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Bilbao

$487+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — BIO
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 2/286:00 am
BDL
-
BIO
2 stops22h 50m
United Airlines
Sun 3/86:45 am
BIO
-
BDL
2 stops36h 19m
United Airlines
Deal found 1/18$487
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 3/77:35 pm
BDL
-
BIO
2 stops38h 35m
United Airlines
Sat 3/1412:50 pm
BIO
-
BDL
2 stops40h 09m
United Airlines
Deal found 1/20$508
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/66:00 am
BDL
-
BIO
2 stops35h 20m
United Airlines
Fri 3/137:25 am
BIO
-
BDL
2 stops21h 34m
United Airlines
Deal found 1/20$690
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:00 am
BDL
-
BIO
2 stops28h 10m
Multiple Airlines
Mon 2/912:00 pm
BIO
-
BDL
2 stops41h 43m
Multiple Airlines
Deal found 1/19$839
This Turkish Airlines deal was found by Cheapflights users on 1/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/316:00 am
BDL
-
BIO
2 stops28h 10m
Turkish Airlines
Tue 2/312:00 pm
BIO
-
BDL
2 stops41h 48m
Turkish Airlines
Deal found 1/19$1,102
This United Airlines deal was found by Cheapflights users on 1/20. 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 8/22:48 pm
BDL
-
BIO
2 stops19h 12m
United Airlines
Sat 8/1511:55 am
BIO
-
BDL
2 stops18h 02m
United Airlines
Deal found 1/20$1,128
This KAYAK deal was found by Cheapflights users on 1/18. 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.
Sat 2/285:59 pm
BDL
-
BIO
2 stops15h 16m
Aer Lingus
Sun 3/83:55 pm
BIO
-
BDL
1 stop30h 15m
Aer Lingus
Deal found 1/18$1,290
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
BDL
-
BIO
2 stops44h 30m
Multiple Airlines
Fri 3/134:50 pm
BIO
-
BDL
1 stop29h 20m
Multiple Airlines
Deal found 1/20$1,336
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 1/314:46 pm
BDL
-
BIO
2 stops43h 19m
United Airlines
Tue 2/311:35 am
BIO
-
BDL
2 stops39h 54m
United Airlines
Deal found 1/18$1,680

Find 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$487
(United Airlines)
Provider with most accurate pricing for Hartford Bradley Intl-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Hartford Bradley Intl-Bilbao flights.
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From Hartford Bradley Intl to Bilbao
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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 January 21, 2026.
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

Sat 2/28

6:00 am-10:50 am

2 stops22h 50m

Bilbao

Sun 3/8

6:45 am-1:04 pm

2 stops36h 19m

$487

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Sat 3/7

7:35 pm-4:10 pm

2 stops38h 35m

Bilbao

Sat 3/14

12:50 pm-11:59 pm

2 stops40h 09m

$508

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Fri 3/6

6:00 am-11:20 pm

2 stops35h 20m

Bilbao

Fri 3/13

7:25 am-11:59 pm

2 stops21h 34m

$690

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Sat 2/7

6:00 am-4:10 pm

2 stops28h 10m

Bilbao

Mon 2/9

12:00 pm-11:43 pm

2 stops41h 43m

$839

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Sat 1/31

6:00 am-4:10 pm

2 stops28h 10m

Bilbao

Tue 2/3

12:00 pm-11:48 pm

2 stops41h 48m

$1,102

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Sat 2/28

5:59 pm-3:15 pm

2 stops15h 16m

Bilbao

Sun 3/8

3:55 pm-5:10 pm

1 stop30h 15m

$1,290

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Fri 3/6

6:00 am-8:30 am

2 stops44h 30m

Bilbao

Fri 3/13

4:50 pm-5:10 pm

1 stop29h 20m

$1,336

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Sat 1/31

4:46 pm-6:05 pm

2 stops43h 19m

Bilbao

Tue 2/3

11:35 am-9:29 pm

2 stops39h 54m

$1,680

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

  • Most accurate provider: When it comes to deals on Hartford-Bilbao flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hartford-Bilbao flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hartford-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hartford-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 Hartford-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 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 $487, United Airlines can have you in Bilbao from Hartford in 22h 50m. There are 3438 mi between Hartford and Bilbao.

  • 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.

See more FAQs

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