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$218+ Cheap flights from Oklahoma 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Oklahoma to Portugal

Cheapest flights from Oklahoma to Portugal
Explore the most affordable flight options available from Oklahoma to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Delta deal was found by Cheapflights users on 11/2. 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 12/87:10 amOKC - LIS
2 stops18h 50mDelta
Wed 12/2411:25 amLIS - OKC
2 stops36h 17mDelta
Deal found 11/2$485
This Finnair deal was found by Cheapflights users on 11/2. 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.
Sun 11/3010:19 amOKC - LIS
2 stops16h 46mMultiple Airlines
Sun 12/74:10 pmLIS - OKC
2 stops31h 45mMultiple Airlines
Deal found 11/2$499
This KLM deal was found by Cheapflights users on 11/2. 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.
Tue 12/21:59 pmOKC - LIS
2 stops13h 01mKLM
Tue 12/95:00 amLIS - OKC
2 stops18h 08mKLM
Deal found 11/2$501
This Air Canada deal was found by Cheapflights users on 11/2. 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 12/57:17 pmDFW - LIS
2 stops56h 03mAir Canada
Tue 12/1611:20 amLIS - DFW
1 stop16h 19mAir Canada
Deal found 11/2$538
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/45:35 pmDFW - LIS
1 stop10h 40mUnited Airlines
Tue 11/115:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 11/2$542
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/17:28 pmDFW - LIS
2 stops31h 52mUnited Airlines
Mon 12/85:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 11/3$557
This CheapOair deal was found by Cheapflights users on 11/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/13:45 pmDFW - LIS
1 stop11h 35mMultiple Airlines
Mon 12/85:00 amLIS - DFW
1 stop15h 25mMultiple Airlines
Deal found 11/3$559
This lastminute.com deal was found by Cheapflights users on 11/2. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:20 pmOKC - LIS
2 stops34h 00mAir Canada
Wed 12/2411:00 amLIS - OKC
2 stops39h 43mAir Canada
Deal found 11/2$562
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:15 pmDFW - LIS
1 stop16h 15mMultiple Airlines
Fri 11/215:00 amLIS - DFW
2 stops23h 07mMultiple Airlines
Deal found 11/2$568
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/307:25 pmDFW - LIS
2 stops31h 55mUnited Airlines
Sun 12/710:50 amLIS - DFW
2 stops39h 23mUnited Airlines
Deal found 11/2$571
This Lufthansa deal was found by Cheapflights users on 11/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:15 pmDFW - LIS
1 stop24h 35mLufthansa
Wed 11/265:00 amLIS - DFW
2 stops19h 29mLufthansa
Deal found 11/3$572
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:20 pmDFW - LIS
3 stops22h 35mMultiple Airlines
Thu 12/119:05 pmLIS - DFW
3 stops30h 27mMultiple Airlines
Deal found 11/3$574

Cheap flight deals from Oklahoma to Portugal

Keep the following information in mind while searching for Oklahoma to Portugal flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$485
(Delta)

One-way from

$218
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$723
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 to Portugal
Search Deals
One-way flight from Oklahoma to Portugal
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($306 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oklahoma 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 November 3, 2025.
Use the filters below to find and compare flights from Oklahoma to Portugal that are best for you.

Fly from

Oklahoma

Fly to

Portugal

Route

Depart

Return

Price

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Mon 12/8

7:10 am-8:00 am

2 stops18h 50m

Lisbon Humberto Delgado

Wed 12/24

11:25 am-5:42 pm

2 stops36h 17m

$485

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sun 11/30

10:19 am-9:05 am

2 stops16h 46m

Lisbon Humberto Delgado

Sun 12/7

4:10 pm-5:55 pm

2 stops31h 45m

$499

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 12/2

1:59 pm-9:00 am

2 stops13h 01m

Lisbon Humberto Delgado

Tue 12/9

5:00 am-5:08 pm

2 stops18h 08m

$501

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 2/8

9:15 pm-2:15 pm

1 stop35h 00m

Funchal Madeira

Mon 2/16

4:55 pm-7:10 pm

1 stop32h 15m

$555

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 1/8

11:51 am-3:10 pm

2 stops21h 19m

Lisbon Humberto Delgado

Fri 1/30

5:00 am-10:52 pm

2 stops23h 52m

$559

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 2/24

11:25 am-9:00 am

2 stops15h 35m

Lisbon Humberto Delgado

Tue 3/24

11:15 am-11:59 pm

2 stops17h 44m

$560

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 2/19

5:29 pm-10:15 am

1 stop10h 46m

Lisbon Humberto Delgado

Wed 2/25

11:55 am-8:33 pm

1 stop14h 38m

$571

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 2/16

1:20 pm-8:10 am

1 stop12h 50m

Lisbon Humberto Delgado

Sun 3/1

10:15 am-6:26 pm

1 stop14h 11m

$571

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/16

11:55 am-9:30 am

2 stops16h 35m

Porto

Wed 3/25

6:00 am-8:23 pm

2 stops19h 23m

$573

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 2/15

9:15 pm-9:45 pm

1 stop18h 30m

Lisbon Humberto Delgado

Sat 2/28

7:00 am-7:10 pm

1 stop18h 10m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 57 results
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Best time to book a flight from Oklahoma to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Oklahoma 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 to Portugal

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

Currently, January is the cheapest month in which you can book a flight from Oklahoma to Portugal (average of $588). Flying from Oklahoma to Portugal in June is currently the most expensive (average of $951). 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 OK to PT?

Find hourly flight availability from Oklahoma 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 November 3, 2025.

It’s optimal to fly from Oklahoma to Portugal in the afternoon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

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

  • How long is the flight from Oklahoma to Portugal?

    Airlines like Delta, KLM, and British Airways fly from Oklahoma to Portugal in about 13h 01m. The time it takes to get you to your destination can typically vary by up to 21h 59m. Oklahoma and Portugal are separated by a distance of 4673 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Oklahoma to Portugal one-way?

    The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as $302. However, be on the lookout for offers from Scandinavian Airlines and American Airlines, as they are both options that can get you from Oklahoma to Portugal for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oklahoma 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 to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Oklahoma to Portugal (average of $588). Flying from Oklahoma to Portugal in June is currently the most expensive (average of $951). 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 to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Oklahoma to Portugal

Discover the top 4 airlines that operate flights from Oklahoma 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$609Average$1,040FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$683Average$1,201FlexibilityNo cancel feeOn-time71%
IberiaCheapest$696Average$701FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$714Average$895FlexibilityNo cancel feeOn-time70%

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