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$596+ Cheap flights from Hartford (BDL) 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — BIO
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Hartford to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Hartford (BDL) 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 septiembre 17, 2025.

Round-trip from

$596
(lol.travel)
From Hartford Bradley Intl to Bilbao
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Find flight deals from Hartford to Bilbao

Cheapest flights from Hartford to Bilbao
Explore the most affordable flight options available from Hartford to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This lol.travel deal was found by Cheapflights users on 9/16. 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.
jue. 10/210:33 amBDL - BIO
2 stops25h 47mLufthansa
lun. 10/67:10 pmBIO - BDL
2 stops29h 42mLufthansa
Deal found 9/16$596
This United Airlines deal was found by Cheapflights users on 9/16. 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.
dom. 10/196:00 amBDL - BIO
2 stops23h 05mUnited Airlines
dom. 10/2612:45 pmBIO - BDL
2 stops49h 53mUnited Airlines
Deal found 9/16$631
This Ovago deal was found by Cheapflights users on 9/16. 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.
dom. 10/196:05 pmBDL - BIO
1 stop17h 25mMultiple Airlines
dom. 10/269:35 pmBIO - BDL
2 stops24h 35mMultiple Airlines
Deal found 9/16$932
This Ovago deal was found by Cheapflights users on 9/16. 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.
dom. 10/196:05 pmBDL - BIO
1 stop17h 25mAer Lingus
dom. 10/263:55 pmBIO - BDL
1 stop30h 15mAer Lingus
Deal found 9/16$976
This American Airlines deal was found by Cheapflights users on 9/16. 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.
jue. 10/26:00 amBDL - BIO
2 stops20h 30mMultiple Airlines
lun. 10/66:10 pmBIO - BDL
1 stop28h 25mMultiple Airlines
Deal found 9/16$1,036
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/26:05 pmBDL - BIO
1 stop17h 25mAer Lingus
lun. 10/66:10 pmBIO - BDL
1 stop28h 25mAer Lingus
Deal found 9/16$1,092

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hartford 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 septiembre 17, 2025.
Use the filters below to find and compare flights from Hartford to Bilbao that are best for you.

Fly from

Hartford

Fly to

Bilbao

Route

Depart

Return

Price

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

jue. 10/2

10:33 am-6:20 pm

2 stops25h 47m

Bilbao

lun. 10/6

7:10 pm-6:52 pm

2 stops29h 42m

$596

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

dom. 10/19

6:00 am-11:05 am

2 stops23h 05m

Bilbao

dom. 10/26

12:45 pm-9:38 am

2 stops49h 53m

$631

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

dom. 10/19

6:05 pm-5:30 pm

1 stop17h 25m

Bilbao

dom. 10/26

9:35 pm-5:10 pm

2 stops24h 35m

$932

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

dom. 10/19

6:05 pm-5:30 pm

1 stop17h 25m

Bilbao

dom. 10/26

3:55 pm-5:10 pm

1 stop30h 15m

$976

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

jue. 10/2

6:00 am-8:30 am

2 stops20h 30m

Bilbao

lun. 10/6

6:10 pm-4:35 pm

1 stop28h 25m

$1,036

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

jue. 10/2

6:05 pm-5:30 pm

1 stop17h 25m

Bilbao

lun. 10/6

6:10 pm-4:35 pm

1 stop28h 25m

$1,092

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Hartford to Bilbao

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

Related info for your journey

Find useful and relevant information for your journey from Hartford 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 Hartford to Bilbao?

    For as low as $976, Lufthansa can have you in Bilbao from Hartford in 17h 25m. There are 3438 mi between Hartford and Bilbao. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hartford 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 Hartford to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Hartford to Bilbao (average of $541). Flying from Hartford 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.

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