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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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ILG
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$260
(Frontier)

One-way from

$115
(Frontier)

Popular in

December

Cheapest in

January

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 ($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 April 30, 2025.

This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:39 pmSFO - PHL
1 stop7h 28mFrontier
Sun 6/110:29 pmPHL - SFO
1 stop14h 54mFrontier
Deal found 4/28$260
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/2411:05 pmSFO - PHL
Nonstop5h 25mAmerican Airlines
Sun 5/259:16 amPHL - SFO
Nonstop6h 04mAmerican Airlines
Deal found 4/28$284
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/309:30 pmSFO - PHL
Nonstop5h 27mUnited Airlines
Mon 6/26:05 pmPHL - SFO
Nonstop6h 00mUnited Airlines
Deal found 4/29$289
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2612:40 amSFO - PHL
1 stop7h 20mDelta
Tue 6/33:00 pmPHL - SFO
1 stop7h 44mDelta
Deal found 4/27$291
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2910:44 amSFO - PHL
1 stop8h 46mJetBlue
Tue 6/310:16 amPHL - SFO
1 stop12h 18mJetBlue
Deal found 4/29$293
This Southwest deal was found by Cheapflights users on 4/27. 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 8/87:15 amSFO - PHL
1 stop7h 40mSouthwest
Tue 8/125:55 amPHL - SFO
2 stops9h 15mSouthwest
Deal found 4/27$313
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/211:39 pmSFO - PHL
1 stop14h 13mMultiple Airlines
Wed 6/1812:06 pmPHL - SFO
1 stop8h 02mMultiple Airlines
Deal found 4/29$332
This Sun Country Air deal was found by Cheapflights users on 4/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:18 pmSFO - PHL
1 stop12h 24mSun Country Air
Sun 9/2810:29 amPHL - SFO
1 stop9h 34mSun Country Air
Deal found 4/28$355
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 7/225:23 amSFO - SBY
1 stop8h 45mAmerican Airlines
Wed 7/305:00 amSBY - SFO
1 stop10h 14mAmerican Airlines
Deal found 4/28$610

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 April 30, 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

Fri 5/23

6:39 pm-5:07 am

1 stop7h 28m

Philadelphia

Sun 6/1

10:29 pm-10:23 am

1 stop14h 54m

$260

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Sat 5/24

11:05 pm-7:30 am

Nonstop5h 25m

Philadelphia

Sun 5/25

9:16 am-12:20 pm

Nonstop6h 04m

$284

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Fri 5/30

9:30 pm-5:57 am

Nonstop5h 27m

Philadelphia

Sun 6/1

6:30 am-9:30 am

Nonstop6h 00m

$289

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Mon 5/26

12:40 am-11:00 am

1 stop7h 20m

Philadelphia

Tue 6/3

3:00 pm-7:44 pm

1 stop7h 44m

$291

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Thu 5/29

10:44 am-10:30 pm

1 stop8h 46m

Philadelphia

Tue 6/3

10:16 am-7:34 pm

1 stop12h 18m

$293

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 5/21

1:39 pm-6:52 am

1 stop14h 13m

Philadelphia

Wed 6/18

12:06 pm-5:08 pm

1 stop8h 02m

$332

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Tue 7/15

7:40 pm-9:15 am

2 stops10h 35m

Philadelphia

Fri 7/18

7:10 pm-12:10 am

1 stop8h 00m

$358

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Wed 5/7

4:49 pm-5:44 am

1 stop9h 55m

Philadelphia

Tue 5/13

7:04 am-6:26 pm

2 stops14h 22m

$406

San FranciscoSalisbury

SFO - SBY

SFOSBY

San Francisco

Tue 7/22

5:23 am-5:08 pm

1 stop8h 45m

Salisbury-Ocean City

Wed 7/30

5:00 am-12:14 pm

1 stop10h 14m

$610

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

Fri 5/2

9:57 pm-2:37 pm

1 stop13h 40m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 18 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 April 30, 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
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $115. However, be on the lookout for offers from JetBlue and American Airlines, 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$219Average$361FlexibilityNo cancel feeOn-time71%

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