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$534+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — BIO
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
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 julio 29, 2025.

Round-trip from

$534
(lol.travel)
From Raleigh-Durham to Bilbao
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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 julio 29, 2025.

This lol.travel deal was found by Cheapflights users on 7/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/227:23 pmRDU - BIO
1 stop33h 22mUnited Airlines
mar. 9/306:45 amBIO - RDU
1 stop13h 00mUnited Airlines
Deal found 7/28$534
This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/224:00 pmRDU - BIO
2 stops16h 45mAir Canada
mar. 9/306:45 amBIO - RDU
2 stops21h 00mAir Canada
Deal found 7/28$554
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2211:30 amRDU - BIO
3 stops20h 30mMultiple Airlines
mar. 9/308:55 amBIO - RDU
3 stops17h 28mMultiple Airlines
Deal found 7/28$603
This Ovago deal was found by Cheapflights users on 7/27. 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.
mié. 8/207:50 pmRDU - BIO
2 stops21h 35mLufthansa
mié. 8/2712:30 pmBIO - RDU
1 stop14h 45mLufthansa
Deal found 7/27$689
This American Airlines deal was found by Cheapflights users on 7/29. 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.
vie. 9/1210:40 amRDU - BIO
2 stops15h 50mAmerican Airlines
vie. 9/196:45 amBIO - RDU
2 stops19h 43mAmerican Airlines
Deal found 7/29$744
This Air France deal was found by Cheapflights users on 7/27. 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.
mié. 8/206:20 pmRDU - BIO
1 stop21h 40mAir France
mié. 8/277:10 amBIO - RDU
1 stop15h 00mAir France
Deal found 7/27$977
This KLM deal was found by Cheapflights users on 7/29. 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.
vie. 12/126:55 pmRDU - BIO
1 stop21h 30mKLM
sáb. 1/107:25 amBIO - RDU
1 stop15h 20mKLM
Deal found 7/29$1,261
This Iberia deal was found by Cheapflights users on 7/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/212:12 pmRDU - BIO
2 stops14h 18mIberia
mié. 9/35:35 pmBIO - RDU
2 stops33h 21mIberia
Deal found 7/27$1,445

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 julio 29, 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

lun. 9/22

7:23 pm-10:45 am

1 stop33h 22m

Bilbao

mar. 9/30

6:45 am-1:45 pm

1 stop13h 00m

$534

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

lun. 9/22

4:00 pm-2:45 pm

2 stops16h 45m

Bilbao

mar. 9/30

6:45 am-9:45 pm

2 stops21h 00m

$554

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

lun. 9/22

11:30 am-2:00 pm

3 stops20h 30m

Bilbao

mar. 9/30

8:55 am-8:23 pm

3 stops17h 28m

$603

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

mié. 8/20

7:50 pm-11:25 pm

2 stops21h 35m

Bilbao

mié. 8/27

12:30 pm-9:15 pm

1 stop14h 45m

$689

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

vie. 9/12

10:40 am-8:30 am

2 stops15h 50m

Bilbao

vie. 9/19

6:45 am-8:28 pm

2 stops19h 43m

$744

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

mié. 8/20

6:20 pm-10:00 pm

1 stop21h 40m

Bilbao

mié. 8/27

7:10 am-4:10 pm

1 stop15h 00m

$977

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

mar. 9/2

12:12 pm-8:30 am

2 stops14h 18m

Bilbao

mié. 9/3

5:35 pm-8:56 pm

2 stops33h 21m

$1,445

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

vie. 8/15

3:40 pm-6:25 pm

1 stop20h 45m

$565

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

mié. 9/3

3:06 pm-11:55 am

2 stops14h 49m

$598

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

mié. 9/3

3:10 pm-5:50 pm

2 stops20h 40m

$1,164

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 julio 29, 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 julio 29, 2025.
Peruse reviews from past customers who have flown with KLM, Air France, and United Airlines 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.
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,465 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,899 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,822 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 $534, 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 Lufthansa - these airlines can fly you to your destination from $554 and $689, respectively.

  • What are the cheapest airlines to fly from Raleigh to Bilbao one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $565. However, be on the lookout for offers from KLM and Lufthansa, as they are both options that can get you from Raleigh to Bilbao for a low price.

  • 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 $1,135). 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

Browse thousands of different options on Cheapflights for your next trip

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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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$718Average$1,186FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$830Average$1,087FlexibilityNo cancel feeOn-time69%
KLMCheapest$837Average$1,798FlexibilityNo cancel feeOn-time75%

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