How do I get Price Alerts for flights from Donegal to San Francisco?

Price Alerts will notify you by email when the price for flights to San Francisco from Donegal decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Donegal to San Francisco with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Donegal Airport to San Francisco Airport?

Prices for flights from Donegal Airport to San Francisco Airport are refreshed on a daily basis.

How old do you have to be to fly from Donegal Airport to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Donegal Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€753 Cheap Flights from Donegal to San Francisco in 2026

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Find the cheapest flights from Donegal to San Francisco

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

08:00 - 23:59

CFN

SFO

23h 59m

2 stops

10:13 - 20:00

SFO

CFN

25h 47m

2 stops

€863Multiple Airlines

Wed, 22 Apr - Sun, 26 Apr

08:00 - 23:59

CFN

SFO

23h 59m

2 stops

17:40 - 20:00

SFO

CFN

18h 20m

1 stop

€867Multiple Airlines

Wed, 22 Apr - Sun, 26 Apr

20:30 - 23:59

CFN

SFO

35h 29m

2 stops

17:40 - 07:25

SFO

CFN

29h 45m

1 stop

€887Multiple Airlines

Wed, 22 Apr - Sun, 26 Apr

20:30 - 15:50

CFN

SFO

27h 20m

1 stop

17:40 - 20:00

SFO

CFN

18h 20m

1 stop

€945Aer Lingus

Wed, 22 Apr - Sun, 26 Apr

20:30 - 15:50

CFN

SFO

27h 20m

1 stop

17:40 - 20:00

SFO

CFN

18h 20m

1 stop

€951Aer Lingus

Wed, 22 Apr - Sun, 26 Apr

08:00 - 15:55

CFN

SFO

15h 55m

1 stop

17:40 - 07:25

SFO

CFN

29h 45m

1 stop

€953Multiple Airlines

Wed, 22 Apr - Sun, 26 Apr

08:00 - 23:59

CFN

SFO

23h 59m

2 stops

05:45 - 07:25

SFO

CFN

41h 40m

2 stops

€991Aer Lingus

Wed, 22 Apr - Sun, 26 Apr

08:00 - 21:30

CFN

SFO

21h 30m

2 stops

13:45 - 20:00

SFO

CFN

22h 15m

3 stops

€1,646Multiple Airlines

Wed, 22 Apr - Sun, 26 Apr

Aer Lingus flights from Donegal to San Francisco

Our best Aer Lingus deals on Donegal to San Francisco flight tickets

Aer Lingus

22 Apr

CFN20:30Donegal

27h 20m

1 stop

SFO15:50San Francisco

26 Apr

SFO17:40San Francisco

18h 20m

1 stop

CFN20:00Donegal

€945

Aer Lingus

22 Apr

CFN20:30Donegal

27h 20m

1 stop

SFO15:50San Francisco

26 Apr

SFO17:40San Francisco

18h 20m

1 stop

CFN20:00Donegal

€951

Aer Lingus

22 Apr

CFN08:00Donegal

23h 59m

2 stops

SFO23:59San Francisco

26 Apr

SFO05:45San Francisco

41h 40m

2 stops

CFN07:25Donegal

€991

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 22/4

08:00-23:59

2 stops23h 59m

San Francisco

Sun 26/4

10:13-20:00

2 stops25h 47m

€863

Fastest return journey

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 22/4

08:00-23:59

2 stops23h 59m

San Francisco

Sun 26/4

17:40-20:00

1 stop18h 20m

€867

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 22/4

20:30-23:59

2 stops35h 29m

San Francisco

Sun 26/4

17:40-07:25

1 stop29h 45m

€887

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 22/4

20:30-15:50

1 stop27h 20m

San Francisco

Sun 26/4

17:40-20:00

1 stop18h 20m

€945

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 22/4

20:30-15:50

1 stop27h 20m

San Francisco

Sun 26/4

17:40-20:00

1 stop18h 20m

€951

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 22/4

08:00-15:55

1 stop15h 55m

San Francisco

Sun 26/4

17:40-07:25

1 stop29h 45m

€953

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 22/4

08:00-23:59

2 stops23h 59m

San Francisco

Sun 26/4

05:45-07:25

2 stops41h 40m

€991

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 22/4

08:00-21:30

2 stops21h 30m

San Francisco

Sun 26/4

13:45-20:00

3 stops22h 15m

€1,646

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Donegal to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Donegal to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Donegal to San Francisco (CFN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Donegal to San Francisco

Fastest flight time	52h 20m
Direct flights	None

The fastest flight from Donegal to San Francisco takes 52h 20m

There are no direct flights from Donegal to San Francisco. There are no popular flight routes from Donegal to San Francisco.

Search flight deals

Frequently asked questions about flying from Donegal to San Francisco

How far is Donegal to San Francisco by plane?
The distance between Donegal and San Francisco is about 7983.0 km. A reasonable flight in good conditions will take 52h 20m.
When did momondo last update prices for flights from Donegal Airport to San Francisco Airport?
Prices for flights from Donegal Airport to San Francisco Airport are refreshed on a daily basis.
How old do you have to be to fly from Donegal Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Donegal Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Donegal to San Francisco

How do I get Price Alerts for flights from Donegal to San Francisco?
Price Alerts will notify you by email when the price for flights to San Francisco from Donegal decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Donegal to San Francisco with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Santa Cruz

Millbrae

Mountain View

Walnut Creek

Alameda

Rohnert Park

South San Francisco

Menlo Park

Berkeley

Why use momondo?

Why should I use momondo to find a flight deal from Donegal to San Francisco?

It is quick and easy to find Donegal to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

Can I find flights from Donegal to San Francisco with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Donegal to San Francisco flights to just show those with flexible booking policies.

How can momondo help me find flights from Donegal to San Francisco?

momondo helps you find the best flight between Donegal and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Donegal to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Donegal and alert you when they change.