HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Delaware

$151+ Cheap flights from San Francisco (SFO) 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ILG
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Delaware with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Francisco to Delaware

Cheapest flights from San Francisco to Delaware
Explore the most affordable flight options available from San Francisco to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amSFO - PHL
1 stop20h 40mFrontier
Mon 1/58:36 pmPHL - SFO
1 stop24h 48mFrontier
Deal found 12/15$305
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:24 pmSFO - PHL
Nonstop5h 16mAmerican Airlines
Thu 1/86:40 pmPHL - SFO
Nonstop6h 33mAmerican Airlines
Deal found 12/15$311
This CheapOair deal was found by Cheapflights users on 12/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amSFO - PHL
1 stop20h 40mFrontier
Fri 12/198:36 pmPHL - SFO
1 stop30h 48mFrontier
Deal found 12/14$319
This Delta deal was found by Cheapflights users on 12/15. 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.
Thu 12/2512:11 pmSFO - PHL
1 stop9h 16mDelta
Thu 1/812:11 pmPHL - SFO
1 stop10h 38mDelta
Deal found 12/15$331
This CheapOair deal was found by Cheapflights users on 12/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amSFO - PHL
1 stop20h 40mFrontier
Sun 12/215:10 amPHL - SFO
1 stop11h 03mFrontier
Deal found 12/14$334
This Mytrip deal was found by Cheapflights users on 12/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:30 amSFO - PHL
1 stop20h 01mFrontier
Fri 12/198:36 pmPHL - SFO
1 stop30h 48mFrontier
Deal found 12/14$338
This American Airlines deal was found by Cheapflights users on 12/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:00 amSFO - PHL
1 stop9h 34mAmerican Airlines
Thu 1/18:05 amPHL - SFO
Nonstop6h 19mAmerican Airlines
Deal found 12/13$361
This JetBlue deal was found by Cheapflights users on 12/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:54 pmSFO - PHL
1 stop12h 43mJetBlue
Sun 1/44:32 pmPHL - SFO
1 stop9h 58mJetBlue
Deal found 12/15$363
This American Airlines deal was found by Cheapflights users on 12/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:10 amSFO - PHL
Nonstop5h 20mAmerican Airlines
Thu 1/18:05 amPHL - SFO
Nonstop6h 19mAmerican Airlines
Deal found 12/13$369
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:27 amSFO - PHL
1 stop9h 38mAmerican Airlines
Sat 1/178:36 amPHL - SFO
Nonstop6h 36mAmerican Airlines
Deal found 12/15$374
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:24 pmSFO - PHL
Nonstop5h 16mAmerican Airlines
Thu 3/193:42 pmPHL - SFO
Nonstop6h 28mAmerican Airlines
Deal found 12/14$376
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:37 pmSFO - SBY
1 stop20h 02mAmerican Airlines
Sat 1/37:55 amSBY - SFO
1 stop14h 10mAmerican Airlines
Deal found 12/15$1,038

Find flight deals from San Francisco to Delaware

Keep the following information in mind while searching for San Francisco to Delaware flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$151
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$574
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 San Francisco to Delaware
Search Deals
One-way flight from San Francisco to Delaware
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco 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 December 15, 2025.
Use the filters below to find and compare flights from San Francisco to Delaware that are best for you.

Fly from

San Francisco

Fly to

Delaware

Route

Depart

Return

Price

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Mon 2/2

7:40 pm-6:03 pm

1 stop19h 23m

Philadelphia

Tue 2/10

7:06 pm-10:42 am

1 stop18h 36m

$289

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 2/18

1:12 pm-9:33 pm

Nonstop5h 21m

Philadelphia

Sun 2/22

8:35 am-12:06 pm

Nonstop6h 31m

$289

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Sat 1/31

8:00 am-11:09 pm

1 stop12h 09m

Philadelphia

Mon 2/2

1:30 pm-10:59 pm

1 stop12h 29m

$296

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Fri 1/9

1:25 pm-9:52 pm

Nonstop5h 27m

Philadelphia

Mon 1/12

5:00 pm-11:00 pm

1 stop9h 00m

$299

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Sat 1/10

11:59 pm-11:35 am

1 stop8h 36m

Philadelphia

Mon 1/12

8:35 am-12:03 pm

Nonstop6h 28m

$299

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 4/22

5:45 pm-5:23 am

1 stop8h 38m

Philadelphia

Mon 4/27

6:35 pm-9:26 am

1 stop17h 51m

$308

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Sat 1/10

5:45 am-4:28 pm

1 stop7h 43m

Philadelphia

Fri 1/23

7:00 am-12:23 pm

1 stop8h 23m

$309

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Fri 1/30

12:10 pm-11:13 pm

1 stop8h 03m

Philadelphia

Sun 2/1

5:17 pm-11:25 pm

1 stop9h 08m

$309

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Fri 1/30

11:20 pm-9:37 am

1 stop7h 17m

Philadelphia

Sun 2/1

5:50 pm-11:59 pm

1 stop9h 09m

$309

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Tue 1/27

12:43 am-11:35 am

1 stop7h 52m

Philadelphia

Sun 2/1

5:50 pm-11:59 pm

1 stop9h 09m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from San Francisco to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from San Francisco 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 San Francisco to Delaware
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Delaware

Get insights into the airlines that provide service to Delaware. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Delaware. Reviews last updated December 15, 2025.
Read reviews from past customers who have flown American Airlines from San Francisco to Delaware. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,051 reviews

Overall

7.2

Crew

8.0

Food

6.5

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,051 reviews
American Airlines
7.2
Good
11,051 reviews

Overall

7.2

Crew

8.0

Food

6.5

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from San Francisco 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 San Francisco to Delaware?

    For a flight from San Francisco to Delaware, you will be flying from San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city.

  • How long is the flight from San Francisco to Delaware?

    Alaska Airlines, United Airlines, and JetBlue can get you from San Francisco to Delaware in just under 5h 21m. Your travel time can differ by up to 14h 02m. The distance from San Francisco to Delaware is about 2513 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from San Francisco to Delaware one-way?

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $298. However, be on the lookout for offers from Qatar Airways and Royal Jordanian, as they are both options that can get you from San Francisco to Delaware for a low price.

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

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

  • How can I find direct flights from San Francisco to Delaware?

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

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

    Yes. Cheapflights offers flight deals from San Francisco 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
Los Angeles to Seattle flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Honolulu flights
San Francisco to Las Vegas flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to LaGuardia flights
San Francisco to Dallas/Fort Worth flights
San Francisco to Newark flights
San Francisco to Honolulu flights
Los Angeles to Orlando flights
Los Angeles to Miami flights
Los Angeles to Las Vegas flights
San Francisco to Ontario flights
Los Angeles to Fort Lauderdale flights
San Francisco to Los Angeles flights
Ontario to Seattle flights
Los Angeles to O'Hare Intl flights
Los Angeles to San Francisco flights
San Francisco to LaGuardia flights
San Jose to Las Vegas flights
Los Angeles to Boston flights
Burbank to Las Vegas flights
Ontario to San Francisco flights
San Francisco to Seattle flights
Santa Ana to Las Vegas flights
Ontario to Dallas/Fort Worth flights
Los Angeles to Hobby flights
Los Angeles to Denver flights
San Francisco to Kahului flights
Los Angeles to Reagan-National flights
San Francisco to Santa Ana flights
Los Angeles to San Jose flights
Los Angeles to Kahului flights
San Francisco to Miami flights
San Diego to John F Kennedy Intl flights
Los Angeles to Sky Harbor Intl flights
Ontario to John F Kennedy Intl flights
Los Angeles to Atlanta flights
San Jose to Los Angeles flights
San Francisco to Denver flights
Los Angeles to Baltimore flights
Santa Ana to Dallas/Fort Worth flights
Los Angeles to Dulles Intl flights
Oakland to Las Vegas flights
San Francisco to Orlando flights
Los Angeles to Salt Lake City flights
San Francisco to Sky Harbor Intl flights
San Francisco to San Diego flights

Top airline flying from San Francisco to Delaware

Discover the top airline that operate flights from San Francisco to Delaware. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$289Average$389FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.