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Bilbao

$470+ Cheap flights from Raleigh (RDU) to Bilbao (BIO)

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — BIO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
Fri 12/125:32 pmRDU - BIO
2 stops17h 43mIberia
Sat 1/107:45 pmBIO - RDU
2 stops28h 05mIberia
Deal found 12/10$1,695
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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.
Fri 12/123:09 pmRDU - BIO
2 stops26h 11mLufthansa
Sat 1/107:25 amBIO - RDU
2 stops20h 08mLufthansa
Deal found 12/11$1,726
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
Sat 12/133:15 pmRDU - BIO
2 stops20h 50mLufthansa
Sat 1/107:25 amBIO - RDU
2 stops22h 19mLufthansa
Deal found 12/10$1,729
This Rumbo deal was found by Cheapflights users on 12/11. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:26 pmRDU - BIO
2 stops23h 49mMultiple Airlines
Mon 12/1512:00 pmBIO - RDU
2 stops39h 51mMultiple Airlines
Deal found 12/11$1,806
This Delta deal was found by Cheapflights users on 12/10. 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.
Fri 12/126:35 pmRDU - BIO
2 stops16h 45mDelta
Sat 1/107:25 amBIO - RDU
1 stop15h 20mDelta
Deal found 12/10$2,005
This KLM deal was found by Cheapflights users on 12/11. 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 12/112:50 pmRDU - BIO
2 stops14h 30mKLM
Mon 12/156:05 pmBIO - RDU
1 stop28h 40mKLM
Deal found 12/11$2,218
This KLM deal was found by Cheapflights users on 12/11. 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.
Fri 12/126:55 pmRDU - BIO
1 stop16h 25mKLM
Sat 1/107:25 amBIO - RDU
1 stop15h 20mKLM
Deal found 12/11$2,500
This Air Canada deal was found by Cheapflights users on 12/10. 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.
Fri 12/123:15 pmRDU - BIO
2 stops38h 45mMultiple Airlines
Sat 1/1011:35 amBIO - RDU
3 stops32h 33mMultiple Airlines
Deal found 12/10$2,591

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$509
(United Airlines)

One-way from

$470
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$793
Provider with most accurate pricing for Raleigh-Durham-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Bilbao flights.
Search Deals
From Raleigh-Durham to Bilbao
Search Deals
One-way flight from Raleigh-Durham to Bilbao
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Fri 2/6

1:25 pm-12:00 pm

2 stops16h 35m

Bilbao

Tue 2/10

11:35 am-9:35 am

2 stops52h 00m

$509

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Wed 4/22

5:17 pm-5:50 pm

2 stops18h 33m

Bilbao

Wed 5/27

6:45 am-1:45 pm

1 stop13h 00m

$754

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Wed 4/22

8:50 am-11:30 am

2 stops20h 40m

Bilbao

Wed 5/27

12:25 pm-8:05 am

3 stops25h 40m

$1,185

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sun 5/24

3:14 pm-10:40 pm

2 stops25h 26m

$470

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Wed 5/27

3:06 pm-10:40 pm

2 stops25h 34m

$525

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Tue 5/26

8:50 am-11:40 am

2 stops20h 50m

$566

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Mon 5/25

8:25 pm-8:15 am

2 stops29h 50m

$570

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Mon 5/25

8:25 pm-5:30 pm

1 stop15h 05m

$593

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Tue 5/26

4:25 pm-8:20 am

3 stops33h 55m

$599

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Thu 5/28

3:14 pm-10:40 pm

2 stops25h 26m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 11 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 December.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 December 12, 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.

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 December 12, 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
9,095 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Lufthansa
6.8
Okay
7,626 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 16h 35m. United Airlines provides one of the quickest options available for as low as $509. 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 33% 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

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$718Average$869FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$718Average$1,077FlexibilityNo cancel feeOn-time69%

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