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$739+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — BIO
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$861
(United Airlines)

Popular in

October

Cheapest in

January

Average price

$1,263
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. 9% potential increase in price ($125 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This United deal was found by Cheapflights users on 3/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1312:45 pmRDU - BIO
2 stops17h 10mUnited Airlines
Sat 1/106:45 amBIO - RDU
2 stops33h 23mUnited Airlines
Deal found 3/28$739
This Lufthansa deal was found by Cheapflights users on 3/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:05 pmRDU - BIO
1 stop13h 50mLufthansa
Sat 1/106:45 amBIO - RDU
1 stop13h 30mLufthansa
Deal found 3/28$742
This Air Canada deal was found by Cheapflights users on 3/28. 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.
Sat 12/1310:55 amRDU - BIO
2 stops19h 00mAir Canada
Sat 1/106:45 amBIO - RDU
3 stops18h 13mAir Canada
Deal found 3/28$836
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Sun 5/1111:25 amRDU - BIO
2 stops24h 25mMultiple Airlines
Sun 5/186:45 amBIO - RDU
2 stops15h 10mMultiple Airlines
Deal found 3/27$869
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:20 pmRDU - BIO
1 stop21h 40mKLM
Sun 5/186:50 amBIO - RDU
2 stops15h 58mKLM
Deal found 3/27$976
This Air France deal was found by Cheapflights users on 3/27. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:20 pmRDU - BIO
1 stop21h 40mAir France
Sun 5/187:10 amBIO - RDU
1 stop15h 00mAir France
Deal found 3/27$1,094
This KAYAK deal was found by Cheapflights users on 3/27. 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.
Fri 6/271:12 pmRDU - BIO
2 stops17h 33mIberia
Sat 7/129:15 amBIO - RDU
2 stops16h 22mIberia
Deal found 3/27$7,769

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 March 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

Sun 5/11

6:30 am-5:50 pm

2 stops29h 20m

Bilbao

Sun 5/18

6:45 am-9:07 pm

2 stops20h 22m

$861

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sun 5/11

11:25 am-5:50 pm

2 stops24h 25m

Bilbao

Sun 5/18

6:45 am-3:55 pm

2 stops15h 10m

$868

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sun 5/11

11:25 am-5:50 pm

2 stops24h 25m

Bilbao

Sun 5/18

6:45 am-3:55 pm

2 stops15h 10m

$869

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sun 5/11

6:20 pm-10:00 pm

1 stop21h 40m

Bilbao

Sun 5/18

6:50 am-4:48 pm

2 stops15h 58m

$976

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sun 5/11

6:20 pm-10:00 pm

1 stop21h 40m

Bilbao

Sun 5/18

7:10 am-4:10 pm

1 stop15h 00m

$1,094

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Fri 6/27

1:12 pm-12:45 pm

2 stops17h 33m

Bilbao

Sat 7/12

9:15 am-7:37 pm

2 stops16h 22m

$7,769

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Wed 9/3

4:36 pm-4:55 pm

2 stops18h 19m

$2,360

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Wed 9/3

6:20 pm-10:00 pm

1 stop21h 40m

$4,560

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Wed 9/3

3:10 pm-5:30 pm

3 stops20h 20m

$5,088

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Bilbao flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 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.

Rainfall in Bilbao by month

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

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

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

If weather is an important factor for your trip to Bilbao, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 March 28, 2025.
KLM
7.8
Good
1,321 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,321 reviews
KLM
7.8
Good
1,321 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,424 reviews
KLM
7.8
Good
1,321 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,603 reviews
KLM
7.8
Good
1,321 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air Canada
7.0
Good
8,986 reviews
KLM
7.8
Good
1,321 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

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

    Currently priced at $861, United Airlines will fly you from Raleigh to Bilbao and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and KLM - these airlines can fly you to your destination from $868 and $976, respectively. United Airlines is priced at 28% 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.

  • What is the cheapest month to book a flight from Raleigh to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Raleigh to Bilbao (average of $541). Flying from Raleigh to Bilbao in June is currently the most expensive (average of $1,178). 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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Top 3 airlines flying from Raleigh to Bilbao

Discover the top 3 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$663Average$1,244FlexibilityNo cancel feeOn-time76%
KLMCheapest$837Average$1,798FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$906Average$1,163FlexibilityNo cancel feeOn-time69%
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