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 Oklahoma City to Lisbon is 13h 45m on average, while flying from Tulsa to Lisbon is 15h 40m on average. Lisbon is the most popular airport in Portugal.

What airlines fly to Portugal?

United Airlines, American Airlines and British Airways 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 44% 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.

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

British Airways, Air Canada, and United Airlines 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 December 2025, 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.

$217 Cheap Flights from Oklahoma to Portugal in 2025/26

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Find the cheapest flights from Oklahoma to Portugal

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One-way

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Cheap round-trip flights

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6:05 am - 7:55 am

OKC

LIS

19h 50m2 stops

5:00 am - 10:30 pm

LIS

OKC

23h 30m2 stops

$488Multiple Airlines

Thu, Feb 19 - Tue, Feb 24

10:30 am - 9:20 am

TUL

LIS

16h 50m2 stops

11:20 am - 3:02 pm

LIS

TUL

33h 42m2 stops

$490Air Canada

Tue, Jan 13 - Tue, Jan 20

2:20 pm - 9:20 am

TUL

LIS

37h 00m2 stops

11:20 am - 3:02 pm

LIS

TUL

33h 42m2 stops

$493United Airlines

Wed, Jan 14 - Mon, Jan 19

12:06 pm - 9:20 am

OKC

LIS

39h 14m2 stops

10:50 am - 8:03 pm

LIS

OKC

39h 13m2 stops

$493United Airlines

Wed, Jan 21 - Sun, Jan 25

5:45 am - 8:10 am

TUL

LIS

20h 25m2 stops

10:55 am - 1:50 pm

LIS

TUL

32h 55m2 stops

$494United Airlines

Fri, Jan 30 - Fri, Feb 6

10:20 am - 9:05 am

OKC

LIS

16h 45m2 stops

4:10 pm - 7:40 pm

LIS

OKC

32h 30m2 stops

$500Multiple Airlines

Tue, Feb 24 - Tue, Mar 24

10:30 am - 1:20 pm

TUL

LIS

20h 50m2 stops

5:00 am - 10:45 pm

LIS

TUL

23h 45m2 stops

$502Lufthansa

Tue, Jan 13 - Sun, Jan 18

9:15 pm - 3:10 pm

DFW

FNC

35h 55m1 stop

4:00 pm - 7:10 pm

FNC

DFW

33h 10m1 stop

$534British Airways

Mon, Jan 12 - Wed, Jan 28

3:43 pm - 10:50 pm

TUL

LIS

25h 07m2 stops

6:30 pm - 10:45 pm

LIS

TUL

34h 15m2 stops

$535Lufthansa

Wed, Jan 14 - Mon, Jan 19

9:15 pm - 2:15 pm

DFW

FNC

35h 00m1 stop

3:05 pm - 7:10 pm

FNC

DFW

34h 05m1 stop

$537British Airways

Sun, Jan 11 - Tue, Jan 27

Air Canada flights from Oklahoma to Portugal

Our best Air Canada deals on Oklahoma to Portugal flight tickets

Air Canada

Jan 13

TUL10:30 amTulsa

16h 50m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 20

LIS11:20 amLisbon Humberto Delgado

33h 42m

2 stops

TUL3:02 pmTulsa

$490

Find similar

Air Canada

May 16

DFW9:00 pmDallas/Fort Worth

30h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

May 24

LIS1:00 pmLisbon Humberto Delgado

28h 40m

1 stop

DFW11:40 amDallas/Fort Worth

$585

Find similar

Air Canada

Dec 31

DFW7:00 amDallas/Fort Worth

19h 55m

2 stops

LIS8:55 amLisbon Humberto Delgado

Jan 18

LIS10:50 amLisbon Humberto Delgado

17h 17m

1 stop

DFW10:07 pmDallas/Fort Worth

$592

Find similar

United Airlines flights from Oklahoma to Portugal

Our best United Airlines deals on Oklahoma to Portugal flight tickets

United Airlines

Jan 14

TUL2:20 pmTulsa

37h 00m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 19

LIS11:20 amLisbon Humberto Delgado

33h 42m

2 stops

TUL3:02 pmTulsa

$493

Find similar

United Airlines

Jan 30

TUL5:45 amTulsa

20h 25m

2 stops

LIS8:10 amLisbon Humberto Delgado

Feb 6

LIS10:55 amLisbon Humberto Delgado

32h 55m

2 stops

TUL1:50 pmTulsa

$494

Find similar

United Airlines

Jan 13

TUL7:35 amTulsa

19h 45m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 18

LIS5:00 amLisbon Humberto Delgado

23h 45m

2 stops

TUL10:45 pmTulsa

$497

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Thu 2/19

6:05 am-7:55 am

2 stops19h 50m

Lisbon Humberto Delgado

Tue 2/24

5:00 am-10:30 pm

2 stops23h 30m

$488

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Tue 1/13

10:30 am-9:20 am

2 stops16h 50m

Lisbon Humberto Delgado

Tue 1/20

11:20 am-3:02 pm

2 stops33h 42m

$490

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Wed 1/14

2:20 pm-9:20 am

2 stops37h 00m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-3:02 pm

2 stops33h 42m

$493

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Wed 1/21

12:06 pm-9:20 am

2 stops39h 14m

Lisbon Humberto Delgado

Sun 1/25

10:50 am-8:03 pm

2 stops39h 13m

$493

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Fri 1/30

5:45 am-8:10 am

2 stops20h 25m

Lisbon Humberto Delgado

Fri 2/6

10:55 am-1:50 pm

2 stops32h 55m

$494

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 2/24

10:20 am-9:05 am

2 stops16h 45m

Lisbon Humberto Delgado

Tue 3/24

4:10 pm-7:40 pm

2 stops32h 30m

$500

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Tue 1/13

10:30 am-1:20 pm

2 stops20h 50m

Lisbon Humberto Delgado

Sun 1/18

5:00 am-10:45 pm

2 stops23h 45m

$502

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/12

9:15 pm-3:10 pm

1 stop35h 55m

Funchal Madeira

Wed 1/28

4:00 pm-7:10 pm

1 stop33h 10m

$534

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Wed 1/14

3:43 pm-10:50 pm

2 stops25h 07m

Lisbon Humberto Delgado

Mon 1/19

6:30 pm-10:45 pm

2 stops34h 15m

$535

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 1/11

9:15 pm-2:15 pm

1 stop35h 00m

Funchal Madeira

Tue 1/27

3:05 pm-7:10 pm

1 stop34h 05m

$537

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 January. Flight prices, which tend to average around $673, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Oklahoma during December instead. Flights to Portugal in December, while not as cheap as those in January, still average around $683.

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

According to our data, Wednesday is the cheapest day to fly to Portugal from Oklahoma. The lowest ticket price found for a Wednesday departure recently was $874. 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 Sunday, with ticket prices averaging around $1,502.

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 in the afternoon. Flights from Oklahoma to Portugal during this time can be as low as $1,053. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,450 per ticket.

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 30m
Direct flights	None

The fastest flight from Oklahoma to Portugal takes 10h 30m

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 December 2025, 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
United Airlines	PriceFrom $609	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights
American Airlines	PriceFrom $683	Free Cancellation	Rating 7.2 11,055 reviews	Search American Airlines flights
Iberia	PriceFrom $696	Free Cancellation	Rating 7.0 3,053 reviews	Search Iberia flights
British Airways	PriceFrom $714	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways 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.

An easier way to manage your Portugal trip

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $388

Flights to Portofrom $349

Flights to Funchalfrom $408

Flights to Farofrom $425

Flights to Ponta Delgadafrom $401

Flights to Lajesfrom $475

Flights to Hortafrom $591

Flights to Pico Islandfrom $659

Flights to Porto Santofrom $425

Flights to Velasfrom $567

Cheap flights from Oklahoma to Portugal from $217

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 3/22. 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

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Find the cheapest flights from Oklahoma to Portugal

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Air Canada flights from Oklahoma to Portugal

Our best Air Canada deals on Oklahoma to Portugal flight tickets

United Airlines flights from Oklahoma to Portugal

Our best United 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?

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 in the afternoon. Flights from Oklahoma to Portugal during this time can be as low as $1,053. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,450 per ticket.

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

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

What airlines fly to Portugal?

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 Oklahoma City to Lisbon is 13h 45m on average, while flying from Tulsa to Lisbon is 15h 40m on average. Lisbon is the most popular airport in 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

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

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

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

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

Best airlines flying from Oklahoma to Portugal

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

Why use momondo?

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

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

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

I’m not ready to book a flight from Oklahoma 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