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Portugal

$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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
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 February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/4. 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 4/147:15 am
TUL
-
LIS
2 stops33h 30m
United Airlines
Tue 4/2111:25 am
LIS
-
TUL
2 stops41h 18m
United Airlines
Deal found 2/4$496
This KAYAK deal was found by Cheapflights users on 2/4. 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 4/136:25 pm
TUL
-
LIS
2 stops22h 20m
Lufthansa
Tue 4/215:05 am
LIS
-
TUL
2 stops23h 38m
Lufthansa
Deal found 2/4$504
This Delta deal was found by Cheapflights users on 2/4. 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.
Tue 4/145:45 am
TUL
-
LIS
2 stops23h 00m
Delta
Mon 4/2012:45 pm
LIS
-
TUL
2 stops27h 30m
Delta
Deal found 2/4$513
This Delta deal was found by Cheapflights users on 2/4. 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.
Tue 3/249:51 am
DFW
-
LIS
2 stops19h 44m
Delta
Fri 4/175:35 am
LIS
-
DFW
2 stops23h 49m
Delta
Deal found 2/4$515
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/237:25 am
DFW
-
LIS
2 stops19h 45m
United Airlines
Tue 3/317:25 am
LIS
-
DFW
1 stop36h 50m
United Airlines
Deal found 2/3$517
This Delta deal was found by Cheapflights users on 2/4. 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.
Sat 4/184:45 pm
DFW
-
LIS
1 stop33h 15m
Delta
Thu 4/3010:00 am
LIS
-
DFW
2 stops18h 07m
Delta
Deal found 2/4$518
This Priceline deal was found by Cheapflights users on 2/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:55 pm
DFW
-
LIS
1 stop16h 30m
Finnair
Mon 3/94:10 pm
LIS
-
DFW
1 stop29h 00m
Finnair
Deal found 2/5$519
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:41 pm
DFW
-
LIS
1 stop13h 24m
British Airways
Tue 3/2412:55 pm
LIS
-
DFW
2 stops25h 16m
British Airways
Deal found 2/2$520
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:50 pm
DFW
-
LIS
1 stop17h 00m
Finnair
Mon 4/134:35 pm
LIS
-
DFW
1 stop28h 30m
Finnair
Deal found 2/3$521
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:15 pm
DFW
-
LIS
1 stop24h 35m
Lufthansa
Tue 3/3112:35 pm
LIS
-
DFW
1 stop31h 40m
Lufthansa
Deal found 2/2$522
This Priceline deal was found by Cheapflights users on 2/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:30 am
DFW
-
LIS
2 stops15h 10m
Iberia
Tue 3/108:20 am
LIS
-
DFW
2 stops17h 14m
Iberia
Deal found 2/2$523
This United Airlines deal was found by Cheapflights users on 2/4. 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 5/512:26 pm
DFW
-
LIS
2 stops16h 34m
United Airlines
Wed 5/135:05 am
LIS
-
DFW
1 stop15h 10m
United Airlines
Deal found 2/4$524

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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$496
(United Airlines)

One-way from

$217
(oojo)

Popular in

May

Cheapest in

October

Average price

$540
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. 27% potential increase in price ($334 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 5, 2026.
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

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Tue 4/14

7:15 am-10:45 pm

2 stops33h 30m

Lisbon Humberto Delgado

Tue 4/21

11:25 am-10:43 pm

2 stops41h 18m

$496

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Thu 4/16

6:25 pm-10:45 pm

2 stops22h 20m

Lisbon Humberto Delgado

Tue 4/21

5:05 am-10:43 pm

2 stops23h 38m

$504

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Mon 4/13

6:25 pm-10:45 pm

2 stops22h 20m

Lisbon Humberto Delgado

Tue 4/21

5:05 am-10:43 pm

2 stops23h 38m

$504

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Mon 4/13

6:25 pm-10:45 pm

2 stops22h 20m

Lisbon Humberto Delgado

Wed 4/22

5:05 am-10:43 pm

2 stops23h 38m

$504

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Tue 4/14

5:45 am-10:45 am

2 stops23h 00m

Lisbon Humberto Delgado

Sun 4/19

12:45 pm-10:15 am

2 stops27h 30m

$513

TulsaLisbon

TUL - LIS

TULLIS

Tulsa

Tue 4/14

5:45 am-10:45 am

2 stops23h 00m

Lisbon Humberto Delgado

Mon 4/20

12:45 pm-10:15 am

2 stops27h 30m

$513

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 4/13

4:50 pm-3:50 pm

1 stop17h 00m

Lisbon Humberto Delgado

Sat 4/25

4:35 pm-3:05 pm

1 stop28h 30m

$521

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 4/13

11:47 am-2:55 pm

2 stops21h 08m

Lisbon Humberto Delgado

Sat 4/25

10:00 am-9:09 pm

1 stop17h 09m

$538

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 4/13

7:40 pm-11:10 am

1 stop33h 30m

Funchal Madeira

Tue 4/21

6:40 pm-5:05 pm

1 stop28h 25m

$542

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 4/13

7:40 pm-5:50 pm

1 stop16h 10m

Funchal Madeira

Wed 4/22

12:00 pm-5:05 pm

1 stop35h 05m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 58 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, March is the cheapest month in which you can book a flight from Oklahoma to Portugal (average of $463). Flying from Oklahoma to Portugal in July is currently the most expensive (average of $903). 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.

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 United Airlines, Lufthansa, and Delta fly from Oklahoma to Portugal in about 22h 20m. The time it takes to get you to your destination can typically vary by up to 11h 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, March is the cheapest month in which you can book a flight from Oklahoma to Portugal (average of $463). Flying from Oklahoma to Portugal in July is currently the most expensive (average of $903). 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$458Average$640FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$487Average$1,041FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$683Average$1,201FlexibilityNo cancel feeOn-time71%
IberiaCheapest$696Average$701FlexibilityNo cancel feeOn-time77%

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