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$392+ Cheap flights from Oklahoma City (OKC) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Oklahoma City to Portugal

Keep the following information in mind while searching for Oklahoma City to Portugal flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$505
(FlightHub)

One-way from

$392
(Booking.com)

Popular in

June

Cheapest in

January

Average price

$804
Provider with most accurate pricing for Oklahoma City Will Rogers World-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Lisbon Humberto Delgado flights.
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From Oklahoma City Will Rogers World to Portugal
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One-way flight from Oklahoma City Will Rogers World to Portugal
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Highest demand for flights based on searches. 23% potential increase in price ($306 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Oklahoma City to Portugal

Cheapest flights from Oklahoma City to Portugal
Explore the most affordable flight options available from Oklahoma City to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:15 amOKC - LIS
2 stops17h 00mUnited Airlines
Tue 12/212:20 pmLIS - OKC
2 stops39h 55mUnited Airlines
Deal found 10/26$585
This KLM deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:30 amOKC - FAO
2 stops29h 25mKLM
Tue 12/27:45 pmFAO - OKC
2 stops30h 46mKLM
Deal found 10/27$597
This Finnair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:53 amOKC - LIS
2 stops18h 57mMultiple Airlines
Fri 12/1911:05 amLIS - OKC
2 stops17h 46mMultiple Airlines
Deal found 10/28$629
This Finnair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:53 amOKC - LIS
2 stops19h 12mMultiple Airlines
Sat 12/2010:40 amLIS - OKC
2 stops19h 07mMultiple Airlines
Deal found 10/29$680
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:40 amOKC - LIS
2 stops18h 30mUnited Airlines
Thu 11/2710:15 amLIS - OKC
2 stops36h 05mUnited Airlines
Deal found 10/27$782
This Air Canada deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amOKC - LIS
3 stops21h 20mMultiple Airlines
Thu 11/2710:55 amLIS - OKC
2 stops30h 49mMultiple Airlines
Deal found 10/27$1,317
This KLM deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:22 amOKC - FNC
2 stops24h 28mKLM
Fri 12/196:00 pmFNC - OKC
2 stops29h 42mKLM
Deal found 10/28$1,649
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:25 amOKC - FNC
3 stops22h 05mAir Canada
Fri 12/197:50 amFNC - OKC
3 stops20h 28mAir Canada
Deal found 10/28$1,971

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oklahoma City 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, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Oklahoma City to Portugal that are best for you.

Fly from

Oklahoma City

Fly to

Portugal

Route

Depart

Return

Price

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Mon 11/24

11:15 am-10:15 am

2 stops17h 00m

Lisbon Humberto Delgado

Tue 12/2

12:20 pm-10:15 pm

2 stops39h 55m

$585

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Fri 11/28

5:30 am-4:55 pm

2 stops29h 25m

Faro

Tue 12/2

7:45 pm-8:31 pm

2 stops30h 46m

$597

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Fri 12/12

7:53 am-8:50 am

2 stops18h 57m

Lisbon Humberto Delgado

Fri 12/19

11:05 am-10:51 pm

2 stops17h 46m

$629

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sat 12/13

7:53 am-9:05 am

2 stops19h 12m

Lisbon Humberto Delgado

Sat 12/20

10:40 am-11:47 pm

2 stops19h 07m

$680

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Thu 11/20

7:40 am-8:10 am

2 stops18h 30m

Lisbon Humberto Delgado

Thu 11/27

10:15 am-4:20 pm

2 stops36h 05m

$782

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Thu 11/20

6:00 am-9:20 am

3 stops21h 20m

Lisbon Humberto Delgado

Thu 11/27

10:55 am-11:44 am

2 stops30h 49m

$1,317

Oklahoma CityFunchal

OKC - FNC

OKCFNC

Oklahoma City Will Rogers World

Fri 12/12

11:22 am-5:50 pm

2 stops24h 28m

Funchal Madeira

Fri 12/19

6:00 pm-5:42 pm

2 stops29h 42m

$1,649

Oklahoma CityFunchal

OKC - FNC

OKCFNC

Oklahoma City Will Rogers World

Fri 12/12

9:25 am-1:30 pm

3 stops22h 05m

Funchal Madeira

Fri 12/19

7:50 am-10:18 pm

3 stops20h 28m

$1,971

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Thu 4/23

8:00 am-9:20 am

2 stops19h 20m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Best time to book a flight from Oklahoma City to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Oklahoma City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oklahoma City to Portugal

What is the cheapest month to book a flight from Oklahoma City to Portugal?

Currently, January is the cheapest month in which you can book a flight from Oklahoma City to Portugal (average of $588). Flying from Oklahoma City to Portugal in June is currently the most expensive (average of $1,076). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OKC to PT?

Find hourly flight availability from Oklahoma City to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

One of the essential ways to save on airfare from Oklahoma City to Portugal is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 23% on airfare.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated October 29, 2025.
See what other customers who have flown with United Airlines, American Airlines, and British Airways from Oklahoma City to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,030 reviews
United Airlines
7.4
Good
8,998 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,487 reviews
United Airlines
7.4
Good
8,998 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Oklahoma City to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Oklahoma City to Portugal?

    Oklahoma City Will Rogers World (OKC), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Oklahoma City to Portugal.

  • How long is the flight from Oklahoma City to Portugal?

    There are many flights that can get you from Oklahoma City to Portugal in 17h. Fly via United Airlines or KLM to get the fastest option. There are 4673 mi between Oklahoma City and Portugal. This flight may include one or multiple stops.

  • What are the most popular routes from Oklahoma City to Portugal?

    The most popular flight routes from Oklahoma City to Portugal are Oklahoma City Will Rogers World - Lisbon Humberto Delgado, Oklahoma City Will Rogers World - Faro and Oklahoma City Will Rogers World - Funchal Madeira.

  • Can I find deals for flights from Oklahoma City to Portugal that include hotel bookings?

    Yes. In addition to deals on Oklahoma City to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oklahoma City to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oklahoma City to Portugal.

  • Can I find deals for business class flights from Oklahoma City to Portugal?

    Yes. Cheapflights offers flight deals from Oklahoma City to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oklahoma City to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Oklahoma City to Portugal (average of $588). Flying from Oklahoma City to Portugal in June is currently the most expensive (average of $1,076). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Oklahoma City to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Oklahoma City to Portugal

Discover the top 3 airlines that operate flights from Oklahoma City to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$609Average$1,110FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$683Average$1,199FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$835Average$877FlexibilityNo cancel feeOn-time70%

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