Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Appleton to San Diego from $149

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 4/4. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Appleton to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:24 pm - 8:45 pm
ATW
-
SAN
6h 21m
1 stop
Delta Logo
6:25 am - 3:38 pm
SAN
-
ATW
7h 13m
1 stop
$279Delta
Wed, Apr 8 - Tue, Apr 14
Delta Logo
4:24 pm - 11:40 pm
ATW
-
SAN
9h 16m
1 stop
Delta Logo
6:25 am - 3:38 pm
SAN
-
ATW
7h 13m
1 stop
$289Delta
Fri, Apr 10 - Sat, Apr 18
United Airlines Logo
5:30 pm - 10:59 pm
ATW
-
SAN
7h 29m
1 stop
United Airlines Logo
1:59 pm - 10:50 pm
SAN
-
ATW
6h 51m
1 stop
$304United Airlines
Mon, Apr 27 - Sat, May 2
United Airlines Logo
5:30 pm - 10:59 pm
ATW
-
SAN
7h 29m
1 stop
United Airlines Logo
6:20 am - 4:48 pm
SAN
-
ATW
8h 28m
2 stops
$306United Airlines
Wed, Apr 8 - Wed, Apr 15
Delta Logo
5:30 am - 11:23 am
ATW
-
SAN
7h 53m
1 stop
Delta Logo
3:20 pm - 10:54 pm
SAN
-
ATW
5h 34m
1 stop
$309Delta
Wed, May 27 - Sat, May 30
United Airlines Logo
12:33 pm - 8:14 pm
ATW
-
SAN
9h 41m
2 stops
United Airlines Logo
2:14 pm - 11:05 pm
SAN
-
ATW
6h 51m
1 stop
$314United Airlines
Tue, May 12 - Sat, May 16
United Airlines Logo
5:30 pm - 10:59 pm
ATW
-
SAN
7h 29m
1 stop
United Airlines Logo
2:10 pm - 10:48 pm
SAN
-
ATW
6h 38m
1 stop
$318United Airlines
Thu, Apr 9 - Thu, Apr 16
Delta Logo
6:30 am - 1:37 pm
ATW
-
SAN
9h 07m
1 stop
Delta Logo
6:25 am - 3:38 pm
SAN
-
ATW
7h 13m
1 stop
$319Delta
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
9:00 am - 7:21 am
ATW
-
SAN
24h 21m
1 stop
Multiple Airlines Logo
6:25 am - 9:18 pm
SAN
-
ATW
12h 53m
2 stops
$320Multiple Airlines
Sat, Apr 11 - Fri, Apr 17
Multiple Airlines Logo
2:32 pm - 3:01 pm
ATW
-
SAN
26h 29m
1 stop
Multiple Airlines Logo
2:12 pm - 10:17 pm
SAN
-
ATW
30h 05m
2 stops
$325Multiple Airlines
Fri, Apr 10 - Wed, Apr 15

Delta flights from Appleton to San Diego

Our best Delta deals on Appleton to San Diego flight tickets
Delta
Apr 8
ATW4:24 pmAppleton Intl
6h 21m
1 stop
SAN8:45 pmSan Diego
Apr 14
SAN6:25 amSan Diego
7h 13m
1 stop
ATW3:38 pmAppleton Intl
$279
Delta
Apr 10
ATW4:24 pmAppleton Intl
9h 16m
1 stop
SAN11:40 pmSan Diego
Apr 18
SAN6:25 amSan Diego
7h 13m
1 stop
ATW3:38 pmAppleton Intl
$289
Delta
May 27
ATW5:30 amAppleton Intl
7h 53m
1 stop
SAN11:23 amSan Diego
May 30
SAN3:20 pmSan Diego
5h 34m
1 stop
ATW10:54 pmAppleton Intl
$309

United Airlines flights from Appleton to San Diego

Our best United Airlines deals on Appleton to San Diego flight tickets
United Airlines
Apr 27
ATW5:30 pmAppleton Intl
7h 29m
1 stop
SAN10:59 pmSan Diego
May 2
SAN1:59 pmSan Diego
6h 51m
1 stop
ATW10:50 pmAppleton Intl
$304
United Airlines
May 27
ATW12:24 pmAppleton Intl
9h 27m
2 stops
SAN7:51 pmSan Diego
May 30
SAN1:53 pmSan Diego
6h 52m
1 stop
ATW10:45 pmAppleton Intl
$314
United Airlines
Apr 9
ATW5:30 pmAppleton Intl
7h 29m
1 stop
SAN10:59 pmSan Diego
Apr 16
SAN2:10 pmSan Diego
6h 38m
1 stop
ATW10:48 pmAppleton Intl
$318

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 February 27, 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

Wed 4/8

4:24 pm-8:45 pm

1 stop6h 21m

San Diego

Tue 4/14

6:25 am-3:38 pm

1 stop7h 13m

$279

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Fri 4/10

4:24 pm-11:40 pm

1 stop9h 16m

San Diego

Sat 4/18

6:25 am-3:38 pm

1 stop7h 13m

$289

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Mon 4/27

5:30 pm-10:59 pm

1 stop7h 29m

San Diego

Sat 5/2

1:59 pm-10:50 pm

1 stop6h 51m

$304

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 4/8

5:30 pm-10:59 pm

1 stop7h 29m

San Diego

Wed 4/15

6:20 am-4:48 pm

2 stops8h 28m

$306

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Wed 5/27

5:30 am-11:23 am

1 stop7h 53m

San Diego

Sat 5/30

3:20 pm-10:54 pm

1 stop5h 34m

$309

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 5/12

12:33 pm-8:14 pm

2 stops9h 41m

San Diego

Sat 5/16

2:14 pm-11:05 pm

1 stop6h 51m

$314

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Thu 4/9

5:30 pm-10:59 pm

1 stop7h 29m

San Diego

Thu 4/16

2:10 pm-10:48 pm

1 stop6h 38m

$318

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 4/7

6:30 am-1:37 pm

1 stop9h 07m

San Diego

Tue 4/14

6:25 am-3:38 pm

1 stop7h 13m

$319

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Sat 4/11

9:00 am-7:21 am

1 stop24h 21m

San Diego

Fri 4/17

6:25 am-9:18 pm

2 stops12h 53m

$320

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Fri 4/10

2:32 pm-3:01 pm

1 stop26h 29m

San Diego

Wed 4/15

2:12 pm-10:17 pm

2 stops30h 05m

$325

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 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 $354.

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 $418 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 $339 on momondo.

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

As of February 2026, prices for Appleton to San Diego flights are approximately 59% cheaper 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 26m

Direct flights

None
The fastest flight from Appleton to San Diego takes 6h 26m
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 26m 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 $264Free CancellationRating
7.1
11,367 reviews
Search American Airlines flights
DeltaPriceFrom $279Free CancellationRating
7.9
8,245 reviews
Search Delta flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,363 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
San Ysidro
Borrego Springs
La Mesa
Alpine
Lemon Grove
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.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 3/29
Sun 4/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States