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$119+ Cheap flights from San Diego to Boston (SAN - BOS)

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BOS
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
1 adult, Economy
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Find cheap flights from San Diego to Boston 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from San Diego to Boston Logan Intl are usually found in January or May, booked 69 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from San Diego to Boston

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Boston (BOS). 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 16, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$217
(SmartFares)

One-way from

$119
(Hawaiian Airlines)

Popular in

December

Cheapest in

January

Average price

$379

Good round-trip deal

$261 or less

Good one-way deal

$166 or less
Provider with most accurate pricing for San Diego-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for San Diego-Boston Logan Intl flights.
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From San Diego to Boston Logan Intl
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One-way flight from San Diego to Boston Logan Intl
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High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from San Diego to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from San Diego to Boston Logan Intl.
Search Deals

Find flight deals from San Diego to Boston

Cheapest flights from San Diego to Boston
Explore the most affordable flight options available from San Diego to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.

This SmartFares deal was found by Cheapflights users on 4/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1710:45 pmSAN - BOS
Nonstop5h 55mAlaska Airlines
Sat 5/248:40 amBOS - SAN
Nonstop6h 21mAlaska Airlines
Deal found 4/15$217
This Expedia deal was found by Cheapflights users on 4/15. 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.
Tue 5/138:48 pmSAN - BOS
2 stops16h 36mMultiple Airlines
Tue 5/208:40 amBOS - SAN
Nonstop6h 21mMultiple Airlines
Deal found 4/15$221
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:15 amSAN - BOS
2 stops27h 40mSpirit Airlines
Tue 5/1310:04 amBOS - SAN
2 stops16h 52mSpirit Airlines
Deal found 4/15$224
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1710:45 pmSAN - BOS
Nonstop5h 55mHawaiian Airlines
Sat 5/248:40 amBOS - SAN
Nonstop6h 21mHawaiian Airlines
Deal found 4/16$230
This JetBlue deal was found by Cheapflights users on 4/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2411:35 amSAN - BOS
Nonstop5h 52mJetBlue
Sat 5/315:12 amBOS - SAN
1 stop8h 59mJetBlue
Deal found 4/16$247
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 5/712:45 pmSAN - BOS
1 stop8h 14mUnited Airlines
Sat 5/106:00 amBOS - SAN
1 stop8h 43mUnited Airlines
Deal found 4/16$252
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 5/206:15 amSAN - BOS
1 stop7h 33mAmerican Airlines
Tue 5/274:19 pmBOS - SAN
1 stop8h 25mAmerican Airlines
Deal found 4/15$259
This Delta deal was found by Cheapflights users on 4/14. 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 5/229:44 pmSAN - BOS
Nonstop5h 36mDelta
Tue 6/35:10 pmBOS - SAN
Nonstop6h 19mDelta
Deal found 4/14$307
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/311:05 amSAN - BOS
2 stops9h 50mSouthwest
Wed 5/75:50 amBOS - SAN
1 stop12h 05mSouthwest
Deal found 4/16$340

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Boston 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 16, 2025.
Use the filters below to find and compare flights from San Diego to Boston that are best for you.

Fly from

San Diego

Fly to

Boston

Route

Depart

Return

Price

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 5/17

10:45 pm-7:40 am

Nonstop5h 55m

Boston Logan Intl

Sat 5/24

8:40 am-12:01 pm

Nonstop6h 21m

$217

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 5/13

8:48 pm-4:24 pm

2 stops16h 36m

Boston Logan Intl

Tue 5/20

8:40 am-12:01 pm

Nonstop6h 21m

$221

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 5/6

6:15 am-12:55 pm

2 stops27h 40m

Boston Logan Intl

Tue 5/13

10:04 am-11:56 pm

2 stops16h 52m

$224

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 5/17

10:45 pm-7:40 am

Nonstop5h 55m

Boston Logan Intl

Sat 5/24

8:40 am-12:01 pm

Nonstop6h 21m

$230

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 5/17

8:25 pm-5:12 am

Nonstop5h 47m

Boston Logan Intl

Sat 5/24

11:44 am-6:37 pm

1 stop9h 53m

$247

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 5/7

12:45 pm-11:59 pm

1 stop8h 14m

Boston Logan Intl

Sat 5/10

6:00 am-11:43 am

1 stop8h 43m

$252

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 5/20

6:15 am-4:48 pm

1 stop7h 33m

Boston Logan Intl

Tue 5/27

4:19 pm-9:44 pm

1 stop8h 25m

$259

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 5/1

9:51 pm-6:20 am

Nonstop5h 29m

Boston Logan Intl

Wed 5/7

5:10 pm-8:29 pm

Nonstop6h 19m

$309

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 5/3

11:05 am-11:55 pm

2 stops9h 50m

Boston Logan Intl

Wed 5/7

5:50 am-2:55 pm

1 stop12h 05m

$340

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 6/10

10:45 pm-7:40 am

Nonstop5h 55m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 20 results
1
2

Compare providers for flights from San Diego to Boston

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 San Diego to Boston in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 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 San Diego-Boston flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on San Diego-Boston flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from San Diego-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Boston flights, Cheapflights users trust Mytrip the most. Mytrip 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 San Diego-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for San Diego to Boston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Boston trip
Airports
SAN

Plan to arrive at SAN at least two hours before your flight to avoid stress from potential traffic congestion.

Read more about SANby Blane Bachelor
BOS

Use the Silver Line bus for free transit from BOS to downtown Boston's South Station, connecting you to local and regional routes.

Read more about BOSby Paul Rubio
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Best time to book a flight from San Diego to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Diego 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 San Diego to Boston

How far ahead should I book a flight from San Diego to Boston?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Boston. Price data was last updated on April 11, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Boston, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Diego to Boston?

Currently, January is the cheapest month in which you can book a flight from San Diego to Boston (average of $218). Flying from San Diego to Boston in July is currently the most expensive (average of $311). 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 SAN to BOS?

Find hourly flight availability from San Diego to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 16, 2025.

When flying from San Diego to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 34% versus a flight in the morning.

What is the cheapest day to fly from San Diego to Boston?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Boston. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their San Diego to Boston flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Diego to Boston

Explore weekly flight availability from San Diego to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 16, 2025.

The most flights from SAN to BOS are scheduled on a Tuesday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated April 16, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from San Diego to Boston. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,282 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,380 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,665 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from San Diego to Boston. 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 San Diego to Boston?

    If you book a flight from San Diego to Boston, you will be flying from San Diego to Logan Intl. Flights to Boston Logan Intl (BOS) from San Diego (SAN) take 5h 29m for a nonstop flight. There are 14 flights from San Diego to Boston per day from 9 airlines.

  • How popular is this San Diego to Boston flight route?

    Flights from San Diego to Boston Logan Intl have been viewed 16 times in the past calendar month.

  • What are the cheapest airlines flying from San Diego to Boston round-trip?

    Our cheapest airline available from San Diego to Boston is Alaska Airlines. Our recent data shows that you can find tickets from as low as $217 on this airline. Additional options worth looking into are Spirit Airlines and Hawaiian Airlines, starting at $224 and $230 round-trip. Users have found that Alaska Airlines is 43% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Diego to Boston one-way?

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $119. United Airlines flights start at $129 while deals on Spirit Airlines start at $133 one-way.

  • What are the most reliable airlines from San Diego to Boston?

    Before booking your flight to Boston from San Diego, check out the most reliable airlines to get you to your destination on time: Aer Lingus (89%), Hawaiian Airlines (79%), Icelandair( 78%).

  • What are the cheapest flights from San Diego to Boston?

    The cheapest flight price from San Diego to Boston is $118. On average you can expect to pay $1,077. The most popular route, (San Diego - Boston Logan Intl), can usually be booked for $225.

  • Where are the most common layover locations when flying from San Diego to Boston?

    Most of the time, San Diego to Boston flights that have layovers will stop in Phoenix. Phoenix is followed by Las Vegas in terms of the most popular layover location on flights from San Diego to Boston.

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

    Most Phoenix visitors opt to spend their time experiencing Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall. Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall are located about 4.0 mi, 16.7 mi, and 4.3 mi, respectively from Phoenix Sky Harbor Intl. Travelers can rent a car at Phoenix Sky Harbor Intl for an average daily rate of $56 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Las Vegas?

    Fremont Street Experience, Colosseum at Caesars Palace, and Fountains of Bellagio are currently the most popular points of interest in Las Vegas at the moment. Fremont Street Experience, Colosseum at Caesars Palace and Fountains of Bellagio are located about 5.9 mi, 2.6 mi, and 2.3 mi, respectively from Las Vegas Harry Reid Intl if you are interested in checking them out. Travelers in need of a car in Las Vegas can rent one for about $63 per day.

  • Where are the least popular layover locations for San Diego to Boston flights?

    San Diego to Boston flights have a layover in Chicago least often. Philadelphia follows Chicago in terms of the least common layover location on San Diego to Boston flights.

  • Can I find deals for flights from San Diego to Boston that include hotel bookings?

    Yes. In addition to deals on San Diego to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Boston?

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

  • Can I find deals for business class flights from San Diego to Boston?

    Yes. Cheapflights offers flight deals from San Diego to Boston 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 San Diego to Boston?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Boston (average of $218). Flying from San Diego to Boston in July is currently the most expensive (average of $311). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
Marlborough
Warwick
Waltham
Framingham
Cambridge
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Seekonk
Randolph
Brockton
Lowell
Seabrook
West Yarmouth
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Smithfield
Lincoln
Salem
Chelsea

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Alternative routes for San Diego to Boston

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Top 9 airlines flying from San Diego to Boston

Discover the top 9 airlines that operate flights from San Diego to Boston. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$168FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$116Average$250FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$153Average$352FlexibilityNo cancel feeOn-time85%
DeltaCheapest$167Average$391FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$178Average$411FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$236Average$480FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$251Average$446FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$254Average$454FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$356Average$468FlexibilityNo cancel feeOn-time63%

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