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Dulles Intl

$136+ Cheap flights from Salt Lake City (SLC) to Dulles Intl (IAD)

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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — IAD
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Find cheap flights from Salt Lake City to Dulles Intl with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Salt Lake City to Washington, D.C. Dulles Intl are usually found in September or November, booked 80 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Salt Lake City to Dulles Intl

Cheapest flights from Salt Lake City to Dulles Intl
Explore the most affordable flight options available from Salt Lake City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 4/77:35 am
SLC
-
IAD
2 stops15h 01m
Frontier
Mon 4/138:30 pm
IAD
-
SLC
1 stop25h 59m
Frontier
Deal found 2/10$245
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Thu 4/165:34 pm
SLC
-
IAD
1 stop22h 45m
Frontier
Sun 4/197:04 pm
IAD
-
SLC
1 stop23h 45m
Frontier
Deal found 2/8$264
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Thu 4/307:35 am
SLC
-
IAD
2 stops15h 01m
Frontier
Sun 5/37:04 pm
IAD
-
SLC
1 stop23h 45m
Frontier
Deal found 2/8$265
This Delta deal was found by Cheapflights users on 2/9. 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 10/105:50 pm
SLC
-
IAD
Nonstop3h 56m
Delta
Thu 10/157:15 am
IAD
-
SLC
Nonstop4h 54m
Delta
Deal found 2/9$269
This Gotogate deal was found by Cheapflights users on 2/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:00 pm
SLC
-
IAD
1 stop15h 12m
Multiple Airlines
Mon 3/210:20 am
IAD
-
SLC
1 stop12h 11m
Multiple Airlines
Deal found 2/9$272
This Trip.com deal was found by Cheapflights users on 2/8. 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.
Mon 3/99:15 pm
SLC
-
IAD
2 stops25h 16m
Frontier
Wed 3/116:20 am
IAD
-
SLC
2 stops19h 54m
Frontier
Deal found 2/8$277
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Wed 3/1111:17 am
SLC
-
IAD
1 stop27h 45m
Frontier
Tue 3/177:00 am
IAD
-
SLC
2 stops19h 14m
Frontier
Deal found 2/7$278
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/281:12 pm
SLC
-
IAD
1 stop8h 22m
United Airlines
Tue 5/55:50 pm
IAD
-
SLC
Nonstop5h 07m
United Airlines
Deal found 2/10$279
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:08 am
SLC
-
IAD
1 stop8h 19m
Alaska Airlines
Tue 3/107:05 am
IAD
-
SLC
1 stop9h 21m
Alaska Airlines
Deal found 2/8$283
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/47:30 am
SLC
-
IAD
1 stop6h 35m
United Airlines
Mon 3/95:26 pm
IAD
-
SLC
1 stop7h 15m
United Airlines
Deal found 2/9$284
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Fri 3/69:14 pm
SLC
-
IAD
2 stops25h 17m
Frontier
Sun 3/86:30 pm
IAD
-
SLC
1 stop15h 13m
Frontier
Deal found 2/8$287
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:08 pm
SLC
-
IAD
1 stop21h 33m
Alaska Airlines
Tue 4/289:00 am
IAD
-
SLC
1 stop12h 37m
Alaska Airlines
Deal found 2/8$289

Find flight deals from Salt Lake City to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Dulles Intl (IAD). 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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$245
(Kiwi.com)

One-way from

$136
(Kiwi.com)

Popular in

October

Cheapest in

September

Average price

$348

Good round-trip deal

$314 or less

Good one-way deal

$233 or less
Provider with most accurate pricing for Salt Lake City-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-Washington, D.C. Dulles Intl flights.
Search Deals
From Salt Lake City to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Salt Lake City to Washington, D.C. Dulles Intl
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Salt Lake City to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Salt Lake City to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Salt Lake City to Dulles Intl 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 February 11, 2026.
Use the filters below to find and compare flights from Salt Lake City to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Salt Lake City

Fly to

Dulles Intl

Route

Depart

Return

Price

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 3/11

6:52 pm-5:27 pm

1 stop20h 35m

Washington, D.C. Dulles Intl

Tue 3/17

7:05 am-2:26 pm

1 stop9h 21m

$277

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 4/28

1:03 pm-10:44 pm

1 stop7h 41m

Washington, D.C. Dulles Intl

Tue 5/5

5:50 pm-8:57 pm

Nonstop5h 07m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 3/11

5:50 pm-11:40 pm

Nonstop3h 50m

Washington, D.C. Dulles Intl

Sat 3/21

6:01 am-1:16 pm

1 stop9h 15m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 5/29

11:55 pm-6:08 am

Nonstop4h 13m

Washington, D.C. Dulles Intl

Tue 6/2

2:40 pm-8:55 pm

1 stop8h 15m

$279

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 3/11

6:10 am-3:55 pm

1 stop7h 45m

Washington, D.C. Dulles Intl

Wed 3/18

5:50 am-1:15 pm

1 stop9h 25m

$289

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 4/24

6:00 am-4:15 pm

1 stop8h 15m

Washington, D.C. Dulles Intl

Tue 4/28

7:20 am-10:04 am

Nonstop4h 44m

$289

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Sat 5/2

4:20 pm-12:18 am

1 stop5h 58m

Washington, D.C. Dulles Intl

Sat 5/16

6:00 am-12:11 pm

1 stop8h 11m

$289

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 4/24

4:18 pm-12:15 am

1 stop5h 57m

Washington, D.C. Dulles Intl

Fri 8/21

6:30 am-12:15 pm

1 stop7h 45m

$289

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 4/28

1:20 pm-11:40 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Tue 5/5

6:20 am-5:45 pm

2 stops13h 25m

$294

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Tue 4/7

4:18 pm-12:15 am

1 stop5h 57m

Washington, D.C. Dulles Intl

Sat 4/11

9:55 am-3:23 pm

1 stop7h 28m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 21 results
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Compare providers for flights from Salt Lake City to Dulles Intl

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 Salt Lake City to Dulles Intl in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice 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 Salt Lake City-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Salt Lake City-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Salt Lake City-Washington, D.C. Dulles Intl Airport 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 Salt Lake City-Washington, D.C. Dulles Intl Airport 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 Salt Lake City to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Salt Lake City 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 Salt Lake City to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to Dulles Intl. Price data was last updated on February 6, 2026.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Salt Lake City to Washington, D.C. Dulles Intl Airport. 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 Salt Lake City to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport (average of $178). Flying from Salt Lake City to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $277). 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 SLC to IAD?

Find hourly flight availability from Salt Lake City to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 11, 2026.

It’s optimal to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Dulles Intl. Price data was last updated on February 7, 2026.

Travelers seeking maximum savings on their Salt Lake City to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Salt Lake City to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on SLC and IAD

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

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated February 11, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Salt Lake City to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,180 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,273 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,265 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,052 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to Dulles Intl. 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 from for flights from Salt Lake City to Washington, D.C. Dulles Intl?

    Located just 5.7 mi from the city center, Salt Lake City is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Salt Lake City. Booking flights from Salt Lake City (SLC) to Washington, D.C. Dulles Intl should be relatively easy as there are 2 daily outbound flights to Washington, D.C. Dulles Intl from 5 different airlines.

  • How long is the flight from Salt Lake City to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Salt Lake City to Washington, D.C. Dulles Intl Airport in 3h 50m. Fly via Alaska Airlines, United Airlines, or Delta to get the fastest option. Airlines will cover a distance of 1823 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Salt Lake City to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Salt Lake City to Washington, D.C. Dulles Intl Airport round-trip from $150. Other airlines that can offer you cheap pricing are United Airlines, from $269, and Delta, from $269. You may be able to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport for 59% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Salt Lake City to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Salt Lake City to Washington, D.C. Dulles Intl Airport are Frontier ($89), Southwest ($144), and United Airlines ($186).

  • What are the most reliable airlines from Salt Lake City to Washington, D.C. Dulles Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport consider choosing Aeromexico (96%), Korean Air (88%) or Delta (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Salt Lake City to Washington, D.C. Dulles Intl Airport?

    While on average a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport is generally $464, our data shows the cheapest flight currently is $168. When looking at the most popular route, (Salt Lake City - Washington, D.C. Dulles Intl), you can expect to pay $266 for that flight.

  • Can I find deals for flights from Salt Lake City to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Salt Lake City to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Salt Lake City to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Salt Lake City to Dulles Intl.

  • Can I find deals for business class flights from Salt Lake City to Dulles Intl?

    Yes. Cheapflights offers flight deals from Salt Lake City to Dulles Intl 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 Salt Lake City to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. Dulles Intl Airport (average of $178). Flying from Salt Lake City to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $277). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Salt Lake City to Dulles Intl

Discover the top 5 airlines that operate flights from Salt Lake City to Dulles Intl. 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$187FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$269Average$375FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$378FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$407FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$288Average$416FlexibilityNo cancel feeOn-time63%

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