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$217+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This oojo deal was found by Cheapflights users on 12/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:30 amDFW - LIS
1 stop14h 25mBritish Airways
Thu 1/810:40 amLIS - DFW
2 stops39h 40mBritish Airways
Deal found 12/18$592
This KAYAK deal was found by Cheapflights users on 12/17. 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.
Mon 12/293:59 pmDFW - LIS
2 stops46h 01mLufthansa
Thu 1/155:00 amLIS - DFW
2 stops22h 34mLufthansa
Deal found 12/17$609
This KAYAK deal was found by Cheapflights users on 12/17. 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.
Mon 12/293:59 pmDFW - LIS
2 stops41h 41mLufthansa
Mon 1/122:10 pmLIS - DFW
2 stops34h 11mLufthansa
Deal found 12/17$621
This British Airways deal was found by Cheapflights users on 12/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:15 pmDFW - LIS
1 stop14h 25mBritish Airways
Sun 1/187:05 amLIS - DFW
1 stop18h 05mBritish Airways
Deal found 12/17$638
This Lufthansa deal was found by Cheapflights users on 12/17. 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 12/294:15 pmDFW - LIS
1 stop24h 35mLufthansa
Wed 1/147:45 amLIS - DFW
2 stops21h 14mLufthansa
Deal found 12/17$639
This KLM deal was found by Cheapflights users on 12/17. 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 12/3011:10 amDFW - LIS
1 stop14h 50mKLM
Wed 1/1410:00 amLIS - DFW
1 stop17h 43mKLM
Deal found 12/17$651
This KAYAK deal was found by Cheapflights users on 12/17. 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.
Mon 12/293:59 pmDFW - LIS
2 stops41h 41mLufthansa
Sun 1/185:00 amLIS - DFW
2 stops23h 59mLufthansa
Deal found 12/17$659
This British Airways deal was found by Cheapflights users on 12/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:15 pmDFW - LIS
1 stop30h 35mBritish Airways
Wed 1/147:05 amLIS - DFW
1 stop18h 05mBritish Airways
Deal found 12/17$670
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:50 pmDFW - LIS
1 stop33h 05mBritish Airways
Tue 12/304:00 pmLIS - DFW
1 stop35h 10mBritish Airways
Deal found 12/16$671
This KAYAK deal was found by Cheapflights users on 12/17. 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.
Mon 12/293:59 pmDFW - LIS
2 stops46h 01mLufthansa
Sat 1/1712:20 pmLIS - DFW
2 stops40h 39mLufthansa
Deal found 12/17$680
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/317:00 amDFW - FNC
2 stops27h 10mMultiple Airlines
Fri 1/95:25 pmFNC - DFW
2 stops46h 11mMultiple Airlines
Deal found 12/16$1,145
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/3012:35 pmDFW - FNC
2 stops20h 35mMultiple Airlines
Fri 1/95:25 pmFNC - DFW
2 stops46h 11mMultiple Airlines
Deal found 12/17$1,216

Find flight deals from Oklahoma to Portugal

Keep the following information in mind while searching for Oklahoma to Portugal flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(Booking.com)

One-way from

$217
(oojo)

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 to Portugal
Search Deals
One-way flight from Oklahoma 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 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 18, 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

Thu 2/19

6:05 am-7:55 am

2 stops19h 50m

Lisbon Humberto Delgado

Tue 2/24

5:00 am-10:30 pm

2 stops23h 30m

$488

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Tue 1/13

10:30 am-9:20 am

2 stops16h 50m

Lisbon Humberto Delgado

Tue 1/20

11:20 am-3:02 pm

2 stops33h 42m

$490

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Wed 1/14

2:20 pm-9:20 am

2 stops37h 00m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-3:02 pm

2 stops33h 42m

$493

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Wed 1/21

12:06 pm-9:20 am

2 stops39h 14m

Lisbon Humberto Delgado

Sun 1/25

10:50 am-8:03 pm

2 stops39h 13m

$493

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Fri 1/30

5:45 am-8:10 am

2 stops20h 25m

Lisbon Humberto Delgado

Fri 2/6

10:55 am-1:50 pm

2 stops32h 55m

$494

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Tue 1/13

7:35 am-9:20 am

2 stops19h 45m

Lisbon Humberto Delgado

Sun 1/18

5:00 am-10:45 pm

2 stops23h 45m

$497

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Fri 1/23

5:45 am-8:10 am

2 stops20h 25m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-8:02 pm

2 stops21h 02m

$499

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Fri 1/23

10:00 am-8:10 am

2 stops16h 10m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-9:27 pm

2 stops22h 27m

$499

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 2/24

10:20 am-9:05 am

2 stops16h 45m

Lisbon Humberto Delgado

Tue 3/24

4:10 pm-7:40 pm

2 stops32h 30m

$500

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Tue 1/13

10:30 am-1:20 pm

2 stops20h 50m

Lisbon Humberto Delgado

Sun 1/18

5:00 am-10:45 pm

2 stops23h 45m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 55 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, December is the cheapest month in which you can book a flight from Oklahoma to Portugal (average of $518). Flying from Oklahoma to Portugal in June is currently the most expensive (average of $930). 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 December 18, 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 Air Canada, United Airlines, and British Airways fly from Oklahoma to Portugal in about 16h 50m. The time it takes to get you to your destination can typically vary by up to 20h 10m. Oklahoma and Portugal are separated by a distance of 4562 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, December is the cheapest month in which you can book a flight from Oklahoma to Portugal (average of $518). Flying from Oklahoma to Portugal in June is currently the most expensive (average of $930). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$609Average$1,023FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$683Average$1,201FlexibilityNo cancel feeOn-time71%
IberiaCheapest$696Average$701FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$714Average$836FlexibilityNo cancel feeOn-time70%

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