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$460+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Cheap 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 July 30, 2026.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 12/85:45 pm
OKC
-
LIS
2 stops31h 10m
United Airlines
Thu 12/1710:55 am
LIS
-
OKC
2 stops42h 26m
United Airlines
Deal found 7/29$734
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:00 am
OKC
-
LIS
2 stops22h 40m
Air Canada
Thu 12/108:55 am
LIS
-
OKC
2 stops39h 49m
Air Canada
Deal found 7/29$748
This United Airlines deal was found by Cheapflights users on 7/27. 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 11/155:47 pm
OKC
-
LIS
2 stops34h 53m
United Airlines
Wed 11/1811:20 am
LIS
-
OKC
2 stops40h 39m
United Airlines
Deal found 7/27$758
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:47 pm
OKC
-
LIS
2 stops24h 43m
Lufthansa
Sun 11/85:00 am
LIS
-
OKC
2 stops22h 59m
Lufthansa
Deal found 7/29$783
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 10/2710:10 am
OKC
-
LIS
2 stops17h 00m
United Airlines
Sun 11/810:40 am
LIS
-
OKC
3 stops41h 54m
United Airlines
Deal found 7/29$785
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/216:00 am
OKC
-
LIS
2 stops21h 20m
United Airlines
Wed 10/75:05 am
LIS
-
OKC
2 stops23h 26m
United Airlines
Deal found 7/29$793
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:30 am
OKC
-
LIS
2 stops39h 50m
Air Canada
Sun 11/2910:40 am
LIS
-
OKC
2 stops41h 54m
Air Canada
Deal found 7/29$854
This United Airlines deal was found by Cheapflights users on 7/28. 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 11/2111:30 am
OKC
-
LIS
2 stops39h 50m
United Airlines
Sun 11/2910:40 am
LIS
-
OKC
2 stops41h 54m
United Airlines
Deal found 7/28$859
This KLM deal was found by Cheapflights users on 7/25. 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.
Wed 9/95:22 pm
OKC
-
FNC
2 stops43h 13m
KLM
Wed 9/1610:25 am
FNC
-
OKC
2 stops36h 02m
KLM
Deal found 7/25$1,037
This British Airways deal was found by Cheapflights users on 7/26. 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.
Tue 8/253:23 pm
OKC
-
FAO
2 stops21h 47m
British Airways
Sat 9/58:00 pm
FAO
-
OKC
2 stops27h 12m
British Airways
Deal found 7/26$1,161
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:11 am
OKC
-
FAO
2 stops21h 39m
Aer Lingus
Sat 9/57:40 pm
FAO
-
OKC
2 stops31h 10m
Aer Lingus
Deal found 7/29$1,171
This KLM deal was found by Cheapflights users on 7/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:32 pm
OKC
-
FNC
2 stops23h 08m
KLM
Thu 9/310:05 am
FNC
-
OKC
2 stops40h 14m
KLM
Deal found 7/29$1,182

Find 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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$716
(Expedia)

One-way from

$460
(oojo)

Popular in

August

Cheapest in

March

Average price

$1,996
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 City Will Rogers World to Portugal
Search Deals
One-way flight from Oklahoma City Will Rogers World to Portugal
Search Deals
Highest demand for flights based on searches. 44% potential increase in price ($897 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease ($171 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 30, 2026.
Use the filters below to find and compare flights from Oklahoma City to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 12/8

5:45 pm-6:55 am

2 stops31h 10m

Lisbon Humberto Delgado

Thu 12/17

10:55 am-11:21 pm

2 stops42h 26m

$739

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Wed 1/13

7:10 am-6:55 am

2 stops17h 45m

Lisbon Humberto Delgado

Wed 1/27

11:20 am-4:47 pm

2 stops35h 27m

$739

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Mon 12/7

6:00 am-10:40 am

2 stops22h 40m

Lisbon Humberto Delgado

Thu 12/10

8:55 am-6:44 pm

2 stops39h 49m

$748

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sun 11/15

5:47 pm-10:40 am

2 stops34h 53m

Lisbon Humberto Delgado

Wed 11/18

11:20 am-9:59 pm

2 stops40h 39m

$758

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 10/27

7:00 am-8:10 am

2 stops20h 10m

Lisbon Humberto Delgado

Sun 11/8

10:40 am-10:34 pm

3 stops41h 54m

$785

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Sat 11/21

11:30 am-9:20 am

2 stops39h 50m

Lisbon Humberto Delgado

Sun 11/29

10:40 am-10:34 pm

2 stops41h 54m

$859

Oklahoma CityFunchal

OKC - FNC

OKCFNC

Oklahoma City Will Rogers World

Wed 9/9

5:22 pm-6:35 pm

2 stops43h 13m

Funchal Madeira

Wed 9/16

10:25 am-4:27 pm

2 stops36h 02m

$1,037

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Mon 9/21

5:45 pm-9:55 pm

2 stops22h 10m

Lisbon Humberto Delgado

Wed 10/7

7:15 pm-9:40 pm

2 stops32h 25m

$1,040

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Tue 8/25

3:23 pm-7:10 pm

2 stops21h 47m

Faro

Sat 9/5

8:00 pm-5:12 pm

2 stops27h 12m

$1,161

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Tue 8/25

11:11 am-2:50 pm

2 stops21h 39m

Faro

Sat 9/5

7:40 pm-8:50 pm

2 stops31h 10m

$1,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 20 resultsSorted by cheapest first
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, March is the cheapest month in which you can book a flight from Oklahoma City to Portugal (average of $451). Flying from Oklahoma City to Portugal in August is currently the most expensive (average of $3,000). 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.

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 July 30, 2026.
See what other customers who have flown with United 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
10,048 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,048 reviews
United Airlines
7.4
Good
10,048 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
British Airways
6.7
Okay
8,128 reviews
United Airlines
7.4
Good
10,048 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 22h 40m. Fly via United Airlines, Air Canada, or KLM 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 - Funchal Madeira 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, March is the cheapest month in which you can book a flight from Oklahoma City to Portugal (average of $451). Flying from Oklahoma City to Portugal in August is currently the most expensive (average of $3,000). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Oklahoma City to Portugal

Discover the top 2 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$458Average$508FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$579Average$1,088FlexibilityNo cancel feeOn-time69%

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