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Portugal

$836+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LIS
out 22 — out 291
qua 10/22
qua 10/29
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 setembro 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$836
(American Airlines)
Provider with most accurate pricing for Champaign University-Willard-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Champaign University-Willard-Lisbon Humberto Delgado flights.
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From Champaign University-Willard to Portugal
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Find flight deals from Champaign to Portugal

Best flights from Champaign to Portugal
Discover carefully curated flight deals from Champaign to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated setembro 22, 2025.

This American Airlines deal was found by Cheapflights users on 9/20. 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.
qua 3/41:20 pmCMI - LIS
2 stops26h 30mAmerican Airlines
dom 3/810:40 amLIS - CMI
2 stops39h 47mAmerican Airlines
Deal found 9/20$836

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 setembro 22, 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

qua 3/4

1:20 pm-9:50 pm

2 stops26h 30m

Lisbon Humberto Delgado

dom 3/8

10:40 am-9:27 pm

2 stops39h 47m

$836

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/20

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
No data available for this route at this time. Please check back soon.

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 setembro 22, 2025.
Get a feel of what it's like to fly with British Airways from Champaign to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,386 reviews

Comfort

6.7

Overall

6.7

Entertainment

6.4

Boarding

6.9

Food

6.3

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,386 reviews
British Airways
6.7
Okay
7,386 reviews

Comfort

6.7

Overall

6.7

Entertainment

6.4

Boarding

6.9

Food

6.3

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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.

  • How long is the flight from Champaign to Portugal?

    Airlines like American Airlines fly from Champaign to Portugal in about 26h 30m. The time it takes to get you to your destination can typically vary by up to . There are 4072 mi between Champaign and Portugal.

  • 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 $1,126). 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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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 setembro 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$881Average$1,718FlexibilityNo cancel feeOn-time70%

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