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Bilbao

$296+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — BIO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$616
(United Airlines)

One-way from

$296
(Mytrip)
From Raleigh-Durham to Bilbao
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One-way flight 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 September 11, 2025.

This United deal was found by Cheapflights users on 9/10. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:05 amRDU - BIO
2 stops29h 20mMultiple Airlines
Mon 10/67:10 pmBIO - RDU
1 stop24h 35mMultiple Airlines
Deal found 9/10$619
This KLM deal was found by Cheapflights users on 9/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:20 pmRDU - BIO
1 stop21h 40mKLM
Mon 10/65:20 pmBIO - RDU
1 stop28h 50mKLM
Deal found 9/10$670
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:49 pmRDU - BIO
2 stops25h 16mUnited Airlines
Sun 11/25:45 amBIO - RDU
2 stops22h 56mUnited Airlines
Deal found 9/11$671
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:45 pmRDU - BIO
2 stops34h 15mUnited Airlines
Mon 10/611:50 amBIO - RDU
3 stops34h 42mUnited Airlines
Deal found 9/10$688
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/131:45 pmRDU - BIO
2 stops17h 05mMultiple Airlines
Sat 1/107:25 amBIO - RDU
2 stops36h 43mMultiple Airlines
Deal found 9/11$689
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 12/137:45 pmRDU - BIO
2 stops21h 35mLufthansa
Sat 1/107:25 amBIO - RDU
2 stops19h 58mLufthansa
Deal found 9/10$700
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada 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 1/107:25 amBIO - RDU
2 stops19h 58mMultiple Airlines
Deal found 9/11$719
This KLM deal was found by Cheapflights users on 9/11. 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.
Sun 10/267:55 pmRDU - BIO
1 stop21h 30mKLM
Sun 11/27:25 amBIO - RDU
1 stop15h 20mKLM
Deal found 9/11$721
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:45 pmRDU - BIO
2 stops16h 05mMultiple Airlines
Sat 10/46:45 amBIO - RDU
2 stops17h 54mMultiple Airlines
Deal found 9/10$766

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 September 11, 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 9/26

7:05 am-6:25 pm

2 stops29h 20m

Bilbao

Mon 10/6

7:10 pm-1:45 pm

1 stop24h 35m

$619

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Fri 9/26

6:20 pm-10:00 pm

1 stop21h 40m

Bilbao

Mon 10/6

5:20 pm-4:10 pm

1 stop28h 50m

$670

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sun 10/26

4:49 pm-11:05 pm

2 stops25h 16m

Bilbao

Sun 11/2

5:45 am-11:41 pm

2 stops22h 56m

$671

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sun 10/26

7:55 pm-10:25 pm

1 stop21h 30m

Bilbao

Sun 11/2

7:25 am-4:45 pm

1 stop15h 20m

$721

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Thu 9/25

7:45 pm-5:50 pm

2 stops16h 05m

Bilbao

Sat 10/4

6:45 am-6:39 pm

2 stops17h 54m

$766

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sun 10/26

8:35 pm-10:55 pm

3 stops21h 20m

Bilbao

Sun 11/2

7:45 am-6:35 pm

2 stops16h 50m

$802

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Thu 9/25

6:20 pm-4:40 pm

1 stop16h 20m

Bilbao

Sat 10/4

7:10 am-7:15 pm

2 stops18h 05m

$817

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sun 10/5

9:09 am-3:50 pm

3 stops24h 41m

$296

RaleighBilbao

RDU - BIO

RDUBIO

Raleigh-Durham

Sun 10/5

6:20 pm-4:40 pm

1 stop16h 20m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 September 11, 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 September 11, 2025.
Peruse reviews from past customers who have flown with KLM, 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.
KLM
7.8
Good
1,385 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,937 reviews
KLM
7.8
Good
1,385 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,409 reviews
KLM
7.8
Good
1,385 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 21h 40m. KLM provides one of the quickest options available for as low as $670. 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. Search Cheapflights for deals from United Airlines and KLM - these airlines can fly you to your destination from $830 and $837, respectively.

  • 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 $1,136). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$718Average$906FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$830Average$1,134FlexibilityNo cancel feeOn-time69%
KLMCheapest$837Average$1,840FlexibilityNo cancel feeOn-time75%

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