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$409+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$552
(United Airlines)

One-way from

$409
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,196
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 ($301 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:00 amOKC - LIS
2 stops21h 10mUnited Airlines
Tue 11/116:10 amLIS - OKC
2 stops20h 13mUnited Airlines
Deal found 9/11$554
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/144:07 pmOKC - LIS
2 stops35h 13mUnited Airlines
Tue 11/115:00 amLIS - OKC
2 stops21h 23mUnited Airlines
Deal found 9/11$637
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:49 pmOKC - LIS
2 stops34h 01mBritish Airways
Sun 11/28:45 pmLIS - OKC
2 stops31h 00mBritish Airways
Deal found 9/10$736
This KLM deal was found by Cheapflights users on 9/9. 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 11/284:02 pmOKC - FAO
2 stops18h 53mKLM
Tue 12/27:45 pmFAO - OKC
2 stops30h 58mKLM
Deal found 9/9$853
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/166:05 amOKC - LIS
2 stops21h 15mUnited Airlines
Thu 10/2312:20 pmLIS - OKC
2 stops26h 25mUnited Airlines
Deal found 9/11$871
This Ovago deal was found by Cheapflights users on 9/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:30 pmOKC - LIS
2 stops20h 40mBritish Airways
Sat 10/256:55 pmLIS - OKC
2 stops29h 04mBritish Airways
Deal found 9/11$872
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:19 pmOKC - LIS
2 stops22h 46mBritish Airways
Thu 10/167:20 amLIS - OKC
2 stops21h 09mBritish Airways
Deal found 9/11$886
This Gurufare deal was found by Cheapflights users on 9/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:30 pmOKC - LIS
2 stops20h 40mBritish Airways
Fri 10/247:05 pmLIS - OKC
2 stops33h 21mBritish Airways
Deal found 9/11$919
This Air Canada deal was found by Cheapflights users on 9/11. 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 10/166:05 amOKC - LIS
2 stops21h 15mAir Canada
Fri 10/2411:25 amLIS - OKC
2 stops31h 06mAir Canada
Deal found 9/11$923
This Air Canada deal was found by Cheapflights users on 9/11. 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 10/166:05 amOKC - LIS
2 stops21h 15mAir Canada
Sat 10/259:50 amLIS - OKC
2 stops40h 33mAir Canada
Deal found 9/11$931
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/1812:07 pmOKC - LIS
2 stops14h 13mUnited Airlines
Sat 10/259:50 amLIS - OKC
2 stops36h 36mUnited Airlines
Deal found 9/11$935
This KAYAK deal was found by Cheapflights users on 9/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/172:39 pmOKC - LIS
2 stops26h 31mFinnair
Thu 10/237:20 amLIS - OKC
2 stops21h 02mFinnair
Deal found 9/11$956

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 September 11, 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

Tue 10/14

4:07 pm-9:20 am

2 stops35h 13m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-8:23 pm

2 stops21h 23m

$637

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 10/14

11:09 am-2:35 pm

2 stops21h 26m

Lisbon Humberto Delgado

Tue 11/11

11:25 am-11:58 pm

2 stops18h 33m

$691

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sun 10/26

6:49 pm-9:50 am

2 stops34h 01m

Lisbon Humberto Delgado

Sun 11/2

8:45 pm-9:45 pm

2 stops31h 00m

$736

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Fri 11/28

8:10 am-4:55 pm

2 stops26h 45m

Faro

Tue 12/2

7:45 pm-8:30 pm

2 stops30h 45m

$853

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sat 10/11

5:32 pm-10:45 am

2 stops35h 13m

Lisbon Humberto Delgado

Sun 10/19

10:15 pm-6:41 pm

2 stops26h 26m

$1,147

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sat 10/11

5:15 pm-9:20 am

2 stops34h 05m

Lisbon Humberto Delgado

Sun 10/19

6:15 am-10:37 am

2 stops34h 22m

$1,156

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 10/14

11:30 am-11:05 am

3 stops17h 35m

Lisbon Humberto Delgado

Tue 11/11

11:20 am-3:31 pm

2 stops34h 11m

$1,217

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Mon 11/24

1:58 pm-9:30 pm

2 stops25h 32m

Lisbon Humberto Delgado

Sat 11/29

7:05 am-11:58 pm

2 stops22h 53m

$1,250

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sat 10/11

11:30 am-11:05 am

3 stops17h 35m

Lisbon Humberto Delgado

Sun 10/19

12:55 pm-11:46 am

2 stops28h 51m

$1,796

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Mon 11/24

2:51 pm-6:45 am

2 stops33h 54m

Lisbon Humberto Delgado

Sat 11/29

10:30 am-10:17 pm

1 stop17h 47m

$1,946

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 14 results
1
2

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 $612). Flying from Oklahoma City to Portugal in June is currently the most expensive (average of $1,127). 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 September 11, 2025.

When flying from Oklahoma City to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 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
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 21h 26m. Fly via United Airlines, Delta, or British Airways 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 $612). Flying from Oklahoma City to Portugal in June is currently the most expensive (average of $1,127). 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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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$673Average$1,254FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$683Average$1,163FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$699Average$877FlexibilityNo cancel feeOn-time70%

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