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Delaware

$149+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ILG
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$289
(United Airlines)

One-way from

$149
(Frontier)

Popular in

December

Cheapest in

April

Average price

$448
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. 7% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 8/279:00 pmSFO - PHL
Nonstop5h 21mUnited Airlines
mié. 9/36:30 amPHL - SFO
Nonstop6h 02mUnited Airlines
Deal found 7/30$289
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/87:10 amSFO - PHL
1 stop11h 40mJetBlue
mié. 10/153:10 pmPHL - SFO
1 stop11h 40mJetBlue
Deal found 7/29$290
This CheapOair deal was found by Cheapflights users on 7/31. 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.
jue. 8/148:53 pmSFO - PHL
1 stop25h 16mFrontier
dom. 8/179:03 amPHL - SFO
1 stop28h 22mFrontier
Deal found 7/31$298
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/217:29 amSFO - PHL
1 stop7h 52mDelta
mié. 8/275:25 amPHL - SFO
1 stop9h 20mDelta
Deal found 7/30$307
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
vie. 9/128:00 amSFO - PHL
1 stop19h 02mAlaska Airlines
mar. 9/167:22 amPHL - SFO
1 stop9h 22mAlaska Airlines
Deal found 7/31$308
This American Airlines deal was found by Cheapflights users on 7/29. 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.
mié. 12/241:33 amSFO - PHL
Nonstop5h 17mAmerican Airlines
mié. 12/319:00 pmPHL - SFO
Nonstop6h 16mAmerican Airlines
Deal found 7/29$311
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/137:00 amSFO - PHL
2 stops22h 52mMultiple Airlines
vie. 8/157:19 amPHL - SFO
1 stop7h 56mMultiple Airlines
Deal found 7/29$312
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/95:55 amSFO - PHL
2 stops8h 45mSouthwest
vie. 9/122:00 pmPHL - SFO
1 stop10h 15mSouthwest
Deal found 7/29$314
This American Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 9/136:33 amSFO - SBY
1 stop7h 08mAmerican Airlines
sáb. 9/206:00 amSBY - SFO
1 stop8h 30mAmerican Airlines
Deal found 7/30$507

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 julio 31, 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

mié. 8/27

9:00 pm-5:21 am

Nonstop5h 21m

Philadelphia

mié. 9/3

6:30 am-9:32 am

Nonstop6h 02m

$289

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

lun. 9/8

7:10 am-9:50 pm

1 stop11h 40m

Philadelphia

mié. 10/15

3:10 pm-11:50 pm

1 stop11h 40m

$290

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

jue. 8/14

8:53 pm-1:09 am

1 stop25h 16m

Philadelphia

dom. 8/17

9:03 am-10:25 am

1 stop28h 22m

$298

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

jue. 8/21

7:29 am-6:21 pm

1 stop7h 52m

Philadelphia

mié. 8/27

5:25 am-11:45 am

1 stop9h 20m

$307

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

vie. 9/12

8:00 am-6:02 am

1 stop19h 02m

Philadelphia

mar. 9/16

7:22 am-1:44 pm

1 stop9h 22m

$308

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

mié. 8/13

7:00 am-8:52 am

2 stops22h 52m

Philadelphia

vie. 8/15

7:19 am-12:15 pm

1 stop7h 56m

$312

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

mar. 9/9

5:55 am-5:40 pm

2 stops8h 45m

Philadelphia

vie. 9/12

2:00 pm-9:15 pm

1 stop10h 15m

$314

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

jue. 8/28

6:28 am-2:54 pm

Nonstop5h 26m

Philadelphia

dom. 8/31

8:15 pm-11:18 pm

Nonstop6h 03m

$319

San FranciscoSalisbury

SFO - SBY

SFOSBY

San Francisco

sáb. 9/13

6:33 am-4:41 pm

1 stop7h 08m

Salisbury-Ocean City

sáb. 9/20

6:00 am-11:30 am

1 stop8h 30m

$507

San FranciscoPhiladelphia

SFO - PHL

SFOPHL

San Francisco

dom. 8/31

11:55 pm-2:01 pm

1 stop11h 06m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 17 results
1
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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 julio 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

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
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

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
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

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 $149. However, be on the lookout for offers from Alaska 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$361FlexibilityNo cancel feeOn-time71%

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