Lisbon

$292+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LIS
Mar 1 — Mar 81
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Cheapflights Tip: The best prices from Riverside to Lisbon Humberto Delgado are usually found in January or February, booked 87 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap 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 January 30, 2026.

This Mytrip deal was found by Cheapflights users on 1/28. 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.
Wed 1/287:10 pm
LAX
-
LIS
1 stop32h 05m
SWISS
Mon 2/23:25 pm
LIS
-
LAX
1 stop33h 10m
SWISS
Deal found 1/28$487
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/38:20 am
LAX
-
LIS
1 stop15h 50m
United Airlines
Fri 2/136:10 am
LIS
-
LAX
1 stop17h 05m
United Airlines
Deal found 1/28$488
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:30 pm
LAX
-
LIS
1 stop21h 15m
United Airlines
Wed 4/225:05 am
LIS
-
LAX
1 stop16h 05m
United Airlines
Deal found 1/28$489
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/212:40 am
LAX
-
LIS
3 stops23h 30m
United Airlines
Thu 2/125:00 am
LIS
-
LAX
1 stop16h 05m
United Airlines
Deal found 1/28$490
This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/15:30 pm
LAX
-
LIS
1 stop22h 00m
Lufthansa
Tue 2/106:10 am
LIS
-
LAX
1 stop17h 05m
Lufthansa
Deal found 1/28$491
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Tue 2/35:50 am
LAX
-
LIS
3 stops18h 20m
United Airlines
Tue 2/106:10 am
LIS
-
LAX
1 stop17h 05m
United Airlines
Deal found 1/29$492
This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:10 pm
LAX
-
LIS
1 stop35h 25m
SWISS
Mon 2/93:25 pm
LIS
-
LAX
1 stop33h 10m
SWISS
Deal found 1/28$493
This KLM deal was found by Cheapflights users on 1/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:10 am
LAX
-
LIS
1 stop15h 50m
Multiple Airlines
Wed 5/65:35 am
LIS
-
LAX
1 stop21h 00m
Multiple Airlines
Deal found 1/28$494
This oojo deal was found by Cheapflights users on 1/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:10 pm
LAX
-
LIS
1 stop32h 35m
SWISS
Tue 2/2412:35 pm
LIS
-
LAX
1 stop36h 00m
SWISS
Deal found 1/30$495
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:05 am
LAX
-
LIS
2 stops19h 05m
United Airlines
Tue 3/175:00 am
LIS
-
LAX
1 stop16h 05m
United Airlines
Deal found 1/28$496
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:20 pm
LAX
-
LIS
2 stops25h 00m
United Airlines
Wed 4/225:05 am
LIS
-
LAX
1 stop16h 05m
United Airlines
Deal found 1/30$497
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 2/48:50 am
LAX
-
LIS
2 stops15h 20m
United Airlines
Wed 2/116:10 am
LIS
-
LAX
2 stops19h 15m
United Airlines
Deal found 1/27$498

Find flight deals from Riverside to Lisbon

Keep the following information in mind while searching for Riverside to Lisbon flight deals. Data was last updated January 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$487
(Delta)

One-way from

$292
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$591
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. 22% potential increase in price ($231 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 30, 2026.
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

Wed 4/8

6:00 am-8:00 am

1 stop18h 00m

Lisbon Humberto Delgado

Wed 4/15

5:00 am-11:50 am

1 stop14h 50m

$488

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 4/29

8:10 am-8:00 am

1 stop15h 50m

Lisbon Humberto Delgado

Wed 5/6

5:35 am-6:35 pm

1 stop21h 00m

$494

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 4/14

10:35 am-2:35 pm

2 stops20h 00m

Lisbon Humberto Delgado

Tue 4/21

5:00 am-11:50 am

1 stop14h 50m

$498

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 3/10

7:45 am-9:00 am

1 stop18h 15m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-9:07 pm

2 stops23h 07m

$499

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Thu 2/26

5:05 am-10:15 am

2 stops21h 10m

Lisbon Humberto Delgado

Thu 3/5

5:00 am-10:24 pm

2 stops25h 24m

$500

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 3/4

5:30 pm-11:30 pm

1 stop22h 00m

Lisbon Humberto Delgado

Mon 3/9

6:10 am-11:59 pm

2 stops24h 49m

$501

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Mon 4/13

7:35 pm-11:25 pm

1 stop19h 50m

Lisbon Humberto Delgado

Tue 4/21

5:55 am-8:25 pm

2 stops22h 30m

$504

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Fri 2/27

9:53 am-2:35 pm

2 stops20h 42m

Lisbon Humberto Delgado

Fri 3/6

5:30 am-6:35 pm

1 stop21h 05m

$505

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Tue 3/3

8:30 am-8:10 am

1 stop15h 40m

Lisbon Humberto Delgado

Sun 3/8

11:55 am-1:09 am

1 stop20h 14m

$508

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 4/29

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Fri 5/8

10:00 am-6:43 pm

1 stop16h 43m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 20 results
1
2

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 January 23, 2026.

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 $436). Flying from Riverside to Lisbon in June is currently the most expensive (average of $713). 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.

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 January 30, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and Air Canada from Riverside to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

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.

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

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.

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

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.

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

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.

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

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.

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

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. 17 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?

  • How long is the flight from Riverside to Lisbon?

    Delta and United Airlines can get you from Riverside to Lisbon in just under 15h 50m. Your travel time can differ by up to 5h 25m. The distance between Riverside and Lisbon is about 5674 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $225 on LEVEL. Other airlines that offer cheap prices include Iberia from $254 and SWISS from $264 one-way.

  • What are the cheapest flights from Riverside to Lisbon?

    The cheapest flight price from Riverside to Lisbon is $238. On average you can expect to pay $1,491. The most popular route, (Los Angeles - Lisbon Humberto Delgado), can usually be booked for $443.

  • 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 $436). Flying from Riverside to Lisbon in June is currently the most expensive (average of $713). 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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Oeiras
Ericeira
Beja
Costa da Caparica
Torres Vedras
Nazaré
Sesimbra
Colares

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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 January 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$262Average$632FlexibilityNo cancel feeOn-time79%
LEVELCheapest$339Average$634FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$358Average$676FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$385Average$563FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$437Average$708FlexibilityNo cancel feeOn-time76%
VuelingCheapest$452Average$891FlexibilityNo cancel feeOn-time88%
DeltaCheapest$491Average$867FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$501Average$918FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$505Average$742FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$509Average$763FlexibilityNo cancel feeOn-time70%

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