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 15h 13m on average, while flying from Oklahoma City to Lisbon is 18h 10m on average. Lisbon is the most popular airport in Portugal.

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

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

What airlines fly to Portugal?

Iberia, Delta and United Airlines are the top three most popular airlines that fly to Portugal from Oklahoma according to our data. Iberia is the first choice among our users, with 36% 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.

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 September 2026, there are 4 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.

$365 Cheap Flights from Oklahoma to Portugal in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

3:13 pm - 4:50 pmOKC Oklahoma City Will Rogers World-OPO Porto

19h 37m2 stops Chicago O'Hare Intl London Heathrow

8:40 pm - 8:32 amOPO Porto-OKC Oklahoma City Will Rogers World

17h 52m2 stops Madrid Barajas Dallas/Fort Worth

$574British Airways

Wed, Nov 25 - Wed, Dec 2

5:25 pm - 8:15 amOKC Oklahoma City Will Rogers World-OPO Porto

56h 50m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

10:15 am - 12:03 amOPO Porto-OKC Oklahoma City Will Rogers World

19h 48m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$590Delta

Mon, Nov 23 - Thu, Dec 3

1:39 pm - 8:15 amOKC Oklahoma City Will Rogers World-OPO Porto

36h 36m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

10:15 am - 12:03 amOPO Porto-OKC Oklahoma City Will Rogers World

19h 48m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$590Delta

Tue, Nov 24 - Thu, Dec 3

11:55 am - 8:10 amOKC Oklahoma City Will Rogers World-LIS Lisbon Humberto Delgado

14h 15m2 stops Houston George Bush Intcntl Newark

12:20 pm - 9:10 amLIS Lisbon Humberto Delgado-OKC Oklahoma City Will Rogers World

26h 50m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

$600United Airlines

Tue, Dec 8 - Thu, Dec 17

1:39 pm - 3:25 pmOKC Oklahoma City Will Rogers World-OPO Porto

19h 46m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

10:15 am - 12:04 amOPO Porto-OKC Oklahoma City Will Rogers World

19h 49m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$610Multiple Airlines

Wed, Nov 25 - Thu, Dec 3

9:02 am - 11:45 amOKC Oklahoma City Will Rogers World-OPO Porto

20h 43m2 stops Dallas/Fort Worth Madrid Barajas

8:20 am - 8:45 pmOPO Porto-OKC Oklahoma City Will Rogers World

18h 25m2 stops Madrid Barajas Chicago O'Hare Intl

$612Iberia

Thu, Nov 26 - Thu, Dec 3

1:39 pm - 3:25 pmOKC Oklahoma City Will Rogers World-OPO Porto

19h 46m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:00 am - 8:33 pmOPO Porto-OKC Oklahoma City Will Rogers World

21h 33m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$620KLM

Wed, Nov 25 - Fri, Dec 4

7:00 am - 10:20 amOKC Oklahoma City Will Rogers World-LIS Lisbon Humberto Delgado

21h 20m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

12:50 pm - 12:15 pmLIS Lisbon Humberto Delgado-OKC Oklahoma City Will Rogers World

29h 25m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$630United Airlines

Fri, Nov 27 - Tue, Dec 8

1:05 pm - 5:55 pmOKC Oklahoma City Will Rogers World-LIS Lisbon Humberto Delgado

22h 50m2 stops Chicago O'Hare Intl London Heathrow

6:45 pm - 8:32 amLIS Lisbon Humberto Delgado-OKC Oklahoma City Will Rogers World

43h 47m2 stops London Heathrow Dallas/Fort Worth

$1,450British Airways

Sat, Nov 21 - Sat, Nov 28

11:03 am - 9:05 amOKC Oklahoma City Will Rogers World-LIS Lisbon Humberto Delgado

16h 02m2 stops Dallas/Fort Worth Philadelphia

7:00 am - 8:37 pmLIS Lisbon Humberto Delgado-OKC Oklahoma City Will Rogers World

19h 37m2 stops London Heathrow Dallas/Fort Worth

$2,215British Airways

Thu, Nov 5 - Thu, Nov 12

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 am - 9:45 amOKC Oklahoma City Will Rogers World-OPO Porto

20h 30m2 stops Chicago O'Hare Intl Newark

6:00 am - 10:31 pmOPO Porto-OKC Oklahoma City Will Rogers World

22h 31m2 stops Frankfurt am Main Chicago O'Hare Intl

$768United Airlines

Thu, Oct 1 - Thu, Oct 15

6:00 am - 9:20 amTUL Tulsa-LIS Lisbon Humberto Delgado

21h 20m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

5:05 am - 9:59 pmLIS Lisbon Humberto Delgado-TUL Tulsa

22h 54m2 stops Frankfurt am Main Chicago O'Hare Intl

$783Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

9:51 am - 9:20 amTUL Tulsa-LIS Lisbon Humberto Delgado

17h 29m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

5:05 am - 9:59 pmLIS Lisbon Humberto Delgado-TUL Tulsa

22h 54m2 stops Frankfurt am Main Chicago O'Hare Intl

$783Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

5:49 pm - 10:30 amOKC Oklahoma City Will Rogers World-LIS Lisbon Humberto Delgado

34h 41m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

10:25 am - 10:31 pmLIS Lisbon Humberto Delgado-OKC Oklahoma City Will Rogers World

42h 06m2 stops Newark Chicago O'Hare Intl

$797United Airlines

Thu, Oct 1 - Fri, Oct 9

5:49 pm - 8:20 amOKC Oklahoma City Will Rogers World-LIS Lisbon Humberto Delgado

32h 31m2 stops Chicago O'Hare Intl Newark

10:25 am - 8:52 amLIS Lisbon Humberto Delgado-OKC Oklahoma City Will Rogers World

28h 27m2 stops Newark Houston George Bush Intcntl

$812United Airlines

Thu, Oct 1 - Fri, Oct 9

5:49 pm - 8:20 amOKC Oklahoma City Will Rogers World-LIS Lisbon Humberto Delgado

32h 31m2 stops Chicago O'Hare Intl Newark

10:25 am - 8:52 amLIS Lisbon Humberto Delgado-OKC Oklahoma City Will Rogers World

28h 27m2 stops Newark Houston George Bush Intcntl

$823United Airlines

Thu, Oct 1 - Fri, Oct 9

1:36 pm - 11:05 pmOKC Oklahoma City Will Rogers World-LIS Lisbon Humberto Delgado

27h 29m2 stops Chicago O'Hare Intl London Heathrow

7:20 am - 8:36 pmLIS Lisbon Humberto Delgado-OKC Oklahoma City Will Rogers World

19h 16m2 stops London Heathrow Chicago O'Hare Intl

$839British Airways

Thu, Oct 1 - Fri, Oct 9

5:22 pm - 7:10 pmOKC Oklahoma City Will Rogers World-OPO Porto

19h 48m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:55 am - 8:30 pmOPO Porto-OKC Oklahoma City Will Rogers World

20h 35m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$1,007KLM

Thu, Oct 1 - Thu, Oct 15

9:51 am - 9:20 amTUL Tulsa-LIS Lisbon Humberto Delgado

17h 29m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

5:05 am - 9:59 pmLIS Lisbon Humberto Delgado-TUL Tulsa

22h 54m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,024Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

5:22 pm - 6:45 pmOKC Oklahoma City Will Rogers World-LIS Lisbon Humberto Delgado

19h 23m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:00 am - 8:17 pmLIS Lisbon Humberto Delgado-OKC Oklahoma City Will Rogers World

21h 17m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,085Delta

Thu, Oct 1 - Fri, Oct 9

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Lufthansa flights from Oklahoma to Portugal

Our best Lufthansa deals on Oklahoma to Portugal flight tickets

Lufthansa

Oct 27

OKC5:34 pmOklahoma City Will Rogers World

24h 56m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Nov 8

LIS5:00 amLisbon Humberto Delgado

24h 54m

2 stops

OKC11:54 pmOklahoma City Will Rogers World

$658

Lufthansa

Oct 27

OKC5:34 pmOklahoma City Will Rogers World

24h 56m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Nov 8

LIS5:00 amLisbon Humberto Delgado

24h 54m

2 stops

OKC11:54 pmOklahoma City Will Rogers World

$659

Lufthansa

Dec 6

TUL6:25 pmTulsa

23h 05m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Dec 15

LIS5:00 amLisbon Humberto Delgado

22h 56m

2 stops

TUL9:56 pmTulsa

$728

United Airlines flights from Oklahoma to Portugal

Our best United Airlines deals on Oklahoma to Portugal flight tickets

United Airlines

Dec 8

OKC11:55 amOklahoma City Will Rogers World

14h 15m

2 stops

LIS8:10 amLisbon Humberto Delgado

Dec 17

LIS12:20 pmLisbon Humberto Delgado

26h 50m

2 stops

OKC9:10 amOklahoma City Will Rogers World

$600

United Airlines

Nov 27

OKC7:00 amOklahoma City Will Rogers World

21h 20m

2 stops

LIS10:20 amLisbon Humberto Delgado

Dec 8

LIS12:50 pmLisbon Humberto Delgado

29h 25m

2 stops

OKC12:15 pmOklahoma City Will Rogers World

$630

United Airlines

Oct 20

OKC5:00 amOklahoma City Will Rogers World

20h 00m

2 stops

OPO7:00 amPorto

Nov 1

OPO6:00 amPorto

23h 54m

2 stops

OKC12:54 amOklahoma City Will Rogers World

$639

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Oklahoma CityPorto

OKC Oklahoma City Will Rogers World - OPO Porto

OKCOPO

Oklahoma City Will Rogers World

Wed 11/25

3:13 pm-4:50 pm

2 stops19h 37m

Porto

Wed 12/2

8:40 pm-8:32 am

2 stops17h 52m

$574

Oklahoma CityPorto

OKC Oklahoma City Will Rogers World - OPO Porto

OKCOPO

Oklahoma City Will Rogers World

Mon 11/23

5:25 pm-8:15 am

2 stops56h 50m

Porto

Thu 12/3

10:15 am-12:03 am

2 stops19h 48m

$590

Oklahoma CityPorto

OKC Oklahoma City Will Rogers World - OPO Porto

OKCOPO

Oklahoma City Will Rogers World

Tue 11/24

1:39 pm-8:15 am

2 stops36h 36m

Porto

Thu 12/3

10:15 am-12:03 am

2 stops19h 48m

$590

Oklahoma CityLisbon

OKC Oklahoma City Will Rogers World - LIS Lisbon Humberto Delgado

OKCLIS

Oklahoma City Will Rogers World

Tue 12/8

11:55 am-8:10 am

2 stops14h 15m

Lisbon Humberto Delgado

Thu 12/17

12:20 pm-9:10 am

2 stops26h 50m

$600

Oklahoma CityPorto

OKC Oklahoma City Will Rogers World - OPO Porto

OKCOPO

Oklahoma City Will Rogers World

Wed 11/25

1:39 pm-3:25 pm

2 stops19h 46m

Porto

Thu 12/3

10:15 am-12:04 am

2 stops19h 49m

$610

Oklahoma CityPorto

OKC Oklahoma City Will Rogers World - OPO Porto

OKCOPO

Oklahoma City Will Rogers World

Thu 11/26

9:02 am-11:45 am

2 stops20h 43m

Porto

Thu 12/3

8:20 am-8:45 pm

2 stops18h 25m

$612

Oklahoma CityPorto

OKC Oklahoma City Will Rogers World - OPO Porto

OKCOPO

Oklahoma City Will Rogers World

Wed 11/25

1:39 pm-3:25 pm

2 stops19h 46m

Porto

Fri 12/4

5:00 am-8:33 pm

2 stops21h 33m

$620

Oklahoma CityLisbon

OKC Oklahoma City Will Rogers World - LIS Lisbon Humberto Delgado

OKCLIS

Oklahoma City Will Rogers World

Fri 11/27

7:00 am-10:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Tue 12/8

12:50 pm-12:15 pm

2 stops29h 25m

$630

Oklahoma CityLisbon

OKC Oklahoma City Will Rogers World - LIS Lisbon Humberto Delgado

OKCLIS

Oklahoma City Will Rogers World

Sat 11/21

1:05 pm-5:55 pm

2 stops22h 50m

Lisbon Humberto Delgado

Sat 11/28

6:45 pm-8:32 am

2 stops43h 47m

$1,450

Quickest round-trip

Oklahoma CityLisbon

OKC Oklahoma City Will Rogers World - LIS Lisbon Humberto Delgado

OKCLIS

Oklahoma City Will Rogers World

Thu 11/5

11:03 am-9:05 am

2 stops16h 02m

Lisbon Humberto Delgado

Thu 11/12

7:00 am-8:37 pm

2 stops19h 37m

$2,215

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 $474, 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 January instead. Flights to Portugal in January, while not as cheap as those in March, still average around $484.

Cheap Oklahoma to Portugal flight deals and tips

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

Best Price Found	$365
Fastest flight time	12h 35m
Direct flights	None

The best one-way flight to Portugal from Oklahoma in the past 72 hours is $365. The best round-trip flight deal from Oklahoma to Portugal found on momondo in the last 72 hours is $574.

The fastest flight from Oklahoma to Portugal takes 12h 35m

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

Search flight deals

Frequently asked questions about flying 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 September 2026, there are 4 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 3,246 reviews	Search Iberia flights
British Airways	PriceFrom $458	Free Cancellation	Rating 6.7 8,233 reviews	Search British Airways flights
United Airlines	PriceFrom $579	Free Cancellation	Rating 7.4 10,247 reviews	Search United Airlines flights
Delta	PriceFrom $844	Free Cancellation	Rating 7.8 8,609 reviews	Search Delta 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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Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $457

Flights to Portofrom $450

Flights to Funchalfrom $567

Flights to Farofrom $470

Flights to Ponta Delgadafrom $438

Flights to Lajesfrom $566

Flights to Hortafrom $582

Flights to Pico Islandfrom $584

Flights to Porto Santofrom $878

Flights to Velasfrom $586

Cheap flights from Oklahoma to Portugal from $365

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 3/13. 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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Lufthansa flights from Oklahoma to Portugal

Our best Lufthansa 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 airline that flies from Oklahoma to Portugal?

What airlines fly to Portugal?

How long is the flight from Oklahoma to Portugal?

Cheap Oklahoma to Portugal flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Oklahoma 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?

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.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year