$365+ Cheap flights from Riverside, CA to Lisbon (LIS)
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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Riverside to Lisbon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Riverside to Lisbon Humberto Delgado are usually found in February or March, booked 87 days in advance, depart on a Thursday or Wednesday and return on a Monday
Cheap flight deals from Riverside to Lisbon
Keep the following information in mind while searching for Riverside to Lisbon flight deals. Data was last updated April 30, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $682 (Iberia) |
One-way from | $368 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $871 |
Find flight deals from Riverside to Lisbon
Cheapest flights from Riverside to LisbonExplore the most affordable flight options available from Riverside to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
Explore the most affordable flight options available from Riverside to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
This Iberia deal was found by Cheapflights users on 4/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SWISS deal was found by Cheapflights users on 4/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/29. 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.
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to Lisbon 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 30, 2025.
Use the filters below to find and compare flights from Riverside to Lisbon that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Sun 5/4
7:45 pm-10:30 pm
1 stop18h 45m
Lisbon Humberto Delgado
Sat 5/17
5:55 am-5:30 pm
1 stop19h 35m
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Mon 5/12
10:20 pm-9:20 am
1 stop27h 00m
Lisbon Humberto Delgado
Tue 5/20
11:25 am-1:02 pm
2 stops33h 37m
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Mon 5/12
10:20 pm-9:20 am
1 stop27h 00m
Lisbon Humberto Delgado
Fri 5/23
10:25 am-10:33 pm
2 stops20h 08m
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Wed 5/14
7:35 pm-11:20 pm
1 stop19h 45m
Lisbon Humberto Delgado
Thu 5/22
5:55 am-4:30 pm
1 stop18h 35m
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Mon 5/12
1:51 pm-5:50 pm
2 stops19h 59m
Lisbon Humberto Delgado
Wed 5/21
5:00 am-11:50 am
1 stop14h 50m
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Tue 6/17
5:50 pm-11:25 pm
1 stop21h 35m
Lisbon Humberto Delgado
Wed 7/2
6:35 am-4:05 pm
1 stop17h 30m
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Sun 6/22
1:08 am-9:05 am
1 stop23h 57m
Lisbon Humberto Delgado
Mon 8/18
6:45 pm-1:25 pm
1 stop26h 40m
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Mon 5/5
9:25 pm-8:20 pm
2 stops38h 55m
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Sat 5/10
9:05 pm-9:30 pm
1 stop16h 25m
Los AngelesLisbon
LAX - LIS
LAXLIS
Los Angeles
Fri 7/18
4:40 pm-11:45 am
Nonstop11h 05m
Best time to book a flight from Riverside to Lisbon
Have a flexible travel schedule? Discover the best time to fly to Lisbon from Riverside with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Riverside to Lisbon
How far ahead should I book a flight from Riverside to Lisbon?
Use this chart to determine the optimal time to book a round-trip flight from Riverside to Lisbon. Price data was last updated on April 25, 2025.
Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Riverside to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Riverside to Lisbon?
Currently, January is the cheapest month in which you can book a flight from Riverside to Lisbon (average of $612). Flying from Riverside to Lisbon in June is currently the most expensive (average of $1,178). 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 LIS?
Find hourly flight availability from Riverside to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.
When flying from Riverside to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What is the cheapest day to fly from Riverside to Lisbon?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Lisbon. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Riverside to Lisbon flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in Lisbon by month
Plan your trip to Lisbon by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.
Temperature in Lisbon by month
Plan your trip to Lisbon by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Lisbon, 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 51.8 F).
Reviews of airlines servicing Lisbon
Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated April 30, 2025.
Get a feel of what it's like to fly with Delta, Air Transat and Finnair from Riverside to Lisbon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Riverside to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Riverside to Lisbon
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Riverside to Lisbon
Discover the top 10 airlines that operate flights from Riverside to Lisbon. 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 April 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$428 | Average$618 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$509 | Average$676 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$537 | Average$887 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$540 | Average$1,038 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$540 | Average$926 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$566 | Average$719 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$568 | Average$999 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$596 | Average$915 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$598 | Average$993 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$607 | Average$906 | FlexibilityNo cancel fee | On-time72% |