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$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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ILG
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from San Francisco to Delaware

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Delaware (USDE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$115
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$413
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. 4% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This United Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 2/271:20 pmSFO - PHL
Nonstop5h 22mUnited Airlines
Thu 3/66:12 amPHL - SFO
Nonstop6h 33mUnited Airlines
Deal found 1/30$289
This Frontier deal was found by Cheapflights users on 1/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/312:08 amSFO - PHL
1 stop13h 50mFrontier
Wed 4/161:05 pmPHL - SFO
1 stop12h 53mFrontier
Deal found 1/29$290
This KAYAK deal was found by Cheapflights users on 1/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2312:40 amSFO - PHL
1 stop7h 02mDelta
Wed 2/2610:33 amPHL - SFO
1 stop10h 47mDelta
Deal found 1/29$292
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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.
Wed 2/2611:35 amSFO - PHL
1 stop26h 50mAlaska Airlines
Fri 2/286:25 pmPHL - SFO
1 stop17h 47mAlaska Airlines
Deal found 1/29$308
This Southwest deal was found by Cheapflights users on 1/30. 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.
Wed 4/303:45 pmSFO - PHL
2 stops14h 00mSouthwest
Mon 5/55:45 pmPHL - SFO
1 stop8h 35mSouthwest
Deal found 1/30$314
This American Airlines deal was found by Cheapflights users on 1/30. 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 3/207:43 amSFO - PHL
Nonstop5h 17mAmerican Airlines
Sun 3/237:30 pmPHL - SFO
Nonstop6h 22mAmerican Airlines
Deal found 1/30$318
This Sun Country Air deal was found by Cheapflights users on 1/30. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:59 pmSFO - PHL
1 stop8h 11mSun Country Air
Sun 7/1312:05 pmPHL - SFO
1 stop13h 45mSun Country Air
Deal found 1/30$320
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Tue 5/274:04 pmSFO - PHL
1 stop10h 01mMultiple Airlines
Sun 6/112:10 pmPHL - SFO
1 stop8h 03mMultiple Airlines
Deal found 1/30$325
This JetBlue deal was found by Cheapflights users on 1/30. 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.
Thu 3/208:20 amSFO - PHL
1 stop10h 42mJetBlue
Sun 3/236:00 amPHL - SFO
1 stop10h 54mJetBlue
Deal found 1/30$362
This American Airlines deal was found by Cheapflights users on 1/29. 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 4/2210:48 pmSFO - SBY
1 stop9h 44mAmerican Airlines
Sun 4/276:33 amSBY - SFO
1 stop8h 44mAmerican Airlines
Deal found 1/29$570

Find flights from San Francisco to Delaware within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 2/27

1:20 pm-9:42 pm

Nonstop5h 22m

Philadelphia

Thu 3/6

6:12 am-9:45 am

Nonstop6h 33m

$289

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 4/3

12:08 am-4:58 pm

1 stop13h 50m

Philadelphia

Wed 4/16

1:05 pm-10:58 pm

1 stop12h 53m

$290

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Sun 2/23

12:40 am-10:42 am

1 stop7h 02m

Philadelphia

Wed 2/26

10:33 am-6:20 pm

1 stop10h 47m

$292

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 2/26

11:35 am-5:25 pm

1 stop26h 50m

Philadelphia

Fri 2/28

6:25 pm-9:12 am

1 stop17h 47m

$308

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 4/30

3:45 pm-8:45 am

2 stops14h 00m

Philadelphia

Mon 5/5

5:45 pm-11:20 pm

1 stop8h 35m

$314

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 3/20

7:43 am-4:00 pm

Nonstop5h 17m

Philadelphia

Mon 3/24

7:30 pm-10:52 pm

Nonstop6h 22m

$318

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 7/3

11:59 pm-11:10 am

1 stop8h 11m

Philadelphia

Sun 7/13

12:05 pm-10:50 pm

1 stop13h 45m

$320

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Tue 5/27

4:04 pm-5:05 am

1 stop10h 01m

Philadelphia

Sun 6/1

12:10 pm-5:13 pm

1 stop8h 03m

$325

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 3/20

8:20 am-10:02 pm

1 stop10h 42m

Philadelphia

Sun 3/23

6:00 am-1:54 pm

1 stop10h 54m

$362

San FranciscoSalisbury

SFO - SBY

SFOSBY

San Francisco

Tue 4/22

10:48 pm-11:32 am

1 stop9h 44m

Salisbury-Ocean City

Sun 4/27

6:33 am-12:17 pm

1 stop8h 44m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 19 results
1
2

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.

Travel insights for flights from San Francisco to Delaware

Get recent, data-driven insights about flights from San Francisco to Delaware including ideal travel times, pricing trends, and more.

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 January 30, 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
4,585 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,585 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,688 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,454 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

JetBlue
7.4
Good
3,156 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,913 reviews
Southwest
8.1
Very good
4,585 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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 United 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$219Average$346FlexibilityNo cancel feeOn-time71%
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