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Belfast Intl

$329+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Round-trip from

$860
(Mytrip)

One-way from

$329
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$633
From Riverside to Belfast Intl
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One-way flight from Riverside to Belfast Intl
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Highest demand for flights based on searches. 19% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Riverside to Belfast Intl

Cheapest flights from Riverside to Belfast Intl
Explore the most affordable flight options available from Riverside to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/28. 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.
Fri 12/128:15 pmLAX - BFS
2 stops17h 45mMultiple Airlines
Fri 12/199:00 pmBFS - LAX
2 stops29h 30mMultiple Airlines
Deal found 10/28$860
This eDestinos deal was found by Cheapflights users on 10/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:10 pmLAX - BFS
2 stops18h 40mMultiple Airlines
Fri 1/28:05 amBFS - LAX
2 stops44h 10mMultiple Airlines
Deal found 10/30$1,570

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 October 30, 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

Fri 12/12

8:15 pm-10:00 pm

2 stops17h 45m

Belfast Intl

Fri 12/19

9:00 pm-6:30 pm

2 stops29h 30m

$860

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Tue 12/23

7:10 pm-9:50 pm

2 stops18h 40m

Belfast Intl

Fri 1/2

8:05 am-8:15 pm

2 stops44h 10m

$1,570

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Sat 11/15

7:00 pm-10:05 am

3 stops31h 05m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 October 30, 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 in the evening, which can drop the price by up to 16% versus a flight at noon.

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 October 30, 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
7,487 reviews

Overall

6.7

Boarding

6.9

Entertainment

6.4

Crew

7.6

Comfort

6.7

Food

6.3

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
7,487 reviews
British Airways
6.7
Okay
7,487 reviews

Overall

6.7

Boarding

6.9

Entertainment

6.4

Crew

7.6

Comfort

6.7

Food

6.3

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

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$645Average$905FlexibilityNo cancel feeOn-time70%

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