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Belfast Intl

$277+ Cheap flights from Riverside, CA to Belfast Intl (BFS)

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Riverside to Belfast Intl

Best flights from Riverside to Belfast Intl
Discover carefully curated flight deals from Riverside to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

This Mytrip deal was found by Cheapflights users on 12/14. 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.
Sun 1/118:20 amLAX - BFS
3 stops28h 00mMultiple Airlines
Sun 1/1811:05 pmBFS - LAX
3 stops47h 55mMultiple Airlines
Deal found 12/14$895
This Mytrip deal was found by Cheapflights users on 12/13. 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.
Tue 1/278:20 amLAX - BFS
3 stops27h 50mMultiple Airlines
Tue 2/36:30 amBFS - LAX
2 stops18h 35mMultiple Airlines
Deal found 12/13$924
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:35 amLAX - BFS
1 stop18h 35mMultiple Airlines
Wed 3/119:00 pmBFS - LAX
2 stops29h 05mMultiple Airlines
Deal found 12/14$1,071

Find flight deals from Riverside to Belfast Intl

Keep the following information in mind while searching for Riverside to Belfast Intl flight deals. Data was last updated December 15, 2025.

Round-trip from

$747
(Mytrip)

One-way from

$277
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,098
From Riverside to Belfast Intl
Search Deals
One-way flight from Riverside to Belfast Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($187 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to Belfast Intl 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 December 15, 2025.
Use the filters below to find and compare flights from Riverside to Belfast Intl Airport that are best for you.

Fly from

Riverside

Fly to

Belfast Intl

Route

Depart

Return

Price

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sun 1/11

8:20 am-8:20 pm

3 stops28h 00m

Belfast Intl

Sun 1/18

11:05 pm-3:00 pm

3 stops47h 55m

$895

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Tue 1/27

8:20 am-8:10 pm

3 stops27h 50m

Belfast Intl

Tue 2/3

6:30 am-5:05 pm

2 stops18h 35m

$924

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Wed 2/25

11:35 am-2:10 pm

1 stop18h 35m

Belfast Intl

Wed 3/11

9:00 pm-7:05 pm

2 stops29h 05m

$1,071

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Tue 1/27

7:00 am-6:50 pm

2 stops27h 50m

$277

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Fri 1/30

12:15 pm-12:00 pm

2 stops39h 45m

$277

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sat 1/31

7:00 am-7:25 am

2 stops40h 25m

$279

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Wed 1/28

7:00 am-7:25 am

2 stops40h 25m

$279

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sun 1/25

7:00 am-9:05 am

2 stops42h 05m

$279

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Thu 1/29

11:50 am-9:05 pm

3 stops25h 15m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Best time to book a flight from Riverside to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Riverside 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 Riverside to Belfast Intl Airport

What is the cheapest month to book a flight from Riverside to Belfast Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Riverside to Belfast Intl Airport (average of $602). Flying from Riverside to Belfast Intl Airport in June is currently the most expensive (average of $927). 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 R1V to BFS?

Find hourly flight availability from Riverside to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

When flying from Riverside to Belfast Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 13% versus a flight in the evening.

Reviews of airlines servicing Belfast Intl

Get insights into the airlines that provide service to Belfast Intl. 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 Belfast Intl. Reviews last updated December 15, 2025.
Get a feel of what it's like to fly with British Airways from Riverside to Belfast Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,575 reviews

Overall

6.7

Comfort

6.7

Entertainment

6.4

Food

6.4

Boarding

6.9

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,575 reviews
British Airways
6.7
Okay
7,575 reviews

Overall

6.7

Comfort

6.7

Entertainment

6.4

Food

6.4

Boarding

6.9

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

Find useful and relevant information for your journey from Riverside to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Riverside to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on Riverside to Belfast Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Riverside to Belfast Intl?

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

  • Can I find deals for business class flights from Riverside to Belfast Intl?

    Yes. Cheapflights offers flight deals from Riverside to Belfast Intl 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 Riverside to Belfast Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Riverside to Belfast Intl Airport (average of $602). Flying from Riverside to Belfast Intl Airport in June is currently the most expensive (average of $927). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Riverside to Belfast Intl

Discover the top airline that operate flights from Riverside to Belfast Intl. 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 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$645Average$895FlexibilityNo cancel feeOn-time70%

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