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$643+ Cheap flights from Donegal (CFN) to California

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
CFN — LAX
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Find flight deals from Donegal to California

One-way flights from Donegal to California
Search for one-way flight options from Donegal to California. Find affordable one-way fares based on user searches. Data last updated April 2, 2025.

This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:55 amCFN - SFO
3 stops38h 04mMultiple Airlines
Deal found 4/1$643
This SmartFares deal was found by Cheapflights users on 4/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:55 amCFN - SJC
2 stops21h 32mMultiple Airlines
Deal found 4/1$871
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:55 amCFN - SFO
1 stop16h 00mAer Lingus
Deal found 4/1$994

Cheapflights Fare Finder

Customize your flight search to find flights from Donegal to California 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 2, 2025.
Use the filters below to find and compare flights from Donegal to California that are best for you.

Fly from

Donegal

Fly to

California

Route

Depart

Return

Price

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Mon 8/4

7:55 am-1:59 pm

3 stops38h 04m

$643

DonegalSan Jose

CFN - SJC

CFNSJC

Donegal

Mon 8/4

7:55 am-9:27 pm

2 stops21h 32m

$871

DonegalSan Francisco

CFN - SFO

CFNSFO

Donegal

Mon 8/4

7:55 am-3:55 pm

1 stop16h 00m

$994

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Best time to book a flight from Donegal to California

Have a flexible travel schedule? Discover the best time to fly to California from Donegal 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 Donegal to California

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated April 2, 2025.
Aer Lingus
7.0
Good
1,060 reviews

Boarding

7.2

Comfort

7.0

Food

6.4

Crew

7.9

Entertainment

6.7

Overall

7.0

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
Aer Lingus
7.0
Good
1,060 reviews
Aer Lingus
7.0
Good
1,060 reviews

Boarding

7.2

Comfort

7.0

Food

6.4

Crew

7.9

Entertainment

6.7

Overall

7.0

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.

Related info for your journey

Find useful and relevant information for your journey from Donegal to California. 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 Donegal to California?

    Donegal (CFN) is the airport you will fly out of if you book a flight from Donegal to California. It is only a 28.5 mi journey to Donegal (CFN) from Donegal’s city center.

  • What are the most popular routes from Donegal to California?

    While some choose either Donegal - San Francisco or Donegal - San Jose, Donegal - Oakland is the most popular route from Donegal to California.

  • Can I find deals for flights from Donegal to California that include hotel bookings?

    Yes. In addition to deals on Donegal to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Donegal to California?

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

  • Can I find deals for business class flights from Donegal to California?

    Yes. Cheapflights offers flight deals from Donegal to California 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 Donegal to California?

    Currently, January is the cheapest month in which you can book a flight from Donegal to California (average of $246). Flying from Donegal to California in June is currently the most expensive (average of $328). 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

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