HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$582+ 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oklahoma City to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 29, 2026.

This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:38 am
OKC
-
LIS
2 stops19h 12m
Air Canada
Sun 11/81:00 pm
LIS
-
OKC
2 stops31h 08m
Air Canada
Deal found 4/28$805
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 10/277:10 am
OKC
-
LIS
2 stops21h 40m
United Airlines
Sun 11/85:00 am
LIS
-
OKC
2 stops21h 04m
United Airlines
Deal found 4/27$808
This KLM deal was found by Cheapflights users on 4/24. 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 10/271:00 pm
OKC
-
LIS
2 stops14h 00m
Multiple Airlines
Sun 11/811:15 am
LIS
-
OKC
2 stops18h 44m
Multiple Airlines
Deal found 4/24$821
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 9/237:00 am
OKC
-
LIS
2 stops22h 05m
United Airlines
Wed 10/1411:25 am
LIS
-
OKC
2 stops38h 38m
United Airlines
Deal found 4/28$849
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:05 am
OKC
-
LIS
2 stops18h 15m
Air Canada
Fri 10/91:00 pm
LIS
-
OKC
2 stops33h 47m
Air Canada
Deal found 4/27$909
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 10/17:10 am
OKC
-
LIS
2 stops21h 20m
United Airlines
Fri 10/91:00 pm
LIS
-
OKC
2 stops30h 49m
United Airlines
Deal found 4/28$910
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:30 am
OKC
-
LIS
3 stops16h 50m
Multiple Airlines
Fri 10/91:00 pm
LIS
-
OKC
2 stops28h 46m
Multiple Airlines
Deal found 4/28$946
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 6/15:04 am
OKC
-
LIS
2 stops23h 26m
United Airlines
Wed 9/3011:25 am
LIS
-
OKC
2 stops35h 22m
United Airlines
Deal found 4/28$1,042
This Air France deal was found by Cheapflights users on 4/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:57 am
OKC
-
FAO
2 stops17h 43m
Multiple Airlines
Mon 7/68:55 pm
FAO
-
OKC
2 stops29h 29m
Multiple Airlines
Deal found 4/27$1,210
This KAYAK deal was found by Cheapflights users on 4/24. 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.
Wed 7/15:36 pm
OKC
-
FAO
2 stops39h 24m
Multiple Airlines
Mon 7/63:25 pm
FAO
-
OKC
2 stops32h 50m
Multiple Airlines
Deal found 4/24$1,363
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 6/112:33 pm
OKC
-
FAO
2 stops42h 12m
United Airlines
Thu 6/183:25 pm
FAO
-
OKC
2 stops36h 22m
United Airlines
Deal found 4/27$1,477
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:29 pm
OKC
-
FNC
2 stops34h 11m
KLM
Wed 6/1010:25 am
FNC
-
OKC
2 stops36h 04m
KLM
Deal found 4/28$1,488

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$909
(Air Canada)

One-way from

$582
(Kiwi.com)

Popular in

May

Cheapest in

March

Average price

$1,048
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. 28% potential increase in price ($323 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 29, 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

Thu 10/1

7:10 am-10:30 am

2 stops21h 20m

Lisbon Humberto Delgado

Fri 10/9

1:00 pm-4:47 pm

2 stops33h 47m

$910
Quickest round-trip

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Thu 10/1

6:00 pm-4:05 pm

2 stops16h 05m

Lisbon Humberto Delgado

Fri 10/9

12:30 pm-12:01 am

2 stops17h 31m

$951

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Mon 6/1

5:04 am-10:30 am

2 stops23h 26m

Lisbon Humberto Delgado

Wed 9/30

11:25 am-4:47 pm

2 stops35h 22m

$1,042

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Fri 7/3

6:46 pm-8:20 am

2 stops31h 34m

Lisbon Humberto Delgado

Sun 7/12

1:00 pm-4:15 pm

2 stops33h 15m

$1,177

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 5/26

7:05 pm-8:20 am

2 stops31h 15m

Lisbon Humberto Delgado

Tue 6/2

11:25 am-4:05 pm

2 stops34h 40m

$1,179

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 6/9

7:10 am-11:05 am

2 stops21h 55m

Lisbon Humberto Delgado

Tue 6/16

11:25 am-11:29 pm

2 stops42h 04m

$1,183

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Tue 6/30

11:57 am-11:40 am

2 stops17h 43m

Faro

Mon 7/6

8:55 pm-8:24 pm

2 stops29h 29m

$1,210

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Wed 7/1

5:36 pm-3:00 pm

2 stops39h 24m

Faro

Mon 7/6

3:25 pm-6:15 pm

2 stops32h 50m

$1,363

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Thu 6/11

2:33 pm-2:45 pm

2 stops42h 12m

Faro

Thu 6/18

3:25 pm-9:47 pm

2 stops36h 22m

$1,477

Oklahoma CityFunchal

OKC - FNC

OKCFNC

Oklahoma City Will Rogers World

Wed 6/3

5:29 pm-9:40 am

2 stops34h 11m

Funchal Madeira

Wed 6/10

10:25 am-4:29 pm

2 stops36h 04m

$1,488

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 18 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 May is currently the most expensive (average of $963). 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 April 29, 2026.
See what other customers who have flown with United Airlines,American Airlines, andIberia 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
9,680 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,680 reviews
United Airlines
7.4
Good
9,680 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,680 reviews
United Airlines
7.4
Good
9,680 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Iberia
7.0
Good
3,203 reviews
United Airlines
7.4
Good
9,680 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,931 reviews
United Airlines
7.4
Good
9,680 reviews

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 21h 20m. Fly via United Airlines 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 - Faro and Oklahoma City Will Rogers World - Funchal Madeira.

  • 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 May is currently the most expensive (average of $963). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Oklahoma City to Portugal

Discover the top 4 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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$471Average$540FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$519Average$1,077FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$579Average$1,088FlexibilityNo cancel feeOn-time69%
IberiaCheapest$731Average$1,227FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights