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Portugal

$306+ Cheap flights from Missouri 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Aug 6 — Aug 131
Mi 8/6
Mi 8/13
1 adult, Economy
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Cheap flight deals from Missouri to Portugal

Keep the following information in mind while searching for Missouri to Portugal flight deals. Data was last updated August 1, 2025.

Round-trip from

$577
(Iberia)

One-way from

$306
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,069
From Missouri to Portugal
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One-way flight from Missouri to Portugal
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Highest demand for flights based on searches. 24% potential increase in price ($333 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Missouri to Portugal

Cheapest flights from Missouri to Portugal
Explore the most affordable flight options available from Missouri to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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.
Di 11/259:58 amMCI - LIS
2 stops17h 22mUnited Airlines
Mi 12/35:00 amLIS - MCI
2 stops22h 58mUnited Airlines
Deal found 7/30$572
This Iberia deal was found by Cheapflights users on 7/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 10/281:55 pmMCI - LIS
1 stop14h 10mIberia
Mi 11/511:15 amLIS - MCI
1 stop16h 11mIberia
Deal found 7/31$578
This Finnair deal was found by Cheapflights users on 7/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 11/36:01 amMCI - LIS
1 stop21h 04mMultiple Airlines
Mi 11/1211:15 amLIS - MCI
1 stop16h 11mMultiple Airlines
Deal found 7/30$579
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Mi 11/1911:36 amMCI - OPO
2 stops15h 54mUnited Airlines
Mi 12/36:00 amOPO - MCI
2 stops21h 58mUnited Airlines
Deal found 7/31$589
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Mi 12/34:05 pmSTL - LIS
1 stop10h 50mUnited Airlines
So 12/75:00 amLIS - STL
1 stop14h 55mUnited Airlines
Deal found 7/31$601
This Travelocity deal was found by Cheapflights users on 7/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 10/196:02 amMCI - LIS
1 stop21h 03mBritish Airways
Mo 11/36:35 pmLIS - MCI
2 stops28h 08mBritish Airways
Deal found 7/31$608
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 11/83:55 pmMCI - LIS
2 stops23h 35mScandinavian Airlines
Sa 11/157:05 amLIS - MCI
2 stops22h 52mScandinavian Airlines
Deal found 7/30$609
This Virgin Atlantic deal was found by Cheapflights users on 7/31. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 12/310:45 amSTL - LIS
2 stops15h 15mVirgin Atlantic
So 12/711:15 amLIS - STL
2 stops18h 24mVirgin Atlantic
Deal found 7/31$615
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 12/34:27 pmSTL - LIS
1 stop10h 33mDelta
So 12/711:15 amLIS - STL
2 stops18h 24mDelta
Deal found 7/30$617
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Mo 11/173:14 pmSTL - OPO
2 stops12h 16mUnited Airlines
So 11/236:00 amOPO - STL
1 stop13h 55mUnited Airlines
Deal found 7/30$634
This KLM deal was found by Cheapflights users on 7/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 10/304:27 pmSTL - LIS
1 stop11h 33mMultiple Airlines
Sa 11/85:30 amLIS - STL
2 stops17h 02mMultiple Airlines
Deal found 7/31$637
This Gurufare deal was found by Cheapflights users on 7/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 11/1711:49 amSTL - OPO
1 stop15h 41mLufthansa
So 11/236:00 amOPO - STL
1 stop13h 55mLufthansa
Deal found 7/30$641

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 August 1, 2025.
Use the filters below to find and compare flights from Missouri to Portugal that are best for you.

Fly from

Missouri

Fly to

Portugal

Route

Depart

Return

Price

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Di 10/28

4:39 pm-9:05 am

1 stop11h 26m

Lisbon Humberto Delgado

Mi 11/5

8:45 pm-8:46 am

2 stops18h 01m

$577

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Di 10/28

10:53 am-9:05 am

2 stops17h 12m

Lisbon Humberto Delgado

Mi 11/5

11:15 am-11:59 pm

2 stops18h 44m

$583

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sa 1/3

6:35 pm-9:20 am

2 stops32h 45m

Lisbon Humberto Delgado

Fr 1/16

11:20 am-12:20 pm

2 stops31h 00m

$583

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sa 1/3

6:35 pm-9:20 am

2 stops32h 45m

Lisbon Humberto Delgado

Fr 1/16

11:20 am-4:40 pm

2 stops35h 20m

$588

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

So 10/19

7:30 am-11:05 am

2 stops21h 35m

Lisbon Humberto Delgado

Mo 11/3

2:10 pm-9:50 pm

2 stops37h 40m

$590

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

So 10/19

6:02 am-9:05 am

1 stop21h 03m

Lisbon Humberto Delgado

Mo 11/3

6:35 pm-4:43 pm

2 stops28h 08m

$608

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mi 12/3

10:45 am-8:00 am

2 stops15h 15m

Lisbon Humberto Delgado

So 12/7

11:15 am-11:39 pm

2 stops18h 24m

$615

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mi 12/3

4:27 pm-9:00 am

1 stop10h 33m

Lisbon Humberto Delgado

So 12/7

11:15 am-11:39 pm

2 stops18h 24m

$617

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Mo 11/17

3:14 pm-9:30 am

2 stops12h 16m

Porto

So 11/23

6:00 am-1:55 pm

1 stop13h 55m

$634

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Do 10/30

4:27 pm-9:00 am

1 stop11h 33m

Lisbon Humberto Delgado

Sa 11/8

5:30 am-4:32 pm

2 stops17h 02m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 49 results
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Best time to book a flight from Missouri to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Missouri to Portugal (average of $612). Flying from Missouri to Portugal in June is currently the most expensive (average of $1,129). 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.

What is the cheapest time of day to fly from MO to PT?

Find hourly flight availability from Missouri to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

When flying from Missouri to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 1, 2025.
See what other customers who have flown with Delta, KLM, and Air France from Missouri to Portugal have to say. 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.
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Missouri to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Missouri to Portugal one-way?

    $394 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $397 and $399, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Missouri to Portugal (average of $612). Flying from Missouri to Portugal in June is currently the most expensive (average of $1,129). 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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Alternative routes for Missouri to Portugal

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Top 10 airlines flying from Missouri to Portugal

Discover the top 10 airlines that operate flights from Missouri 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$525Average$895FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$553Average$890FlexibilityNo cancel feeOn-time72%
DeltaCheapest$564Average$858FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$564Average$1,105FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$587Average$833FlexibilityNo cancel feeOn-time70%
KLMCheapest$597Average$804FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$601Average$1,188FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$610Average$1,102FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$642Average$793FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$823Average$1,090FlexibilityNo cancel feeOn-time67%

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