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Portugal

$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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — LIS
May 3 — May 101
Sat 5/3
Sat 5/10
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 28, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$699
(Air Canada)

One-way from

$288
(United Airlines)

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, 3% 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 28, 2025.

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.
Sat 11/17:15 amDFW - LIS
2 stops21h 05mAir Canada
Sat 11/85:00 amLIS - DFW
2 stops23h 22mAir Canada
Deal found 4/27$661
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:20 pmDFW - LIS
1 stop19h 45mBritish Airways
Sat 10/186:55 pmLIS - DFW
1 stop23h 40mBritish Airways
Deal found 4/28$663
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:00 amDFW - FNC
2 stops20h 05mBritish Airways
Sun 9/281:10 pmFNC - DFW
2 stops36h 50mBritish Airways
Deal found 4/27$670
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:00 amDFW - LIS
2 stops19h 50mDelta
Sat 10/49:45 amLIS - DFW
2 stops20h 23mDelta
Deal found 4/27$675
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.
Tue 9/237:55 pmDFW - OPO
2 stops31h 25mMultiple Airlines
Tue 10/76:00 amOPO - DFW
2 stops34h 52mMultiple Airlines
Deal found 4/28$699
This Iberia 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 Iberia 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 4/28$704
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:40 pmDFW - LIS
1 stop12h 25mIberia
Tue 9/308:25 amLIS - DFW
1 stop17h 45mIberia
Deal found 4/28$706
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:25 pmDFW - OPO
2 stops15h 15mAmerican Airlines
Mon 10/138:15 amOPO - DFW
1 stop17h 55mAmerican Airlines
Deal found 4/28$709
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.
Mon 9/19:25 amDFW - LIS
1 stop17h 55mUnited Airlines
Tue 9/911:25 amLIS - DFW
2 stops30h 03mUnited Airlines
Deal found 4/27$711
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/19:25 pmDFW - LIS
1 stop14h 30mMultiple Airlines
Thu 7/176:35 amLIS - DFW
1 stop15h 35mMultiple Airlines
Deal found 4/27$712
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.
Tue 9/2311:35 amDFW - OPO
1 stop14h 10mUnited Airlines
Tue 10/76:00 amOPO - DFW
2 stops22h 03mUnited Airlines
Deal found 4/28$714
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/305:50 pmDFW - LIS
1 stop23h 20mFinnair
Tue 8/56:35 amLIS - DFW
1 stop19h 35mFinnair
Deal found 4/28$726

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 28, 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 9/23

7:55 pm-9:20 am

2 stops31h 25m

Porto

Tue 10/7

6:00 am-10:52 am

2 stops34h 52m

$699

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 9/23

9:40 pm-7:55 pm

1 stop16h 15m

Porto

Tue 10/7

12:20 pm-8:10 pm

1 stop13h 50m

$704

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 10/7

2:25 pm-11:40 am

2 stops15h 15m

Porto

Mon 10/13

8:15 am-8:10 pm

1 stop17h 55m

$709

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 7/1

9:25 pm-5:55 pm

1 stop14h 30m

Lisbon Humberto Delgado

Thu 7/17

6:35 am-4:10 pm

1 stop15h 35m

$712

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 9/23

11:35 am-7:45 am

1 stop14h 10m

Porto

Tue 10/7

6:00 am-10:03 pm

2 stops22h 03m

$714

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 7/5

7:50 pm-11:05 am

1 stop33h 15m

Lisbon Humberto Delgado

Tue 7/29

12:55 pm-11:24 am

2 stops28h 29m

$724

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 6/30

5:50 pm-11:10 pm

1 stop23h 20m

Lisbon Humberto Delgado

Tue 8/5

6:35 am-8:10 pm

1 stop19h 35m

$726

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 7/2

1:12 pm-9:05 am

1 stop13h 53m

Lisbon Humberto Delgado

Thu 7/10

12:30 pm-8:10 pm

1 stop13h 40m

$727

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 9/23

3:50 pm-3:30 pm

1 stop17h 40m

Porto

Tue 10/7

6:15 am-11:00 pm

2 stops22h 45m

$727

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 7/8

9:25 am-11:05 am

2 stops19h 40m

Lisbon Humberto Delgado

Tue 7/15

5:05 am-10:52 am

2 stops35h 47m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 55 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 28, 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 28, 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
7,929 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,273 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,587 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7.4
Good
1,444 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 American Airlines, 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.

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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 3 airlines flying from Oklahoma to Portugal

Discover the top 3 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$674Average$1,083FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$676Average$992FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$699Average$967FlexibilityNo cancel feeOn-time70%

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