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$706+ Cheap flights from Springfield, IL (SPI) 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — LIS
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Cheap flight deals from Springfield to Portugal

Keep the following information in mind while searching for Springfield to Portugal flight deals. Data was last updated octubre 29, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$706
(American Airlines)
Provider with most accurate pricing for Springfield Capital-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Springfield Capital-Lisbon Humberto Delgado flights.
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From Springfield Capital to Portugal
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Find flight deals from Springfield to Portugal

Cheapest flights from Springfield to Portugal
Explore the most affordable flight options available from Springfield to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/26. 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.
jue. 12/113:32 pmSPI - LIS
2 stops20h 28mAmerican Airlines
jue. 12/188:55 amLIS - SPI
2 stops20h 30mAmerican Airlines
Deal found 10/26$706
This British Airways deal was found by Cheapflights users on 10/28. 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.
mié. 11/123:35 pmSPI - LIS
2 stops24h 15mBritish Airways
dom. 11/166:40 pmLIS - SPI
2 stops34h 35mBritish Airways
Deal found 10/28$1,067
This American Airlines deal was found by Cheapflights users on 10/28. 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.
sáb. 11/12:07 pmSPI - LIS
2 stops20h 58mAmerican Airlines
lun. 11/36:30 amLIS - SPI
2 stops22h 45mAmerican Airlines
Deal found 10/28$1,911

Cheapflights Fare Finder

 
Customize your flight search to find flights from Springfield 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 octubre 29, 2025.
Use the filters below to find and compare flights from Springfield to Portugal that are best for you.

Fly from

Springfield

Fly to

Portugal

Route

Depart

Return

Price

SpringfieldLisbon

SPI - LIS

SPILIS

Springfield Capital

jue. 12/11

3:32 pm-6:00 pm

2 stops20h 28m

Lisbon Humberto Delgado

jue. 12/18

8:55 am-11:25 pm

2 stops20h 30m

$706

SpringfieldLisbon

SPI - LIS

SPILIS

Springfield Capital

mié. 11/12

3:35 pm-9:50 pm

2 stops24h 15m

Lisbon Humberto Delgado

dom. 11/16

6:40 pm-11:15 pm

2 stops34h 35m

$1,067

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from Springfield to Portugal

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

What is the cheapest month to book a flight from Springfield, Illinois to Portugal?

Currently, November is the cheapest month in which you can book a flight from Springfield, Illinois to Portugal (average of $554). Flying from Springfield, Illinois to Portugal in June is currently the most expensive (average of $1,021). 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.

Related info for your journey

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

    Most people fly from Springfield Capital (SPI) if they book a flight from Springfield to Portugal. Springfield Capital is conveniently located just 3.4 mi from Springfield’s city center.

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

    Airlines like American Airlines and British Airways fly from Springfield, Illinois to Portugal in about 20h 28m. The time it takes to get you to your destination can typically vary by up to 3h 47m. The distance from Springfield, Illinois to Portugal is about 4144 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Springfield, Illinois to Portugal (average of $554). Flying from Springfield, Illinois to Portugal in June is currently the most expensive (average of $1,021). 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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