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Delaware

$105+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ILG
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
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 abril 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$189
(Frontier)

One-way from

$105
(Frontier)

Popular in

December

Cheapest in

January

Average price

$409
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 ($20 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 April 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 abril 17, 2025.

This Frontier deal was found by Cheapflights users on 4/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/29:57 pmSFO - PHL
1 stop21h 14mFrontier
mar. 5/64:05 pmPHL - SFO
1 stop9h 28mFrontier
Deal found 4/16$189
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/111:05 pmSFO - PHL
Nonstop5h 25mAmerican Airlines
sáb. 6/74:01 pmPHL - SFO
Nonstop5h 59mAmerican Airlines
Deal found 4/16$260
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/712:43 amSFO - PHL
1 stop8h 02mUnited Airlines
sáb. 5/108:30 amPHL - SFO
Nonstop6h 18mUnited Airlines
Deal found 4/16$270
This Delta deal was found by Cheapflights users on 4/15. 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.
mié. 5/2812:40 amSFO - PHL
1 stop7h 20mDelta
mié. 6/46:00 amPHL - SFO
1 stop7h 33mDelta
Deal found 4/15$277
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/78:00 amSFO - PHL
1 stop18h 44mAlaska Airlines
mié. 5/147:04 amPHL - SFO
2 stops14h 22mAlaska Airlines
Deal found 4/16$325
This JetBlue deal was found by Cheapflights users on 4/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/308:44 pmSFO - PHL
1 stop9h 54mJetBlue
sáb. 6/76:10 pmPHL - SFO
1 stop9h 10mJetBlue
Deal found 4/16$329
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/2711:25 amSFO - PHL
1 stop7h 25mSouthwest
dom. 8/317:35 amPHL - SFO
2 stops12h 30mSouthwest
Deal found 4/16$340
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/176:14 pmSFO - PHL
1 stop13h 56mSun Country Air
jue. 6/1912:06 pmPHL - SFO
1 stop13h 47mSun Country Air
Deal found 4/17$412
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/148:58 amSFO - SBY
1 stop10h 04mAmerican Airlines
mié. 5/214:36 pmSBY - SFO
1 stop9h 25mAmerican Airlines
Deal found 4/16$540

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 abril 17, 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

vie. 5/2

9:57 pm-10:11 pm

1 stop21h 14m

Philadelphia

mar. 5/6

4:05 pm-10:33 pm

1 stop9h 28m

$189

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

dom. 6/1

11:05 pm-7:30 am

Nonstop5h 25m

Philadelphia

sáb. 6/7

4:01 pm-7:00 pm

Nonstop5h 59m

$260

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

mié. 5/7

9:10 pm-5:39 am

Nonstop5h 29m

Philadelphia

vie. 5/16

6:04 pm-11:59 pm

1 stop8h 55m

$270

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

mié. 5/28

12:40 am-11:00 am

1 stop7h 20m

Philadelphia

mié. 6/4

6:00 am-10:33 am

1 stop7h 33m

$277

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

mié. 5/7

8:00 am-5:44 am

1 stop18h 44m

Philadelphia

mié. 5/14

7:04 am-6:26 pm

2 stops14h 22m

$325

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

vie. 5/30

8:44 pm-9:38 am

1 stop9h 54m

Philadelphia

sáb. 6/7

6:10 pm-12:20 am

1 stop9h 10m

$329

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

sáb. 8/23

5:15 am-8:25 pm

2 stops12h 10m

Philadelphia

sáb. 8/30

1:45 pm-9:35 pm

1 stop10h 50m

$331

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

mar. 6/17

6:14 pm-11:10 am

1 stop13h 56m

Philadelphia

jue. 6/19

12:06 pm-10:53 pm

1 stop13h 47m

$412

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

mar. 6/17

6:14 pm-11:10 am

1 stop13h 56m

Philadelphia

dom. 6/22

7:05 am-10:53 pm

2 stops42h 48m

$442

San FranciscoSalisbury

SFO - SBY

SFOSBY

San Francisco

mié. 5/14

8:58 am-10:02 pm

1 stop10h 04m

Salisbury-Ocean City

mié. 5/21

4:36 pm-11:01 pm

1 stop9h 25m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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.

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 abril 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,926 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Frontier, with whom users have recently found tickets for as low as $105. However, be on the lookout for offers from United Airlines 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$219Average$361FlexibilityNo cancel feeOn-time71%

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