What is the cheapest airline that flies from Rhode Island to Sofia?

United Airlines is the most popular carrier operating from Rhode Island to Sofia

When did momondo last update prices for flights from Rhode Island to Sofia Airport?

Prices for flights from Rhode Island to Sofia Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Rhode Island to Sofia Airport?

The number of operators available for flights from Rhode Island to Sofia Airport is 9 as of November 2025.

How old do you have to be to fly from Rhode Island to Sofia Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rhode Island to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The travel and health documents required for your trip to Sofia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$217 Cheap Flights from Rhode Island to Sofia in 2025/26

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Find the cheapest flights from Rhode Island to Sofia

Round-trip

One-way

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Cheap round-trip flights

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2:20 pm - 6:00 pmBOS-SOF

20h 40m2 stops

6:45 pm - 3:05 pmSOF-BOS

26h 20m1 stop

$326Austrian Airlines

Find Deal

Mon, Feb 23 - Mon, Mar 9

1:55 pm - 6:00 pmBOS-SOF

21h 05m2 stops

6:45 pm - 3:05 pmSOF-BOS

26h 20m1 stop

$338Austrian Airlines

Find Deal

Mon, Feb 23 - Mon, Mar 9

8:40 pm - 6:20 pmBOS-SOF

14h 40m1 stop

2:00 pm - 6:35 pmSOF-BOS

11h 35m1 stop

$350Lufthansa

Find Deal

Wed, Jan 14 - Wed, Jan 28

10:50 pm - 3:15 pmBOS-SOF

10h 25m1 stop

8:00 am - 1:50 pmSOF-BOS

12h 50m1 stop

$355Multiple Airlines

Find Deal

Wed, Mar 25 - Wed, Apr 8

6:25 pm - 6:00 pmBOS-SOF

16h 35m1 stop

7:55 am - 3:05 pmSOF-BOS

13h 10m1 stop

$356Austrian Airlines

Find Deal

Tue, Feb 24 - Tue, Mar 10

6:40 pm - 1:15 pmBOS-SOF

12h 35m2 stops

12:50 pm - 9:27 pmSOF-BOS

15h 37m2 stops

$357Multiple Airlines

Find Deal

Wed, Mar 25 - Wed, Apr 8

2:20 pm - 1:15 pmBOS-SOF

15h 55m2 stops

2:20 pm - 1:35 pmSOF-BOS

30h 15m1 stop

$363Lufthansa

Find Deal

Mon, Jan 12 - Mon, Jan 26

6:40 pm - 1:15 pmBOS-SOF

12h 35m2 stops

8:00 am - 1:50 pmSOF-BOS

12h 50m1 stop

$364Multiple Airlines

Find Deal

Wed, Mar 25 - Wed, Apr 8

12:54 pm - 2:05 pmPVD-SOF

42h 11m2 stops

7:00 am - 11:30 pmSOF-PVD

23h 30m2 stops

$605KLM

Find Deal

Thu, Jan 22 - Mon, Jan 26

7:30 pm - 10:45 pmPVD-SOF

20h 15m2 stops

1:45 pm - 3:25 pmSOF-PVD

56h 40m3 stops

$1,486United Airlines

Find Deal

Mon, Jan 5 - Mon, Jan 12

Lufthansa flights from Rhode Island to Sofia

Our best Lufthansa deals on Rhode Island to Sofia flight tickets

Lufthansa

Jan 14

BOS8:40 pmBoston Logan Intl

14h 40m

1 stop

SOF6:20 pmSofia

Jan 28

SOF2:00 pmSofia

11h 35m

1 stop

BOS6:35 pmBoston Logan Intl

$350

Find similar

Lufthansa

Jan 12

BOS2:20 pmBoston Logan Intl

15h 55m

2 stops

SOF1:15 pmSofia

Jan 26

SOF2:20 pmSofia

30h 15m

1 stop

BOS1:35 pmBoston Logan Intl

$363

Find similar

Lufthansa

Dec 2

BOS4:20 pmBoston Logan Intl

13h 55m

2 stops

SOF1:15 pmSofia

Dec 10

SOF2:00 pmSofia

11h 35m

1 stop

BOS6:35 pmBoston Logan Intl

$377

Find similar

Austrian Airlines flights from Rhode Island to Sofia

Our best Austrian Airlines deals on Rhode Island to Sofia flight tickets

Austrian Airlines

Feb 23

BOS2:20 pmBoston Logan Intl

20h 40m

2 stops

SOF6:00 pmSofia

Mar 9

SOF6:45 pmSofia

26h 20m

1 stop

BOS3:05 pmBoston Logan Intl

$326

Find similar

Austrian Airlines

Feb 23

BOS1:55 pmBoston Logan Intl

21h 05m

2 stops

SOF6:00 pmSofia

Mar 9

SOF6:45 pmSofia

26h 20m

1 stop

BOS3:05 pmBoston Logan Intl

$338

Find similar

Austrian Airlines

Feb 24

BOS6:25 pmBoston Logan Intl

16h 35m

1 stop

SOF6:00 pmSofia

Mar 10

SOF7:55 amSofia

13h 10m

1 stop

BOS3:05 pmBoston Logan Intl

$356

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 2/23

2:20 pm-6:00 pm

2 stops20h 40m

Sofia

Mon 3/9

6:45 pm-3:05 pm

1 stop26h 20m

$326

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 2/23

1:55 pm-6:00 pm

2 stops21h 05m

Sofia

Mon 3/9

6:45 pm-3:05 pm

1 stop26h 20m

$338

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 1/14

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

Wed 1/28

2:00 pm-6:35 pm

1 stop11h 35m

$350

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 3/25

10:50 pm-3:15 pm

1 stop10h 25m

Sofia

Wed 4/8

8:00 am-1:50 pm

1 stop12h 50m

$355

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 2/24

6:25 pm-6:00 pm

1 stop16h 35m

Sofia

Tue 3/10

7:55 am-3:05 pm

1 stop13h 10m

$356

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 3/25

6:40 pm-1:15 pm

2 stops12h 35m

Sofia

Wed 4/8

12:50 pm-9:27 pm

2 stops15h 37m

$357

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 1/12

2:20 pm-1:15 pm

2 stops15h 55m

Sofia

Mon 1/26

2:20 pm-1:35 pm

1 stop30h 15m

$363

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 3/25

6:40 pm-1:15 pm

2 stops12h 35m

Sofia

Wed 4/8

8:00 am-1:50 pm

1 stop12h 50m

$364

ProvidenceSofia

PVD - SOF

PVDSOF

Providence-TFGreen

Thu 1/22

12:54 pm-2:05 pm

2 stops42h 11m

Sofia

Mon 1/26

7:00 am-11:30 pm

2 stops23h 30m

$605

ProvidenceSofia

PVD - SOF

PVDSOF

Providence-TFGreen

Mon 1/5

7:30 pm-10:45 pm

2 stops20h 15m

Sofia

Mon 1/12

1:45 pm-3:25 pm

3 stops56h 40m

$1,486

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Rhode Island to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Rhode Island is in October. Flight prices, which tend to average around $532, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Sofia from Rhode Island during January instead. Flights to Sofia in January, while not as cheap as those in October, still average around $578.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Tuesday is the cheapest day to fly to Sofia from Rhode Island. The lowest ticket price found for a Tuesday departure recently was $843. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Rhode Island to Sofia on a Friday will generally be more expensive and average around $997. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

In the evening is the cheapest time of day to fly from Rhode Island to Sofia when you can find flight prices for as low as $816. Flying to Sofia in the evening is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,022 per ticket.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from Rhode Island when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $756 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Rhode Island for as low as $665 on momondo.

Cheap Rhode Island to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rhode Island to Sofia

Direct flights	None

There are no direct flights from Rhode Island to Sofia. There are no popular flight routes from Rhode Island to Sofia.

Search flight deals

When did momondo last update prices for flights from Rhode Island to Sofia Airport?
Prices for flights from Rhode Island to Sofia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Rhode Island to Sofia Airport?
The number of operators available for flights from Rhode Island to Sofia Airport is 9 as of November 2025.
How old do you have to be to fly from Rhode Island to Sofia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rhode Island to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The travel and health documents required for your trip to Sofia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Rhode Island to Sofia?

Finding the right flight to Sofia from Rhode Island is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sofia quick and easy, saving you time and money.

Can I find flights from Rhode Island to Sofia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sofia from Rhode Island with this policy.

How can momondo help me find flights from Rhode Island to Sofia?

Once you have performed a search for Rhode Island to Sofia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Rhode Island to Sofia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sofia from Rhode Island. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cabin classes currently available on flights to Sofia

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Business Class to Sofia

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Cheap flights from Rhode Island to Sofia from $217

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rhode Island to Sofia departing on 1/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Trusted and free

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Find the cheapest flights from Rhode Island to Sofia

Cheap round-trip flights

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Lufthansa flights from Rhode Island to Sofia

Our best Lufthansa deals on Rhode Island to Sofia flight tickets

Austrian Airlines flights from Rhode Island to Sofia

Our best Austrian Airlines deals on Rhode Island to Sofia flight tickets

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How to get the cheapest flight ticket from Rhode Island to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sofia?

What is the cheapest day to depart on your flight to Sofia?

What is the cheapest time of day to depart on your flight to Sofia?

How far in advance should I book a flight to Sofia?

What is the cheapest airline that flies from Rhode Island to Sofia?

United Airlines is the most popular carrier operating from Rhode Island to Sofia

Cheap Rhode Island to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rhode Island to Sofia

Direct flights

When did momondo last update prices for flights from Rhode Island to Sofia Airport?

How many operators does momondo search for flights from Rhode Island to Sofia Airport?

How old do you have to be to fly from Rhode Island to Sofia Airport?

What documentation or ID do you need to fly to Sofia Airport?

Traveling to a place near Sofia?

Why use momondo?

Why should I use momondo to find a flight deal from Rhode Island to Sofia?

Can I find flights from Rhode Island to Sofia with flexible booking policies on momondo?

How can momondo help me find flights from Rhode Island to Sofia?

I’m not ready to book a flight from Rhode Island to Sofia right now. Can momondo alert me if prices change?

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bulgaria

Cabin classes currently available on flights to Sofia

List of cabin classes available on flights landing in Sofia. Availability may vary depending on flight origin and airline.