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$566+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$741
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,472
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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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Travelocity deal was found by Cheapflights users on 4/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:45 pmOKC - LIS
2 stops18h 10mBritish Airways
Mon 11/248:45 pmLIS - OKC
2 stops22h 46mBritish Airways
Deal found 4/30$566
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 10/57:35 amOKC - LIS
2 stops19h 45mUnited Airlines
Fri 10/2411:25 amLIS - OKC
2 stops37h 36mUnited Airlines
Deal found 4/30$741
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Sat 10/115:17 pmOKC - LIS
2 stops34h 03mAir Canada
Sun 10/1912:55 pmLIS - OKC
2 stops37h 13mAir Canada
Deal found 4/30$813
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2310:24 amOKC - LIS
2 stops16h 41mAmerican Airlines
Thu 7/3111:05 amLIS - OKC
2 stops18h 54mAmerican Airlines
Deal found 4/30$867
This AirNGo deal was found by Cheapflights users on 4/30. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/97:00 amOKC - LIS
2 stops19h 00mKLM
Tue 6/2410:00 amLIS - OKC
2 stops19h 59mKLM
Deal found 4/30$899
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/97:00 amOKC - LIS
1 stop19h 00mDelta
Tue 6/2410:00 amLIS - OKC
2 stops16h 23mDelta
Deal found 4/30$923
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Wed 7/239:40 amOKC - LIS
3 stops17h 40mMultiple Airlines
Thu 7/3112:55 pmLIS - OKC
2 stops28h 59mMultiple Airlines
Deal found 4/30$929
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/166:12 amOKC - FAO
2 stops21h 38mUnited Airlines
Tue 6/2411:40 amFAO - OKC
2 stops17h 50mUnited Airlines
Deal found 4/29$1,224
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1610:45 amOKC - FAO
2 stops17h 05mMultiple Airlines
Tue 6/246:05 amFAO - OKC
3 stops21h 34mMultiple Airlines
Deal found 4/29$1,502

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 May 1, 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

Sun 10/5

7:35 am-9:20 am

2 stops19h 45m

Lisbon Humberto Delgado

Fri 10/24

11:25 am-7:01 pm

2 stops37h 36m

$741

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sat 10/11

5:17 pm-9:20 am

2 stops34h 03m

Lisbon Humberto Delgado

Sun 10/19

12:55 pm-8:08 pm

2 stops37h 13m

$813

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Wed 7/23

10:24 am-9:05 am

2 stops16h 41m

Lisbon Humberto Delgado

Thu 7/31

11:05 am-11:59 pm

2 stops18h 54m

$867

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Mon 6/9

7:00 am-8:00 am

2 stops19h 00m

Lisbon Humberto Delgado

Tue 6/24

10:00 am-11:59 pm

2 stops19h 59m

$899

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Mon 6/9

7:00 am-8:00 am

1 stop19h 00m

Lisbon Humberto Delgado

Tue 6/24

10:00 am-8:23 pm

2 stops16h 23m

$923

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Thu 5/15

7:21 pm-10:05 am

2 stops32h 44m

Lisbon Humberto Delgado

Wed 5/21

12:30 pm-11:50 pm

2 stops17h 20m

$926

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Wed 7/23

9:40 am-9:20 am

3 stops17h 40m

Lisbon Humberto Delgado

Thu 7/31

12:55 pm-11:54 am

2 stops28h 59m

$929

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Mon 6/16

6:12 am-9:50 am

2 stops21h 38m

Faro

Tue 6/24

11:40 am-11:30 pm

2 stops17h 50m

$1,224

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Mon 6/16

10:45 am-9:50 am

2 stops17h 05m

Faro

Tue 6/24

6:05 am-9:39 pm

3 stops21h 34m

$1,502

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $1,178). 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 May 1, 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.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,245 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 - Porto Santo and Oklahoma City Will Rogers World - Faro.

  • 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 $1,178). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$694Average$1,201FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$699Average$932FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$728Average$1,226FlexibilityNo cancel feeOn-time69%

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