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$777+ Cheap flights from Peoria, IL (PIA) to Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — LIS
Nov 5 — Nov 121
Wed 11/5
Wed 11/12
1 adult, Economy
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Cheap flight deals from Peoria to Portugal

Keep the following information in mind while searching for Peoria to Portugal flight deals. Data was last updated October 6, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$777
(United Airlines)
Provider with most accurate pricing for Greater Peoria-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-Lisbon Humberto Delgado flights.
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From Greater Peoria to Portugal
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Find flight deals from Peoria to Portugal

Cheapest flights from Peoria to Portugal
Explore the most affordable flight options available from Peoria to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2025.

This United Airlines deal was found by Cheapflights users on 10/3. 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 10/236:00 amPIA - LIS
2 stops21h 20mUnited Airlines
Sat 11/111:55 amLIS - PIA
2 stops28h 21mUnited Airlines
Deal found 10/3$777

Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to Portugal 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 October 6, 2025.
Use the filters below to find and compare flights from Peoria to Portugal that are best for you.

Fly from

Peoria

Fly to

Portugal

Route

Depart

Return

Price

PeoriaLisbon

PIA - LIS

PIALIS

Greater Peoria

Thu 10/23

6:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Sat 11/1

11:55 am-11:16 am

2 stops28h 21m

$777

PeoriaLisbon

PIA - LIS

PIALIS

Greater Peoria

Fri 3/27

5:20 pm-4:00 pm

2 stops17h 40m

Lisbon Humberto Delgado

Tue 3/31

7:30 am-8:46 pm

2 stops19h 16m

$859

PeoriaLisbon

PIA - LIS

PIALIS

Greater Peoria

Fri 3/27

5:20 pm-10:50 pm

2 stops24h 30m

Lisbon Humberto Delgado

Tue 3/31

6:15 am-8:46 pm

2 stops20h 31m

$1,010

PeoriaLisbon

PIA - LIS

PIALIS

Greater Peoria

Sat 3/28

4:52 pm-5:05 pm

2 stops19h 13m

Lisbon Humberto Delgado

Sat 4/4

7:10 am-9:25 pm

2 stops20h 15m

$5,539

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Best time to book a flight from Peoria to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Peoria 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 Peoria to Portugal
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Peoria to Portugal. 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 from for flights from Peoria to Portugal?

    For a flight from Peoria to Portugal, you will be flying from Greater Peoria. Greater Peoria (PIA) is just 6.0 mi from the center of the city.

  • How long is the flight from Peoria, Illinois to Portugal?

    For as low as $777, United Airlines can have you in Portugal from Peoria, Illinois in 21h 20m. Peoria, Illinois and Portugal are separated by a distance of 4120 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Peoria to Portugal that include hotel bookings?

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

  • How can I find direct flights from Peoria to Portugal?

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

  • Can I find deals for business class flights from Peoria to Portugal?

    Yes. Cheapflights offers flight deals from Peoria to Portugal 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 Peoria, Illinois to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Peoria, Illinois to Portugal (average of $612). Flying from Peoria, Illinois to Portugal in June is currently the most expensive (average of $1,126). 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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