What is the cheapest airline that flies from Donegal to United States?

Aer Lingus is the most popular carrier operating from Donegal to United States

When did momondo last update prices for flights from Donegal Airport to United States?

Prices for flights from Donegal Airport to United States are updated daily.

How old do you have to be to fly from Donegal Airport to United States?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Donegal Airport to United States.

What documentation or ID do you need to fly to United States?

The necessary travel and health documents for your United States trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$444 Cheap Flights from Donegal to the United States in 2026

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Find the cheapest flights from Donegal to the United States

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 11:59 pm

CFN

SFO

23h 59m

2 stops

5:40 pm - 7:25 am

SFO

CFN

29h 45m

1 stop

$893Multiple Airlines

Wed, Apr 8 - Sun, Apr 12

8:00 am - 11:59 pm

CFN

SFO

23h 59m

2 stops

6:00 am - 7:35 am

SFO

CFN

17h 35m

2 stops

$1,035Multiple Airlines

Wed, Apr 8 - Sun, Apr 12

8:30 pm - 3:50 pm

CFN

SFO

27h 20m

1 stop

5:40 pm - 7:25 am

SFO

CFN

29h 45m

1 stop

$1,087Aer Lingus

Wed, Apr 8 - Sun, Apr 12

8:30 pm - 5:55 pm

CFN

SFO

29h 25m

2 stops

1:20 pm - 8:00 pm

SFO

CFN

22h 40m

3 stops

$1,353Multiple Airlines

Wed, Apr 8 - Sun, Apr 12

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 4/8

8:00 am-11:59 pm

2 stops23h 59m

San Francisco

Sun 4/12

5:40 pm-7:25 am

1 stop29h 45m

$893

Quickest round-trip

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 4/8

8:00 am-11:59 pm

2 stops23h 59m

San Francisco

Sun 4/12

6:00 am-7:35 am

2 stops17h 35m

$1,035

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 4/8

8:30 pm-3:50 pm

1 stop27h 20m

San Francisco

Sun 4/12

5:40 pm-7:25 am

1 stop29h 45m

$1,087

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Wed 4/8

8:30 pm-5:55 pm

2 stops29h 25m

San Francisco

Sun 4/12

1:20 pm-8:00 pm

3 stops22h 40m

$1,353

Cheapest one-way

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Thu 5/7

8:30 pm-12:00 pm

3 stops47h 30m

$444

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Thu 5/7

8:00 am-8:50 pm

2 stops44h 50m

$555

Quickest one-way

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Thu 5/7

8:30 pm-3:50 pm

1 stop27h 20m

$660

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Donegal to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Donegal to United States flights?

You could potentially save up to 37% on your flight if you consider stops on a Donegal to United States flight.

Cheap Donegal to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Donegal to United States

Fastest flight time	22h 51m
Direct flights	None

The fastest flight from Donegal to United States takes 22h 51m

There are no direct flights from Donegal to United States. There are no popular flight routes from Donegal to United States.

Search flight deals

When did momondo last update prices for flights from Donegal Airport to United States?
Prices for flights from Donegal Airport to United States are updated daily.
How old do you have to be to fly from Donegal Airport to United States?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Donegal Airport to United States.
What documentation or ID do you need to fly to United States?
The necessary travel and health documents for your United States trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Donegal to United States?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Donegal to United States. momondo saves you time and could save you money on your trip.

Can I find flights from Donegal to United States with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to United States from Donegal with this policy.

How can momondo help me find flights from Donegal to United States?

Once all potential Donegal to United States flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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