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$288+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Oklahoma to Portugal

Keep the following information in mind while searching for Oklahoma to Portugal flight deals. Data was last updated April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$550
(Cheapflightsfares)

One-way from

$288
(United)

Popular in

December

Cheapest in

February

Average price

$1,026
Provider with most accurate pricing for Oklahoma City Will Rogers World-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Lisbon Humberto Delgado flights.
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From Oklahoma to Portugal
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One-way flight from Oklahoma to Portugal
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 9/239:40 pmDFW - OPO
1 stop16h 15mIberia
Tue 10/712:20 pmOPO - DFW
1 stop13h 50mIberia
Deal found 4/13$550
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/62:59 pmDFW - OPO
2 stops22h 31mBritish Airways
Tue 5/1312:20 pmOPO - DFW
1 stop13h 50mBritish Airways
Deal found 4/14$576
This American Airlines deal was found by Cheapflights users on 4/14. 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 9/2312:19 pmDFW - OPO
2 stops17h 21mAmerican Airlines
Tue 10/78:15 amOPO - DFW
1 stop17h 55mAmerican Airlines
Deal found 4/14$578
This Iberia deal was found by Cheapflights users on 4/15. 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.
Wed 11/192:25 pmDFW - LIS
2 stops15h 25mMultiple Airlines
Fri 11/287:05 amLIS - DFW
1 stop18h 05mMultiple Airlines
Deal found 4/15$594
This Air Canada deal was found by Cheapflights users on 4/14. 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.
Wed 12/317:15 amDFW - OPO
2 stops29h 25mMultiple Airlines
Tue 1/137:30 pmOPO - DFW
2 stops32h 54mMultiple Airlines
Deal found 4/14$599
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:50 pmDFW - OPO
2 stops31h 30mAir Canada
Thu 8/2112:10 pmOPO - DFW
2 stops29h 40mAir Canada
Deal found 4/14$602
This KLM deal was found by Cheapflights users on 4/14. 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 12/314:00 pmDFW - OPO
1 stop12h 50mKLM
Tue 1/1311:15 amOPO - DFW
2 stops19h 02mKLM
Deal found 4/14$606
This United Airlines deal was found by Cheapflights users on 4/14. 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 8/89:25 amDFW - LIS
1 stop16h 55mUnited Airlines
Thu 8/2111:25 amLIS - DFW
1 stop16h 05mUnited Airlines
Deal found 4/14$617
This Delta deal was found by Cheapflights users on 4/15. 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.
Wed 4/2310:37 amDFW - OPO
2 stops18h 03mDelta
Wed 5/74:20 pmOPO - DFW
2 stops25h 11mDelta
Deal found 4/15$618
This KLM deal was found by Cheapflights users on 4/14. 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.
Thu 4/2412:06 pmDFW - LIS
1 stop13h 54mKLM
Wed 5/712:45 pmLIS - DFW
1 stop15h 48mKLM
Deal found 4/14$621
This Finnair deal was found by Cheapflights users on 4/14. 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 5/54:50 pmDFW - LIS
1 stop16h 50mFinnair
Mon 5/124:30 pmLIS - DFW
1 stop28h 35mFinnair
Deal found 4/14$622
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/109:25 amDFW - LIS
1 stop17h 55mAir Canada
Sun 8/2412:55 pmLIS - DFW
1 stop15h 27mAir Canada
Deal found 4/14$624

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 April 15, 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

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 5/6

2:59 pm-7:30 pm

2 stops22h 31m

Porto

Tue 5/13

12:20 pm-8:10 pm

1 stop13h 50m

$576

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 7/1

9:40 pm-4:05 pm

1 stop12h 25m

Lisbon Humberto Delgado

Thu 7/31

7:20 am-4:05 pm

1 stop14h 45m

$618

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 4/23

10:37 am-10:40 am

2 stops18h 03m

Porto

Wed 5/7

4:20 pm-11:31 am

2 stops25h 11m

$618

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/5

11:21 am-10:40 am

2 stops17h 19m

Porto

Thu 5/15

6:30 am-8:57 pm

2 stops20h 27m

$620

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 4/24

12:06 pm-8:00 am

1 stop13h 54m

Lisbon Humberto Delgado

Wed 5/7

12:45 pm-10:33 pm

1 stop15h 48m

$621

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 5/5

4:50 pm-3:40 pm

1 stop16h 50m

Lisbon Humberto Delgado

Mon 5/12

4:30 pm-3:05 pm

1 stop28h 35m

$622

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 7/14

11:15 am-10:45 am

1 stop17h 30m

Lisbon Humberto Delgado

Tue 7/22

12:45 pm-10:53 pm

1 stop16h 08m

$625

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 4/28

5:24 pm-10:30 am

1 stop11h 06m

Lisbon Humberto Delgado

Mon 5/5

11:25 am-1:39 pm

2 stops32h 14m

$627

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 4/23

9:53 am-10:45 am

2 stops18h 52m

Lisbon Humberto Delgado

Mon 4/28

6:50 pm-1:35 pm

1 stop24h 45m

$632

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 4/26

10:59 pm-10:05 am

1 stop29h 06m

Lisbon Humberto Delgado

Wed 5/7

9:00 am-8:10 pm

1 stop17h 10m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 50 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, January is the cheapest month in which you can book a flight from Oklahoma to Portugal (average of $612). Flying from Oklahoma to Portugal in June is currently the most expensive (average of $1,203). 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 April 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oklahoma to Portugal as you normally would.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 15, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Oklahoma to Portugal have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,918 reviews
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,578 reviews
Delta
8.0
Very good
7,918 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Oklahoma to Portugal one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $288. However, be on the lookout for offers from Air Canada and Delta, as they are both options that can get you from Oklahoma to Portugal for a low price.

  • 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, January is the cheapest month in which you can book a flight from Oklahoma to Portugal (average of $612). Flying from Oklahoma to Portugal in June is currently the most expensive (average of $1,203). 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$577Average$1,026FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$638Average$996FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$674Average$1,087FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$699Average$939FlexibilityNo cancel feeOn-time70%

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