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Cheap flights from Appleton to San Diego from $108

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 9/1. 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

Logo
2:45 pm - 7:29 amATW-SAN
18h 44m2 stops
Logo
6:15 am - 2:53 pmSAN-ATW
6h 38m1 stop
$271
Find Deal
Sun, Sep 28 - Fri, Oct 3
American Airlines Logo
6:01 am - 3:25 pmATW-SAN
11h 24m2 stops
American Airlines Logo
2:55 pm - 11:37 pmSAN-ATW
6h 42m1 stop
$287American Airlines
Find Deal
Sat, Aug 30 - Mon, Sep 8
Delta Logo
6:20 am - 12:46 pmATW-SAN
8h 26m1 stop
Delta Logo
12:07 pm - 10:40 pmSAN-ATW
8h 33m1 stop
$289Delta
Find Deal
Thu, Sep 11 - Tue, Sep 16
Logo
2:45 pm - 12:40 pmATW-SAN
23h 55m3 stops
Logo
6:15 am - 2:53 pmSAN-ATW
6h 38m1 stop
$290
Find Deal
Sun, Sep 28 - Fri, Oct 3
American Airlines Logo
9:53 am - 6:04 pmATW-SAN
10h 11m2 stops
American Airlines Logo
1:23 pm - 11:33 pmSAN-ATW
8h 10m1 stop
$294American Airlines
Find Deal
Sat, Nov 1 - Mon, Nov 24
American Airlines Logo
6:00 am - 2:30 pmATW-SAN
10h 30m2 stops
American Airlines Logo
9:45 am - 9:32 pmSAN-ATW
9h 47m2 stops
$299American Airlines
Find Deal
Wed, Sep 10 - Sat, Sep 13
Logo
2:45 pm - 12:40 pmATW-SAN
23h 55m3 stops
Logo
6:15 am - 11:12 pmSAN-ATW
14h 57m2 stops
$311
Find Deal
Sun, Sep 28 - Fri, Oct 3
Delta Logo
5:34 am - 12:28 pmATW-SAN
8h 54m1 stop
Delta Logo
10:40 pm - 10:28 amSAN-ATW
9h 48m1 stop
$314Delta
Find Deal
Mon, Sep 1 - Mon, Sep 8
United Airlines Logo
6:41 am - 1:40 pmATW-SAN
8h 59m2 stops
United Airlines Logo
12:52 pm - 9:08 pmSAN-ATW
6h 16m1 stop
$328United Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 6
United Airlines Logo
6:41 am - 1:40 pmATW-SAN
8h 59m2 stops
United Airlines Logo
10:54 am - 9:08 pmSAN-ATW
8h 14m2 stops
$359United Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 6

Delta flights from Appleton to San Diego

Our best Delta deals on Appleton to San Diego flight tickets
Delta
Sep 11
ATW6:20 amAppleton Intl
8h 26m
1 stop
SAN12:46 pmSan Diego
Sep 16
SAN12:07 pmSan Diego
8h 33m
1 stop
ATW10:40 pmAppleton Intl
$289
Find similar
Delta
Sep 1
ATW5:34 amAppleton Intl
8h 54m
1 stop
SAN12:28 pmSan Diego
Sep 8
SAN10:40 pmSan Diego
9h 48m
1 stop
ATW10:28 amAppleton Intl
$314
Find similar
Delta
Sep 1
ATW5:34 amAppleton Intl
8h 54m
1 stop
SAN12:28 pmSan Diego
Sep 7
SAN6:15 amSan Diego
9h 15m
1 stop
ATW5:30 pmAppleton Intl
$386
Find similar

American Airlines flights from Appleton to San Diego

Our best American Airlines deals on Appleton to San Diego flight tickets
American Airlines
Aug 30
ATW6:01 amAppleton Intl
11h 24m
2 stops
SAN3:25 pmSan Diego
Sep 8
SAN2:55 pmSan Diego
6h 42m
1 stop
ATW11:37 pmAppleton Intl
$287
Find similar
American Airlines
Nov 1
ATW9:53 amAppleton Intl
10h 11m
2 stops
SAN6:04 pmSan Diego
Nov 24
SAN1:23 pmSan Diego
8h 10m
1 stop
ATW11:33 pmAppleton Intl
$294
Find similar
American Airlines
Sep 10
ATW6:00 amAppleton Intl
10h 30m
2 stops
SAN2:30 pmSan Diego
Sep 13
SAN9:45 amSan Diego
9h 47m
2 stops
ATW9:32 pmAppleton Intl
$299
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 July 31, 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

Sun 9/28

2:45 pm-7:29 am

2 stops18h 44m

San Diego

Fri 10/3

6:15 am-2:53 pm

1 stop6h 38m

$271

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 8/30

6:01 am-3:25 pm

2 stops11h 24m

San Diego

Mon 9/8

2:55 pm-11:37 pm

1 stop6h 42m

$287

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Thu 9/11

6:20 am-12:46 pm

1 stop8h 26m

San Diego

Tue 9/16

12:07 pm-10:40 pm

1 stop8h 33m

$289

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sun 9/28

2:45 pm-12:40 pm

3 stops23h 55m

San Diego

Fri 10/3

6:15 am-2:53 pm

1 stop6h 38m

$290

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 11/1

9:53 am-6:04 pm

2 stops10h 11m

San Diego

Mon 11/24

1:23 pm-11:33 pm

1 stop8h 10m

$294

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 9/10

6:00 am-2:30 pm

2 stops10h 30m

San Diego

Sat 9/13

9:45 am-9:32 pm

2 stops9h 47m

$299

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sun 9/28

2:45 pm-12:40 pm

3 stops23h 55m

San Diego

Fri 10/3

6:15 am-11:12 pm

2 stops14h 57m

$311

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 9/1

5:34 am-12:28 pm

1 stop8h 54m

San Diego

Mon 9/8

10:40 pm-10:28 am

1 stop9h 48m

$314

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 9/3

6:41 am-1:40 pm

2 stops8h 59m

San Diego

Sat 9/6

12:52 pm-9:08 pm

1 stop6h 16m

$328

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 9/3

6:41 am-1:40 pm

2 stops8h 59m

San Diego

Sat 9/6

10:54 am-9:08 pm

2 stops8h 14m

$359

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 October, then departing from Appleton during the month September is also very affordable. Most momondo users find prices during this month for around $336.

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 $410 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 $332 on momondo.

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

As of July 2025, prices for Appleton to San Diego flights are approximately 7% 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

Best Price Found

$108

Fastest flight time

6h 18m

Direct flights

None

Airports in San Diego

1 airport
The best one-way flight to San Diego from Appleton in the past 72 hours is $108. The best round-trip flight deal from Appleton to San Diego found on momondo in the last 72 hours is $271.
The fastest flight from Appleton to San Diego takes 6h 18m
There are no direct flights from Appleton to San Diego. Popular non-direct route for this connection is Appleton Intl Airport - San Diego Airport.
There is 1 airport near San Diego: San Diego (SAN)
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 18m 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 $241Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $276Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,900 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
La Mesa
Imperial Beach
San Ysidro
Poway
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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