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$3,300+ Cheap flights from Champaign (CMI) 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Champaign to Portugal

Keep the following information in mind while searching for Champaign to Portugal flight deals. Data was last updated June 12, 2025.

Round-trip from

$3,300
(KAYAK)
From Champaign University-Willard to Portugal
Search Deals

Find flight deals from Champaign to Portugal

Cheapest flights from Champaign to Portugal
Explore the most affordable flight options available from Champaign to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This KAYAK deal was found by Cheapflights users on 6/10. 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 6/298:22 pmCMI - LIS
2 stops20h 43mBritish Airways
Wed 7/26:40 pmLIS - CMI
2 stops31h 12mBritish Airways
Deal found 6/10$3,300

Cheapflights Fare Finder

Customize your flight search to find flights from Champaign 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 June 12, 2025.
Use the filters below to find and compare flights from Champaign to Portugal that are best for you.

Fly from

Champaign

Fly to

Portugal

Route

Depart

Return

Price

ChampaignLisbon

CMI - LIS

CMILIS

Champaign University-Willard

Sun 6/29

8:22 pm-11:05 pm

2 stops20h 43m

Lisbon Humberto Delgado

Wed 7/2

6:40 pm-7:52 pm

2 stops31h 12m

$3,300

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Champaign to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Champaign 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 Champaign to Portugal

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal 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 Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, 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 Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated June 12, 2025.
British Airways
6.6
Okay
7,008 reviews

Boarding

6.8

Comfort

6.7

Entertainment

6.4

Overall

6.6

Food

6.3

Crew

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.
British Airways
6.6
Okay
7,008 reviews
British Airways
6.6
Okay
7,008 reviews

Boarding

6.8

Comfort

6.7

Entertainment

6.4

Overall

6.6

Food

6.3

Crew

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.

Related info for your journey

Find useful and relevant information for your journey from Champaign 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 Champaign to Portugal?

    Champaign University-Willard (CMI) is the airport you will fly out of if you book a flight from Champaign to Portugal. It is only a 11.3 mi journey to University-Willard (CMI) from Champaign’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Champaign 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 Champaign to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Champaign to Portugal (average of $612). Flying from Champaign to Portugal in June is currently the most expensive (average of $1,136). 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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Top airline flying from Champaign to Portugal

Discover the top airline that operate flights from Champaign to Portugal. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$881Average$1,718FlexibilityNo cancel feeOn-time70%

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