$300+ Cheap flights from Irvine, CA to Porto (OPO)
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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Irvine to Porto 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.The best prices from Irvine to Porto are usually found in February or October, booked 85 days in advance, depart on a Wednesday or Sunday and return on a Tuesday
Cheap flight deals from Irvine to Porto
Keep the following information in mind while searching for Irvine to Porto flight deals. Data was last updated February 22, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $604 (Kiwi.com) |
One-way from | $300 (Kiwi.com) |
Popular in | May |
Cheapest in | February |
Average price | $662 |
Find flight deals from Irvine to Porto
Cheapest flights from Irvine to PortoExplore the most affordable flight options available from Irvine to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.
Explore the most affordable flight options available from Irvine to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
This KLM deal was found by Cheapflights users on 2/22. 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.
This Booking.com deal was found by Cheapflights users on 2/22. 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 Booking.com 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 2/22. 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 United deal was found by Cheapflights users on 2/22. 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.
This Lufthansa deal was found by Cheapflights users on 2/22. 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 British Airways deal was found by Cheapflights users on 2/22. 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 Brussels Airlines deal was found by Cheapflights users on 2/22. 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 Brussels Airlines 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 2/22. 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 American Airlines deal was found by Cheapflights users on 2/21. 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 Iberia deal was found by Cheapflights users on 2/21. 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.
Find flights from Irvine to Porto within your budget
Customize your flight search to find flights from Irvine to Porto 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 February 22, 2025.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesPorto
LAX - OPO
LAXOPO
Los Angeles
Fri 5/9
9:20 pm-10:35 pm
1 stop17h 15m
Porto
Sun 5/18
7:00 am-2:25 pm
1 stop15h 25m
Los AngelesPorto
LAX - OPO
LAXOPO
Los Angeles
Tue 3/25
8:10 pm-6:30 pm
1 stop15h 20m
Porto
Tue 4/8
8:40 am-4:30 pm
1 stop15h 50m
Los AngelesPorto
LAX - OPO
LAXOPO
Los Angeles
Mon 3/17
2:45 pm-10:45 am
1 stop37h 00m
Porto
Sun 3/23
10:55 am-12:45 pm
1 stop32h 50m
Los AngelesPorto
LAX - OPO
LAXOPO
Los Angeles
Tue 3/25
8:30 am-11:15 am
2 stops19h 45m
Porto
Tue 4/1
6:00 am-10:24 am
2 stops36h 24m
Los AngelesPorto
LAX - OPO
LAXOPO
Los Angeles
Mon 3/17
11:40 am-3:25 pm
2 stops20h 45m
Porto
Sun 3/23
5:00 am-7:20 pm
2 stops21h 20m
Los AngelesPorto
LAX - OPO
LAXOPO
Los Angeles
Sat 3/29
4:16 pm-2:40 pm
2 stops39h 24m
Porto
Mon 4/7
12:10 pm-1:00 pm
1 stop32h 50m
Los AngelesPorto
LAX - OPO
LAXOPO
Los Angeles
Wed 3/26
6:30 pm-11:35 pm
1 stop22h 05m
Porto
Tue 4/8
4:35 pm-3:15 pm
2 stops30h 40m
Los AngelesPorto
LAX - OPO
LAXOPO
Los Angeles
Mon 3/24
9:55 pm-5:40 pm
1 stop36h 45m
Porto
Sun 4/6
9:20 pm-5:35 pm
1 stop28h 15m
Los AngelesPorto
LAX - OPO
LAXOPO
Los Angeles
Sun 3/16
6:30 pm-12:05 pm
2 stops34h 35m
Porto
Sun 3/23
12:55 pm-4:15 pm
2 stops58h 20m
Los AngelesPorto
LAX - OPO
LAXOPO
Los Angeles
Mon 4/7
7:30 pm-11:00 am
1 stop31h 30m
Porto
Mon 4/14
12:00 pm-4:20 pm
1 stop36h 20m
Best time to book a flight from Irvine to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Irvine with our price prediction graph.
Travel insights for flights from Irvine to Porto
Get recent, data-driven insights about flights from Irvine to Porto including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Irvine to Porto?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Porto. Price data was last updated on February 14, 2025.
Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Irvine to Porto. 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 Irvine to Porto?
Currently, January is the cheapest month in which you can book a flight from Irvine to Porto (average of $523). Flying from Irvine to Porto in June is currently the most expensive (average of $1,092). 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 IR9 to OPO?
Find hourly flight availability from Irvine to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.
When flying from Irvine to Porto, 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 Irvine to Porto?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Porto. Price data was last updated on October 13, 2024.
Travelers seeking maximum savings on their Irvine to Porto flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in Porto by month
Plan your trip to Porto by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.
Temperature in Porto by month
Plan your trip to Porto by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated February 22, 2025.
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Irvine to Porto. 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 Irvine to Porto
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Irvine to Porto
Discover the top 10 airlines that operate flights from Irvine to Porto. 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 February 22, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$435 | Average$587 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$502 | Average$846 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$550 | Average$899 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$596 | Average$1,020 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$643 | Average$954 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$682 | Average$1,074 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$690 | Average$980 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$697 | Average$980 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$735 | Average$825 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$737 | Average$1,058 | FlexibilityNo cancel fee | On-time77% |