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Delaware

$51+ Cheap flights from Austin (AUS) to Delaware

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — ILG
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Austin to Delaware

Cheapest flights from Austin to Delaware
Explore the most affordable flight options available from Austin to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/211:59 am
AUS
-
PHL
2 stops46h 15m
Frontier
Wed 2/48:25 pm
PHL
-
AUS
1 stop14h 56m
Frontier
Deal found 1/26$220
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:15 am
AUS
-
PHL
3 stops32h 11m
Spirit Airlines
Thu 3/57:46 pm
PHL
-
AUS
2 stops26h 07m
Spirit Airlines
Deal found 1/27$221
This CheapOair deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:15 am
AUS
-
PHL
1 stop11h 37m
Spirit Airlines
Mon 2/165:26 pm
PHL
-
AUS
1 stop28h 27m
Spirit Airlines
Deal found 1/28$222
This CheapOair deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:08 pm
AUS
-
PHL
1 stop11h 08m
Spirit Airlines
Mon 4/136:21 am
PHL
-
AUS
1 stop16h 47m
Spirit Airlines
Deal found 1/27$223
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/65:58 pm
AUS
-
PHL
1 stop16h 20m
Multiple Airlines
Sat 2/79:04 pm
PHL
-
AUS
2 stops14h 30m
Multiple Airlines
Deal found 1/28$226
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/144:27 pm
AUS
-
PHL
1 stop7h 25m
Multiple Airlines
Mon 3/235:28 pm
PHL
-
AUS
1 stop29h 40m
Multiple Airlines
Deal found 1/28$227
This CheapOair deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:09 pm
AUS
-
PHL
1 stop19h 35m
Spirit Airlines
Sun 4/196:15 am
PHL
-
AUS
1 stop29h 59m
Spirit Airlines
Deal found 1/28$228
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/133:30 pm
AUS
-
PHL
1 stop18h 48m
Multiple Airlines
Mon 2/167:18 pm
PHL
-
AUS
2 stops26h 35m
Multiple Airlines
Deal found 1/27$229
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:10 am
AUS
-
PHL
2 stops12h 42m
Spirit Airlines
Mon 3/97:46 pm
PHL
-
AUS
3 stops28h 35m
Spirit Airlines
Deal found 1/27$230
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:15 am
AUS
-
PHL
3 stops32h 11m
Spirit Airlines
Tue 3/39:39 am
PHL
-
AUS
3 stops38h 42m
Spirit Airlines
Deal found 1/27$232
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/45:50 am
AUS
-
PHL
2 stops12h 25m
Multiple Airlines
Sat 2/78:30 am
PHL
-
AUS
1 stop14h 05m
Multiple Airlines
Deal found 1/27$235

Find flight deals from Austin to Delaware

Keep the following information in mind while searching for Austin to Delaware flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$220
(Mytrip)

One-way from

$51
(Expedia)

Popular in

April

Cheapest in

October

Average price

$453
Provider with most accurate pricing for Austin Bergstrom-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Philadelphia flights.
Search Deals
From Austin Bergstrom to Delaware
Search Deals
One-way flight from Austin Bergstrom to Delaware
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Delaware 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Austin to Delaware that are best for you.

Fly from

Austin

Fly to

Delaware

Route

Depart

Return

Price

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 3/26

7:20 am-7:40 pm

1 stop11h 20m

Philadelphia

Sun 3/29

5:05 am-3:15 pm

1 stop11h 10m

$229

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 4/16

7:20 am-11:10 pm

1 stop14h 50m

Philadelphia

Sun 4/19

10:38 pm-11:14 am

2 stops13h 36m

$229

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Fri 5/15

7:20 am-8:44 am

1 stop24h 24m

Philadelphia

Mon 5/18

5:57 pm-9:35 pm

1 stop28h 38m

$236

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 5/7

8:36 pm-7:14 pm

1 stop21h 38m

Philadelphia

Sun 5/10

12:46 pm-7:46 pm

1 stop8h 00m

$245

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 5/7

8:36 pm-7:41 am

1 stop10h 05m

Philadelphia

Sun 5/10

10:38 pm-11:14 am

2 stops13h 36m

$293

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Fri 5/29

12:09 pm-8:44 am

1 stop19h 35m

Philadelphia

Mon 6/1

5:45 am-9:35 pm

2 stops16h 50m

$331

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 6/17

5:16 pm-12:32 am

1 stop6h 16m

Philadelphia

Wed 7/8

12:51 pm-5:29 pm

1 stop5h 38m

$393

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sat 6/20

7:15 am-4:10 pm

1 stop7h 55m

Philadelphia

Sat 6/27

6:20 am-10:10 am

1 stop4h 50m

$393

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 5/5

7:30 am-3:55 pm

2 stops7h 25m

Philadelphia

Tue 5/12

4:00 pm-11:20 pm

1 stop8h 20m

$396

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 3/10

7:15 am-7:52 pm

1 stop11h 37m

$51

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 19 results
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Best time to book a flight from Austin to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Austin with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Austin to Delaware
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Austin to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Austin to Delaware?

    Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly out of when you book flights from Austin to Delaware.

  • How long is the flight from Austin to Delaware?

    Airlines like Spirit Airlines and Frontier fly from Austin to Delaware in about 21h 38m. The time it takes to get you to your destination can typically vary by up to 2h 46m. Airlines will cover a distance of 1428 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Austin to Delaware that include hotel bookings?

    Yes. In addition to deals on Austin to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Delaware?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Delaware.

  • Can I find deals for business class flights from Austin to Delaware?

    Yes. Cheapflights offers flight deals from Austin to Delaware by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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