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Bilbao

$545+ Cheap flights from Raleigh (RDU) to Bilbao (BIO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — BIO
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Raleigh to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$545
(United Airlines)

Popular in

October

Cheapest in

February

Average price

$1,798
Provider with most accurate pricing for Raleigh-Durham-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Bilbao flights.
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From Raleigh-Durham to Bilbao
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Highest demand for flights based on searches. 0% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($76 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Raleigh to Bilbao

Cheapest flights from Raleigh to Bilbao
Explore the most affordable flight options available from Raleigh to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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 12/106:20 amRDU - BIO
2 stops23h 45mUnited Airlines
Wed 12/1712:50 pmBIO - RDU
2 stops27h 42mUnited Airlines
Deal found 10/26$545
This Delta deal was found by Cheapflights users on 10/26. 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 12/1011:44 amRDU - BIO
2 stops17h 36mDelta
Wed 12/177:25 amBIO - RDU
1 stop15h 20mDelta
Deal found 10/26$561
This Expedia deal was found by Cheapflights users on 10/26. 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 12/308:45 pmRDU - BIO
2 stops29h 45mIberia
Fri 1/96:45 amBIO - RDU
2 stops17h 05mIberia
Deal found 10/26$601
This Air France deal was found by Cheapflights users on 10/26. 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.
Wed 12/106:55 pmRDU - BIO
1 stop16h 25mAir France
Wed 12/177:25 amBIO - RDU
1 stop15h 20mAir France
Deal found 10/26$605
This Air France deal was found by Cheapflights users on 10/26. 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 12/306:55 pmRDU - BIO
1 stop21h 30mMultiple Airlines
Fri 1/97:25 amBIO - RDU
2 stops17h 12mMultiple Airlines
Deal found 10/26$640
This Expedia deal was found by Cheapflights users on 10/26. 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.
Wed 12/1012:54 pmRDU - BIO
2 stops13h 36mIberia
Wed 1/79:35 pmBIO - RDU
2 stops50h 00mIberia
Deal found 10/26$667
This Air France deal was found by Cheapflights users on 10/26. 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 12/306:55 pmRDU - BIO
1 stop21h 30mAir France
Fri 1/97:25 amBIO - RDU
1 stop15h 20mAir France
Deal found 10/26$735
This FlightHub deal was found by Cheapflights users on 10/26. 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.
Fri 12/129:30 amRDU - BIO
2 stops20h 30mMultiple Airlines
Sat 1/1012:50 pmBIO - RDU
2 stops40h 54mMultiple Airlines
Deal found 10/26$797
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 12/1210:43 amRDU - BIO
2 stops15h 47mAmerican Airlines
Sat 1/109:15 amBIO - RDU
2 stops20h 40mAmerican Airlines
Deal found 10/28$854
This Ovago deal was found by Cheapflights users on 10/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1312:44 pmRDU - BIO
2 stops18h 06mIberia
Sat 1/105:35 pmBIO - RDU
2 stops30h 15mIberia
Deal found 10/27$864
This Ovago deal was found by Cheapflights users on 10/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/133:15 pmRDU - BIO
2 stops14h 45mLufthansa
Sat 1/1012:50 pmBIO - RDU
2 stops34h 54mLufthansa
Deal found 10/26$879
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:30 amRDU - BIO
3 stops25h 15mMultiple Airlines
Wed 1/712:10 pmBIO - RDU
3 stops34h 14mMultiple Airlines
Deal found 10/26$993

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to Bilbao 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 October 28, 2025.
Use the filters below to find and compare flights from Raleigh to Bilbao that are best for you.

Fly from

Raleigh

Fly to

Bilbao

Route

Depart

Return

Price

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Wed 12/10

6:20 am-12:05 pm

2 stops23h 45m

Bilbao

Wed 12/17

12:50 pm-10:32 am

2 stops27h 42m

$545

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Wed 12/10

11:44 am-11:20 am

2 stops17h 36m

Bilbao

Wed 12/17

7:25 am-4:45 pm

1 stop15h 20m

$561

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Tue 12/30

6:55 pm-10:25 pm

1 stop21h 30m

Bilbao

Fri 1/9

7:25 am-6:37 pm

2 stops17h 12m

$640

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Fri 12/12

9:30 am-12:00 pm

2 stops20h 30m

Bilbao

Sat 1/10

12:50 pm-6:52 pm

2 stops36h 02m

$797

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Fri 12/12

10:43 am-8:30 am

2 stops15h 47m

Bilbao

Sat 1/10

9:15 am-11:55 pm

2 stops20h 40m

$854

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sat 12/13

12:44 pm-8:30 am

2 stops13h 46m

Bilbao

Sat 1/10

9:15 am-11:55 pm

2 stops20h 40m

$854

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sat 12/13

12:44 pm-12:50 pm

2 stops18h 06m

Bilbao

Sat 1/10

5:35 pm-5:50 pm

2 stops30h 15m

$864

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sat 12/13

3:15 pm-12:00 pm

2 stops14h 45m

Bilbao

Sat 1/10

12:50 pm-5:44 pm

2 stops34h 54m

$879

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Wed 12/10

9:30 am-4:45 pm

3 stops25h 15m

Bilbao

Wed 1/7

12:10 pm-4:24 pm

3 stops34h 14m

$993

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Wed 12/10

6:55 pm-5:20 pm

1 stop16h 25m

Bilbao

Wed 1/7

7:25 am-10:50 pm

2 stops21h 25m

$1,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 13 results
1
2

Compare providers for flights from Raleigh to Bilbao

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Bilbao in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Raleigh-Bilbao flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Raleigh-Bilbao flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Raleigh-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Bilbao flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Bilbao flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Raleigh to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Raleigh 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 Raleigh to Bilbao

What is the cheapest time of day to fly from RDU to BIO?

Find hourly flight availability from Raleigh to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

One of the essential ways to save on airfare from Raleigh to Bilbao is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.

How much does it cost to fly round-trip from Raleigh to Bilbao?

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. 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 Bilbao. Reviews last updated October 28, 2025.
Peruse reviews from past customers who have flown with United Airlines and Lufthansa from Raleigh to Bilbao to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,001 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,535 reviews
United Airlines
7.4
Good
9,001 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Raleigh to Bilbao?

    A quick flight from Raleigh to Bilbao can take about 15h 47m. United Airlines provides one of the quickest options available for as low as $854. Raleigh and Bilbao are separated by a distance of 3930 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Raleigh to Bilbao round-trip?

    Currently priced at $718, Lufthansa will fly you from Raleigh to Bilbao and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $718. Lufthansa is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Raleigh to Bilbao that include hotel bookings?

    Yes. In addition to deals on Raleigh to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Bilbao.

  • Can I find deals for business class flights from Raleigh to Bilbao?

    Yes. Cheapflights offers flight deals from Raleigh to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Raleigh to Bilbao

Discover the top 2 airlines that operate flights from Raleigh to Bilbao. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$718Average$869FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$718Average$1,077FlexibilityNo cancel feeOn-time69%

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