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Portugal

$490+ Cheap flights from Oklahoma City (OKC) to Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Oklahoma City to Portugal

Best flights from Oklahoma City to Portugal
Discover carefully curated flight deals from Oklahoma City to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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 1/159:05 amOKC - LIS
2 stops18h 15mUnited Airlines
Thu 1/2911:20 amLIS - OKC
2 stops41h 03mUnited Airlines
Deal found 12/14$490
This Finnair deal was found by Cheapflights users on 12/13. 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.
Tue 2/242:42 pmOKC - LIS
2 stops12h 23mMultiple Airlines
Tue 3/244:10 pmLIS - OKC
2 stops32h 30mMultiple Airlines
Deal found 12/13$500
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Fri 1/2312:37 pmOKC - LIS
2 stops13h 33mUnited Airlines
Tue 1/275:00 amLIS - OKC
2 stops22h 27mUnited Airlines
Deal found 12/12$498
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 2/252:45 pmOKC - LIS
2 stops13h 30mUnited Airlines
Wed 4/81:00 pmLIS - OKC
2 stops40h 09mUnited Airlines
Deal found 12/14$574
This Finnair deal was found by Cheapflights users on 12/13. 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 3/1410:22 amOKC - LIS
2 stops17h 43mMultiple Airlines
Fri 3/2011:05 amLIS - OKC
2 stops16h 39mMultiple Airlines
Deal found 12/13$885

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$490
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$683
Provider with most accurate pricing for Oklahoma City Will Rogers World-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Lisbon Humberto Delgado flights.
Search Deals
From Oklahoma City Will Rogers World to Portugal
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($319 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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

Thu 1/15

9:05 am-9:20 am

2 stops18h 15m

Lisbon Humberto Delgado

Thu 1/29

11:20 am-10:23 pm

2 stops41h 03m

$490

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Fri 1/23

12:37 pm-8:10 am

2 stops13h 33m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-9:27 pm

2 stops22h 27m

$498

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 2/24

2:42 pm-9:05 am

2 stops12h 23m

Lisbon Humberto Delgado

Tue 3/24

4:10 pm-7:40 pm

2 stops32h 30m

$500

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Wed 2/25

2:45 pm-10:15 am

2 stops13h 30m

Lisbon Humberto Delgado

Wed 4/8

1:00 pm-11:09 pm

2 stops40h 09m

$574

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sat 3/14

10:22 am-9:05 am

2 stops17h 43m

Lisbon Humberto Delgado

Fri 3/20

11:05 am-10:44 pm

2 stops16h 39m

$885

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Mon 4/20

1:00 pm-7:05 pm

2 stops24h 05m

$497

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Mon 4/20

2:02 pm-6:25 pm

3 stops22h 23m

$617

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sun 12/21

12:01 pm-7:15 pm

2 stops25h 14m

$1,336

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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, December is the cheapest month in which you can book a flight from Oklahoma City to Portugal (average of $518). 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 December 15, 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 December 15, 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
9,092 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,048 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
British Airways
6.7
Okay
7,575 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 18h 15m. Fly via United Airlines to get the fastest option. There are 4673 mi between Oklahoma City and Portugal.

  • 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, December is the cheapest month in which you can book a flight from Oklahoma City to Portugal (average of $518). 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$609Average$1,106FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$683Average$1,201FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$835Average$932FlexibilityNo cancel feeOn-time70%

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