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Delaware

$155+ Cheap flights from Oakland, CA (OAK) 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ILG
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
1 adult, Economy
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Cheap flight deals from Oakland to Delaware

Cheapest flights from Oakland to Delaware
Explore the most affordable flight options available from Oakland to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.

This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:04 pm
OAK
-
PHL
1 stop9h 55m
Delta
Sat 4/257:15 am
PHL
-
OAK
1 stop7h 38m
Delta
Deal found 2/16$309
This Delta deal was found by Cheapflights users on 2/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:55 am
OAK
-
PHL
2 stops10h 54m
Delta
Wed 3/256:49 pm
PHL
-
OAK
1 stop7h 57m
Delta
Deal found 2/15$314
This Delta deal was found by Cheapflights users on 2/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:55 am
OAK
-
PHL
2 stops10h 54m
Delta
Tue 3/245:18 pm
PHL
-
OAK
2 stops9h 28m
Delta
Deal found 2/15$319
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:55 pm
OAK
-
PHL
1 stop7h 40m
Southwest
Mon 3/97:05 pm
PHL
-
OAK
1 stop8h 05m
Southwest
Deal found 2/12$333
This Delta deal was found by Cheapflights users on 2/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
OAK
-
PHL
1 stop8h 22m
Delta
Mon 5/116:45 pm
PHL
-
OAK
1 stop8h 12m
Delta
Deal found 2/14$334
This Southwest deal was found by Cheapflights users on 2/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:55 pm
OAK
-
PHL
1 stop7h 55m
Southwest
Fri 4/176:00 pm
PHL
-
OAK
1 stop9h 25m
Southwest
Deal found 2/13$349
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:55 am
OAK
-
PHL
1 stop8h 47m
Delta
Fri 4/177:00 am
PHL
-
OAK
1 stop7h 53m
Delta
Deal found 2/12$359
This Southwest deal was found by Cheapflights users on 2/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:50 pm
OAK
-
PHL
2 stops8h 45m
Southwest
Mon 5/116:00 pm
PHL
-
OAK
1 stop9h 25m
Southwest
Deal found 2/14$362
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:04 pm
OAK
-
PHL
1 stop9h 55m
Delta
Fri 4/246:54 pm
PHL
-
OAK
1 stop8h 00m
Delta
Deal found 2/16$373
This Delta deal was found by Cheapflights users on 2/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:40 pm
OAK
-
PHL
1 stop8h 06m
Delta
Sun 3/86:49 pm
PHL
-
OAK
1 stop7h 57m
Delta
Deal found 2/15$374
This CheapOair deal was found by Cheapflights users on 2/16. 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.
Wed 5/271:01 pm
OAK
-
PHL
1 stop13h 34m
Alaska Airlines
Tue 6/24:45 pm
PHL
-
OAK
2 stops22h 22m
Alaska Airlines
Deal found 2/16$376

Find flight deals from Oakland to Delaware

Keep the following information in mind while searching for Oakland to Delaware flight deals. Data was last updated February 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

One-way from

$155
(Delta)

Popular in

December

Cheapest in

March

Average price

$456
Provider with most accurate pricing for San Francisco-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Philadelphia flights.
Search Deals
From Oakland to Delaware
Search Deals
One-way flight from Oakland to Delaware
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland 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 February 16, 2026.
Use the filters below to find and compare flights from Oakland to Delaware that are best for you.

Fly from

Oakland

Fly to

Delaware

Route

Depart

Return

Price

OaklandPhiladelphia

OAK - PHL

OAKPHL

Oakland

Wed 4/8

4:49 pm-5:41 am

1 stop9h 52m

Philadelphia

Mon 4/13

7:00 am-11:53 am

1 stop7h 53m

$309

OaklandPhiladelphia

OAK - PHL

OAKPHL

Oakland

Sun 4/26

5:04 pm-5:59 am

1 stop9h 55m

Philadelphia

Tue 4/28

6:54 pm-11:54 pm

1 stop8h 00m

$309

OaklandPhiladelphia

OAK - PHL

OAKPHL

Oakland

Sun 4/26

5:04 pm-5:59 am

1 stop9h 55m

Philadelphia

Wed 4/29

6:54 pm-11:54 pm

1 stop8h 00m

$309

OaklandPhiladelphia

OAK - PHL

OAKPHL

Oakland

Wed 4/22

5:04 pm-5:59 am

1 stop9h 55m

Philadelphia

Sat 4/25

7:15 am-11:53 am

1 stop7h 38m

$309

OaklandPhiladelphia

OAK - PHL

OAKPHL

Oakland

Wed 4/22

5:55 am-5:42 pm

1 stop8h 47m

Philadelphia

Wed 4/29

6:54 pm-11:54 pm

1 stop8h 00m

$309

OaklandPhiladelphia

OAK - PHL

OAKPHL

Oakland

Fri 5/8

6:00 am-5:22 pm

1 stop8h 22m

Philadelphia

Mon 5/11

6:45 pm-11:57 pm

1 stop8h 12m

$309

OaklandPhiladelphia

OAK - PHL

OAKPHL

Oakland

Wed 4/22

5:04 pm-5:59 am

1 stop9h 55m

Philadelphia

Tue 4/28

7:15 am-11:53 am

1 stop7h 38m

$309

OaklandPhiladelphia

OAK - PHL

OAKPHL

Oakland

Tue 4/28

5:04 pm-5:59 am

1 stop9h 55m

Philadelphia

Thu 4/30

6:54 pm-11:54 pm

1 stop8h 00m

$309

OaklandPhiladelphia

OAK - PHL

OAKPHL

Oakland

Thu 4/9

5:55 am-5:38 pm

1 stop8h 43m

Philadelphia

Tue 4/14

7:15 am-11:53 am

1 stop7h 38m

$309

OaklandPhiladelphia

OAK - PHL

OAKPHL

Oakland

Mon 4/27

5:04 pm-5:59 am

1 stop9h 55m

Philadelphia

Tue 4/28

6:54 pm-11:54 pm

1 stop8h 00m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 21 results
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Best time to book a flight from Oakland to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Oakland 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 Oakland 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 Oakland 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 Oakland to Delaware?

    Located just 7.0 mi from the city center, Oakland (OAK) is the airport most travelers will use when flying to Delaware from Oakland.

  • How long is the flight from Oakland, California to Delaware?

    Delta can get you from Oakland, California to Delaware in just under 9h 52m. Your travel time can differ by up to . Airlines will cover a distance of 2503 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oakland 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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Alternative routes for Oakland to Delaware

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