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Cheap flights from Appleton to San Diego from $163

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 8/10. 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
6:25 am - 11:07 pm
SAN
-
ATW
14h 42m
1 stop
$289Multiple Airlines
Fri, Oct 30 - Mon, Nov 2
Multiple Airlines Logo
1:27 pm - 11:59 pm
ATW
-
SAN
12h 32m
1 stop
Multiple Airlines Logo
9:57 am - 7:24 pm
SAN
-
ATW
31h 27m
2 stops
$290Multiple Airlines
Mon, Sep 14 - Tue, Sep 29
Multiple Airlines Logo
5:29 pm - 11:59 pm
ATW
-
SAN
8h 30m
1 stop
Multiple Airlines Logo
8:32 pm - 11:07 pm
SAN
-
ATW
24h 35m
1 stop
$300Multiple Airlines
Mon, Oct 26 - Thu, Oct 29
Multiple Airlines Logo
2:24 pm - 8:06 pm
ATW
-
SAN
7h 42m
1 stop
Multiple Airlines Logo
4:28 pm - 4:44 pm
SAN
-
ATW
46h 16m
2 stops
$309Multiple Airlines
Sat, Aug 1 - Thu, Aug 6
Multiple Airlines Logo
2:24 pm - 8:06 pm
ATW
-
SAN
7h 42m
1 stop
Multiple Airlines Logo
4:28 pm - 4:44 pm
SAN
-
ATW
46h 16m
2 stops
$310Multiple Airlines
Sat, Aug 1 - Thu, Aug 6
Delta Logo
7:00 am - 2:11 pm
ATW
-
SAN
9h 11m
1 stop
Delta Logo
6:20 am - 4:41 pm
SAN
-
ATW
8h 21m
1 stop
$313Delta
Sat, Dec 5 - Wed, Dec 9
Multiple Airlines Logo
1:27 pm - 11:59 pm
ATW
-
SAN
12h 32m
1 stop
Multiple Airlines Logo
10:36 am - 11:07 pm
SAN
-
ATW
10h 31m
1 stop
$317Multiple Airlines
Mon, Sep 14 - Fri, Oct 2
United Airlines Logo
8:45 am - 5:28 pm
ATW
-
SAN
10h 43m
2 stops
United Airlines Logo
12:37 pm - 9:08 pm
SAN
-
ATW
6h 31m
1 stop
$318United Airlines
Tue, Sep 15 - Tue, Sep 29
United Airlines Logo
1:10 pm - 6:37 pm
ATW
-
SAN
7h 27m
1 stop
United Airlines Logo
11:20 am - 8:54 pm
SAN
-
ATW
7h 34m
1 stop
$323United Airlines
Sat, Dec 5 - Wed, Dec 9
Multiple Airlines Logo
2:24 pm - 8:06 pm
ATW
-
SAN
7h 42m
1 stop
Multiple Airlines Logo
4:28 pm - 4:44 pm
SAN
-
ATW
46h 16m
2 stops
$329Multiple Airlines
Sat, Aug 1 - Thu, Aug 6

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American Airlines flights from Appleton to San Diego

Our best American Airlines deals on Appleton to San Diego flight tickets
American Airlines
Aug 10
ATW5:52 pmAppleton Intl
7h 55m
1 stop
SAN11:47 pmSan Diego
Aug 11
SAN1:11 pmSan Diego
8h 59m
1 stop
ATW12:10 amAppleton Intl
$362
American Airlines
Sep 23
ATW6:31 pmAppleton Intl
6h 54m
1 stop
SAN11:25 pmSan Diego
Sep 26
SAN7:27 amSan Diego
8h 34m
1 stop
ATW6:01 pmAppleton Intl
$365
American Airlines
Aug 11
ATW5:42 amAppleton Intl
8h 39m
1 stop
SAN12:21 pmSan Diego
Aug 15
SAN1:38 pmSan Diego
7h 04m
1 stop
ATW10:42 pmAppleton Intl
$388

United Airlines flights from Appleton to San Diego

Our best United Airlines deals on Appleton to San Diego flight tickets
United Airlines
Sep 15
ATW8:45 amAppleton Intl
10h 43m
2 stops
SAN5:28 pmSan Diego
Sep 29
SAN12:37 pmSan Diego
6h 31m
1 stop
ATW9:08 pmAppleton Intl
$318
United Airlines
Dec 5
ATW1:10 pmAppleton Intl
7h 27m
1 stop
SAN6:37 pmSan Diego
Dec 9
SAN11:20 amSan Diego
7h 34m
1 stop
ATW8:54 pmAppleton Intl
$323
United Airlines
Dec 5
ATW1:10 pmAppleton Intl
8h 39m
2 stops
SAN7:49 pmSan Diego
Dec 9
SAN11:20 amSan Diego
7h 34m
1 stop
ATW8:54 pmAppleton Intl
$345

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 June 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

Fri 10/30

5:29 pm-3:41 pm

1 stop24h 12m

San Diego

Mon 11/2

6:25 am-11:07 pm

1 stop14h 42m

$289

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 9/14

1:27 pm-11:59 pm

1 stop12h 32m

San Diego

Tue 9/29

9:57 am-7:24 pm

2 stops31h 27m

$290

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 10/26

5:29 pm-11:59 pm

1 stop8h 30m

San Diego

Thu 10/29

8:32 pm-11:07 pm

1 stop24h 35m

$300

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 8/1

2:24 pm-8:06 pm

1 stop7h 42m

San Diego

Thu 8/6

4:28 pm-4:44 pm

2 stops46h 16m

$309

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 8/1

2:24 pm-8:06 pm

1 stop7h 42m

San Diego

Thu 8/6

4:28 pm-4:44 pm

2 stops46h 16m

$310

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 12/5

7:00 am-2:11 pm

1 stop9h 11m

San Diego

Wed 12/9

6:20 am-4:41 pm

1 stop8h 21m

$313

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 9/14

1:27 pm-11:59 pm

1 stop12h 32m

San Diego

Fri 10/2

10:36 am-11:07 pm

1 stop10h 31m

$317

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 9/15

8:45 am-5:28 pm

2 stops10h 43m

San Diego

Tue 9/29

12:37 pm-9:08 pm

1 stop6h 31m

$318
Quickest round-trip

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 12/5

1:10 pm-6:37 pm

1 stop7h 27m

San Diego

Wed 12/9

11:20 am-8:54 pm

1 stop7h 34m

$323

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 8/1

2:24 pm-8:06 pm

1 stop7h 42m

San Diego

Thu 8/6

4:28 pm-4:44 pm

2 stops46h 16m

$329

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 April is also very affordable. Most momondo users find prices during this month for around $348.

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 $417 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 $335 on momondo.

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

As of June 2026, prices for Appleton to San Diego flights are approximately 9% 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

5h 56m

Direct flights

None
The fastest flight from Appleton to San Diego takes 5h 56m
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. 5h 56m 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
9,815 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.1
11,649 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.9
8,406 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
Poway
La Mesa
San Ysidro
Borrego Springs
Imperial Beach
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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