What airlines fly to Portugal?

United Airlines, British Airways and Iberia are the top three most popular airlines that fly to Portugal from Oklahoma according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 4 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

How long is the flight from Oklahoma to Portugal?

Average flight duration from Oklahoma to Portugal depends on which airport you fly into and out of. Flying from Tulsa to Lisbon is 17h 20m on average, while flying from Oklahoma City to Lisbon is 33h 35m on average. Lisbon is the most popular airport in Portugal.

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

Air Canada, United Airlines, and KLM are the most popular carriers operating from Oklahoma to Portugal

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

Prices for flights from Oklahoma to Portugal are refreshed on a daily basis.

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

As of March 2026, there are 11 operators available to choose from for flights from Oklahoma to Portugal.

How old do you have to be to fly from Oklahoma 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 Oklahoma 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.

$312 Cheap Flights from Oklahoma to Portugal in 2026

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Find the cheapest flights from Oklahoma to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:00 pm - 10:10 pm

DFW

LIS

24h 10m

1 stop

5:05 am - 6:25 pm

LIS

DFW

19h 20m

2 stops

$619Lufthansa

mar., abr. 7 - mar., abr. 21

4:00 pm - 10:10 pm

DFW

LIS

24h 10m

1 stop

5:05 am - 2:15 pm

LIS

DFW

15h 10m

1 stop

$628Lufthansa

mar., abr. 7 - mar., abr. 21

9:45 pm - 8:05 pm

DFW

LIS

16h 20m

1 stop

6:35 am - 4:55 pm

LIS

DFW

16h 20m

1 stop

$649Iberia

lun., abr. 27 - mar., may. 5

7:25 am - 10:30 am

DFW

LIS

21h 05m

1 stop

5:05 am - 2:15 pm

LIS

DFW

15h 10m

1 stop

$650United Airlines

dom., abr. 12 - mar., abr. 28

10:59 pm - 11:15 pm

DFW

LIS

18h 16m

1 stop

6:35 am - 8:10 pm

LIS

DFW

19h 35m

1 stop

$651American Airlines

mié., abr. 29 - mar., may. 5

8:55 pm - 5:55 pm

DFW

LIS

15h 00m

1 stop

12:30 pm - 8:10 pm

LIS

DFW

13h 40m

1 stop

$652Multiple Airlines

mar., abr. 21 - mar., abr. 28

7:25 am - 10:30 am

DFW

LIS

21h 05m

1 stop

5:05 am - 11:04 pm

LIS

DFW

23h 59m

2 stops

$655United Airlines

dom., abr. 12 - mar., abr. 28

10:59 pm - 11:05 pm

DFW

LIS

18h 06m

1 stop

12:30 pm - 8:10 pm

LIS

DFW

13h 40m

1 stop

$656Multiple Airlines

dom., abr. 12 - mar., abr. 28

5:00 am - 9:05 am

DFW

LIS

22h 05m

1 stop

6:35 am - 10:24 pm

LIS

DFW

21h 49m

2 stops

$663American Airlines

dom., abr. 12 - mar., abr. 28

9:45 pm - 12:55 pm

DFW

FNC

33h 10m

1 stop

1:20 pm - 8:10 pm

FNC

DFW

36h 50m

1 stop

$738Iberia

lun., may. 4 - lun., may. 11

Iberia flights from Oklahoma to Portugal

Our best Iberia deals on Oklahoma to Portugal flight tickets

Iberia

Apr 21

DFW8:49 amDallas/Fort Worth

16h 56m

2 stops

LIS7:45 amLisbon Humberto Delgado

Apr 28

LIS6:35 amLisbon Humberto Delgado

18h 53m

2 stops

DFW7:28 pmDallas/Fort Worth

$677

Iberia

Apr 23

DFW9:45 pmDallas/Fort Worth

14h 40m

1 stop

LIS6:25 pmLisbon Humberto Delgado

Apr 28

LIS6:35 amLisbon Humberto Delgado

18h 53m

2 stops

DFW7:28 pmDallas/Fort Worth

$698

Iberia

May 3

DFW9:45 pmDallas/Fort Worth

19h 40m

1 stop

LIS11:25 pmLisbon Humberto Delgado

May 11

LIS8:45 pmLisbon Humberto Delgado

29h 25m

1 stop

DFW8:10 pmDallas/Fort Worth

$703

Turkish Airlines flights from Oklahoma to Portugal

Our best Turkish Airlines deals on Oklahoma to Portugal flight tickets

Turkish Airlines

Mar 29

DFW9:30 pmDallas/Fort Worth

36h 20m

1 stop

OPO3:50 pmPorto

Apr 14

OPO4:50 pmPorto

32h 45m

1 stop

DFW7:35 pmDallas/Fort Worth

$660

Turkish Airlines

Mar 29

DFW9:30 pmDallas/Fort Worth

36h 20m

1 stop

OPO3:50 pmPorto

Apr 14

OPO10:40 amPorto

32h 05m

1 stop

DFW12:45 pmDallas/Fort Worth

$661

Turkish Airlines

May 4

DFW9:30 pmDallas/Fort Worth

36h 10m

1 stop

OPO3:40 pmPorto

May 20

OPO4:40 pmPorto

32h 55m

1 stop

DFW7:35 pmDallas/Fort Worth

$663

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mar. 4/7

4:00 pm-10:10 pm

1 stop24h 10m

Lisbon Humberto Delgado

mar. 4/21

5:05 am-6:25 pm

2 stops19h 20m

$619

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mar. 4/7

4:00 pm-10:10 pm

1 stop24h 10m

Lisbon Humberto Delgado

mar. 4/21

5:05 am-2:15 pm

1 stop15h 10m

$628

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

lun. 4/27

9:45 pm-8:05 pm

1 stop16h 20m

Lisbon Humberto Delgado

mar. 5/5

6:35 am-4:55 pm

1 stop16h 20m

$649

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

dom. 4/12

7:25 am-10:30 am

1 stop21h 05m

Lisbon Humberto Delgado

mar. 4/28

5:05 am-2:15 pm

1 stop15h 10m

$650

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mié. 4/29

10:59 pm-11:15 pm

1 stop18h 16m

Lisbon Humberto Delgado

mar. 5/5

6:35 am-8:10 pm

1 stop19h 35m

$651

Quickest round-trip

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mar. 4/21

8:55 pm-5:55 pm

1 stop15h 00m

Lisbon Humberto Delgado

mar. 4/28

12:30 pm-8:10 pm

1 stop13h 40m

$652

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

dom. 4/12

7:25 am-10:30 am

1 stop21h 05m

Lisbon Humberto Delgado

mar. 4/28

5:05 am-11:04 pm

2 stops23h 59m

$655

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

dom. 4/12

10:59 pm-11:05 pm

1 stop18h 06m

Lisbon Humberto Delgado

mar. 4/28

12:30 pm-8:10 pm

1 stop13h 40m

$656

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

dom. 4/12

5:00 am-9:05 am

1 stop22h 05m

Lisbon Humberto Delgado

mar. 4/28

6:35 am-10:24 pm

2 stops21h 49m

$663

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

lun. 5/4

9:45 pm-12:55 pm

1 stop33h 10m

Funchal Madeira

lun. 5/11

1:20 pm-8:10 pm

1 stop36h 50m

$738

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oklahoma 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 Oklahoma is in March. Flight prices, which tend to average around $451, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Portugal from Oklahoma during October instead. Flights to Portugal in October, while not as cheap as those in March, still average around $474.

Cheap Oklahoma to Portugal flight deals and tips

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

Fastest flight time	10h 48m
Direct flights	None

The fastest flight from Oklahoma to Portugal takes 10h 48m

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

Search flight deals

When did momondo last update prices for flights from Oklahoma to Portugal?
Prices for flights from Oklahoma to Portugal are refreshed on a daily basis.
How many operators does momondo search for flights from Oklahoma to Portugal?
As of March 2026, there are 11 operators available to choose from for flights from Oklahoma to Portugal.
How old do you have to be to fly from Oklahoma 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 Oklahoma 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 Oklahoma to Portugal

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

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $424	Free Cancellation	Rating 7.0 3,147 reviews	Search Iberia flights
British Airways	PriceFrom $458	Free Cancellation	Rating 6.7 7,813 reviews	Search British Airways flights
United Airlines	PriceFrom $487	Free Cancellation	Rating 7.4 9,462 reviews	Search United Airlines flights
American Airlines	PriceFrom $519	Free Cancellation	Rating 7.1 11,486 reviews	Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Oklahoma to Portugal. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Portugal from Oklahoma on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Oklahoma and alert you when they change.

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Popular cities in Portugal

Flights to Lisbonfrom $489

Flights to Portofrom $466

Flights to Funchalfrom $501

Flights to Farofrom $471

Flights to Ponta Delgadafrom $529

Flights to Lajesfrom $569

Flights to Pico Islandfrom $579

Flights to Hortafrom $586

Flights to Porto Santofrom $675

Flights to Velasfrom $586

Cheap flights from Oklahoma to Portugal from $312

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oklahoma to Portugal departing on 4/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Our best Iberia deals on Oklahoma to Portugal flight tickets

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Our best Turkish Airlines deals on Oklahoma to Portugal flight tickets

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How to get the cheapest flight ticket from Oklahoma to Portugal

What is the cheapest month to fly to Portugal?

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What airlines fly to Portugal?

How long is the flight from Oklahoma to Portugal?

Cheap Oklahoma to Portugal flight deals and tips

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

Fastest flight time

Direct flights

Best airlines flying from Oklahoma to Portugal

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

Why use momondo?

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

Oklahoma flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

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Explore popular destinations other users love

According to popular flight searches on momondo this year