Cheap flights from Dublin to San Francisco from £400

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SFO
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Dublin to San Francisco are usually found in February or November, booked 65 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Dublin to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to San Francisco (SFO). 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 16 September 2025.

Round-trip from

£400

Popular in

July

Cheapest in

February

Average price

£472

Good round-trip deal

£411 or less

Good one-way deal

£421 or less
Lufthansa
  • Lufthansa
  • 15/10-22/10
  • 2 total stops
  • 31h 20m total
  • Dublin to San Francisco
Highest demand for flights based on searches. 17% potential increase in price (£81 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Dublin to San Francisco.
Price to beat on a one-way flight from Dublin to San Francisco.

Find flight deals from Dublin to San Francisco

Cheapest flights from Dublin to San Francisco
Explore the most affordable flight options available from Dublin to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Wed 15/1009:00DUB - SFO
1 stop15h 00mLufthansa
Wed 22/1007:00SFO - DUB
1 stop16h 20mLufthansa
Deal found 15/9£400
Wed 15/1009:20DUB - SFO
1 stop14h 08mAir Canada
Wed 22/1007:10SFO - DUB
2 stops17h 05mAir Canada
Deal found 15/9£405
Wed 29/1011:30DUB - SFO
2 stops38h 55mScandinavian Airlines
Wed 5/1112:35SFO - DUB
2 stops39h 10mScandinavian Airlines
Deal found 14/9£407
Fri 10/1013:35DUB - SFO
1 stop14h 53mLufthansa
Sat 18/1013:02SFO - DUB
1 stop13h 18mLufthansa
Deal found 15/9£414
Wed 29/1012:30DUB - SFO
Nonstop11h 05mAer Lingus
Wed 5/1117:20SFO - DUB
Nonstop10h 05mAer Lingus
Deal found 14/9£417
Wed 17/1220:40DUB - SFO
1 stop26h 20mBritish Airways
Mon 5/117:30SFO - DUB
1 stop13h 50mBritish Airways
Deal found 15/9£421
Wed 17/1220:40DUB - SFO
1 stop26h 20mBritish Airways
Tue 6/120:40SFO - DUB
1 stop15h 00mBritish Airways
Deal found 15/9£422
Wed 24/905:55DUB - SFO
1 stop14h 45mLufthansa
Wed 8/1013:02SFO - DUB
1 stop13h 18mLufthansa
Deal found 15/9£424
Wed 5/1112:30DUB - SFO
Nonstop11h 05mAer Lingus
Sat 15/1117:20SFO - DUB
Nonstop10h 05mAer Lingus
Deal found 15/9£425
Fri 31/1005:55DUB - SFO
1 stop13h 55mDelta
Fri 14/1109:51SFO - DUB
2 stops21h 54mDelta
Deal found 14/9£425
Fri 7/1105:55DUB - SFO
1 stop13h 55mDelta
Wed 19/1106:00SFO - DUB
1 stop17h 45mDelta
Deal found 15/9£428
Wed 15/1005:55DUB - SFO
1 stop13h 50mDelta
Sun 19/1015:05SFO - DUB
1 stop15h 55mDelta
Deal found 14/9£428

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to San Francisco 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 858,174 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Dublin to San Francisco that are best for you.

Fly from

Dublin

Fly to

San Francisco

Route

Depart

Return

Price

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 2/3

09:10-15:55

1 stop14h 45m

San Francisco

Wed 11/3

08:45-07:30

1 stop15h 45m

£421

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Sun 21/12

20:40-15:00

1 stop26h 20m

San Francisco

Tue 6/1

17:30-17:00

1 stop15h 30m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 31/10

08:50-19:45

1 stop17h 55m

San Francisco

Fri 14/11

17:30-19:50

1 stop18h 20m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 17/12

08:50-15:00

1 stop14h 10m

San Francisco

Mon 5/1

17:30-19:40

1 stop18h 10m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 3/3

10:55-18:45

1 stop15h 50m

San Francisco

Thu 12/3

21:40-19:50

1 stop15h 10m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 23/12

08:50-15:00

1 stop14h 10m

San Francisco

Mon 5/1

17:30-19:40

1 stop18h 10m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 27/2

08:50-15:00

1 stop14h 10m

San Francisco

Wed 11/3

21:40-19:45

1 stop15h 05m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 22/12

20:40-15:00

1 stop26h 20m

San Francisco

Thu 1/1

06:00-09:50

2 stops19h 50m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Wed 17/12

08:50-15:00

1 stop14h 10m

San Francisco

Wed 31/12

16:03-19:45

2 stops19h 42m

£422

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Mon 22/12

20:40-15:00

1 stop26h 20m

San Francisco

Mon 5/1

10:11-12:35

2 stops18h 24m

£422

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 21 results
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Best time to book a flight from Dublin to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Dublin with our price prediction graph.
Estimated return 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 Dublin to San Francisco

How far ahead should I book a flight from Dublin to San Francisco?

Use this chart to determine the optimal time to book a return flight from Dublin to San Francisco. Price data was last updated on 12 September 2025.

To ensure you get the cheapest price possible for a flight from Dublin to San Francisco, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Dublin to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Dublin to San Francisco (average of £538). Flying from Dublin to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DUB to SFO?

Find hourly flight availability from Dublin to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

One of the essential ways to save on airfare from Dublin to San Francisco is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 42% on airfare.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated 16 September 2025.
Read through reviews of airlines operating flights from Dublin to San Francisco, such as United Airlines, American Airlines, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Dublin to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Dublin to San Francisco?

    If you book a flight from Dublin to San Francisco, you will be flying from Dublin to San Francisco. Flights to San Francisco (SFO) from Dublin (DUB) take 10h 55m for a nonstop flight. There are 4 flights from Dublin to San Francisco per day from 10 airlines.

  • How popular is this Dublin to San Francisco flight route?

  • How long is the flight from Dublin to San Francisco?

    Departing from Dublin to San Francisco will take you 26h 20m. Dublin and San Francisco are separated by a distance of 5081 mi.

  • What are the cheapest airlines flying from Dublin to San Francisco round-trip?

    According to our current data, Scandinavian Airlines (£312), TAP AIR PORTUGAL (£314), and KLM (£322) offers the cheapest pricing from Dublin to San Francisco. You may be able to fly from Dublin to San Francisco for 39% less than the average price by searching for these airlines.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £455. Users have also found prices from £481 and £503 on Finnair and KLM, respectively.

  • What are the most reliable airlines from Dublin to San Francisco?

    Consider American Airlines (86%), Aer Lingus (86%) or British Airways (86%) when booking your flight. These represent the most reliable airlines when flying from Dublin to San Francisco.

  • What are the cheapest flights from Dublin to San Francisco?

    On average you can expect to pay £773 for a flight from Dublin to San Francisco. The cheapest flight overall is £383 while the most popular route, (Dublin - San Francisco) is currently priced at £400.

  • Can I find deals for flights from Dublin to San Francisco that include hotel bookings?

    Yes. In addition to deals on Dublin to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to San Francisco.

  • Can I find deals for business class flights from Dublin to San Francisco?

    Yes. Cheapflights offers flight deals from Dublin to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dublin to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Dublin to San Francisco (average of £538). Flying from Dublin to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
South San Francisco
Bodega Bay
Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Dublin to San Francisco

Discover the top 10 airlines that operate flights from Dublin to San Francisco. 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 858,174 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£312Average£354FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£314Average£457FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£322Average£461FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£326Average£457FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£336Average£564FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£394Average£493FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£407Average£606FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£408Average£576FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£422Average£567FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£434Average£588FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Dublin to San Francisco?

When you search for this flight from Dublin to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Dublin to San Francisco?

Cheapflights helps you find that perfect flight to San Francisco from Dublin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Dublin to San Francisco with no change fees?

Need flexible booking options for your flight to San Francisco from Dublin? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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