How popular is this Riverside to Lisbon flight route?

Within the past month, 46 users have taken a look at flights from Riverside to Lisbon Humberto Delgado.

How long is the flight from Riverside to Lisbon?

British Airways, Delta, and United Airlines can get you from Riverside to Lisbon in just under 16h 49m. Your travel time can differ by up to 12h 06m. The distance between Riverside and Lisbon is about 5674 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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.

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).

What are the cheapest flights from Riverside to Lisbon?

The cheapest flight price from Riverside to Lisbon is $184. On average you can expect to pay $1,333. The most popular route, (Los Angeles - Lisbon Humberto Delgado), can usually be booked for $461.

What are the most popular airlines that fly from Riverside to Lisbon?

LEVEL, American Airlines and Air Canada are the most popular airlines when flying from Riverside to Lisbon.

How far in advance should I book a flight from Riverside to Lisbon?

Travelers have found it’s best to book a flight 53 days in advance to save up to 43% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Riverside to Lisbon 1-2 weeks in advance for as low as $822, or $1,010 for flights within the next 24 hours.

What is the cheapest month to fly from Riverside to Lisbon?

February is one of the best times of the year to fly to Lisbon from Riverside. Prices for February average $902 per person but you can even find prices for as low as $469. The most expensive prices can be found in the month of December. Opting for a February flight can save you 34% on your journey compared to booking in December

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. 18 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.

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.

$294+ Cheap Flights from Riverside to Lisbon

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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.

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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

Round-trip from	$541 (British Airways)
One-way from	$294 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$823

From Riverside to Lisbon Humberto Delgado

Search Deals

One-way flight from Riverside to Lisbon Humberto Delgado

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($86 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 September 15, 2025.

Wed 12/249:00 pmLAX - LIS

1 stop28h 55mBritish Airways

Tue 12/3012:55 pmLIS - LAX

1 stop32h 35mBritish Airways

Deal found 9/15

$541

Tue 12/308:45 amLAX - LIS

1 stop16h 10mMultiple Airlines

Sat 1/103:25 pmLIS - LAX

1 stop33h 10mMultiple Airlines

Deal found 9/14

$542

Thu 10/309:59 amLAX - LIS

2 stops18h 21mDelta

Thu 11/610:00 amLIS - LAX

1 stop18h 10mDelta

Deal found 9/14

$543

Sun 10/55:30 pmLAX - LIS

1 stop20h 20mMultiple Airlines

Tue 10/215:55 amLIS - LAX

1 stop18h 35mMultiple Airlines

Deal found 9/13

$544

Sun 11/301:19 amLAX - LIS

1 stop23h 46mBritish Airways

Thu 12/118:55 amLIS - LAX

1 stop17h 12mBritish Airways

Deal found 9/14

$545

Tue 12/27:10 pmLAX - LIS

1 stop32h 35mSWISS

Mon 12/82:20 pmLIS - LAX

2 stops34h 15mSWISS

Deal found 9/13

$546

Tue 10/2110:26 amLAX - LIS

2 stops16h 39mMultiple Airlines

Tue 10/282:10 pmLIS - LAX

1 stop33h 05mMultiple Airlines

Deal found 9/14

$547

Thu 11/66:00 pmLAX - LIS

1 stop16h 00mBritish Airways

Tue 11/117:05 amLIS - LAX

1 stop19h 25mBritish Airways

Deal found 9/14

$548

Thu 10/307:35 amLAX - LIS

2 stops19h 40mUnited Airlines

Thu 11/65:00 amLIS - LAX

1 stop16h 05mUnited Airlines

Deal found 9/13

$549

Sat 11/111:30 pmLAX - LIS

1 stop27h 45mMultiple Airlines

Sat 11/225:00 amLIS - LAX

1 stop16h 05mMultiple Airlines

Deal found 9/13

$550

Fri 11/76:30 amLAX - LIS

2 stops24h 20mBritish Airways

Wed 11/126:30 amLIS - LAX

1 stop18h 05mBritish Airways

Deal found 9/13

$551

Sat 10/1110:30 pmLAX - LIS

1 stop26h 50mMultiple Airlines

Thu 10/3012:35 pmLIS - LAX

1 stop36h 00mMultiple Airlines

Deal found 9/14

$552

Best flights from Riverside to Lisbon
Discover carefully curated flight deals from Riverside to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Wed 12/249:00 pmLAX - LIS

1 stop28h 55mBritish Airways

Tue 12/3012:55 pmLIS - LAX

1 stop32h 35mBritish Airways

Deal found 9/15

$541

Thu 10/307:35 amLAX - LIS

2 stops19h 40mUnited Airlines

Tue 11/115:00 amLIS - LAX

2 stops20h 46mUnited Airlines

Deal found 9/13

$554

Sat 3/141:45 pmLAX - LIS

2 stops19h 20mScandinavian Airlines

Sun 3/2911:55 pmLIS - LAX

2 stops44h 48mScandinavian Airlines

Deal found 9/12

$562

Mon 11/108:55 amLAX - LIS

2 stops18h 25mDelta

Mon 11/1711:25 amLIS - LAX

2 stops20h 41mDelta

Deal found 9/13

$562

Wed 1/712:30 amLAX - LIS

3 stops28h 50mMultiple Airlines

Mon 1/193:25 pmLIS - LAX

1 stop33h 10mMultiple Airlines

Deal found 9/14

$570

Wed 12/249:00 pmLAX - LIS

1 stop28h 55mBritish Airways

Tue 1/67:40 pmLIS - LAX

1 stop25h 50mBritish Airways

Deal found 9/13

$541

Sat 11/88:30 pmLAX - LIS

2 stops36h 00mScandinavian Airlines

Wed 11/197:00 amLIS - LAX

2 stops42h 00mScandinavian Airlines

Deal found 9/13

$562

Mon 12/156:55 amLAX - LIS

2 stops17h 15mUnited Airlines

Tue 12/235:00 amLIS - LAX

2 stops21h 45mUnited Airlines

Deal found 9/15

$570

Thu 12/1112:00 pmLAX - LIS

1 stop13h 05mMultiple Airlines

Fri 12/2611:05 amLIS - LAX

1 stop15h 32mMultiple Airlines

Deal found 9/15

$573

Fri 3/1310:00 pmLAX - LIS

1 stop17h 25mBritish Airways

Wed 3/1810:40 amLIS - LAX

1 stop15h 50mBritish Airways

Deal found 9/14

$548

Mon 9/2910:15 amLAX - LIS

2 stops16h 15mUnited Airlines

Wed 10/2911:55 amLIS - LAX

2 stops29h 13mUnited Airlines

Deal found 9/14

$571

Mon 3/98:15 amLAX - LIS

2 stops30h 15mMultiple Airlines

Sat 3/146:55 pmLIS - LAX

1 stop30h 05mMultiple Airlines

Deal found 9/13

$575

Last-minute flights from Riverside to Lisbon
Discover last-minute flight deals from Riverside to Lisbon. Data last updated September 15, 2025 and is based on user searches.

Sun 10/55:30 pmLAX - LIS

1 stop20h 20mMultiple Airlines

Tue 10/215:55 amLIS - LAX

1 stop18h 35mMultiple Airlines

Deal found 9/13

$544

Tue 10/75:30 pmLAX - LIS

2 stops17h 30mMultiple Airlines

Wed 10/156:15 amLIS - LAX

1 stop17h 00mMultiple Airlines

Deal found 9/15

$558

Sat 10/1110:30 pmLAX - LIS

1 stop26h 50mMultiple Airlines

Thu 10/3012:35 pmLIS - LAX

1 stop36h 00mMultiple Airlines

Deal found 9/14

$552

Sun 10/125:30 pmLAX - LIS

1 stop20h 20mLufthansa

Tue 10/282:10 pmLIS - LAX

1 stop33h 05mLufthansa

Deal found 9/13

$555

Sun 10/127:35 pmLAX - LIS

1 stop19h 45mMultiple Airlines

Thu 10/302:10 pmLIS - LAX

1 stop33h 05mMultiple Airlines

Deal found 9/14

$556

Mon 10/135:05 pmLAX - LIS

1 stop22h 05mBritish Airways

Thu 10/307:00 amLIS - LAX

1 stop16h 50mBritish Airways

Deal found 9/14

$541

Mon 10/137:35 pmLAX - LIS

1 stop19h 45mMultiple Airlines

Mon 10/207:55 pmLIS - LAX

2 stops27h 20mMultiple Airlines

Deal found 9/13

$551

Tue 10/146:00 amLAX - LIS

2 stops18h 50mDelta

Fri 10/315:30 amLIS - LAX

1 stop15h 40mDelta

Deal found 9/14

$553

Tue 10/2110:26 amLAX - LIS

2 stops16h 39mMultiple Airlines

Tue 10/282:10 pmLIS - LAX

1 stop33h 05mMultiple Airlines

Deal found 9/14

$547

Thu 10/309:59 amLAX - LIS

2 stops18h 21mDelta

Thu 11/610:00 amLIS - LAX

1 stop18h 10mDelta

Deal found 9/14

$543

Thu 10/307:35 amLAX - LIS

2 stops19h 40mUnited Airlines

Thu 11/65:00 amLIS - LAX

1 stop16h 05mUnited Airlines

Deal found 9/13

$549

Thu 10/309:59 amLAX - LIS

2 stops18h 21mDelta

Thu 11/135:30 amLIS - LAX

2 stops23h 00mDelta

Deal found 9/15

$554

One-way flights from Riverside to Lisbon
Search for one-way flight options from Riverside to Lisbon. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Thu 10/1611:40 amLAX - LIS

2 stops40h 50mMultiple Airlines

Deal found 9/14

$294

Tue 12/98:15 amLAX - LIS

2 stops15h 55mUnited Airlines

Deal found 9/14

$295

Wed 12/312:25 amLAX - LIS

2 stops23h 45mUnited Airlines

Deal found 9/14

$297

Sat 10/185:05 amLAX - LIS

2 stops22h 00mUnited Airlines

Deal found 9/15

$298

Mon 12/18:30 amLAX - LIS

1 stop16h 30mKLM

Deal found 9/15

$300

Sun 11/97:50 pmLAX - LIS

1 stop33h 30mLEVEL

Deal found 9/14

$301

Sat 10/256:00 amLAX - LIS

3 stops31h 15mMultiple Airlines

Deal found 9/14

$303

Mon 11/1012:55 amLAX - LIS

2 stops23h 15mUnited Airlines

Deal found 9/13

$304

Sun 10/195:05 amLAX - LIS

2 stops22h 00mUnited Airlines

Deal found 9/12

$305

Tue 9/307:00 amLAX - LIS

3 stops31h 30mMultiple Airlines

Deal found 9/12

$306

Thu 11/135:30 pmLAX - LIS

1 stop22h 00mLufthansa

Deal found 9/14

$307

Wed 10/87:45 pmLAX - LIS

2 stops18h 05mMultiple Airlines

Deal found 9/14

$308

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 12/24

9:00 pm-9:55 am

1 stop28h 55m

Lisbon Humberto Delgado

Tue 12/30

12:55 pm-1:30 pm

1 stop32h 35m

$541

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 12/24

9:00 pm-9:55 am

1 stop28h 55m

Lisbon Humberto Delgado

Tue 1/6

7:40 pm-1:30 pm

1 stop25h 50m

$541

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Fri 3/13

10:00 pm-10:25 pm

1 stop17h 25m

Lisbon Humberto Delgado

Wed 3/18

10:40 am-7:30 pm

1 stop15h 50m

$548

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Thu 10/30

7:35 am-10:15 am

2 stops19h 40m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-5:46 pm

2 stops20h 46m

$554

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Sat 3/14

1:45 pm-4:05 pm

2 stops19h 20m

Lisbon Humberto Delgado

Sun 3/29

11:55 pm-12:43 pm

2 stops44h 48m

$562

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Mon 11/10

8:55 am-11:20 am

2 stops18h 25m

Lisbon Humberto Delgado

Mon 11/17

11:25 am-12:06 am

2 stops20h 41m

$562

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Sat 11/8

8:30 pm-4:30 pm

2 stops36h 00m

Lisbon Humberto Delgado

Wed 11/19

7:00 am-5:00 pm

2 stops42h 00m

$562

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Wed 1/7

12:30 am-1:20 pm

3 stops28h 50m

Lisbon Humberto Delgado

Mon 1/19

3:25 pm-4:35 pm

1 stop33h 10m

$570

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Mon 12/15

6:55 am-8:10 am

2 stops17h 15m

Lisbon Humberto Delgado

Tue 12/23

5:00 am-6:45 pm

2 stops21h 45m

$570

Los AngelesLisbon

LAX - LIS

LAXLIS

Los Angeles

Mon 9/29

10:15 am-10:30 am

2 stops16h 15m

Lisbon Humberto Delgado

Wed 10/29

11:55 am-10:08 am

2 stops29h 13m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 19 results

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?

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 $1,127). 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?

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?

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.

Reviews of airlines servicing Lisbon

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.

Delta

8.0

Very good

7,956 reviews

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.

Delta

8.0

Very good

7,956 reviews

Delta

8.0

Very good

7,956 reviews

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.

United Airlines

7.4

Good

8,931 reviews

Delta

8.0

Very good

7,956 reviews

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.

Air Canada

7.1

Good

10,000 reviews

Delta

8.0

Very good

7,956 reviews

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.

TAP AIR PORTUGAL

7.1

Good

1,977 reviews

Delta

8.0

Very good

7,956 reviews

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.

British Airways

6.7

Okay

7,361 reviews

Delta

8.0

Very good

7,956 reviews

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

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. 18 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?
Within the past month, 46 users have taken a look at flights from Riverside to Lisbon Humberto Delgado.
How long is the flight from Riverside to Lisbon?
British Airways, Delta, and United Airlines can get you from Riverside to Lisbon in just under 16h 49m. Your travel time can differ by up to 12h 06m. 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 flights from Riverside to Lisbon?
The cheapest flight price from Riverside to Lisbon is $184. On average you can expect to pay $1,333. The most popular route, (Los Angeles - Lisbon Humberto Delgado), can usually be booked for $461.
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 $1,127). 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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Other flights to Lisbon

Top 10 airlines flying from Riverside to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
LEVEL	Cheapest$424	Average$602	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$486	Average$718	FlexibilityNo cancel fee	On-time77%
TAP AIR PORTUGAL	Cheapest$504	Average$973	FlexibilityNo cancel fee	On-timeN/A
SWISS	Cheapest$516	Average$787	FlexibilityNo cancel fee	On-time79%
Vueling	Cheapest$522	Average$670	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$540	Average$866	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$549	Average$705	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$560	Average$914	FlexibilityNo cancel fee	On-time75%
Virgin Atlantic	Cheapest$564	Average$849	FlexibilityNo cancel fee	On-time72%
United Airlines	Cheapest$568	Average$937	FlexibilityNo cancel fee	On-time69%

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$294+ 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 12/10. 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

2. Select your favorite providers

3. Compare prices and book

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 September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 September 15, 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 September 15, 2025.

Cheapflights Fare Finder

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

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 September 12, 2025.

What is the cheapest month to book a flight from Riverside to Lisbon?

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 September 15, 2025.

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.

Reviews of airlines servicing Lisbon

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.

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?

How popular is this Riverside to Lisbon flight route?

How long is the flight from Riverside to Lisbon?

What are the cheapest flights from Riverside to Lisbon?

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

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Alternative routes for Riverside to Lisbon

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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 September 15, 2025.