What is the cheapest airline that flies from Oklahoma to Portugal?

Air Canada, United Airlines, and Delta are the most popular carriers operating from Oklahoma to Portugal

How long is the flight from Oklahoma to Portugal?

Average flight duration from Oklahoma to Portugal depends on which airport you fly into and out of. Flying from Tulsa to Lisbon is 14h 50m on average, while flying from Oklahoma City to Lisbon is 19h 05m on average. Lisbon is the most popular airport in Portugal.

What airlines fly to Portugal?

United Airlines, American Airlines and British Airways are the top three most popular airlines that fly to Portugal from Oklahoma according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 4 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Oklahoma to Portugal?

Prices for flights from Oklahoma to Portugal are refreshed on a daily basis.

How many operators does momondo search for flights from Oklahoma to Portugal?

As of September 2025, there are 11 operators available to choose from for flights from Oklahoma to Portugal.

How old do you have to be to fly from Oklahoma to Portugal?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oklahoma to Portugal.

What documentation or ID do you need to fly to Portugal?

The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$221 Cheap Flights from Oklahoma to Portugal in 2025/26

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Find the cheapest flights from Oklahoma to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

9:15 pm - 2:15 pmDFW-FNC

35h 00m1 stop

4:55 pm - 7:10 pmFNC-DFW

32h 15m1 stop

$502British Airways

Find Deal

Sun, Feb 8 - Mon, Feb 16

12:01 pm - 4:05 pmDFW-FNC

22h 04m2 stops

12:25 pm - 7:10 pmFNC-DFW

36h 45m1 stop

$517British Airways

Find Deal

Sun, Feb 8 - Mon, Feb 16

12:05 pm - 9:30 amDFW-OPO

16h 25m2 stops

12:35 pm - 10:57 pmOPO-DFW

16h 22m2 stops

$536United Airlines

Find Deal

Mon, Oct 27 - Wed, Nov 12

2:58 pm - 9:45 amDFW-OPO

12h 47m1 stop

12:35 pm - 11:08 amOPO-DFW

28h 33m2 stops

$538United Airlines

Find Deal

Mon, Oct 20 - Wed, Nov 5

1:35 pm - 5:10 pmDFW-FNC

21h 35m2 stops

10:20 am - 12:16 amFNC-DFW

19h 56m2 stops

$551KLM

Find Deal

Thu, Nov 13 - Thu, Nov 20

7:05 am - 9:15 pmDFW-OPO

33h 10m3 stops

6:05 am - 9:09 pmOPO-DFW

21h 04m2 stops

$551Multiple Airlines

Find Deal

Mon, Oct 27 - Wed, Nov 12

3:35 pm - 9:35 amDFW-FNC

36h 00m2 stops

10:10 am - 12:17 amFNC-DFW

20h 07m2 stops

$552KLM

Find Deal

Mon, Feb 2 - Sun, Feb 8

10:24 am - 7:35 amDFW-OPO

15h 11m2 stops

8:20 am - 7:53 pmOPO-DFW

17h 33m2 stops

$562American Airlines

Find Deal

Mon, Oct 20 - Wed, Nov 5

11:28 am - 8:00 amDFW-LIS

14h 32m2 stops

6:30 pm - 3:00 pmLIS-DFW

25h 30m1 stop

$580Multiple Airlines

Find Deal

Mon, Oct 20 - Mon, Oct 27

9:45 pm - 6:25 pmDFW-LIS

14h 40m1 stop

11:05 am - 11:57 pmLIS-DFW

18h 52m1 stop

$581American Airlines

Find Deal

Tue, Oct 21 - Wed, Nov 5

Lufthansa flights from Oklahoma to Portugal

Our best Lufthansa deals on Oklahoma to Portugal flight tickets

Lufthansa

Oct 13

DFW3:50 pmDallas/Fort Worth

24h 15m

1 stop

LIS10:05 pmLisbon Humberto Delgado

Oct 20

LIS5:05 amLisbon Humberto Delgado

15h 00m

1 stop

DFW2:05 pmDallas/Fort Worth

$591

Find similar

Lufthansa

Oct 13

DFW3:50 pmDallas/Fort Worth

24h 15m

1 stop

LIS10:05 pmLisbon Humberto Delgado

Oct 20

LIS5:05 amLisbon Humberto Delgado

15h 00m

1 stop

DFW2:05 pmDallas/Fort Worth

$595

Find similar

Lufthansa

Oct 7

DFW4:18 pmDallas/Fort Worth

23h 47m

2 stops

LIS10:05 pmLisbon Humberto Delgado

Oct 22

LIS2:30 pmLisbon Humberto Delgado

29h 35m

2 stops

DFW2:05 pmDallas/Fort Worth

$611

Find similar

Air France flights from Oklahoma to Portugal

Our best Air France deals on Oklahoma to Portugal flight tickets

Air France

Oct 4

DFW3:50 pmDallas/Fort Worth

20h 05m

1 stop

LIS5:55 pmLisbon Humberto Delgado

Nov 3

LIS12:20 pmLisbon Humberto Delgado

31h 40m

1 stop

DFW2:00 pmDallas/Fort Worth

$575

Find similar

Air France

Oct 15

DFW3:50 pmDallas/Fort Worth

13h 25m

1 stop

LIS11:15 amLisbon Humberto Delgado

Oct 27

LIS6:30 pmLisbon Humberto Delgado

25h 30m

1 stop

DFW3:00 pmDallas/Fort Worth

$590

Find similar

Air France

Oct 15

DFW3:50 pmDallas/Fort Worth

17h 00m

1 stop

LIS2:50 pmLisbon Humberto Delgado

Oct 21

LIS3:55 pmLisbon Humberto Delgado

27h 40m

1 stop

DFW1:35 pmDallas/Fort Worth

$593

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 2/8

9:15 pm-2:15 pm

1 stop35h 00m

Funchal Madeira

Mon 2/16

4:55 pm-7:10 pm

1 stop32h 15m

$502

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 2/8

12:01 pm-4:05 pm

2 stops22h 04m

Funchal Madeira

Mon 2/16

12:25 pm-7:10 pm

1 stop36h 45m

$517

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 10/27

12:05 pm-9:30 am

2 stops16h 25m

Porto

Wed 11/12

12:35 pm-10:57 pm

2 stops16h 22m

$536

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 10/20

2:58 pm-9:45 am

1 stop12h 47m

Porto

Wed 11/5

12:35 pm-11:08 am

2 stops28h 33m

$538

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Thu 11/13

1:35 pm-5:10 pm

2 stops21h 35m

Funchal Madeira

Thu 11/20

10:20 am-12:16 am

2 stops19h 56m

$551

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 10/27

7:05 am-9:15 pm

3 stops33h 10m

Porto

Wed 11/12

6:05 am-9:09 pm

2 stops21h 04m

$551

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 2/2

3:35 pm-9:35 am

2 stops36h 00m

Funchal Madeira

Sun 2/8

10:10 am-12:17 am

2 stops20h 07m

$552

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 10/20

10:24 am-7:35 am

2 stops15h 11m

Porto

Wed 11/5

8:20 am-7:53 pm

2 stops17h 33m

$562

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 10/20

11:28 am-8:00 am

2 stops14h 32m

Lisbon Humberto Delgado

Mon 10/27

6:30 pm-3:00 pm

1 stop25h 30m

$580

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 10/21

9:45 pm-6:25 pm

1 stop14h 40m

Lisbon Humberto Delgado

Wed 11/5

11:05 am-11:57 pm

1 stop18h 52m

$581

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oklahoma to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Oklahoma is in December. Flight prices, which tend to average around $683, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Portugal from Oklahoma during February instead. Flights to Portugal in February, while not as cheap as those in December, still average around $723.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Wednesday is the cheapest day to fly to Portugal from Oklahoma. The lowest ticket price found for a Wednesday departure recently was $874. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Sunday, with ticket prices averaging around $1,502.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Oklahoma to Portugal during this time can be as low as $1,053. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,450 per ticket.

Cheap Oklahoma to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oklahoma to Portugal

Direct flights	None

There are no direct flights from Oklahoma to Portugal. There are no popular flight routes from Oklahoma to Portugal.

Search flight deals

When did momondo last update prices for flights from Oklahoma to Portugal?
Prices for flights from Oklahoma to Portugal are refreshed on a daily basis.
How many operators does momondo search for flights from Oklahoma to Portugal?
As of September 2025, there are 11 operators available to choose from for flights from Oklahoma to Portugal.
How old do you have to be to fly from Oklahoma to Portugal?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oklahoma to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Oklahoma to Portugal

Compare and see reviews for airlines that fly from Oklahoma to Portugal with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $673	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $683	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Iberia	PriceFrom $696	Free Cancellation	Rating 7.0 2,926 reviews	Search Iberia flights
British Airways	PriceFrom $712	Free Cancellation	Rating 6.7 7,373 reviews	Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Oklahoma to Portugal?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Oklahoma to Portugal. momondo saves you time and could save you money on your trip.

Can I find flights from Oklahoma to Portugal with flexible booking policies on momondo?

Yes. All flights to Portugal from Oklahoma on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Oklahoma to Portugal?

momondo provides multiple filters to help you find the best flight to Portugal from Oklahoma. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Oklahoma to Portugal right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Oklahoma and alert you when they change.