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$78+ Cheap flights from Washington, D.C. (WAS) to Boston (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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOS
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Boston Logan Intl are usually found in January or February, booked 30 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Washington, D.C. to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$142
(Delta)

One-way from

$78
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$218

Good round-trip deal

$197 or less

Good one-way deal

$116 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Boston Logan Intl flights.
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From Washington, D.C. (WAS) to Boston Logan Intl
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One-way flight from Washington, D.C. (WAS) to Boston Logan Intl
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Highest demand for flights based on searches. 10% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Boston Logan Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Boston Logan Intl.
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Find flight deals from Washington, D.C. to Boston

Cheapest flights from Washington, D.C. to Boston
Explore the most affordable flight options available from Washington, D.C. to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

This Delta deal was found by Cheapflights users on 9/23. 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.
Sat 11/152:00 pmDCA - BOS
Nonstop1h 47mDelta
Mon 11/249:59 pmBOS - DCA
Nonstop1h 56mDelta
Deal found 9/23$142
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/158:30 amIAD - BOS
1 stop4h 55mUnited Airlines
Thu 10/235:30 amBOS - IAD
Nonstop1h 41mUnited Airlines
Deal found 9/23$142
This JetBlue deal was found by Cheapflights users on 9/23. 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.
Thu 11/271:55 pmDCA - BOS
Nonstop1h 33mJetBlue
Sat 12/61:00 pmBOS - DCA
Nonstop1h 44mJetBlue
Deal found 9/23$144
This American Airlines deal was found by Cheapflights users on 9/24. 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 11/193:44 pmDCA - BOS
Nonstop1h 40mAmerican Airlines
Fri 11/286:59 amBOS - DCA
Nonstop1h 51mAmerican Airlines
Deal found 9/24$146
This Delta deal was found by Cheapflights users on 9/23. 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.
Fri 11/710:00 pmDCA - BOS
Nonstop1h 40mDelta
Fri 11/149:59 pmBOS - DCA
Nonstop1h 59mDelta
Deal found 9/23$147
This United Airlines deal was found by Cheapflights users on 9/25. 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 12/85:33 pmIAD - BOS
1 stop5h 12mUnited Airlines
Thu 12/115:30 amBOS - IAD
Nonstop1h 44mUnited Airlines
Deal found 9/25$147
This Priceline deal was found by Cheapflights users on 9/24. 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.
Fri 11/148:50 pmDCA - BOS
Nonstop1h 36mJetBlue
Thu 11/206:20 amBOS - DCA
Nonstop1h 45mJetBlue
Deal found 9/24$149
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 11/1110:07 pmIAD - BOS
Nonstop1h 35mUnited Airlines
Tue 11/185:30 amBOS - IAD
Nonstop1h 43mUnited Airlines
Deal found 9/22$149
This Frontier deal was found by Cheapflights users on 9/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:36 pmIAD - BOS
1 stop11h 52mFrontier
Mon 11/179:55 amBOS - IAD
1 stop7h 03mFrontier
Deal found 9/24$150
This Flysmarter deal was found by Cheapflights users on 9/25. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:55 pmDCA - BOS
1 stop7h 08mJetBlue
Sun 11/96:10 amBOS - DCA
Nonstop1h 46mJetBlue
Deal found 9/25$151
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:00 amIAD - BOS
1 stop18h 44mFrontier
Sun 12/76:00 amBOS - IAD
1 stop6h 49mFrontier
Deal found 9/25$151
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/266:00 amDCA - BOS
Nonstop1h 38mAmerican Airlines
Wed 10/296:00 amBOS - DCA
Nonstop1h 45mAmerican Airlines
Deal found 9/23$152

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 September 25, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Boston that are best for you.

Fly from

Washington, D.C.

Fly to

Boston

Route

Depart

Return

Price

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Thu 10/23

8:30 am-1:25 pm

1 stop4h 55m

Boston Logan Intl

Thu 10/30

5:30 am-7:13 am

Nonstop1h 43m

$142

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sat 11/1

10:07 pm-11:42 pm

Nonstop1h 35m

Boston Logan Intl

Mon 11/3

6:25 pm-10:58 pm

1 stop4h 33m

$142

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Sat 10/25

2:00 pm-3:45 pm

Nonstop1h 45m

Boston Logan Intl

Mon 10/27

9:59 pm-11:52 pm

Nonstop1h 53m

$147

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Sat 11/8

7:00 am-12:29 pm

1 stop5h 29m

Boston Logan Intl

Sun 11/9

8:15 am-12:34 pm

1 stop4h 19m

$157

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 11/25

10:07 pm-11:42 pm

Nonstop1h 35m

Boston Logan Intl

Tue 12/2

5:30 am-7:14 am

Nonstop1h 44m

$157

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Sun 10/19

6:15 am-11:08 am

1 stop4h 53m

Boston Logan Intl

Tue 10/21

12:10 pm-4:05 pm

1 stop3h 55m

$157

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 10/17

10:19 pm-11:59 pm

Nonstop1h 40m

Boston Logan Intl

Sat 10/18

5:30 am-7:11 am

Nonstop1h 41m

$161

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Sat 12/13

12:30 pm-2:01 pm

Nonstop1h 31m

Boston Logan Intl

Mon 12/15

8:00 am-2:27 pm

1 stop6h 27m

$170

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 11/19

9:05 am-12:28 pm

1 stop3h 23m

Boston Logan Intl

Fri 11/28

10:25 am-3:53 pm

1 stop5h 28m

$171

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Mon 11/17

7:00 pm-10:47 pm

1 stop3h 47m

Boston Logan Intl

Sat 11/22

9:00 am-1:19 pm

1 stop4h 19m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 59 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Boston in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy3 starsTrust 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 Washington, D.C.-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Boston 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 Washington, D.C.-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 Washington, D.C. 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 Washington, D.C. to Boston trip
Airports
IAD

For quick check-in at IAD, locate your airline counter in the main terminal's island setup. Be prepared for crowded afternoon and evening hours.

Read more about IADby Ramsey Qubein
BOS

At BOS, use the MBTA Silver Line for a free ride to downtown Boston. It's a convenient and economical option for travelers.

Read more about BOSby Paul Rubio
Our travel experts
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
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Washington, D.C. to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Washington, D.C. 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 Washington, D.C. to Boston

How far ahead should I book a flight from Washington, D.C. to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Boston. Price data was last updated on September 19, 2025.

The best time to book flights from Washington, D.C. to Boston is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. to Boston?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $218). Flying from Washington, D.C. 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 WAS to BOS?

Find hourly flight availability from Washington, D.C. 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 September 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. to Boston?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Boston. Price data was last updated on September 21, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Boston

Explore weekly flight availability from Washington, D.C. 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 September 25, 2025.

The most flights from WAS to BOS are scheduled on a Thursday (96 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

How much does it cost to fly round-trip from Washington, D.C. to Boston?

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 September 25, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.2
Good
2,914 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,045 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What airport do you fly into for flights to Boston from Washington, D.C.?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Boston from Washington, D.C.. Booking flights from Washington, D.C. to Logan Intl (BOS) should be relatively easy as there are 70 daily inbound flights from Washington, D.C. from 7 different airlines.

  • How long is the flight from Washington, D.C. to Boston?

    United Airlines, Delta, and JetBlue can get you from Washington, D.C. to Boston in just under 1h 31m. Your travel time can differ by up to 3h 24m. Washington, D.C. and Boston are separated by a distance of 398 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. to Boston round-trip?

    According to our current data, Spirit Airlines ($56), JetBlue ($63), and Delta ($78) offers the cheapest pricing from Washington, D.C. to Boston. These flights start at 73% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Boston one-way?

    One-way options have recently been found by users for as low as $79 on Delta. Other airlines that offer cheap prices include United Airlines from $79 and Southwest from $89 one-way.

  • What are the most popular routes from Washington, D.C. to Boston?

    Most travelers choose Baltimore/Washington - Boston Logan Intl, Washington, D.C. Dulles Intl - Boston Logan Intl or Washington, D.C. Reagan-National - Boston Logan Intl when deciding on the best route from Washington, D.C. to Boston.

  • What are the most reliable airlines from Washington, D.C. to Boston?

    The top 3 most reliable airlines when flying from Washington, D.C. to Boston are ITA Airways (100%), Egyptair (96%) and Air China (88%).

  • What are the cheapest flights from Washington, D.C. to Boston?

    On average you can expect to pay $448 for a flight from Washington, D.C. to Boston. The cheapest flight overall is $78 while the most popular route, (Baltimore/Washington - Boston Logan Intl) is currently priced at $166.

  • Can I find deals for flights from Washington, D.C. to Boston that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Boston?

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

  • Can I find deals for business class flights from Washington, D.C. to Boston?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Boston?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $218). Flying from Washington, D.C. 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Washington, D.C. to Boston

Discover the top 7 airlines that operate flights from Washington, D.C. 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 September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$119FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$63Average$238FlexibilityNo cancel feeOn-time62%
DeltaCheapest$78Average$228FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$116Average$258FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$118Average$276FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$147Average$263FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$161Average$268FlexibilityNo cancel feeOn-time63%

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