Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Missouri to Portugal from $343

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 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Missouri to Portugal

Cheap round-trip flights

Air Canada Logo
10:00 am - 9:20 amSTL-LIS
17h 20m2 stops
Air Canada Logo
10:55 am - 2:23 pmLIS-STL
33h 28m2 stops
$570Air Canada
Find Deal
Tue, Nov 18 - Thu, Dec 4
United Airlines Logo
6:00 am - 9:20 amMCI-LIS
21h 20m2 stops
United Airlines Logo
5:00 am - 9:58 pmLIS-MCI
22h 58m2 stops
$572United Airlines
Find Deal
Tue, Nov 25 - Wed, Dec 3
British Airways Logo
1:40 pm - 12:05 pmMCI-LIS
16h 25m2 stops
British Airways Logo
6:30 am - 11:44 pmLIS-MCI
23h 14m2 stops
$575British Airways
Find Deal
Mon, Nov 3 - Wed, Nov 12
Logo
6:01 am - 9:15 amMCI-LIS
21h 14m1 stop
Logo
6:30 am - 8:04 pmLIS-MCI
19h 34m2 stops
$577
Find Deal
Tue, Nov 25 - Wed, Dec 3
British Airways Logo
1:45 pm - 9:55 amMCI-LIS
38h 10m2 stops
British Airways Logo
6:30 am - 8:04 pmLIS-MCI
19h 34m2 stops
$578British Airways
Find Deal
Wed, Nov 19 - Wed, Dec 3
Logo
1:30 pm - 11:05 amSTL-LIS
39h 35m2 stops
Logo
5:00 am - 1:55 pmLIS-STL
14h 55m1 stop
$578
Find Deal
Tue, Oct 14 - Wed, Nov 19
Lufthansa Logo
11:49 am - 8:10 amSTL-LIS
14h 21m1 stop
Lufthansa Logo
5:00 am - 1:55 pmLIS-STL
14h 55m1 stop
$588Lufthansa
Find Deal
Tue, Nov 18 - Wed, Dec 3
KLM Logo
4:27 pm - 9:00 amSTL-LIS
10h 33m1 stop
KLM Logo
10:00 am - 4:40 pmLIS-STL
12h 40m1 stop
$593KLM
Find Deal
Tue, Nov 18 - Thu, Dec 4
KLM Logo
11:51 am - 9:00 amSTL-LIS
15h 09m2 stops
KLM Logo
10:00 am - 8:49 pmLIS-STL
16h 49m2 stops
$597KLM
Find Deal
Tue, Nov 18 - Fri, Dec 5
Lufthansa Logo
3:50 pm - 2:50 pmSTL-LIS
17h 00m1 stop
Lufthansa Logo
5:00 am - 1:55 pmLIS-STL
14h 55m1 stop
$598Lufthansa
Find Deal
Wed, Nov 19 - Wed, Dec 3

Air Canada flights from Missouri to Portugal

Our best Air Canada deals on Missouri to Portugal flight tickets
Air Canada
Nov 18
STL10:00 amLambert-St Louis
17h 20m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 4
LIS10:55 amLisbon Humberto Delgado
33h 28m
2 stops
STL2:23 pmLambert-St Louis
$570
Find similar
Air Canada
Nov 20
STL6:30 amLambert-St Louis
20h 50m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 2
LIS11:20 amLisbon Humberto Delgado
34h 20m
2 stops
STL3:40 pmLambert-St Louis
$626
Find similar
Air Canada
Sep 23
STL11:30 amLambert-St Louis
39h 50m
2 stops
OPO9:20 amPorto
Sep 30
OPO6:00 amPorto
39h 18m
2 stops
STL3:18 pmLambert-St Louis
$747
Find similar

Lufthansa flights from Missouri to Portugal

Our best Lufthansa deals on Missouri to Portugal flight tickets
Lufthansa
Nov 18
STL11:49 amLambert-St Louis
14h 21m
1 stop
LIS8:10 amLisbon Humberto Delgado
Dec 3
LIS5:00 amLisbon Humberto Delgado
14h 55m
1 stop
STL1:55 pmLambert-St Louis
$588
Find similar
Lufthansa
Nov 19
STL3:50 pmLambert-St Louis
17h 00m
1 stop
LIS2:50 pmLisbon Humberto Delgado
Dec 3
LIS5:00 amLisbon Humberto Delgado
14h 55m
1 stop
STL1:55 pmLambert-St Louis
$598
Find similar
Lufthansa
Nov 5
STL3:50 pmLambert-St Louis
17h 35m
1 stop
OPO3:25 pmPorto
Nov 26
OPO6:00 amPorto
13h 55m
1 stop
STL1:55 pmLambert-St Louis
$601
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 11, 2025.
Use the filters below to find and compare flights from Missouri to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/18

10:00 am-9:20 am

2 stops17h 20m

Lisbon Humberto Delgado

Thu 12/4

10:55 am-2:23 pm

2 stops33h 28m

$570

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Tue 11/25

6:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-9:58 pm

2 stops22h 58m

$572

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Mon 11/3

1:40 pm-12:05 pm

2 stops16h 25m

Lisbon Humberto Delgado

Wed 11/12

6:30 am-11:44 pm

2 stops23h 14m

$575

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Tue 11/25

6:01 am-9:15 am

1 stop21h 14m

Lisbon Humberto Delgado

Wed 12/3

6:30 am-8:04 pm

2 stops19h 34m

$577

Kansas CityLisbon

MCI - LIS

MCILIS

Kansas City

Wed 11/19

1:45 pm-9:55 am

2 stops38h 10m

Lisbon Humberto Delgado

Wed 12/3

6:30 am-8:04 pm

2 stops19h 34m

$578

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 10/14

1:30 pm-11:05 am

2 stops39h 35m

Lisbon Humberto Delgado

Wed 11/19

5:00 am-1:55 pm

1 stop14h 55m

$578

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/18

11:49 am-8:10 am

1 stop14h 21m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-1:55 pm

1 stop14h 55m

$588

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/18

4:27 pm-9:00 am

1 stop10h 33m

Lisbon Humberto Delgado

Thu 12/4

10:00 am-4:40 pm

1 stop12h 40m

$593

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/18

11:51 am-9:00 am

2 stops15h 09m

Lisbon Humberto Delgado

Fri 12/5

10:00 am-8:49 pm

2 stops16h 49m

$597

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/19

3:50 pm-2:50 pm

1 stop17h 00m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-1:55 pm

1 stop14h 55m

$598

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portugal from

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?

The cheapest month to fly to Portugal from Missouri is in November. Flight prices, which tend to average around $632, 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 $672.

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 $944 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 $692 on momondo.

Can stopping save me money on Missouri to Portugal flights?

You could potentially save up to 19% 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

Best Price Found

$343

Fastest flight time

10h 13m

Direct flights

None

Airports in Portugal

2 airports
The best one-way flight to Portugal from Missouri in the past 72 hours is $343. The best round-trip flight deal from Missouri to Portugal found on momondo in the last 72 hours is $570.
The fastest flight from Missouri to Portugal takes 10h 13m
There are no direct flights from Missouri to Portugal. Popular non-direct routes for this connection are Lambert-St Louis Airport - Lisbon Humberto Delgado Airport, Kansas City Airport - Lisbon Humberto Delgado Airport and Lambert-St Louis Airport - Porto Airport.
There are 2 airports near Portugal: Lisbon Humberto Delgado (LIS), Porto (OPO)
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?

  • 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
IberiaPriceFrom $525Free CancellationRating
7.0
2,874 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $553Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom $564Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights
DeltaPriceFrom $579Free CancellationRating
8.0
7,979 reviews
Search Delta flights
British AirwaysPriceFrom $587Free CancellationRating
6.6
7,261 reviews
Search British Airways flights
KLMPriceFrom $597Free CancellationRating
7.8
1,381 reviews
Search KLM flights
LufthansaPriceFrom $612Free CancellationRating
6.8
7,302 reviews
Search Lufthansa flights
American AirlinesPriceFrom $614Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air FrancePriceFrom $642Free CancellationRating
7.4
1,467 reviews
Search Air France flights
Air CanadaPriceFrom $823Free CancellationRating
7.1
9,915 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/16
Sat 8/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $367
Flights to Portofrom $339
Flights to Funchalfrom $401
Flights to Farofrom $412
Flights to Ponta Delgadafrom $442
Flights to Lajesfrom $561
Flights to Hortafrom $590
Flights to Pico Islandfrom $593
Flights to Porto Santofrom $583
Flights to Velasfrom $557