What is the cheapest airline that flies from Missouri to Portugal?

United Airlines, Lufthansa, and Air Canada are the most popular carriers operating from Missouri to Portugal

How long is the flight from Missouri to Portugal?

Average flight duration from Missouri to Portugal depends on which airport you fly into and out of. Flying from St. Louis to Lisbon is 10h 08m on average, while flying from Kansas City to Lisbon is 10h 21m on average. Lisbon is the most popular airport in Portugal.

What airlines fly to Portugal?

United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Portugal from Missouri according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 10 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Missouri to Portugal?

Prices for flights from Missouri to Portugal were last updated today.

How many operators does momondo search for flights from Missouri to Portugal?

As of November 2025, there are 10 operators available to choose from for flights from Missouri to Portugal.

How old do you have to be to fly from Missouri to Portugal?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Portugal.

What documentation or ID do you need to fly to Portugal?

The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$287 Cheap Flights from Missouri to Portugal in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 8:55 amSTL-LIS

20h 25m2 stops

11:20 am - 2:30 pmLIS-STL

33h 10m2 stops

$483Air Canada

Find Deal

Sat, Jan 24 - Sat, Jan 31

11:22 am - 8:10 amSTL-LIS

14h 48m1 stop

5:00 am - 3:29 pmLIS-STL

40h 29m2 stops

$488Multiple Airlines

Find Deal

Sat, Jan 24 - Sat, Jan 31

7:10 am - 10:30 amSTL-OPO

21h 20m2 stops

6:00 am - 11:25 pmOPO-STL

23h 25m2 stops

$491Delta

Find Deal

Sat, Feb 14 - Sat, Feb 21

11:55 am - 10:30 amSTL-OPO

16h 35m2 stops

6:00 am - 8:45 pmOPO-STL

20h 45m2 stops

$492KLM

Find Deal

Sat, Feb 14 - Sat, Feb 21

12:37 pm - 10:15 amMCI-LIS

16h 38m1 stop

5:00 am - 9:35 pmLIS-MCI

21h 35m2 stops

$493United Airlines

Find Deal

Tue, Mar 10 - Thu, Mar 26

6:30 pm - 11:30 pmMCI-LIS

23h 00m2 stops

5:00 am - 8:06 pmLIS-MCI

21h 06m2 stops

$494Lufthansa

Find Deal

Sun, Feb 8 - Fri, Feb 20

9:57 am - 8:00 amMCI-LIS

16h 03m1 stop

5:00 am - 8:02 pmLIS-MCI

21h 02m2 stops

$496Delta

Find Deal

Sun, Feb 8 - Fri, Feb 20

11:33 am - 8:10 amMCI-LIS

15h 37m2 stops

5:00 am - 9:35 pmLIS-MCI

21h 35m2 stops

$497United Airlines

Find Deal

Tue, Mar 10 - Thu, Mar 26

11:15 am - 8:00 amMCI-LIS

14h 45m2 stops

10:55 am - 10:00 pmLIS-MCI

17h 05m2 stops

$510KLM

Find Deal

Sat, Feb 7 - Fri, Feb 20

3:50 pm - 11:30 amSTL-LIS

13h 40m1 stop

5:00 am - 1:55 pmLIS-STL

14h 55m1 stop

$596Lufthansa

Find Deal

Fri, Nov 28 - Fri, Dec 12

American Airlines flights from Missouri to Portugal

Our best American Airlines deals on Missouri to Portugal flight tickets

American Airlines

Dec 2

MCI6:00 amKansas City

21h 05m

1 stop

LIS9:05 amLisbon Humberto Delgado

Dec 9

LIS8:20 amLisbon Humberto Delgado

19h 09m

2 stops

MCI9:29 pmKansas City

$504

Find similar

American Airlines

Dec 2

MCI9:35 amKansas City

17h 30m

2 stops

LIS9:05 amLisbon Humberto Delgado

Dec 9

LIS8:20 amLisbon Humberto Delgado

19h 09m

2 stops

MCI9:29 pmKansas City

$509

Find similar

American Airlines

Nov 7

MCI4:16 pmKansas City

37h 29m

2 stops

OPO11:45 amPorto

Nov 15

OPO8:40 pmPorto

33h 22m

2 stops

MCI12:02 amKansas City

$1,287

Find similar

British Airways flights from Missouri to Portugal

Our best British Airways deals on Missouri to Portugal flight tickets

British Airways

Jan 16

MCI6:34 pmKansas City

17h 21m

2 stops

LIS5:55 pmLisbon Humberto Delgado

Jan 23

LIS11:05 amLisbon Humberto Delgado

16h 01m

1 stop

MCI9:06 pmKansas City

$503

Find similar

British Airways

Feb 7

MCI6:06 amKansas City

20h 59m

1 stop

LIS9:05 amLisbon Humberto Delgado

Feb 20

LIS11:05 amLisbon Humberto Delgado

16h 31m

1 stop

MCI9:36 pmKansas City

$536

Find similar

British Airways

Jan 3

STL10:01 amLambert-St Louis

44h 04m

2 stops

LIS12:05 pmLisbon Humberto Delgado

Jan 16

LIS6:45 pmLisbon Humberto Delgado

51h 45m

2 stops

STL4:30 pmLambert-St Louis

$637

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 1/24

6:30 am-8:55 am

2 stops20h 25m

Lisbon Humberto Delgado

Sat 1/31

11:20 am-2:30 pm

2 stops33h 10m

$483

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 1/24

11:22 am-8:10 am

1 stop14h 48m

Lisbon Humberto Delgado

Sat 1/31

5:00 am-3:29 pm

2 stops40h 29m

$488

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Sat 2/14

7:10 am-10:30 am

2 stops21h 20m

Porto

Sat 2/21

6:00 am-11:25 pm

2 stops23h 25m

$491

St. LouisPorto

STL - OPO

STLOPO

Lambert-St Louis

Sat 2/14

11:55 am-10:30 am

2 stops16h 35m

Porto

Sat 2/21

6:00 am-8:45 pm

2 stops20h 45m

$492

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Tue 3/10

12:37 pm-10:15 am

1 stop16h 38m

Lisbon Humberto Delgado

Thu 3/26

5:00 am-9:35 pm

2 stops21h 35m

$493

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Sun 2/8

6:30 pm-11:30 pm

2 stops23h 00m

Lisbon Humberto Delgado

Fri 2/20

5:00 am-8:06 pm

2 stops21h 06m

$494

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Sun 2/8

9:57 am-8:00 am

1 stop16h 03m

Lisbon Humberto Delgado

Fri 2/20

5:00 am-8:02 pm

2 stops21h 02m

$496

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Tue 3/10

11:33 am-8:10 am

2 stops15h 37m

Lisbon Humberto Delgado

Thu 3/26

5:00 am-9:35 pm

2 stops21h 35m

$497

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Sat 2/7

11:15 am-8:00 am

2 stops14h 45m

Lisbon Humberto Delgado

Fri 2/20

10:55 am-10:00 pm

2 stops17h 05m

$510

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 11/28

3:50 pm-11:30 am

1 stop13h 40m

Lisbon Humberto Delgado

Fri 12/12

5:00 am-1:55 pm

1 stop14h 55m

$596

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Missouri is in November. Flight prices, which tend to average around $624, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Missouri during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $722.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Monday is the cheapest day to fly to Portugal from Missouri. The lowest ticket price found for a Monday departure recently was $894. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,087.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Missouri to Portugal during this time can be as low as $884. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,083 per ticket.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $933 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Missouri for as low as $746 on momondo.

Can stopping save me money on Missouri to Portugal flights?

You could potentially save up to 29% on your flight if you consider stops on a Missouri to Portugal flight.

Cheap Missouri to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Portugal

Direct flights	None

There are no direct flights from Missouri to Portugal. There are no popular flight routes from Missouri to Portugal.

Search flight deals

When did momondo last update prices for flights from Missouri to Portugal?
Prices for flights from Missouri to Portugal were last updated today.
How many operators does momondo search for flights from Missouri to Portugal?
As of November 2025, there are 10 operators available to choose from for flights from Missouri to Portugal.
How old do you have to be to fly from Missouri to Portugal?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to Portugal

Compare and see reviews for airlines that fly from Missouri to Portugal with momondo

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $525	Free Cancellation	Rating 7.0 3,007 reviews	Search Iberia flights
Lufthansa	PriceFrom $549	Free Cancellation	Rating 6.8 7,555 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom $553	Free Cancellation	Rating 7.5 672 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $564	Free Cancellation	Rating 7.4 9,002 reviews	Search United Airlines flights
KLM	PriceFrom $578	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights
Delta	PriceFrom $579	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
British Airways	PriceFrom $638	Free Cancellation	Rating 6.7 7,496 reviews	Search British Airways flights
Air France	PriceFrom $642	Free Cancellation	Rating 7.4 1,484 reviews	Search Air France flights
American Airlines	PriceFrom $660	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights
Air Canada	PriceFrom $823	Free Cancellation	Rating 7.1 10,408 reviews	Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Portugal?

Finding the right flight to Portugal from Missouri is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portugal quick and easy, saving you time and money.

Can I find flights from Missouri to Portugal with flexible booking policies on momondo?

All flight searches from Missouri to Portugal on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Missouri to Portugal?

momondo provides multiple filters to help you find the best flight to Portugal from Missouri. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Missouri to Portugal right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Missouri to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $369

Flights to Portofrom $346

Flights to Funchalfrom $389

Flights to Farofrom $380

Flights to Ponta Delgadafrom $401

Flights to Lajesfrom $475

Flights to Hortafrom $563

Flights to Pico Islandfrom $563

Flights to Porto Santofrom $646

Flights to Velasfrom $553

Cheap flights from Missouri to Portugal from $287

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Portugal departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Missouri to Portugal

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Cheap last minute flights

American Airlines flights from Missouri to Portugal

Our best American Airlines deals on Missouri to Portugal flight tickets

British Airways flights from Missouri to Portugal

Our best British Airways deals on Missouri to Portugal flight tickets

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How to get the cheapest flight ticket from Missouri to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

What is the cheapest day to depart on your flight to Portugal?

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Missouri to Portugal during this time can be as low as $884. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,083 per ticket.

How far in advance should I book a flight to Portugal?

Can stopping save me money on Missouri to Portugal flights?

You could potentially save up to 29% on your flight if you consider stops on a Missouri to Portugal flight.

What is the cheapest airline that flies from Missouri to Portugal?

United Airlines, Lufthansa, and Air Canada are the most popular carriers operating from Missouri to Portugal

What airlines fly to Portugal?

How long is the flight from Missouri to Portugal?

Average flight duration from Missouri to Portugal depends on which airport you fly into and out of. Flying from St. Louis to Lisbon is 10h 08m on average, while flying from Kansas City to Lisbon is 10h 21m on average. Lisbon is the most popular airport in Portugal.

Cheap Missouri to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Portugal

Direct flights

When did momondo last update prices for flights from Missouri to Portugal?

How many operators does momondo search for flights from Missouri to Portugal?

How old do you have to be to fly from Missouri to Portugal?

What documentation or ID do you need to fly to Portugal?

Best airlines flying from Missouri to Portugal

Compare and see reviews for airlines that fly from Missouri to Portugal with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Portugal?

Can I find flights from Missouri to Portugal with flexible booking policies on momondo?

How can momondo help me find flights from Missouri to Portugal?

I’m not ready to book a flight from Missouri to Portugal right now. Can momondo alert me if prices change?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo