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Delaware

$115+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ILG
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(Frontier)

One-way from

$115
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$422
Provider with most accurate pricing for San Francisco-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Philadelphia flights.
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From San Francisco to Delaware
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One-way flight from San Francisco to Delaware
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 28, 2025.

This CheapOair deal was found by Cheapflights users on 3/27. 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.
Thu 5/19:50 pmSFO - PHL
1 stop30h 02mFrontier
Mon 5/56:54 pmPHL - SFO
1 stop21h 09mFrontier
Deal found 3/27$248
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1912:43 amSFO - PHL
1 stop8h 02mUnited Airlines
Tue 5/277:59 pmPHL - SFO
1 stop7h 59mUnited Airlines
Deal found 3/28$249
This JetBlue deal was found by Cheapflights users on 3/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:52 pmSFO - PHL
1 stop9h 49mJetBlue
Tue 5/65:30 pmPHL - SFO
1 stop9h 38mJetBlue
Deal found 3/26$250
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/222:28 pmSFO - PHL
1 stop7h 21mDelta
Tue 4/297:00 amPHL - SFO
1 stop9h 45mDelta
Deal found 3/26$277
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/168:35 amSFO - PHL
Nonstop5h 25mAmerican Airlines
Sun 4/207:10 pmPHL - SFO
Nonstop6h 26mAmerican Airlines
Deal found 3/28$283
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:25 amSFO - PHL
1 stop8h 10mSouthwest
Sat 8/307:35 amPHL - SFO
1 stop11h 50mSouthwest
Deal found 3/27$284
This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1110:17 pmSFO - PHL
1 stop10h 25mMultiple Airlines
Sun 4/1310:08 pmPHL - SFO
1 stop18h 12mMultiple Airlines
Deal found 3/27$324
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2211:05 amSFO - PHL
2 stops15h 39mAlaska Airlines
Fri 4/256:53 pmPHL - SFO
1 stop17h 22mAlaska Airlines
Deal found 3/27$382
This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2011:59 pmSFO - PHL
1 stop8h 11mSun Country Air
Sun 7/2712:05 pmPHL - SFO
1 stop8h 21mSun Country Air
Deal found 3/28$415
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/128:35 amSFO - SBY
1 stop8h 53mAmerican Airlines
Wed 4/164:38 pmSBY - SFO
1 stop9h 13mAmerican Airlines
Deal found 3/28$570

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 March 28, 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

Thu 5/1

9:50 pm-6:52 am

1 stop30h 02m

Philadelphia

Mon 5/5

6:54 pm-1:03 pm

1 stop21h 09m

$248

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Mon 5/19

12:43 am-11:45 am

1 stop8h 02m

Philadelphia

Tue 5/27

7:59 pm-12:58 am

1 stop7h 59m

$249

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 4/30

8:52 pm-9:41 am

1 stop9h 49m

Philadelphia

Tue 5/6

5:30 pm-12:08 am

1 stop9h 38m

$250

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Tue 4/22

2:28 pm-12:49 am

1 stop7h 21m

Philadelphia

Tue 4/29

7:00 am-1:45 pm

1 stop9h 45m

$277

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 4/16

8:35 am-5:00 pm

Nonstop5h 25m

Philadelphia

Sun 4/20

7:10 pm-10:36 pm

Nonstop6h 26m

$283

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Mon 5/5

8:25 pm-9:35 pm

2 stops22h 10m

Philadelphia

Thu 5/8

5:45 pm-8:45 am

2 stops18h 00m

$317

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Fri 4/11

10:17 pm-11:42 am

1 stop10h 25m

Philadelphia

Sun 4/13

10:08 pm-1:20 pm

1 stop18h 12m

$324

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Tue 4/22

11:05 am-5:44 am

2 stops15h 39m

Philadelphia

Fri 4/25

6:53 pm-9:15 am

1 stop17h 22m

$382

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 6/19

11:59 pm-11:10 am

1 stop8h 11m

Philadelphia

Sun 6/22

12:06 pm-10:53 pm

1 stop13h 47m

$441

San FranciscoSalisbury

SFO - SBY

SFOSBY

San Francisco

Sat 4/12

8:35 am-8:28 pm

1 stop8h 53m

Salisbury-Ocean City

Wed 4/16

4:38 pm-10:51 pm

1 stop9h 13m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 21 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

Rainfall in Delaware by month

Plan your trip to Delaware by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Delaware ranges from 2.9 - 4.3 inches per month. July is typically the wettest month, when rainfall can reach 4.3 in. February is typically the driest time to visit Delaware when rainfall is around 2.9 in.

Temperature in Delaware by month

Plan your trip to Delaware by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Delaware, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 March 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from San Francisco to Delaware to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $115. However, be on the lookout for offers from Frontier and JetBlue, 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

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Alternative routes for San Francisco to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$219Average$361FlexibilityNo cancel feeOn-time71%
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