
Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Reykjavik–Keflavik Intl. Airport (KEF)
- United
United
- Alaska Airlines
Alaska Airlines
- British Airways
British Airways
- American Airlines
American Airlines
- Delta
Delta
- KLM
KLM
- Air Canada
Air Canada
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 30% on select hotels after you book a flight*one key icon
Cheap Flights from Ontario to Reykjavik (ONT-KEF)
Prices were available within the past 7 days and start at $474 for one-way flights and $606 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Ontario (ONT) to Reykjavik (KEF)
August is typically the cheapest month to fly
Graph displaying average flight prices per month
Alternative airports near Reykjavik
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | Los Angeles - Ontario Intl. |
Destination airport | Keflavik Intl. |
Airlines serving | Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Delta, KLM, United, Virgin Atlantic |
Roundtrip price | $605 |
Distance | 4272 mi |
Ontario to Reykjavik Flights
The cheapest times to fly from Ontario to Reykjavik
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Reykjavik are during the month of January. You can find some of the cheapest flights from Ontario to Reykjavik with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Ontario to Reykjavik
Sunday is one of the best days to book for cheap flights from Ontario to Reykjavik: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Ontario to Reykjavik
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Reykjavik in 2025. You can also book with separate airlines for your outbound and return journeys, from $474 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Reykjavik flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Reykjavik airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Trending Flights
- Top Flights Destinations
- Airlines Operating
- Nearby Airports
- Flights From Other Airports
- Expedia's Latest Trends
Top Routes from Ontario
- Ontario to Phoenix (ONT - PHX)
- Ontario to Portland (ONT - PDX)
- Ontario to Honolulu (ONT - HNL)
- Ontario to Denver (ONT - DEN)
- Ontario to San José del Cabo (ONT - SJD)
- Ontario to Barcelona (ONT - BCN)
- Ontario to New York (ONT - JFK)
- Ontario to Seattle (ONT - SEA)
- Ontario to Guadalajara (ONT - GDL)
- Ontario to Dallas (ONT - DAL)
- Ontario to Madrid (ONT - MAD)
- Ontario to Rome (ONT - FCO)
Top Routes to Reykjavik
- Chicago to Reykjavik (ORD - KEF)
- Newark Liberty Intl. Airport to Reykjavik (EWR - KEF)
- Raleigh to Reykjavik (RDU - KEF)
- Washington to Reykjavik (DCA - KEF)
- Newburgh to Reykjavik (SWF - KEF)
- Detroit to Reykjavik (DTW - KEF)
- Boston to Reykjavik (BOS - KEF)
- New York to Reykjavik (LGA - KEF)
- Minneapolis to Reykjavik (MSP - KEF)
- Denver to Reykjavik (DEN - KEF)
- Washington to Reykjavik (IAD - KEF)
- New York to Reykjavik (JFK - KEF)
Top Routes from Ontario
- Alaska Airlines Ontario to Portland
- Alaska Airlines Ontario to Honolulu
- Frontier Airlines Ontario to Denver
- JetBlue Airways Ontario to New York
- Alaska Airlines Ontario to Seattle
- Volaris Ontario to Guadalajara
- Frontier Airlines Ontario to Dallas
- American Airlines Ontario to Nashville
- American Airlines Ontario to Orlando
Top Flight Destinations
- Flights to Reykjavik
- Flights to Vik I Myrdal
- Flights to Selfoss
- Flights to Höfn
- Flights to Akureyri
- Flights to Rangárþing ytra
- Flights to Rangárþing eystra
- Flights to Grindavik
- Flights to Kirkjubaejarklaustur
- Flights to Egilsstaðir
- Flights to Bláskógabyggd
- Flights to Borgarnes
- Flights to Reykjanesbær
- Flights to Kópavogur
- Flights to Myvatn
- Flights to Fagurholsmyri
- Flights to Suðurnesjabær
- Flights to Reynivellir
- Flights to Husavik
- Flights to Sveitarfélagid Ölfus
Los Angeles
Orange County
Burbank
Long Beach
Nearby Airports
- San Bernardino Intl. Airport (SBD)
- Fullerton Municipal Airport (FUL)
- John Wayne Airport (SNA)
- Long Beach Municipal Airport (LGB)
- French Valley Airport (RBK)
- Hawthorne Municipal Airport (HHR)
- Hollywood Burbank Airport (BUR)
- Los Angeles Intl. Airport (LAX)
- General William J. Fox Airfield Airport (WJF)
- Palmdale Regional Airport (PMD)
Expedia's Latest Trends
- Flights from Los Angeles to Tokyo
- Flights from Los Angeles to Seattle
- Flights from Dallas to Los Angeles
- Flights from San Francisco to Los Angeles
- Flights from Los Angeles to Chicago
- Flights from Los Angeles to Seoul
- Flights from Houston to Los Angeles
- Flights from San Francisco to Tokyo
- Flights from Los Angeles to Cancun
- Flights from San Francisco to New York
- Flights from Los Angeles to San Francisco
- Flights from Los Angeles to Honolulu
- Flights from Los Angeles to Paris
- Flights from San Francisco to Las Vegas
- Flights from Boston to Los Angeles
- Flights from San Francisco to Honolulu
- Flights from Los Angeles to Rome
- Flights from Las Vegas to Los Angeles
- Flights from Atlanta to Los Angeles
- Flights from Los Angeles to Bangkok
- Flights from Los Angeles to Las Vegas
- Flights from Los Angeles to Manila
- Flights from Chicago to Los Angeles
- Flights from Los Angeles to New York
- Flights from Los Angeles to London
- Flights from New York to San Francisco
- Flights from Los Angeles to Miami
- Flights from Los Angeles to Dallas
- Flights from New York to Los Angeles
- Flights from Seattle to Los Angeles