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Portugal

$367+ Cheap flights from South Bend (SBN) to Portugal

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — LIS
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find flight deals from South Bend to Portugal

Cheapest flights from South Bend to Portugal
Explore the most affordable flight options available from South Bend to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

This United Airlines deal was found by Cheapflights users on 11/18. 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.
Sat 12/69:10 amSBN - LIS
2 stops18h 45mUnited Airlines
Wed 12/1011:00 amLIS - SBN
2 stops38h 41mUnited Airlines
Deal found 11/18$763

Cheap flight deals from South Bend to Portugal

Keep the following information in mind while searching for South Bend to Portugal flight deals. Data was last updated November 21, 2025.

Round-trip from

$489
(United Airlines)

One-way from

$367
(United Airlines)
From South Bend/Michiana to Portugal
Search Deals
One-way flight from South Bend/Michiana to Portugal
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Bend 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 November 21, 2025.
Use the filters below to find and compare flights from South Bend to Portugal that are best for you.

Fly from

South Bend

Fly to

Portugal

Route

Depart

Return

Price

South BendLisbon

SBN - LIS

SBNLIS

South Bend/Michiana

Wed 2/4

10:00 am-7:55 am

2 stops40h 55m

Lisbon Humberto Delgado

Sun 2/8

10:50 am-12:44 pm

2 stops30h 54m

$489

South BendLisbon

SBN - LIS

SBNLIS

South Bend/Michiana

Tue 3/10

9:55 am-10:15 am

1 stop20h 20m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-11:23 pm

2 stops22h 23m

$492

South BendLisbon

SBN - LIS

SBNLIS

South Bend/Michiana

Wed 3/4

9:45 am-10:15 am

1 stop19h 30m

Lisbon Humberto Delgado

Fri 3/13

5:00 am-9:39 pm

2 stops20h 39m

$492

South BendLisbon

SBN - LIS

SBNLIS

South Bend/Michiana

Wed 3/4

3:26 pm-10:15 am

2 stops13h 49m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-9:39 pm

2 stops20h 39m

$496

South BendLisbon

SBN - LIS

SBNLIS

South Bend/Michiana

Wed 3/4

3:26 pm-10:15 am

2 stops13h 49m

Lisbon Humberto Delgado

Mon 3/16

5:00 am-7:48 pm

2 stops18h 48m

$496

South BendLisbon

SBN - LIS

SBNLIS

South Bend/Michiana

Wed 3/4

4:39 pm-10:15 am

2 stops12h 36m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-11:23 pm

2 stops22h 23m

$496

South BendLisbon

SBN - LIS

SBNLIS

South Bend/Michiana

Mon 3/9

1:13 pm-8:10 am

2 stops14h 57m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-7:48 pm

2 stops18h 48m

$496

South BendLisbon

SBN - LIS

SBNLIS

South Bend/Michiana

Wed 3/4

2:05 pm-11:20 am

2 stops16h 15m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-10:28 pm

2 stops21h 28m

$500

South BendLisbon

SBN - LIS

SBNLIS

South Bend/Michiana

Wed 3/4

9:45 am-10:15 am

1 stop19h 30m

Lisbon Humberto Delgado

Thu 3/12

11:55 am-8:42 pm

1 stop12h 47m

$506

South BendLisbon

SBN - LIS

SBNLIS

South Bend/Michiana

Wed 1/7

1:19 pm-8:10 am

2 stops13h 51m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 19 results
1
2

Best time to book a flight from South Bend to Portugal

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

What is the cheapest month to book a flight from South Bend to Portugal?

Currently, December is the cheapest month in which you can book a flight from South Bend to Portugal (average of $411). Flying from South Bend to Portugal in June is currently the most expensive (average of $695). 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.

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 November 21, 2025.
Read reviews from past customers who have flown United Airlines from South Bend to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,029 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,029 reviews
United Airlines
7.4
Good
9,029 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

    South Bend/Michiana (SBN) is the airport you will fly out of if you book a flight from South Bend to Portugal. It is only a 3.4 mi journey to South Bend/Michiana (SBN) from South Bend’s city center.

  • How long is the flight from South Bend to Portugal?

    Airlines like United Airlines fly from South Bend to Portugal in about 40h 55m. The time it takes to get you to your destination can typically vary by up to . The distance from South Bend to Portugal is about 3930 mi.

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

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

  • How can I find direct flights from South Bend to Portugal?

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

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

    Yes. Cheapflights offers flight deals from South Bend 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 South Bend to Portugal?

    Currently, December is the cheapest month in which you can book a flight from South Bend to Portugal (average of $411). Flying from South Bend to Portugal in June is currently the most expensive (average of $695). 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 South Bend to Portugal

Discover the top airline that operate flights from South Bend 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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$725Average$1,250FlexibilityNo cancel feeOn-time69%

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