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$309+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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 2/267:33 am
OKC
-
LIS
2 stops20h 42m
United Airlines
Thu 3/55:00 am
LIS
-
OKC
2 stops19h 47m
United Airlines
Deal found 1/27$500
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/42:45 pm
OKC
-
LIS
2 stops13h 30m
United Airlines
Sun 3/85:00 am
LIS
-
OKC
2 stops23h 08m
United Airlines
Deal found 1/28$501
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:43 am
OKC
-
LIS
2 stops31h 47m
Lufthansa
Tue 3/242:10 pm
LIS
-
OKC
2 stops57h 37m
Lufthansa
Deal found 1/27$516
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:06 pm
OKC
-
LIS
2 stops18h 59m
Iberia
Wed 4/158:55 am
LIS
-
OKC
2 stops20h 52m
Iberia
Deal found 1/28$522
This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:53 pm
OKC
-
LIS
2 stops34h 02m
Multiple Airlines
Tue 3/248:20 am
LIS
-
OKC
2 stops19h 33m
Multiple Airlines
Deal found 1/28$591
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/195:00 am
OKC
-
LIS
2 stops20h 55m
United Airlines
Thu 2/2611:20 am
LIS
-
OKC
3 stops40h 10m
United Airlines
Deal found 1/27$610
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sun 2/159:43 am
OKC
-
LIS
2 stops16h 27m
United Airlines
Sun 2/2211:55 am
LIS
-
OKC
2 stops17h 11m
United Airlines
Deal found 1/28$683
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:40 pm
OKC
-
LIS
2 stops20h 45m
British Airways
Fri 10/97:20 am
LIS
-
OKC
2 stops22h 09m
British Airways
Deal found 1/28$729
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:00 pm
OKC
-
LIS
2 stops38h 00m
Scandinavian Airlines
Sat 9/197:15 am
LIS
-
OKC
2 stops22h 36m
Scandinavian Airlines
Deal found 1/27$732
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Fri 1/3012:37 pm
OKC
-
LIS
2 stops13h 33m
United Airlines
Thu 2/56:10 am
LIS
-
OKC
2 stops20h 18m
United Airlines
Deal found 1/28$741
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:17 pm
OKC
-
FAO
2 stops40h 48m
British Airways
Mon 7/61:10 pm
FAO
-
OKC
2 stops41h 03m
British Airways
Deal found 1/27$1,456
This Gurufare deal was found by Cheapflights users on 1/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:35 pm
OKC
-
FAO
2 stops40h 30m
Lufthansa
Mon 7/63:25 pm
FAO
-
OKC
2 stops36h 11m
Lufthansa
Deal found 1/28$1,475

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$500
(United Airlines)

One-way from

$309
(KAYAK)

Popular in

May

Cheapest in

October

Average price

$673
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. 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 January 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 January 29, 2026.
Use the filters below to find and compare flights from Oklahoma City to Portugal that are best for you.

Fly from

Oklahoma City

Fly to

Portugal

Route

Depart

Return

Price

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Wed 3/4

6:05 am-10:15 am

2 stops22h 10m

Lisbon Humberto Delgado

Sun 3/8

12:15 pm-4:41 pm

2 stops33h 26m

$500

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Thu 2/26

7:33 am-10:15 am

2 stops20h 42m

Lisbon Humberto Delgado

Thu 3/5

5:00 am-6:47 pm

2 stops19h 47m

$500

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 2/24

9:43 am-11:30 pm

2 stops31h 47m

Lisbon Humberto Delgado

Tue 3/24

2:10 pm-6:47 pm

2 stops57h 37m

$516

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Thu 4/9

7:06 pm-8:05 pm

2 stops18h 59m

Lisbon Humberto Delgado

Wed 4/15

8:55 am-11:47 pm

2 stops20h 52m

$522

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Thu 4/9

7:00 pm-8:05 pm

2 stops19h 05m

Lisbon Humberto Delgado

Tue 4/14

8:25 am-10:52 pm

2 stops20h 27m

$522

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Tue 2/24

5:53 pm-9:55 am

2 stops34h 02m

Lisbon Humberto Delgado

Tue 3/24

8:20 am-10:53 pm

2 stops19h 33m

$591

Oklahoma CityLisbon

OKC - LIS

OKCLIS

Oklahoma City Will Rogers World

Thu 2/19

5:00 am-7:55 am

2 stops20h 55m

Lisbon Humberto Delgado

Thu 2/26

11:20 am-9:30 pm

3 stops40h 10m

$610

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Wed 7/1

8:17 pm-7:05 pm

2 stops40h 48m

Faro

Mon 7/6

1:10 pm-12:13 am

2 stops41h 03m

$1,456

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Wed 7/1

4:35 pm-3:05 pm

2 stops40h 30m

Faro

Mon 7/6

3:25 pm-9:36 pm

2 stops36h 11m

$1,475

Oklahoma CityFaro

OKC - FAO

OKCFAO

Oklahoma City Will Rogers World

Tue 6/30

4:35 pm-2:30 pm

2 stops39h 55m

Faro

Mon 7/6

3:25 pm-11:46 am

2 stops50h 21m

$1,485

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 20 results
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, October is the cheapest month in which you can book a flight from Oklahoma City to Portugal (average of $465). Flying from Oklahoma City to Portugal in June is currently the most expensive (average of $1,055). 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 January 29, 2026.
See what other customers who have flown with United Airlines, American 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
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,206 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,705 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 10m. Fly via United Airlines, Lufthansa, or British Airways 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, October is the cheapest month in which you can book a flight from Oklahoma City to Portugal (average of $465). Flying from Oklahoma City to Portugal in June is currently the most expensive (average of $1,055). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Oklahoma City to Portugal

Discover the top 3 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$471Average$835FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$609Average$1,088FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$683Average$1,201FlexibilityNo cancel feeOn-time71%

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