Lisbon

$373+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Apr 7 — Apr 141
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Riverside to Lisbon Humberto Delgado are usually found in February or March, booked 90 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 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$660
(Mytrip)

One-way from

$373
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$859
Provider with most accurate pricing for Los Angeles-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Lisbon Humberto Delgado flights.
From Riverside to Lisbon Humberto Delgado
One-way flight from Riverside to Lisbon Humberto Delgado
Highest demand for flights based on searches. 18% potential increase in price ($222 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Riverside to Lisbon

Cheapest flights from Riverside to Lisbon
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 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Mon 5/59:25 pmLAX - LIS
1 stop17h 40mMultiple Airlines
Wed 5/146:30 amLIS - LAX
1 stop20h 35mMultiple Airlines
Deal found 4/1$660
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Wed 11/58:20 pmLAX - LIS
2 stops29h 00mAir Canada
Wed 11/1911:00 amLIS - LAX
2 stops42h 32mAir Canada
Deal found 4/1$663
This Iberia deal was found by Cheapflights users on 4/1. 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.
Mon 9/227:50 pmLAX - LIS
1 stop17h 35mIberia
Tue 10/710:05 pmLIS - LAX
1 stop28h 00mIberia
Deal found 4/1$666
This Lufthansa deal was found by Cheapflights users on 4/1. 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.
Tue 10/145:30 pmLAX - LIS
1 stop20h 20mLufthansa
Tue 10/286:10 amLIS - LAX
1 stop17h 05mLufthansa
Deal found 4/1$679
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 4/29:10 amLAX - LIS
1 stop15h 55mAmerican Airlines
Wed 4/99:00 amLIS - LAX
1 stop15h 05mAmerican Airlines
Deal found 4/1$680
This Delta deal was found by Cheapflights users on 4/1. 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.
Sat 10/2510:25 amLAX - LIS
1 stop15h 35mDelta
Sun 11/25:30 amLIS - LAX
2 stops20h 16mDelta
Deal found 4/1$684
This SWISS deal was found by Cheapflights users on 4/1. 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.
Sun 11/237:10 pmLAX - LIS
2 stops33h 35mSWISS
Sun 11/301:35 pmLIS - LAX
2 stops58h 55mSWISS
Deal found 4/1$688
This British Airways deal was found by Cheapflights users on 4/1. 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.
Wed 10/228:05 pmLAX - LIS
1 stop19h 05mBritish Airways
Fri 10/316:45 pmLIS - LAX
1 stop26h 45mBritish Airways
Deal found 4/1$710
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:05 pmLAX - LIS
1 stop13h 15mUnited Airlines
Fri 10/3110:15 amLIS - LAX
2 stops19h 39mUnited Airlines
Deal found 4/1$715
This oojo deal was found by Cheapflights users on 4/1. 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.
Wed 8/277:55 pmLAX - LIS
1 stop35h 35mTurkish Airlines
Fri 9/54:30 pmLIS - LAX
1 stop33h 30mTurkish Airlines
Deal found 4/1$736
This Priceline deal was found by Cheapflights users on 3/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/284:40 pmLAX - LIS
Nonstop11h 05mTAP AIR PORTUGAL
Sun 10/59:55 amLIS - LAX
Nonstop12h 30mTAP AIR PORTUGAL
Deal found 3/31$791

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 2, 2025.
Use the filters below to find and compare flights from Riverside to Lisbon that are best for you.

Fly from

Riverside

Fly to

Lisbon

Route

Depart

Return

Price

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Mon 5/5

9:25 pm-11:05 pm

1 stop17h 40m

Lisbon Humberto Delgado

Wed 5/14

6:30 am-7:05 pm

1 stop20h 35m

$660

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Mon 5/12

7:55 pm-9:25 pm

1 stop17h 30m

Lisbon Humberto Delgado

Wed 5/21

9:15 pm-6:10 pm

1 stop28h 55m

$699

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 5/7

8:25 am-8:20 am

1 stop15h 55m

Lisbon Humberto Delgado

Thu 5/15

11:25 am-7:50 pm

1 stop16h 25m

$802

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 5/6

6:00 am-8:00 am

2 stops18h 00m

Lisbon Humberto Delgado

Thu 5/22

11:40 am-11:50 am

1 stop32h 10m

$813

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 4/23

7:35 pm-11:20 pm

1 stop19h 45m

Lisbon Humberto Delgado

Wed 4/30

5:55 am-4:30 pm

1 stop18h 35m

$816

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Thu 5/15

8:15 pm-9:35 pm

1 stop17h 20m

Lisbon Humberto Delgado

Sun 5/25

10:15 pm-6:25 pm

1 stop28h 10m

$818

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Mon 6/16

11:10 pm-5:55 am

1 stop22h 45m

$373

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Sat 5/17

9:05 pm-8:30 am

1 stop27h 25m

$391

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Mon 4/7

8:55 pm-9:25 pm

1 stop16h 30m

$412

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 5/13

7:30 pm-9:05 am

1 stop29h 35m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 18 results
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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.
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 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 March 28, 2025.

Booking 90 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 $1,203). 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 2, 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 2, 2025.
Get a feel of what it's like to fly with Delta, Air Transat and SWISS 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.
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
  • What airport do you fly into for flights to Lisbon from Riverside?

    Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly into when you book flights from Riverside to Lisbon. 19 airlines have flights to Humberto Delgado from Riverside on a regular basis. Booking flights from Riverside to Lisbon Humberto Delgado should not be difficult; the airport handles an average of 0 inbound flights from Riverside per day.

  • How popular is this Riverside to Lisbon flight route?

  • What are the cheapest airlines to fly from Riverside to Lisbon one-way?

    One-way options have recently been found by users for as low as $391 on Vueling. Other airlines that offer cheap prices include Iberia from $412 and Scandinavian Airlines from $462 one-way.

  • What are the cheapest flights from Riverside to Lisbon?

    The cheapest flight price from Riverside to Lisbon is $235. On average you can expect to pay $1,793. The most popular route, (Los Angeles - Lisbon Humberto Delgado), can usually be booked for $566.

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

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

  • How can I find direct flights from Riverside to Lisbon?

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

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

    Yes. Cheapflights offers flight deals from Riverside to Lisbon 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 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 $1,203). 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

Traveling to a place near Riverside?

Book flights to Riverside if you plan to visit one of these locations
Sintra
Almada
Beja
Costa da Caparica
Nazaré
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

Browse thousands of different options on Cheapflights for your next trip

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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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$439Average$675FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$513Average$713FlexibilityNo cancel feeOn-time88%
SWISSCheapest$537Average$883FlexibilityNo cancel feeOn-time79%
DeltaCheapest$540Average$1,048FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$540Average$926FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$569Average$720FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$607Average$906FlexibilityNo cancel feeOn-time72%
IberiaCheapest$616Average$949FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$617Average$1,074FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$618Average$1,051FlexibilityNo cancel feeOn-time71%

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