---
title: "Bilbao to Bourgas cheap flights (BIO to BOJ) - Expedia"
description: "Cheap Flights from Bilbao (BIO) to Bourgas (BOJ) start at for one-way and for round trip. Earn your airline miles on top of our rewards!"
canonical: "https://www.expedia.com/lp/flights/bio/boj/bilbao-to-bourgas"
language: en-US
market: US
currency: USD
prices_as_of: 2026-11-12T23:33:57Z
---

# Cheap Flights from Bilbao (BIO) to Bourgas (BOJ)
![A coastal town with stone buildings, a pier, and a clear blue sky.](https://images.trvl-media.com/place/656/799223b7-2d56-4a5c-8d7f-897cffc9a2f9.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

## Popular airlines from Bilbao Airport (BIO) to Bourgas (BOJ)

[American Airlines](https://www.expedia.com/Flights-Search?leg1=from:BIO,to:BOJ,departure:11/26/2026TANYT&leg2=from:BOJ,to:BIO,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])

[United](https://www.expedia.com/Flights-Search?leg1=from:BIO,to:BOJ,departure:11/26/2026TANYT&leg2=from:BOJ,to:BIO,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])

[Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:BIO,to:BOJ,departure:11/26/2026TANYT&leg2=from:BOJ,to:BIO,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}])

[Delta](https://www.expedia.com/Flights-Search?leg1=from:BIO,to:BOJ,departure:11/26/2026TANYT&leg2=from:BOJ,to:BIO,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])

[Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:BIO,to:BOJ,departure:11/26/2026TANYT&leg2=from:BOJ,to:BIO,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}])

[JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:BIO,to:BOJ,departure:11/26/2026TANYT&leg2=from:BOJ,to:BIO,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}])

[Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:BIO,to:BOJ,departure:11/26/2026TANYT&leg2=from:BOJ,to:BIO,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}])

Alaska A · irlines

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### Bilbao to Bourgas Flights

#### The cheapest times to fly from Bilbao to Bourgas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bilbao to Bourgas are during the month of . You can find some of the cheapest flights from Bilbao to Bourgas with Expedia's search tool and vast selection of airlines.

#### The best time to book a flight from Bilbao to Bourgas

Sunday is one of the best days to book for cheap flights from Bilbao to Bourgas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

#### How to find cheap round-trip tickets from Bilbao to Bourgas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bilbao to Bourgas in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bilbao to Bourgas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Bilbao to Bourgas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*\*Terms apply.*

*Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.*

## Frequently Asked Questions

### How much does a flight from Bilbao Airport (BIO) to Bourgas Airport (BOJ) cost?

Get a cheap one-way flight or cheap return flight from Bilbao Airport (BIO) to Bourgas Airport (BOJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.

### What is the cheapest month to fly from Bilbao Airport (BIO) to Bourgas Airport (BOJ)?

 is the cheapest month to fly from BIO to BOJ. Traveling during quieter months is often the key to scoring lower fares.

### What is the cheapest airline that flies from Bilbao Airport (BIO) to Bourgas Airport (BOJ)?

Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BIO to BOJ flight.

### How many flights per day from Bilbao Airport (BIO) to Bourgas Airport (BOJ)?

There aren't any daily direct flights departing from Bilbao Airport (BIO) to Bourgas Airport (BOJ). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.

### What day of the week has the most flights from BIO to BOJ?

You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.\* However this can change from season to season and during public holidays or peak travel times.

*\*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.*

### What is the best time to fly from Bilbao Airport (BIO) to Bourgas Airport (BOJ)?

Choose a flight from Bilbao Airport (BIO) to Bourgas Airport (BOJ) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.\*

*\*Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.*

### Is it cheaper to buy a plane ticket from Bilbao Airport (BIO) to Bourgas Airport (BOJ) last-minute?

Booking your plane ticket from BIO to BOJ just before your getaway is typically more expensive. But if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.

### Is it cheaper to book a BIO to BOJ flight and hotel package?

You can save money by securing a BIO to BOJ [flight and hotel package](https://www.expedia.com/Burgas.d656.Destination-Travel-Guides) compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred flights and accommodations, you can add extras such as car rentals, activities and tours.

### Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Bourgas Airport (BOJ)?

Typically, you can reschedule or cancel your BIO to BOJ flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check [your itinerary](https://www.expedia.com/trips) for the airline's fees and policies on flight changes, or if you'd like more information, go to our [Customer Service portal](https://www.expedia.com/helpcenter).

## Travel information

| Origin airport      | Bilbao Airport   |
| ------------------- | ---------------- |
| Destination airport | Bourgas          |
| Distance            | 1,531 miles away |

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