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$421+ Cheap flights from Oakland, CA (OAK) to Northern Ireland

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BFS
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Oakland to Northern Ireland

Keep the following information in mind while searching for Oakland to Northern Ireland flight deals. Data was last updated August 20, 2025.

Round-trip from

$766
(American Airlines)

One-way from

$421
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$773
From Oakland to Northern Ireland
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One-way flight from Oakland to Northern Ireland
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Highest demand for flights based on searches. 15% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Oakland to Northern Ireland

Cheapest flights from Oakland to Northern Ireland
Explore the most affordable flight options available from Oakland to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 10/139:25 amOAK - BHD
2 stops24h 05mMultiple Airlines
Mon 10/279:15 amBHD - OAK
3 stops21h 44mMultiple Airlines
Deal found 8/18$766
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:40 amOAK - BHD
2 stops26h 50mBritish Airways
Mon 10/277:25 pmBHD - OAK
2 stops35h 34mBritish Airways
Deal found 8/18$831
This British Airways deal was found by Cheapflights users on 8/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:30 pmOAK - BHD
2 stops22h 15mBritish Airways
Tue 9/236:15 pmBHD - OAK
2 stops35h 48mBritish Airways
Deal found 8/18$1,502

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Northern Ireland 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 August 20, 2025.
Use the filters below to find and compare flights from Oakland to Northern Ireland that are best for you.

Fly from

Oakland

Fly to

Northern Ireland

Route

Depart

Return

Price

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

Mon 10/13

9:25 am-5:30 pm

2 stops24h 05m

Belfast City

Mon 10/27

9:15 am-11:59 pm

3 stops21h 44m

$766

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

Mon 10/13

6:40 am-5:30 pm

2 stops26h 50m

Belfast City

Mon 10/27

7:25 pm-11:59 pm

2 stops35h 34m

$831

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

Fri 9/19

2:30 pm-8:45 pm

2 stops22h 15m

Belfast City

Tue 9/23

6:15 pm-10:03 pm

2 stops35h 48m

$1,502

OaklandBelfast

OAK - BFS

OAKBFS

Oakland

Mon 9/15

2:39 pm-9:55 am

3 stops35h 16m

$421

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

Fri 8/29

9:39 am-9:25 am

2 stops15h 46m

$2,347

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Oakland to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Oakland 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 Oakland to Northern Ireland

What is the cheapest month to book a flight from Oakland, California to Northern Ireland?

Currently, February is the cheapest month in which you can book a flight from Oakland, California to Northern Ireland (average of $657). Flying from Oakland, California to Northern Ireland in June is currently the most expensive (average of $1,189). 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.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Northern Ireland. 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 Oakland to Northern Ireland?

    If you book a flight to Northern Ireland from Oakland, you will be flying from Oakland, which is the city’s only airport. Oakland (OAK) is located 7.0 mi from the center of Oakland.

  • How long is the flight from Oakland, California to Northern Ireland?

    For as low as $831, British Airways can have you in Northern Ireland from Oakland, California in 26h 50m. The distance between Oakland, California and Northern Ireland is about 5028 mi.

  • Can I find deals for flights from Oakland to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Oakland to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Northern Ireland?

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

  • Can I find deals for business class flights from Oakland to Northern Ireland?

    Yes. Cheapflights offers flight deals from Oakland to Northern Ireland 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 Oakland, California to Northern Ireland?

    Currently, February is the cheapest month in which you can book a flight from Oakland, California to Northern Ireland (average of $657). Flying from Oakland, California to Northern Ireland in June is currently the most expensive (average of $1,189). 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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