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Saint Thomas Island

$113+ Cheap flights from Boston (BOS) to Saint Thomas Island (STT)

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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STT
May 22 — May 291
Fri 5/22
Fri 5/29
1 adult, Economy
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Find cheap flights from Boston to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Boston Logan Intl to Saint Thomas Island Cyril E King are usually found in March or January, booked 90 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Boston to Saint Thomas Island

Cheapest flights from Boston to Saint Thomas Island
Explore the most affordable flight options available from Boston to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2026.

This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:45 am
BOS
-
STT
1 stop8h 03m
Delta
Fri 5/84:27 pm
STT
-
BOS
1 stop7h 10m
Delta
Deal found 4/21$230
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
BOS
-
STT
2 stops10h 15m
American Airlines
Wed 5/132:05 pm
STT
-
BOS
2 stops9h 47m
American Airlines
Deal found 4/20$235
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:35 am
BOS
-
STT
1 stop9h 13m
Delta
Fri 5/84:27 pm
STT
-
BOS
1 stop7h 10m
Delta
Deal found 4/20$255
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 4/295:40 pm
BOS
-
STT
1 stop17h 07m
American Airlines
Wed 5/62:30 pm
STT
-
BOS
1 stop7h 29m
American Airlines
Deal found 4/17$260
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Mon 11/166:00 am
BOS
-
STT
1 stop6h 12m
United Airlines
Mon 11/232:15 pm
STT
-
BOS
1 stop7h 07m
United Airlines
Deal found 4/17$287
This United Airlines deal was found by Cheapflights users on 4/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:00 am
BOS
-
STT
1 stop6h 12m
United Airlines
Thu 12/32:15 pm
STT
-
BOS
2 stops10h 39m
United Airlines
Deal found 4/19$299
This American Airlines deal was found by Cheapflights users on 4/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
BOS
-
STT
1 stop6h 35m
American Airlines
Wed 5/133:29 pm
STT
-
BOS
1 stop8h 23m
American Airlines
Deal found 4/18$300
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/95:45 am
BOS
-
STT
2 stops11h 15m
United Airlines
Tue 5/121:22 pm
STT
-
BOS
1 stop10h 13m
United Airlines
Deal found 4/20$320
This Priceline deal was found by Cheapflights users on 4/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:45 am
BOS
-
STT
1 stop7h 02m
Spirit Airlines
Sat 5/231:52 pm
STT
-
BOS
1 stop10h 02m
Spirit Airlines
Deal found 4/17$322
This deal was found by Cheapflights users on 4/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
BOS
-
STT
1 stop7h 35m
American Airlines
Tue 5/193:30 pm
STT
-
BOS
1 stop8h 22m
American Airlines
Deal found 4/18$328
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 5/46:00 am
BOS
-
STT
1 stop10h 15m
American Airlines
Mon 5/115:05 pm
STT
-
BOS
1 stop16h 57m
American Airlines
Deal found 4/21$329
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 5/156:00 am
BOS
-
STT
1 stop7h 35m
American Airlines
Wed 5/2012:25 pm
STT
-
BOS
2 stops11h 10m
American Airlines
Deal found 4/17$330

Find flight deals from Boston to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Saint Thomas Island (STT). 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 April 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$230
(Delta)

One-way from

$113
(United Airlines)

Popular in

November

Cheapest in

March

Average price

$438

Good round-trip deal

$314 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Boston Logan Intl-Saint Thomas Island Cyril E King flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Saint Thomas Island Cyril E King flights.
Search Deals
From Boston Logan Intl to Saint Thomas Island Cyril E King
Search Deals
One-way flight from Boston Logan Intl to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Saint Thomas Island Cyril E King.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Saint Thomas Island Cyril E King.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Saint Thomas Island 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 April 22, 2026.
Use the filters below to find and compare flights from Boston to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 5/9

5:45 am-5:00 pm

2 stops11h 15m

Saint Thomas Island Cyril E King

Tue 5/12

1:22 pm-11:35 pm

1 stop10h 13m

$320
Quickest round-trip

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 5/4

5:45 am-12:20 pm

1 stop6h 35m

Saint Thomas Island Cyril E King

Wed 5/13

4:45 pm-11:59 pm

1 stop7h 14m

$430

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 5/2

5:45 am-12:20 pm

1 stop6h 35m

Saint Thomas Island Cyril E King

Tue 5/12

4:45 pm-11:59 pm

1 stop7h 14m

$430

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 6/4

5:00 am-3:58 pm

1 stop10h 58m

Saint Thomas Island Cyril E King

Tue 6/9

11:45 am-11:01 pm

1 stop11h 16m

$460

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 5/9

5:35 am-1:51 pm

1 stop8h 16m

Saint Thomas Island Cyril E King

Mon 5/18

4:27 pm-11:37 pm

1 stop7h 10m

$470

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 5/4

5:35 am-2:48 pm

1 stop9h 13m

Saint Thomas Island Cyril E King

Mon 5/18

4:27 pm-11:37 pm

1 stop7h 10m

$470

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 5/6

5:35 am-2:48 pm

1 stop9h 13m

Saint Thomas Island Cyril E King

Sun 5/10

4:27 pm-11:48 pm

1 stop7h 21m

$490

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 8/21

8:55 pm-1:20 pm

2 stops16h 25m

Saint Thomas Island Cyril E King

Mon 8/24

2:35 pm-9:55 am

2 stops19h 20m

$491

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 5/2

5:45 am-12:20 pm

1 stop6h 35m

Saint Thomas Island Cyril E King

Thu 5/14

4:45 pm-11:59 pm

1 stop7h 14m

$500

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 5/4

5:35 am-1:51 pm

1 stop8h 16m

Saint Thomas Island Cyril E King

Sun 5/17

4:27 pm-11:37 pm

1 stop7h 10m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Boston to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Saint Thomas Island in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Saint Thomas Island 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 Boston-Saint Thomas Island 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 Boston to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Boston 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 Boston to Saint Thomas Island

How far ahead should I book a flight from Boston to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Saint Thomas Island. Price data was last updated on April 17, 2026.

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Saint Thomas Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Saint Thomas Island?

Currently, March is the cheapest month in which you can book a flight from Boston to Saint Thomas Island (average of $331). Flying from Boston to Saint Thomas Island in November is currently the most expensive (average of $543). 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.

What is the cheapest time of day to fly from BOS to STT?

Find hourly flight availability from Boston to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2026.

When flying from Boston to Saint Thomas Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Boston to Saint Thomas Island?

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. 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 Saint Thomas Island. Reviews last updated April 22, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andJetBlue from Boston to Saint Thomas Island by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,431 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,431 reviews
Delta
7.9
Good
8,431 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,625 reviews
Delta
7.9
Good
8,431 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,948 reviews
Delta
7.9
Good
8,431 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,647 reviews
Delta
7.9
Good
8,431 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,628 reviews
Delta
7.9
Good
8,431 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Boston to Saint Thomas Island?

    You will need to book a flight from Boston Logan Intl to Saint Thomas Island Cyril E King if you want to fly from Boston to Saint Thomas Island. At least 5 different airlines have flights from Logan Intl (BOS) to Cyril E King (STT) on a regular basis. There is 1 flight to Saint Thomas Island from the Boston airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BOS to STT to be around 3h 57m.

  • How popular is this Boston to Saint Thomas Island flight route?

    This flight path from Boston Logan Intl to Saint Thomas Island Cyril E King was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to Saint Thomas Island?

    Airlines like Delta, American Airlines, and United Airlines fly from Boston to Saint Thomas Island in about 8h 03m. The time it takes to get you to your destination can typically vary by up to 3h 12m. Airlines will cover a distance of 1697 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to Saint Thomas Island round-trip?

    Currently priced at $158, JetBlue will fly you from Boston to Saint Thomas Island and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $175 and $228, respectively. JetBlue is priced at 64% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Boston to Saint Thomas Island one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $98. American Airlines flights start at $113 while deals on JetBlue start at $125 one-way.

  • What are the most reliable airlines from Boston to Saint Thomas Island?

    Before booking your flight to Saint Thomas Island from Boston, check out the most reliable airlines to get you to your destination on time: TAP AIR PORTUGAL (80%), Delta (77%), JetBlue( 75%).

  • What are the cheapest flights from Boston to Saint Thomas Island?

    While on average a flight from Boston to Saint Thomas Island is generally $378, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Boston Logan Intl - Saint Thomas Island Cyril E King), you can expect to pay $230 for that flight.

  • Where are the most common layover locations when flying from Boston to Saint Thomas Island?

    Boston to Saint Thomas Island flights have a layover in Miami most often. San Juan sees the next most layovers on Boston to Saint Thomas Island flights.

  • What are some popular things to do or see while on a layover in Miami?

    If you're on a layover in Miami and looking for things to do, consider visiting Kaseya Center, Bayside Marketplace, or Bayfront Park. Travelers on a layover in Miami can visit Kaseya Center, Bayside Marketplace, and Bayfront Park, by traveling 6.2 mi, 6.4 mi, and 6.4 mi, respectively after landing at Miami. Travelers can book a car rental at Miami for about $26 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in San Juan?

    Viejo San Juan, Casa Blanca, and Museo de Historia, Antropología y Arte Río Piedras are the most popular attractions in San Juan if you're in need of something to do during your layover. Viejo San Juan, Casa Blanca, and Museo de Historia, Antropología y Arte Río Piedras can be accessed by traveling approximately 7.7 mi, 7.9 mi, and 3.9 mi, respectively from San Juan Luis Munoz Marin Intl. Travelers in need of a car in San Juan can rent one for about $40 per day.

  • Where are the least popular layover locations for Boston to Saint Thomas Island flights?

    Boston to Saint Thomas Island flights have a layover in New York the least frequently.

  • Can I find deals for flights from Boston to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Boston to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Saint Thomas Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Saint Thomas Island.

  • Can I find deals for business class flights from Boston to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Boston to Saint Thomas Island 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 Boston to Saint Thomas Island?

    Currently, March is the cheapest month in which you can book a flight from Boston to Saint Thomas Island (average of $331). Flying from Boston to Saint Thomas Island in November is currently the most expensive (average of $543). 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

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

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Alternative routes for Boston to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to Saint Thomas Island flights
Albany to Saint Thomas Island flights
Albany to Christiansted flights
Worcester to Saint Thomas Island flights

Top 5 airlines flying from Boston to Saint Thomas Island

Discover the top 5 airlines that operate flights from Boston to Saint Thomas Island. 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 April 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$158Average$415FlexibilityNo cancel feeOn-time62%
DeltaCheapest$175Average$423FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$432FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$243Average$498FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$257Average$383FlexibilityNo cancel feeOn-time65%

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