336
United Airlines
Sep 12
ATW10:01 amAppleton Intl
9h 09m
2 stops
SAN5:10 pmSan Diego
Sep 16
SAN12:37 pmSan Diego
6h 17m
1 stop
ATW8:54 pmAppleton Intl
$346
United Airlines
Sep 26
ATW12:28 pmAppleton Intl
9h 40m
2 stops
SAN8:08 pmSan Diego
Oct 3
SAN10:55 amSan Diego
8h 13m
1 stop
ATW9:08 pmAppleton Intl
$350

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 July 24, 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

Mon 10/5

5:29 pm-3:41 pm

1 stop24h 12m

San Diego

Sun 10/11

7:13 pm-10:11 pm

1 stop24h 58m

$252

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 10/5

5:29 pm-3:41 pm

1 stop24h 12m

San Diego

Sun 10/11

7:13 pm-10:11 pm

1 stop24h 58m

$262

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Fri 10/2

2:20 pm-9:02 am

1 stop20h 42m

San Diego

Sun 10/11

7:13 pm-10:11 pm

1 stop24h 58m

$274

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 10/5

5:29 pm-3:41 pm

1 stop24h 12m

San Diego

Sun 10/11

7:13 pm-10:11 pm

1 stop24h 58m

$277

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 10/5

5:29 pm-3:41 pm

1 stop24h 12m

San Diego

Sun 10/11

7:13 pm-10:11 pm

1 stop24h 58m

$278
Quickest round-trip

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 10/5

5:29 pm-3:41 pm

1 stop24h 12m

San Diego

Fri 10/9

6:25 am-11:37 pm

1 stop15h 12m

$281

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 10/5

5:29 pm-3:41 pm

1 stop24h 12m

San Diego

Fri 10/9

6:25 am-11:37 pm

1 stop15h 12m

$283

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Fri 10/2

2:20 pm-9:02 am

1 stop20h 42m

San Diego

Sun 10/11

7:13 pm-10:11 pm

1 stop24h 58m

$284

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sun 10/4

1:07 pm-9:02 am

1 stop21h 55m

San Diego

Sun 10/11

7:13 pm-10:11 pm

1 stop24h 58m

$287

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 10/5

5:29 pm-3:41 pm

1 stop24h 12m

San Diego

Thu 10/8

9:43 pm-3:11 pm

1 stop15h 28m

$290

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Prices are currently low for flights on this route.

Typical prices usually range from $354 to $476.
The lowest price recently found on this route was $252.

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of April, then departing from Appleton during the month August is also very affordable. Most momondo users find prices during this month for around $382.

How far in advance should I book a flight from Appleton 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 $445 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 $344 on momondo.

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

As of July 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 06m

Direct flights

None
The fastest flight from Appleton to San Diego takes 6h 06m
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 06m 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
United AirlinesPriceFrom $288Free CancellationRating
7.4
10,026 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.1
11,842 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.8
8,481 reviews
Search Delta flights

Traveling to a place near San Diego?

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

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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