$375+ Cheap flights from Denver (DEN) to Basel (EAP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — EAP
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Basel 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Denver to Basel
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Cheapest flights from Denver to BaselExplore the most affordable flight options available from Denver to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
Explore the most affordable flight options available from Denver to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
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.
Wed 11/410:45 am -
2 stops19h 10m
Wed 11/1110:10 am -
2 stops18h 01m
Deal found 9/23![Delta logo]()
$620
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.
Thu 11/512:57 pm -
2 stops16h 58m
Wed 11/1110:10 am -
2 stops21h 24m
Deal found 9/23![Delta logo]()
$670
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 11/48:30 pm -
1 stop11h 35m
Wed 11/116:40 am -
1 stop16h 55m
Deal found 9/23![United Airlines logo]()
$721
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:48 pm -
2 stops15h 17m
Thu 11/262:40 pm -
2 stops27h 55m
Deal found 9/24![Multiple Airlines logo]()
$727
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 11/186:00 am -
2 stops26h 05m
Thu 11/262:40 pm -
2 stops27h 55m
Deal found 9/23![United Airlines logo]()
$734
This Justfly.com deal was found by Cheapflights users on 9/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:08 pm -
2 stops20h 42m
Wed 11/1111:05 am -
2 stops21h 21m
Deal found 9/20![British Airways logo]()
$735
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.
Fri 11/64:15 pm -
1 stop15h 50m
Fri 11/136:40 am -
1 stop16h 55m
Deal found 9/22![United Airlines logo]()
$771
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:15 pm -
1 stop12h 05m
Sun 11/151:00 pm -
1 stop14h 05m
Deal found 9/24![United Airlines logo]()
$773
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:15 pm -
1 stop12h 05m
Wed 11/111:00 pm -
1 stop33h 30m
Deal found 9/23![Lufthansa logo]()
$774
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:13 pm -
2 stops36h 57m
Wed 11/118:50 pm -
1 stop26h 20m
Deal found 9/23![British Airways logo]()
$780
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:40 pm -
2 stops21h 25m
Wed 11/118:00 pm -
3 stops30h 00m
Deal found 9/23![Multiple Airlines logo]()
$818
Best flights from Denver to BaselDiscover carefully curated flight deals from Denver to Basel that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
Discover carefully curated flight deals from Denver to Basel that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
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.
Wed 11/410:45 am -
2 stops19h 10m
Wed 11/1110:10 am -
2 stops18h 01m
Deal found 9/23![Delta logo]()
$620
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:30 pm -
1 stop11h 35m
Thu 11/266:45 am -
1 stop16h 50m
Deal found 9/24![Multiple Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Wed 11/43:01 pm -
2 stops17h 04m
Wed 11/116:40 am -
1 stop16h 55m
Deal found 9/20![United Airlines logo]()
$725
This Turkish Airlines deal was found by Cheapflights users on 9/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:30 pm -
1 stop30h 20m
Thu 11/1910:45 am -
1 stop38h 40m
Deal found 9/20![Turkish Airlines logo]()
$1,057
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:30 pm -
1 stop11h 35m
Wed 11/2510:40 am -
1 stop12h 55m
Deal found 9/23![Multiple Airlines logo]()
$721
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 11/186:00 am -
2 stops26h 05m
Thu 11/262:40 pm -
2 stops27h 55m
Deal found 9/23![United Airlines logo]()
$734
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 11/189:49 am -
2 stops15h 11m
Wed 11/252:40 pm -
2 stops27h 55m
Deal found 9/23![United Airlines logo]()
$734
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.
Fri 11/64:15 pm -
1 stop15h 50m
Fri 11/136:40 am -
1 stop16h 55m
Deal found 9/22![United Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:55 pm -
1 stop14h 05m
Mon 10/268:00 pm -
1 stop26h 30m
Deal found 9/21![United Airlines logo]()
$901
This United Airlines deal was found by Cheapflights users on 9/20. 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 2/131:30 pm -
2 stops16h 30m
Sun 2/212:40 pm -
2 stops17h 15m
Deal found 9/20![United Airlines logo]()
$1,097
Last-minute flights from Denver to BaselDiscover last-minute flight deals from Denver to Basel. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Basel. Data last updated September 25, 2026 and is based on user searches.
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.
Fri 10/28:51 am -
2 stops17h 29m
Fri 10/911:10 am -
2 stops18h 17m
Deal found 9/25![United Airlines logo]()
$1,024
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Sun 10/44:05 pm -
1 stop19h 30m
Wed 10/76:10 am -
1 stop17h 30m
Deal found 9/20![United Airlines logo]()
$1,325
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:20 am -
2 stops16h 00m
Sun 10/1111:00 am -
1 stop12h 40m
Deal found 9/21![United Airlines logo]()
$1,508
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:55 pm -
1 stop14h 05m
Mon 10/268:00 pm -
1 stop26h 30m
Deal found 9/21![United Airlines logo]()
$901
This Turkish Airlines deal was found by Cheapflights users on 9/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 am -
2 stops19h 45m
Fri 10/237:15 pm -
1 stop31h 10m
Deal found 9/21![Turkish Airlines logo]()
$1,072
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:40 pm -
1 stop12h 20m
Fri 10/236:00 am -
1 stop15h 35m
Deal found 9/21![United Airlines logo]()
$1,338
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.
Fri 10/233:55 pm -
1 stop14h 20m
Fri 10/301:00 pm -
1 stop14h 05m
Deal found 9/25![United Airlines logo]()
$914
One-way flights from Denver to BaselSearch for one-way flight options from Denver to Basel. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
Search for one-way flight options from Denver to Basel. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:02 pm -
2 stops55h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$375
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/173:40 pm -
3 stops43h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$562
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:05 am -
2 stops18h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Delta logo]()
$583
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:05 pm -
1 stop18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![British Airways logo]()
$628
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:35 pm -
1 stop20h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![British Airways logo]()
$633
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:40 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Lufthansa logo]()
$642
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:35 am -
2 stops23h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$644
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:05 pm -
1 stop18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![British Airways logo]()
$948
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:17 pm -
2 stops14h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![British Airways logo]()
$1,893
Find flight deals from Denver to Basel
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Basel (EAP). 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, 2026.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $620 (Delta) |
One-way from | $375 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Basel 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 7,457,451 searches. Data last updated September 25, 2026.
Use the filters below to find and compare flights from Denver to Basel that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverBasel
DEN Denver Intl - BSL Basel EuroAirport Swiss
DENBSL
Denver Intl
Wed 10/14
7:02 pm-10:40 am
2 stops55h 38m
Basel EuroAirport Swiss
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$375
DenverBasel
DEN Denver Intl - BSL Basel EuroAirport Swiss
DENBSL
Denver Intl
Thu 12/17
3:40 pm-7:30 pm
3 stops43h 50m
Basel EuroAirport Swiss
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$562
DenverBasel
DEN Denver Intl - BSL Basel EuroAirport Swiss
DENBSL
Denver Intl
Thu 12/10
7:05 am-10:00 am
2 stops18h 55m
Basel EuroAirport Swiss
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$583
DenverBasel
DEN Denver Intl - BSL Basel EuroAirport Swiss
DENBSL
Denver Intl
Wed 11/4
10:45 am-1:55 pm
2 stops19h 10m
Basel EuroAirport Swiss
Wed 11/11
10:10 am-8:11 pm
2 stops18h 01m
$620
DenverBasel
DEN Denver Intl - BSL Basel EuroAirport Swiss
DENBSL
Denver Intl
Thu 12/10
5:05 pm-7:45 pm
1 stop18h 40m
Basel EuroAirport Swiss
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$628
Quickest round-trip
DenverBasel
DEN Denver Intl - BSL Basel EuroAirport Swiss
DENBSL
Denver Intl
Tue 10/6
6:35 pm-6:55 pm
1 stop16h 20m
Basel EuroAirport Swiss
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$633
DenverBasel
DEN Denver Intl - BSL Basel EuroAirport Swiss
DENBSL
Denver Intl
Wed 11/18
8:30 pm-4:05 pm
1 stop11h 35m
Basel EuroAirport Swiss
Thu 11/26
6:45 am-3:35 pm
1 stop16h 50m
$721
DenverBasel
DEN Denver Intl - BSL Basel EuroAirport Swiss
DENBSL
Denver Intl
Wed 11/18
8:30 pm-4:05 pm
1 stop11h 35m
Basel EuroAirport Swiss
Wed 11/25
10:40 am-3:35 pm
1 stop12h 55m
$721
DenverBasel
DEN Denver Intl - BSL Basel EuroAirport Swiss
DENBSL
Denver Intl
Wed 11/4
3:01 pm-4:05 pm
2 stops17h 04m
Basel EuroAirport Swiss
Wed 11/11
6:40 am-3:35 pm
1 stop16h 55m
$725
DenverBasel
DEN Denver Intl - BSL Basel EuroAirport Swiss
DENBSL
Denver Intl
Wed 11/18
6:00 am-4:05 pm
2 stops26h 05m
Basel EuroAirport Swiss
Thu 11/26
2:40 pm-10:35 am
2 stops27h 55m
$734
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Denver to Basel
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 Denver to Basel in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Basel flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Denver-Basel flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Denver-Basel flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Basel flights, Cheapflights users trust AranGrant the most. AranGrant 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 Denver-Basel 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 Denver to Basel
Have a flexible travel schedule? Discover the best time to fly to Basel from Denver with our price prediction graph.
DEN-EAP
DEN-BSL
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 Denver to Basel
DEN-EAP
DEN-BSL
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Basel
Get insights into the airlines that provide service to Basel. 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 Basel. Reviews last updated September 25, 2026.
Peruse reviews from past customers who have flown with United Airlines from Denver to Basel to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.4
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Crew
8.1
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.4
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Related info for your journey
Find useful and relevant information for your journey from Denver to Basel. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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